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Zhang Y, Zhong Z, Tang Z, Wang R, Wu J, Na N, Zhang J. Insomnia and sleep duration for kidney function: Mendelian randomization study. Ren Fail 2024; 46:2387430. [PMID: 39132818 PMCID: PMC11321106 DOI: 10.1080/0886022x.2024.2387430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 07/05/2024] [Accepted: 07/29/2024] [Indexed: 08/13/2024] Open
Abstract
OBJECTIVES Extensive researches highlight the detrimental impact of sleep disorders such as insomnia and insufficient sleep duration on kidney function. However, establishing a clear causal relationship between insomnia, sleep duration, and kidney function remains challenging. This study aims to estimate this relationship using Mendelian randomization (MR). METHODS Independent genetic variants strongly associated with insomnia (N = 462,341) and sleep duration (N = 460,099) were selected as instrumental variables from corresponding genome-wide association studies (GWAS). Kidney function parameters, including serum creatinine, estimated glomerular filtration rate by cystatin C (eGFRcys), acute renal failure (ARF), chronic renal failure (CRF), kidney injury molecule-1, neutrophil gelatinase associated lipocalin, microalbuminuria, cystatin C, and β2 microglobulin, were derived from GWAS databases. A two-sample MR study was conducted to assess the causal relationship between sleep disorders and kidney function, and multivariable MR was used to identify potential mediators. The inverse-variance weighted was used as the primary estimate. RESULTS MR analysis found robust evidence indicating that insomnia and short sleep duration were associated with an increased risk of elevated serum creatinine, regardless of adjusting for obesity. Causal links between sleep duration and eGFRcys or cystatin C were also identified. While genetically predicted insomnia and sleep duration were found to potentially impact ARF, CRF, microalbuminuria, and β2 microglobulin, the p-values in multivariable MR analysis became nonsignificant. No pleiotropy was detected. CONCLUSIONS This study demonstrates a causal impact of insomnia on the risk of elevated serum creatinine and a positive effect of sleep duration on serum creatinine, eGFRcys, and cystatin C. Our findings also suggest their potential indirect effects on ARF, CRF, microalbuminuria, and β2 microglobulin mediated by obesity.
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Affiliation(s)
- Yang Zhang
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Zhaozhong Zhong
- Department of Urology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s Hospital, Quzhou, Zhejiang, China
| | - Zuofu Tang
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ruojiao Wang
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jiaqing Wu
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ning Na
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Diabetology, Guangzhou, Guangdong, China
| | - Jinhua Zhang
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
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Zhao WJ, Tan RZ, Gao J, Su H, Wang L, Liu J. Research on the global trends of COVID-19 associated acute kidney injury: a bibliometric analysis. Ren Fail 2024; 46:2338484. [PMID: 38832469 PMCID: PMC11262241 DOI: 10.1080/0886022x.2024.2338484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 03/29/2024] [Indexed: 06/05/2024] Open
Abstract
Critically ill COVID-19 patients may exhibit various clinical symptoms of renal dysfunction including severe Acute Kidney Injury (AKI). Currently, there is a lack of bibliometric analyses on COVID-19-related AKI. The aim of this study is to provide an overview of the current research status and hot topics regarding COVID-19 AKI. The literature was retrieved from the Web of Science Core Collection (WoSCC) database. Subsequently, we utilized Microsoft Excel, VOSviewer, Citespace, and Pajek software to revealed the current research status, emerging topics, and developmental trends pertaining to COVID-19 AKI. This study encompassed a total of 1507 studies on COVID-19 AKI. The United States, China, and Italy emerged as the leading three countries in terms of publication numbers, contributing 498 (33.05%), 229 (15.20%), and 140 (9.29%) studies, respectively. The three most active and influential institutions include Huazhong University of Science and Technology, Wuhan University and Harvard Medical School. Ronco C from Italy, holds the record for the highest number of publications, with a total of 15 papers authored. Cheng YC's work from China has garnered the highest number of citations, totaling 470 citations. The co-occurrence analysis of author keywords reveals that 'mortality', 'intensive care units', 'chronic kidney disease', 'nephrology', 'renal transplantation', 'acute respiratory distress syndrome', and 'risk factors' emerge as the primary areas of focus within the realm of COVID-19 AKI. In summary, this study analyzes the research trends in the field of COVID-19 AKI, providing a reference for further exploration and research on COVID-19 AKI mechanisms and treatment.
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Affiliation(s)
- Wen-jing Zhao
- Department of Nephrology of the Affiliated Hospital of Traditional Chinese Medicine, Southwest Medical University
- Research Center of Intergated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Rui-zhi Tan
- Research Center of Intergated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Jing Gao
- Department of Nephrology of the Affiliated Hospital of Traditional Chinese Medicine, Southwest Medical University
- Research Center of Intergated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Hongwei Su
- Department of Urology, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Li Wang
- Research Center of Intergated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Jian Liu
- Department of Nephrology of the Affiliated Hospital of Traditional Chinese Medicine, Southwest Medical University
- Department of Nephrology of the Affiliated Hospital of Southwest Medical University
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Zhang W, Guo C, Li Y, Wang H, Wang H, Wang Y, Wu T, Wang H, Cheng G, Man J, Chen S, Fu S, Yang L. Mitophagy mediated by HIF-1α/FUNDC1 signaling in tubular cells protects against renal ischemia/reperfusion injury. Ren Fail 2024; 46:2332492. [PMID: 38584135 PMCID: PMC11000611 DOI: 10.1080/0886022x.2024.2332492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 03/14/2024] [Indexed: 04/09/2024] Open
Abstract
Acute kidney injury (AKI) is associated with a high mortality rate. Pathologically, renal ischemia/reperfusion injury (RIRI) is one of the primary causes of AKI, and hypoxia-inducible factor (HIF)-1α may play a defensive role in RIRI. This study assessed the role of hypoxia-inducible factor 1α (HIF-1α)-mediated mitophagy in protection against RIRI in vitro and in vivo. The human tubular cell line HK-2 was used to assess hypoxia/reoxygenation (H/R)-induced mitophagy through different in vitro assays, including western blotting, immunofluorescence staining, terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL), and reactive oxygen species (ROS) measurement. Additionally, a rat RIRI model was established for evaluation by renal histopathology, renal Doppler ultrasound, and transmission electron microscopy to confirm the in vitro data. The selective HIF-1α inhibitor LW6 reduced H/R-induced mitophagy but increased H/R-induced apoptosis and ROS production. Moreover, H/R treatment enhanced expression of the FUN14 domain-containing 1 (FUNDC1) protein. Additionally, FUNDC1 overexpression reversed the effects of LW6 on the altered expression of light chain 3 (LC3) BII and voltage-dependent anion channels as well as blocked the effects of HIF-1α inhibition in cells. Pretreatment of the rat RIRI model with roxadustat, a novel oral HIF-1α inhibitor, led to decreased renal injury and apoptosis in vivo. In conclusion, the HIF-1α/FUNDC1 signaling pathway mediates H/R-promoted renal tubular cell mitophagy, whereas inhibition of this signaling pathway protects cells from mitophagy, thus aggravating apoptosis, and ROS production. Accordingly, roxadustat may protect against RIRI-related AKI.
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Affiliation(s)
- Wenjun Zhang
- Department of Nephrology, Lanzhou University Affiliated Second Hospital, Lanzhou, China
- Gansu Provicne Clinical Research Center for Kidney Diseases, Lanzhou, China
| | - Chao Guo
- Scientific Research and Experimental Center, Gansu University of Chinese Medicine, Lanzhou, China
| | - Yi Li
- Department of Anesthesiology, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Hao Wang
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Huabing Wang
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Yingying Wang
- Department of Nephrology, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Tingting Wu
- Department of Functional Examination in Children, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Huinan Wang
- The Second Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Gang Cheng
- The Second Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Jiangwei Man
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Siyu Chen
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Shengjun Fu
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Li Yang
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
- Gansu Provicne Clinical Research Center for Urology, Lanzhou, China
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Peng Y, Wang Q, Jin F, Tao T, Qin Q. Assessment of urine CCL2 as a potential diagnostic biomarker for acute kidney injury and septic acute kidney injury in intensive care unit patients. Ren Fail 2024; 46:2313171. [PMID: 38345000 PMCID: PMC10863526 DOI: 10.1080/0886022x.2024.2313171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 01/27/2024] [Indexed: 02/15/2024] Open
Abstract
Acute kidney injury (AKI) is a prevalent and serious condition in the intensive care unit (ICU), associated with significant morbidity and mortality. Septic acute kidney injury (SAKI) contributes substantially to AKI cases in the ICU. However, current diagnostic methods have limitations, necessitating the exploration of novel biomarkers. In this study, we investigated the potential of plasma and urine CCL2 levels as diagnostic markers for AKI and SAKI in 216 ICU patients. Our findings revealed significant differences in plasma (p < 0.01) and urine CCL2 (p < 0.0001) levels between AKI and non-AKI patients in the ICU. Notably, urine CCL2 demonstrated promising predictive value for AKI, exhibiting high specificity and sensitivity (AUC = 0.8976; p < 0.0001). Furthermore, we observed higher urine CCL2 levels in SAKI compared to non-septic AKI (p < 0.001) and urine CCL2 could also differentiate SAKI from non-septic AKI (AUC = 0.7597; p < 0.0001). These results suggest that urine CCL2 levels hold promise as early biomarkers for AKI and SAKI, offering valuable insights for timely intervention and improved management of ICU patients.
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Affiliation(s)
- Yuan Peng
- Intensive Care Unit, The First People’s Hospital of Kunshan Affiliated to Jiangsu University, Kunshan, PR China
| | - Qin Wang
- Intensive Care Unit, The First People’s Hospital of Kunshan Affiliated to Jiangsu University, Kunshan, PR China
| | - Fang Jin
- Intensive Care Unit, The First People’s Hospital of Kunshan Affiliated to Jiangsu University, Kunshan, PR China
| | - Tao Tao
- Intensive Care Unit, The First People’s Hospital of Kunshan Affiliated to Jiangsu University, Kunshan, PR China
| | - Qihong Qin
- Department of Emergency, Suzhou Hospital Affiliated to Nanjing Medical University, Suzhou, PR China
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Chen L, Wang Q, Li T, Li L, Wang C, Xu B, Gong X. Exploring therapeutic mechanisms of Chuan Huang Fang-II in the treatment of acute kidney injury on chronic kidney disease patients from the perspective of lipidomics. Ren Fail 2024; 46:2356021. [PMID: 38785301 PMCID: PMC11132756 DOI: 10.1080/0886022x.2024.2356021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 05/12/2024] [Indexed: 05/25/2024] Open
Abstract
OBJECTIVE This study aims to assess the clinical efficacy and safety of CHF-II in combination with RG for treating AKI on CKD (A on C), and to explore potential therapeutic mechanisms through lipidomics analysis. METHODS 98 patients were enrolled and randomly assigned to the RG or RG + CHF groups. Both groups received RG therapy, with RG + CHF group additionally receiving CHF-II treatment over a duration of two weeks. Evaluation endpoints included changes in renal function, blood lipid profiles, urinary AKI biomarkers, and TCM symptoms before and after treatment. Serum samples were collected for lipid metabolite analysis. RESULTS The total clinical effective rate in RG + CHF group was 73.5%, and that of RG group was 40.8%. TCM syndrome scores in RG + CHF group showed a more pronounced decrease (p < 0.05). Scr, BUN, and UA levels decreased while eGFR levels increased in both groups (p < 0.05), with a greater magnitude of change observed in the RG + CHF group. Urinary AKI biomarkers decreased more in RG + CHF group (p < 0.05). No serious adverse events occurred during the trial. 58 different lipid metabolites and 48 lipid biomarkers were identified. According to the KEGG database, the possible metabolic pathways involved triglyceride metabolic pathway and fat digestion and absorption metabolic pathways. CONCLUSION CHF-II effectively alleviated kidney injury and improved TCM syndrome scores in patients with A on C. Lipid differential metabolites could serve as diagnostic indicators for AKI in patients with CKD. The possible metabolic pathways might be implicated in therapeutic action of CHF-II in the prevention and treatment of patients with A on C.
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Affiliation(s)
- Ling Chen
- Department of Nephrology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qian Wang
- Department of Nephrology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tonglu Li
- Department of Nephrology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lejia Li
- Department of Nephrology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chen Wang
- Department of Nephrology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Bing Xu
- Department of Nephrology, Minhang Branch of Yueyang Hospital of Integrative Chinese & Western Medicine Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xuezhong Gong
- Department of Nephrology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Jeong R, Haines R, Ostermann M. Outcomes after acute kidney injury and critical illness. Curr Opin Crit Care 2024; 30:502-509. [PMID: 39092636 DOI: 10.1097/mcc.0000000000001183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
PURPOSE OF REVIEW Acute kidney injury (AKI) in critical illness is common, and survivors are faced with a host of adverse outcomes. In this article, we review the current landscape of outcomes and care in survivors of AKI and critical illness. RECENT FINDINGS Follow-up care of survivors of AKI and critical illness is prudent to monitor for and mitigate the risk of adverse outcomes. Observational data have suggested improvement in outcomes with nephrology-based follow-up care, and recent interventional studies demonstrate similar findings. However, current post-AKI care is suboptimal with various challenges, such as breakdowns in the transition of care during hospital episodes and into the community, barriers for patients in follow-up, and lack of identification of high-risk patients for nephrology-based follow-up. Tools predictive of renal nonrecovery and long-term outcomes may help to identify high-risk patients who may benefit the most from nephrology-based care post-AKI. SUMMARY Follow-up care of survivors of AKI and critical illness may improve outcomes and there is a need to prioritize transitions of care into the community. Further research is needed to elucidate the best ways to risk-stratify and manage post-AKI survivors to improve outcomes.
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Affiliation(s)
- Rachel Jeong
- Division of Nephrology, Department of Medicine
- Department of Critical Care Medicine, University of Calgary, Calgary, AB, Canada
| | - Ryan Haines
- Department of Critical Care, King's College London, Guy's & St. Thomas' Hospital, King's College London, London, UK
| | - Marlies Ostermann
- Department of Critical Care, King's College London, Guy's & St. Thomas' Hospital, King's College London, London, UK
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Liu W, Du M, Zhang M, Dai X, Wang H, Le Y, Zhi S, Bo L, Quan J. Impact of propofol versus desflurane anesthesia on postoperative hepatic and renal functions in infants with living-related liver transplantation: a randomized controlled trial. BMC Med 2024; 22:397. [PMID: 39285414 PMCID: PMC11406785 DOI: 10.1186/s12916-024-03622-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Accepted: 09/09/2024] [Indexed: 09/19/2024] Open
Abstract
BACKGROUND The effects of anesthetics on liver and kidney functions after infantile living-related liver transplantation (LRLT) are unclear. This study aimed to investigate the effects of propofol-based total intravenous anesthesia (TIVA) or desflurane-based inhalation anesthesia on postoperative liver and kidney functions in infant recipients after LRLT and to evaluate hepatic ischemia-reperfusion injury (HIRI). METHODS Seventy-six infants with congenital biliary atresia scheduled for LRLT were randomly divided into two anesthesia maintenance groups: group D with continuous inhalation of desflurane and group P with an infusion of propofol. The primary focus was to assess alterations of liver transaminase and serum creatinine (Scr) levels within the first 7 days after surgery. And the peak aminotransferase level within 72 h post-surgery was used as a surrogate marker for HIRI. RESULTS There were no differences in preoperative hepatic and renal functions between the two groups. Upon the intensive care unit (ICU) arrival, the levels of aspartate aminotransferase (AST, P = 0.001) and alanine aminotransferase (ALT, P = 0.005) in group P were significantly lower than those in group D. These changes persisted until the fourth and sixth days after surgery. The peak AST and ALT levels within 72 h after surgery were also lower in group P than in group D (856 (552, 1221) vs. 1468 (732, 1969) U/L, P = 0.001 (95% CI: 161-777) and 517 (428, 704) vs. 730 (541, 1100) U/L, P = 0.006, (95% CI: 58-366), respectively). Patients in group P had lower levels of Scr upon the ICU arrival and on the first day after surgery, compared to group D (17.8 (15.2, 22.0) vs. 23.0 (20.8, 30.8) μmol/L, P < 0.001 (95% CI: 3.0-8.7) and 17.1 (14.9, 21.0) vs. 20.5 (16.5, 25.3) μmol/L, P = 0.02 (95% CI: 0.0-5.0) respectively). Moreover, the incidence of severe acute kidney injury was significantly lower in group P compared to that in group D (15.8% vs. 39.5%, P = 0.038). CONCLUSIONS Propofol-based TIVA might improve liver and kidney functions after LRLT in infants and reduce the incidence of serious complications, which may be related to the reduction of HIRI. However, further biomarkers will be necessary to prove these associations.
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Affiliation(s)
- Wei Liu
- Department of Anesthesiology, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, 136 Zhongshan Er Road, Yu Zhong District, Chongqing, 400014, P.R. China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Min Du
- Department of Anesthesiology, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, 136 Zhongshan Er Road, Yu Zhong District, Chongqing, 400014, P.R. China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Mingman Zhang
- Department of Hepatobiliary Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Xiaoke Dai
- Department of Hepatobiliary Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Haoming Wang
- Department of Hepatobiliary Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Ying Le
- Department of Hepatobiliary Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Shenshen Zhi
- Clinical Laboratory, Chongqing Emergency Medical Center, School of Medicine, Chongqing University Central Hospital, Chongqing University, Chongqing, China
| | - Lin Bo
- Department of Anesthesiology, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, 136 Zhongshan Er Road, Yu Zhong District, Chongqing, 400014, P.R. China.
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China.
| | - Junjun Quan
- Department of Anesthesiology, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, 136 Zhongshan Er Road, Yu Zhong District, Chongqing, 400014, P.R. China.
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China.
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Fraenkel Y, Bogot NR, Kuint RC, Ben-Shalom E, Benjaminov O, Bnaya A. Post-contrast acute kidney injury in the super-elder patients: a CT-scan perspective. Jpn J Radiol 2024:10.1007/s11604-024-01656-7. [PMID: 39264543 DOI: 10.1007/s11604-024-01656-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Accepted: 09/02/2024] [Indexed: 09/13/2024]
Abstract
INTRODUCTION The administration of intravenous (IV) contrast media during computed tomography (CT) examinations is essential to enhance diagnostic accuracy in various clinical scenarios. Traditionally, older age is considered a risk factor for the development of post-contrast Acute Kidney Injury (PC-AKI); however, there is limited information available for the super-elderly population (aged ≥ 85). This study aims to investigate the incidence and risk factors associated with PC-AKI in individuals aged 85 and older undergoing CT scans with IV contrast. METHODS A retrospective cohort study, including all hospitalized patients aged 85 or older who underwent CT scans between the years 2005 and 2021. Patients were categorized into IV contrast and non-IV contrast groups. Baseline demographic and clinical data, along with kidney function parameters, were collected. RESULTS The final cohort included 7,078 patients who underwent CT scans, with 40% receiving IV contrast. The overall AKI occurrence within 72 h post-CT was 5.72%, slightly elevated in the non-IV contrast group (6.25% vs. 4.94%, p = 0.02). However, multivariate analysis revealed no significant difference between the groups (OR 1, CI 0.8-1.2, p = 0.92), even after stratifying by kidney function. A secondary analysis, using a less strict AKI definition, supported these findings. Baseline creatinine levels emerged as prominent risk factor associated with PC- AKI. CONCLUSION The current study provides reassurance regarding the safety of contrast-enhanced CT scans in super-elderly patients, particularly those with baseline normal to mild kidney dysfunction. These findings may contribute to the ongoing discussion on the risk-benefit balance of contrast-enhanced CT scans in the super-elderly population.
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Affiliation(s)
| | - Naama R Bogot
- The Department of Radiology, Shaare Zedek Medical Center, Affiliated With the Hebrew University, Jerusalem, Israel
| | - Ruth Cytter Kuint
- The Department of Radiology, Shaare Zedek Medical Center, Affiliated With the Hebrew University, Jerusalem, Israel
| | - Efrat Ben-Shalom
- Division of Pediatric Nephrology, Shaare Zedek Medical Center, Affiliated With the Hebrew University, Jerusalem, Israel
| | - Ofer Benjaminov
- The Department of Radiology, Shaare Zedek Medical Center, Affiliated With the Hebrew University, Jerusalem, Israel
| | - Alon Bnaya
- Institute of Nephrology, Shaare Zedek Medical Center, Affiliated With the Hebrew University, Jerusalem, Israel.
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Li J, Li Y, Li X, Mo L, Zhang F, Cheng Y, Wang T. Characteristics of initiation timing and anticoagulation of continuous renal replacement therapy in patients following cardiac surgery: A retrospective analysis of 28 patients. Medicine (Baltimore) 2024; 103:e39466. [PMID: 39252232 PMCID: PMC11383458 DOI: 10.1097/md.0000000000039466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/11/2024] Open
Abstract
Continuous renal replacement therapy (CRRT) used in cardiac surgery-associated acute kidney injury (CSA-AKI) may have different characteristics from other diseases. We reviewed the medical records of patients with CSA-AKI requiring CRRT who underwent cardiac surgery from January 2020 to September 2021. Patients with AKI caused by other reasons who received CRRT during the same period were also evaluated. A total of 28 patients with CSA-AKI and 12 patients with AKI caused by other reasons were enrolled in this study. Compared with AKI patients caused by other reasons, patients with CSA-AKI were found to have lower mean arterial pressure, higher level of bilirubin, higher vasoactive-inotropic score, and larger daily diuretic dosage. The patients with CSA-AKI were prescribed CRRT earlier than the patients with AKI caused by other reasons. There was a significant difference in the CRRT anticoagulation method between patients with CSA-AKI and patients with AKI caused by other reasons. Six patients with CSA-AKI were treated with regional citrate anticoagulation (RCA), and the other 22 patients were treated with low molecular weight heparin or without anticoagulants. The timing of CRRT initiation in patients with CSA-AKI is earlier than that in patients with AKI caused by other reasons. Although RCA is recommended as the preferred anticoagulant for patients without contraindications, patients with CSA-AKI often have circulatory dysfunction and severe liver damage, so the risk of citrate accumulation is greater, whether to use RCA should be determined according to the individual condition of the patient.
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Affiliation(s)
- Jian Li
- Department of Nephrology, The General Hospital of Western Theater Command, Chengdu, Sichuan Province, China
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Minawala R, Kim M, Delau O, Ghiasian G, McKenney AS, Da Luz Moreira A, Chodosh J, McAdams-DeMarco M, Segev DL, Adhikari S, Dodson J, Shaukat A, Dane B, Faye AS. Sarcopenia Is a Risk Factor for Postoperative Complications Among Older Adults With Inflammatory Bowel Disease. Inflamm Bowel Dis 2024:izae187. [PMID: 39177976 DOI: 10.1093/ibd/izae187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Indexed: 08/24/2024]
Abstract
BACKGROUND Sarcopenia has been associated with adverse postoperative outcomes in older age cohorts, but has not been assessed in older adults with inflammatory bowel disease (IBD). Further, current assessments of sarcopenia among all aged individuals with IBD have used various measures of muscle mass as well as cutoffs to define its presence, leading to heterogeneous findings. METHODS In this single-institution, multihospital retrospective study, we identified all patients aged 60 years and older with IBD who underwent disease-related intestinal resection between 2012 and 2022. Skeletal Muscle Index (SMI) and Total Psoas Index (TPI) were measured at the superior L3 endplate on preoperative computed tomography scans and compared through receiver operating characteristic curve. We then performed multivariable logistic regression to assess risk factors associated with an adverse 30-day postoperative outcome. Our primary outcome included a 30-day composite of postoperative mortality and complications, including infection, bleeding, cardiac event, cerebrovascular accident, acute kidney injury, venous thromboembolism, reoperation, all-cause rehospitalization, and need for intensive care unit-level care. RESULTS A total of 120 individuals were included. Overall, 52% were female, 40% had ulcerative colitis, 60% had Crohn's disease, and median age at time of surgery was 70 years (interquartile range: 65-75). Forty percent of older adults had an adverse 30-day postoperative outcome, including infection (23%), readmission (17%), acute kidney injury (13%), bleeding (13%), intensive care unit admission (10%), cardiac event (8%), venous thromboembolism (7%), reoperation (6%), mortality (5%), and cerebrovascular accident (2%). When evaluating the predictive performance of SMI vs TPI for an adverse 30-day postoperative event, SMI had a significantly higher area under the curve of 0.66 (95% CI, 0.56-0.76) as compared to 0.58 (95% CI, 0.48-0.69) for TPI (P = .02). On multivariable logistic regression, prior IBD-related surgery (adjusted odds ratio [adjOR] 6.46, 95% CI, 1.85-22.51) and preoperative sepsis (adjOR 5.74, 95% CI, 1.36-24.17) significantly increased the odds of adverse postoperative outcomes, whereas increasing SMI was associated with a decreased risk of an adverse postoperative outcome (adjOR 0.88, 95% CI, 0.82-0.94). CONCLUSIONS Sarcopenia, as measured by SMI, is associated with an increased risk of postoperative complications among older adults with IBD. Measurement of SMI from preoperative imaging can help risk stratify older adults with IBD undergoing intestinal resection.
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Affiliation(s)
- Ria Minawala
- Department of Medicine, NYU School of Medicine, New York, NY, USA
| | - Michelle Kim
- Department of Medicine, NYU School of Medicine, New York, NY, USA
| | - Olivia Delau
- Inflammatory Bowel Disease Center, Division of Gastroenterology, Department of Medicine, NYU School of Medicine, New York, NY, USA
| | - Ghoncheh Ghiasian
- Inflammatory Bowel Disease Center, Division of Gastroenterology, Department of Medicine, NYU School of Medicine, New York, NY, USA
| | - Anna Sophia McKenney
- Department of Radiology, New York-Presbyterian Weill Cornell Medical College, New York, NY, USA
| | - Andre Da Luz Moreira
- Inflammatory Bowel Disease Center, Division of Gastroenterology, Department of Medicine, NYU School of Medicine, New York, NY, USA
| | - Joshua Chodosh
- Division of Geriatric Medicine and Palliative Care, Department of Medicine, NYU School of Medicine, New York, NY, USA
| | | | - Dorry L Segev
- Department of Surgery, NYU School of Medicine, New York, NY, USA
| | | | - John Dodson
- Division of Cardiology, Department of Medicine, NYU School of Medicine, New York, NY, USA
| | - Aasma Shaukat
- Inflammatory Bowel Disease Center, Division of Gastroenterology, Department of Medicine, NYU School of Medicine, New York, NY, USA
| | - Bari Dane
- Department of Radiology, NYU School of Medicine, New York, NY, USA
| | - Adam S Faye
- Inflammatory Bowel Disease Center, Division of Gastroenterology, Department of Medicine, NYU School of Medicine, New York, NY, USA
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11
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Heller A, Zerdzitzki M, Hegner P, Song Z, Schach C, Hitzenbichler F, Kozakov K, Thiedemann C, Provaznik Z, Schmid C, Li J. Clinical Characterization of Pathogens, Risk Factors and Quality of Life in an Observational Study of Native vs. Prosthetic Aortic Valve Endocarditis Surgery. Life (Basel) 2024; 14:1029. [PMID: 39202771 PMCID: PMC11355113 DOI: 10.3390/life14081029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 08/11/2024] [Accepted: 08/12/2024] [Indexed: 09/03/2024] Open
Abstract
Background: Native (NVE) and prosthetic (PVE) aortic valve endocarditis (AVE) remain a surgical challenge with an ongoing trend towards more complex surgical procedures. Methods: First-time NVE was compared with PVE, focusing on pathogens, risk factors, perioperative course, postoperative follow-up, including recurrent infection, as well as health-related quality of life (HRQOL). Results: From 2007 to 2022, surgical intervention for AVE was necessary in 231 patients with 233 episodes of infective aortic valve endocarditis, i.e., there were only two cases of reinfection (NVE group). The study group consisted of 130 cases with NVE and 103 with PVE. Overall, a median of 40.3% of survivors were in NYHA class I or II. In-hospital mortality was higher in the PVE group with 13.3%. The most common pathogen was Staphylococcus aureus, with 24.9% across both groups. EuroSCORE II was higher in the PVE group (19.0 ± 14.3% total, NVE 11.1 ± 8.1%, PVE 27.8 ± 14.6%; p < 0.05), reflecting an older, more co-morbid patient cohort. Abscess formation was also more common in the PVE group, while vegetations were more common in the NVE group. The 5-year and 10-year survival rates did not differ significantly between NVE and PVE and were 74.4% and 52.2% for the NVE group, respectively, and 67.4% and 52.9% for the PVE group, respectively. The HRQOL as assessed by the Minnesota Living with HF Questionnaire (MLHFQ) demonstrated no significant difference between both groups. Conclusions: Long-term survival and QoL after surgical treatment of infective aortic valve endocarditis are excellent and do not depend on the type of replacement.
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Affiliation(s)
- Anton Heller
- Department of Cardiothoracic Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany (K.K.); (Z.P.); (C.S.); (J.L.)
| | - Matthäus Zerdzitzki
- Department of Cardiothoracic Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany (K.K.); (Z.P.); (C.S.); (J.L.)
- Department of Vascular Surgery, University Medical Center Regensburg, 93053 Regensburg, Germany
| | - Philipp Hegner
- Department of Internal Medicine II—Cardiology, University Medical Center Regensburg, 93053 Regensburg, Germany; (P.H.); (C.S.)
| | - Zhiyang Song
- Institute of Mathematics, Ludwig-Maximilian University Munich, 80539 Munich, Germany
| | - Christian Schach
- Department of Internal Medicine II—Cardiology, University Medical Center Regensburg, 93053 Regensburg, Germany; (P.H.); (C.S.)
| | - Florian Hitzenbichler
- Department of Infectiology, University Medical Center Regensburg, 93053 Regensburg, Germany;
| | - Kostiantyn Kozakov
- Department of Cardiothoracic Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany (K.K.); (Z.P.); (C.S.); (J.L.)
| | - Claudius Thiedemann
- Department of Orthopedics and Trauma Surgery, University Medical Center Regensburg, 93053 Regensburg, Germany;
| | - Zdenek Provaznik
- Department of Cardiothoracic Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany (K.K.); (Z.P.); (C.S.); (J.L.)
| | - Christof Schmid
- Department of Cardiothoracic Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany (K.K.); (Z.P.); (C.S.); (J.L.)
| | - Jing Li
- Department of Cardiothoracic Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany (K.K.); (Z.P.); (C.S.); (J.L.)
- Department of Occupational Medicine, University Medical Center Regensburg, 93053 Regensburg, Germany
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12
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Braun CG, Neyra JA. Definition of Oliguria in the Intensive Care Unit: How Do You Do It? Clin J Am Soc Nephrol 2024; 19:01277230-990000000-00441. [PMID: 39120939 PMCID: PMC11390014 DOI: 10.2215/cjn.0000000000000545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2024]
Affiliation(s)
- Chloe G Braun
- Division of Pediatric Critical Care, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama
| | - Javier A Neyra
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
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13
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Medica D, Quercia AD, Marengo M, Fanelli V, Castellano G, Fabbrini P, Migliori M, Merlotti G, Camussi G, Joannes-Boyau O, Honorè PM, Cantaluppi V. High-volume hemofiltration does not protect human kidney endothelial and tubular epithelial cells from septic plasma-induced injury. Sci Rep 2024; 14:18323. [PMID: 39112634 PMCID: PMC11306637 DOI: 10.1038/s41598-024-69202-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 08/01/2024] [Indexed: 08/10/2024] Open
Abstract
High volume hemofiltration (HVHF) could remove from plasma inflammatory mediators involved in sepsis-associated acute kidney injury (SA-AKI). The IVOIRE trial did not show improvements of outcome and organ dysfunction using HVHF. The aim of this study was to evaluate in vitro the biological effects of plasma of patients treated by HVHF or standard volume hemofiltration (SVHF). We evaluated leukocyte adhesion, apoptosis and functional alterations of endothelial cells (EC) and tubular epithelial cells (TEC). In vitro data were correlated with plasma levels of TNF-α, Fas-Ligand (FasL), CD40-Ligand (CD40L), von Willebrand Factor (vWF) and endothelial-derived microparticles. An experimental model of in vitro hemofiltration using LPS-activated blood was established to assess cytokine mass adsorption during HVHF or SVHF. Plasma concentrations of TNF-ɑ, FasL, CD40L and von Willebrand Factor (vWF) were elevated at the start (d1h0) of both HVHF and SVHF, significantly decreased after 6 h (d1h6), remained stable after 12 h (d1h12) and then newly increased at 48 h (d3h0). Plasma levels of all these molecules were similar between HVHF- and SVHF-treated patients at all time points considered. In addition, the levels of endothelial microparticles remained always elevated, suggesting the presence of a persistent microvascular injury. Plasma from septic patients induced leukocyte adhesion on EC and TEC through up-regulation of adhesion receptors. Moreover, on EC, septic plasma induced a cytotoxic and anti-angiogenic effect. On TEC, septic plasma exerted a direct pro-apoptotic effect via Fas up-regulation and caspase activation, loss of polarity, altered expression of megalin and tight junction molecules with an impaired ability to internalize albumin. The inhibition of plasma-induced cell injury was concomitant to the decrease of TNF-α, Fas-Ligand and CD40-Ligand levels. The protective effect of both HVHF and SVHF was time-limited, since a further increase of circulating mediators and plasma-induced cell injury was observed after 48 h (d3h0). No significant difference of EC/TEC damage were observed using HVHF- or SVHF-treated plasma. The in vitro hemofiltration model confirmed the absence of a significant modulation of cytokine adsorption between HVHF and SVHF. In comparison to SVHF, HVHF did not increase inflammatory cytokine clearance and did not reverse the detrimental effects of septic plasma-induced EC and TEC injury. Further studies using adsorptive membranes are needed to evaluate the potential role of high dose convective therapies in the limitation of the harmful activity of plasma soluble factors involved in SA-AKI.Trial registration IVOIRE randomized clinical trial; ClinicalTrials.gov (NCT00241228) (18/10/2005).
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Affiliation(s)
- Davide Medica
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine (DIMET), University of Piemonte Orientale (UPO), "Maggiore Della Carità" University Hospital, via Gen. P. Solaroli 17, 28100, Novara, Italy
| | | | | | - Vito Fanelli
- Anesthesiology and Intensive Care Unit, University of Torino, AOU Città della Salute e della Scienza, Torino, Italy
| | - Giuseppe Castellano
- Nephrology, Dialysis and Kidney Transplantation Unit, University of Milano, Milano, Italy
| | - Paolo Fabbrini
- Nephrology and Dialysis Unit, "Bassini" Hospital, ASST Nord Milano, Cinisello Balsamo, MI, Italy
| | - Massimiliano Migliori
- Nephrology and Dialysis Unit, Versilia Hospital, USL Toscana Nordovest, Camaiore, LU, Italy
| | - Guido Merlotti
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine (DIMET), University of Piemonte Orientale (UPO), "Maggiore Della Carità" University Hospital, via Gen. P. Solaroli 17, 28100, Novara, Italy
| | - Giovanni Camussi
- Department of Medical Sciences, University of Torino, Torino, Italy
| | - Olivier Joannes-Boyau
- Anesthesiology and Critical Care Department, University of Bordeaux 2, University Hospital of Bordeaux, Bordeaux, France
| | - Patrick M Honorè
- ICU Department, Louvain Medical School of Medicine, CHU UCL Namur Mont-Godinne, Campus Mont Godinne, Namur, Belgium
| | - Vincenzo Cantaluppi
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine (DIMET), University of Piemonte Orientale (UPO), "Maggiore Della Carità" University Hospital, via Gen. P. Solaroli 17, 28100, Novara, Italy.
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14
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Zhang C, Zhang Y, Liu D, Mei M, Song N, Zhuang Q, Jiang Y, Guo Y, Liu G, Li X, Ren L. Dexmedetomidine mitigates acute kidney injury after coronary artery bypass grafting: a prospective clinical trial. REVISTA ESPANOLA DE CARDIOLOGIA (ENGLISH ED.) 2024; 77:645-655. [PMID: 38423177 DOI: 10.1016/j.rec.2024.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 02/12/2024] [Indexed: 03/02/2024]
Abstract
INTRODUCTION AND OBJECTIVES To evaluate the impact of dexmedetomidine impact on cardiac surgery-associated acute kidney injury (CSA-AKI), kidney function, and metabolic and oxidative stress in patients undergoing coronary artery bypass grafting with heart-lung machine support. METHODS A randomized double-masked trial with 238 participants (50-75 years) undergoing coronary artery bypass grafting was conducted from January 2021 to December 2022. The participants were divided into Dex (n=119) and NS (n = 119) groups. Dex was administered at 0.5 mcg/kg over 10minutes, then 0.4 mcg/kg/h until the end of surgery; the NS group received equivalent saline. Blood and urine were sampled at various time points pre- and postsurgery. The primary outcome measure was the incidence of CSA-AKI, defined as the occurrence of AKI within 96hours after surgery. RESULTS The incidence of CSA-AKI was significantly lower in the Dex group than in the NS group (18.26% vs 32.46%; P=.014). Substantial increases were found in estimated glomerular filtration rate value at T4-T6 (P<.05) and urine volume 24hours after surgery (P<.01). Marked decreases were found in serum creatinine level, blood glucose level at T1-T2 (P<.01), blood urea nitrogen level at T3-T6 (P<.01), free fatty acid level at T2-T3 (P<.01), and lactate level at T3-T4 (P<.01). CONCLUSIONS Dex reduces CSA-AKI, potentially by regulating metabolic disorders and reducing oxidative stress. Registered with the Chinese Clinical Study Registry (No. ChiCTR2100051804).
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Affiliation(s)
- Congli Zhang
- Department of Anesthesiology, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Yang Zhang
- Department of Anesthesiology, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Di Liu
- Department of Anesthesiology, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Mei Mei
- Department of Anesthesiology, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Nannan Song
- Department of Anesthesiology, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Qin Zhuang
- Department of Anesthesiology, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Yiyao Jiang
- Department of Cardiac Surgery, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Yuanyuan Guo
- Department of Urology, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Gang Liu
- Department of Anesthesiology, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Xiaohong Li
- Department of Anesthesiology, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China.
| | - Li Ren
- School of Laboratory Medicine, Bengbu Medical University, Bengbu, Anhui, China.
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15
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Parapiboon W, Tatiyanupanwong S, Khositrangsikun K, Phulkerd T, Kaewdoungtien P, Pichitporn W, Lumlertgul N, Peerapornratana S, Chen F, Srisawat N. Lower-Dosage Acute Peritoneal Dialysis versus Acute Intermittent Hemodialysis in Acute Kidney Injury: A Randomized Controlled Trial. Clin J Am Soc Nephrol 2024; 19:970-977. [PMID: 38809614 PMCID: PMC11321733 DOI: 10.2215/cjn.0000000000000482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 05/22/2024] [Indexed: 05/31/2024]
Abstract
Key Points The efficacy of acute peritoneal dialysis is still controversial. There was no significant difference in 28-day mortality between acute peritoneal dialysis and intermittent hemodialysis. Background Lower delivered dose of acute peritoneal dialysis (PD) in AKI requires less resources but raises concerns regarding adequate solute and water clearance. The relative merits of lower-dose PD versus intermittent hemodialysis remain uncertain. Methods A multicenter randomized controlled trial compared the outcomes between acute lower-dosage PD (18–24 L per day) and intermittent hemodialysis (three times per week) from May 2018 to January 2021 in patients with AKI. The primary outcome was 28-day mortality rate. Secondary outcomes included 28-day dialysis-free survival and kidney recovery, metabolic profile, and procedure-related complications. Noninferiority of PD to hemodialysis would be demonstrated if the upper bound of the 95% confidence interval ( CI) on risk difference (PD-hemodialysis) in 28-day mortality rates between the two groups was <20%. Results We included 157 patients (80 allocated to PD and 77 to intermittent hemodialysis). Before KRT initiation, baseline clinical characteristics between groups were comparable. The overall mean age was 57±15 years. The most frequent cause of AKI was sepsis (68%). There was no difference in 28-day mortality between acute PD and intermittent hemodialysis (50% versus 49%, risk difference 0.6 [95% CI, −15.0 to 16.3]), and 28-day dialysis-free survival (42% versus 37%, risk difference 4.6 [95% CI, −11.1 to 20.3]). Mean weekly Kt/V urea was 2.11±1.14 and 2.55±1.11 in the PD and intermittent hemodialysis groups, respectively. The 7-day fluid balance of PD and intermittent hemodialysis patients was not significantly different. There was more frequent intradialytic hypotension in the intermittent hemodialysis group and more frequent hypokalemia in the PD group. Conclusions In this study of patients with AKI, there was no significant difference in 28-day mortality between acute PD and intermittent hemodialysis.
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Affiliation(s)
| | | | | | | | | | | | - Nuttha Lumlertgul
- Division of Nephrology, Department of Medicine, Faculty of Medicine, and Center of Excellence in Critical Care Nephrology, Chulalongkorn University, Bangkok, Thailand
- Excellence Center for Critical Care Nephrology, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Sadudee Peerapornratana
- Division of Nephrology, Department of Medicine, Faculty of Medicine, and Center of Excellence in Critical Care Nephrology, Chulalongkorn University, Bangkok, Thailand
- Excellence Center for Critical Care Nephrology, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
- Department of Laboratory Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Fangyue Chen
- Thailand Public Health Research Fellowship, Health Education England, United Kingdom and School of Public Health, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Nattachai Srisawat
- Division of Nephrology, Department of Medicine, Faculty of Medicine, and Center of Excellence in Critical Care Nephrology, Chulalongkorn University, Bangkok, Thailand
- Excellence Center for Critical Care Nephrology, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
- Thailand Public Health Research Fellowship, Health Education England, United Kingdom and School of Public Health, Faculty of Medicine, Imperial College London, London, United Kingdom
- Academy of Science, Royal Society of Thailand, Bangkok, Thailand
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16
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Kellum JA, Bagshaw SM, Demirjian S, Forni L, Joannidis M, Kampf JP, Koyner JL, Kwan T, McPherson P, Ostermann M, Prowle J, Ronco C, de la Salle J, Schneider A, Tolwani A, Zarbock A. CCL14 testing to guide clinical practice in patients with AKI: Results from an international expert panel. J Crit Care 2024; 82:154816. [PMID: 38678981 DOI: 10.1016/j.jcrc.2024.154816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/12/2024] [Accepted: 04/22/2024] [Indexed: 05/01/2024]
Abstract
PURPOSE Urinary C-C motif chemokine ligand 14 (CCL14) is a strong predictor of persistent stage 3 acute kidney injury (AKI). Multiple clinical actions are recommended for AKI but how these are applied in individual patients and how the CCL14 test results may impact their application is unknown. METHODS We assembled an international panel of 12 experts and conducted a modified Delphi process to evaluate patients at risk for persistent stage 3 AKI (lasting 72 hours or longer). Using a Likert scale, we rated 11 clinical actions based on international guidelines applied to each case before and after CCL14 testing and analyzed the association between the strength and direction of recommendations and CCL14 results. RESULTS The strength and direction of clinical recommendations were strongly influenced by CCL14 results (P < 0.001 for the interaction). Nine (82%) recommendations for clinical actions were significantly impacted by CCL14 results (P < 0.001 comparing low to highest CCL14 risk category). CONCLUSIONS Most recommendations for care of patients with stage 2-3 by an international panel of experts were strongly modified by CCL14 test results. This work should set the stage for clinical practice protocols and studies to determine the effects of recommended actions informed by CCL14.
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Affiliation(s)
- John A Kellum
- The Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Sean M Bagshaw
- Department of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta, and Alberta Health Services, Edmonton, Alberta, Canada
| | - Sevag Demirjian
- Department of Kidney Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Lui Forni
- Department of Intensive Care, Royal Surrey Hospital, Guildford and Department of Clinical & Experimental Medicine, Faculty of Health Sciences, University of Surrey, UK
| | - Michael Joannidis
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria
| | - J Patrick Kampf
- Astute Medical, Inc. (A bioMérieux Company), 3550 General Atomics Ct., San Diego, CA 92121, USA
| | - Jay L Koyner
- Section of Nephrology, Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Thomas Kwan
- Astute Medical, Inc. (A bioMérieux Company), 3550 General Atomics Ct., San Diego, CA 92121, USA
| | - Paul McPherson
- Astute Medical, Inc. (A bioMérieux Company), 3550 General Atomics Ct., San Diego, CA 92121, USA
| | | | - John Prowle
- Critical Care and Perioperative Medicine Research Group, William Harvey Research Institute, Queen Mary University of London, London, UK
| | - Claudio Ronco
- Department of Nephrology, Dialysis and transplantation, San Bortolo Hospital, International Renal Research Institute of Vicenza, Vicenza, Italy
| | | | - Antoine Schneider
- Adult Intensive Care Unit, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - Ashita Tolwani
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Alexander Zarbock
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Munster, Munster, Germany
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17
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Liu M, Fan Z, Gao Y, Mubonanyikuzo V, Wu R, Li W, Xu N, Liu K, Zhou L. A two-tier feature selection method for predicting mortality risk in ICU patients with acute kidney injury. Sci Rep 2024; 14:16794. [PMID: 39039115 PMCID: PMC11263702 DOI: 10.1038/s41598-024-63793-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 06/03/2024] [Indexed: 07/24/2024] Open
Abstract
Acute kidney injury (AKI) is one of the most important lethal factors for patients admitted to intensive care units (ICUs), and timely high-risk prognostic assessment and intervention are essential to improving patient prognosis. In this study, a stacking model using the MIMIC-III dataset with a two-tier feature selection approach was developed to predict the risk of in-hospital mortality in ICU patients admitted for AKI. External validation was performed using separate MIMIC-IV and eICU-CRD. The area under the curve (AUC) was calculated using the stacking model, and features were selected using the Boruta and XGBoost feature selection methods. This study compares the performance of a stacking model using two-tier feature selection with a model using single-tier feature selection (XGBoost: 85; Boruta: 83; two-tier: 0.91). The predictive effectiveness of the stacking model was further validated by using different datasets (Validation 1: 0.83; Validation 2: 0.85) and comparing it with a simpler model and traditional clinical scores (SOFA: 0.65; APACH IV: 0.61). In addition, this study combined interpretable techniques and causal inference to analyze the causal relationship between features and predicted outcomes.
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Affiliation(s)
- Mengqing Liu
- College of Health Science and Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Zhiping Fan
- Shanghai University of Medicine & Health Sciences, Shanghai, 201318, China
| | - Yu Gao
- Shanghai University of Medicine & Health Sciences, Shanghai, 201318, China
| | - Vivens Mubonanyikuzo
- College of Health Science and Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Ruiqian Wu
- College of Health Science and Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Wenjin Li
- College of Health Science and Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Naiyue Xu
- College of Health Science and Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Kun Liu
- College of Health Science and Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Liang Zhou
- Jiading District Central Hospital Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai, 201899, China.
- Research Center for Medical Intelligent Development, China Hospital Development Institute, Shanghai Jiao Tong University, Shanghai, 200025, China.
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Kallur AS, Armijo-Alba J, Russell JL, Sallam T, Bien-Aime F, Sanghavi KK, Garg M, Khan N, Bakri MH, Zaghlol L, Khan I, El-Akawi S, Llama A, Sawalha Y, Trivedi S, Alassar A, Zaaqoq AM. The impact of acute kidney injury stages on the outcomes of veno-arterial extracorporeal membrane oxygenation. Artif Organs 2024; 48:763-770. [PMID: 38234162 DOI: 10.1111/aor.14714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 12/14/2023] [Accepted: 01/03/2024] [Indexed: 01/19/2024]
Abstract
BACKGROUND Although acute kidney injury (AKI) has been established as an independent risk factor for in-hospital mortality for patients on veno-arterial (V-A) extracorporeal membranous oxygenation (ECMO), the impact of Kidney Disease Improving Global Outcomes (KDIGO) stages of AKI has yet to be elucidated as a risk factor. METHODS We conducted a retrospective analysis of patient outcomes based on KDIGO stages of AKI at a single institution. The analysis was a cohort of 179 patients; 66 without AKI, 19 with stage 1 AKI, 18 with stage 2 AKI, and 76 with stage 3 AKI. RESULTS Every 1-year increase in age was associated with 4% increased odds of mortality at 30 days (95% confidence interval [CI] 1.01, 1.07; p = 0.004). The presence of AKI at any stage was associated with 59% increased odds of 30-day mortality (95% CI 0.81, 3.10; p = 0.176). The presence of stage 1 AKI was associated with a 5% decreased odds of 30-day mortality (95% CI 0.32, 2.89). The presence of stage 2 AKI (odds ratio [OR] 2.29, 95% CI 0.69, 7.55; p = 0.173) and stage 3 AKI (OR 1.68, 95% CI 0.81, 3.46; p = 0.164) was associated with increased odds of 30-day mortality. CONCLUSION Based on our single-center study, higher KDIGO stages of AKI likely have increased odds of mortality at 30 days. Larger studies are needed to confirm these findings.
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Affiliation(s)
- Akhil S Kallur
- Department of Internal Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Julian Armijo-Alba
- Department of Internal Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Jacqueline L Russell
- Department of General Surgery, MedStar Georgetown University Hospital, Washington, DC, USA
| | - Tariq Sallam
- Division of Pulmonary, Critical Care and Sleep Medicine, Brown University, Providence, Rhode Island, USA
| | - Fred Bien-Aime
- Department of Internal Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | | | - Mohil Garg
- Department of Internal Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Naveera Khan
- Department of Internal Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Mouaz Haj Bakri
- Division of Hospital Medicine, Shands Hospital, University of Florida, Gainesville, Florida, USA
| | - Louay Zaghlol
- Department of Internal Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Imran Khan
- Department of Internal Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Shadi El-Akawi
- Department of Internal Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Adrian Llama
- Department of Internal Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Yazan Sawalha
- Department of Medicine, MedStar St. Mary's Hospital, Leonardtown, Maryland, USA
| | - Suraj Trivedi
- Critical Care Medicine, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Aiman Alassar
- Department of Cardiac Surgery, MedStar Washington Hospital Center, Georgetown University, Washington, DC, USA
| | - Akram M Zaaqoq
- Department of Anesthesiology, Division of Critical Care, University of Virginia, Charlottesville, Virginia, USA
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Nadim MK, Kellum JA, Forni L, Francoz C, Asrani SK, Ostermann M, Allegretti AS, Neyra JA, Olson JC, Piano S, VanWagner LB, Verna EC, Akcan-Arikan A, Angeli P, Belcher JM, Biggins SW, Deep A, Garcia-Tsao G, Genyk YS, Gines P, Kamath PS, Kane-Gill SL, Kaushik M, Lumlertgul N, Macedo E, Maiwall R, Marciano S, Pichler RH, Ronco C, Tandon P, Velez JCQ, Mehta RL, Durand F. Acute kidney injury in patients with cirrhosis: Acute Disease Quality Initiative (ADQI) and International Club of Ascites (ICA) joint multidisciplinary consensus meeting. J Hepatol 2024; 81:163-183. [PMID: 38527522 PMCID: PMC11193657 DOI: 10.1016/j.jhep.2024.03.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/28/2024] [Accepted: 03/07/2024] [Indexed: 03/27/2024]
Abstract
Patients with cirrhosis are prone to developing acute kidney injury (AKI), a complication associated with a markedly increased in-hospital morbidity and mortality, along with a risk of progression to chronic kidney disease. Whereas patients with cirrhosis are at increased risk of developing any phenotype of AKI, hepatorenal syndrome (HRS), a specific form of AKI (HRS-AKI) in patients with advanced cirrhosis and ascites, carries an especially high mortality risk. Early recognition of HRS-AKI is crucial since administration of splanchnic vasoconstrictors may reverse the AKI and serve as a bridge to liver transplantation, the only curative option. In 2023, a joint meeting of the International Club of Ascites (ICA) and the Acute Disease Quality Initiative (ADQI) was convened to develop new diagnostic criteria for HRS-AKI, to provide graded recommendations for the work-up, management and post-discharge follow-up of patients with cirrhosis and AKI, and to highlight priorities for further research.
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Affiliation(s)
- Mitra K Nadim
- Division of Nephrology and Hypertension, Keck School of Medicine, University of Southern California, Los Angeles, USA
| | - John A Kellum
- Center for Critical Care Nephrology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Lui Forni
- School of Medicine, University of Surrey and Critical Care Unit, Royal Surrey Hospital Guildford UK
| | - Claire Francoz
- Hepatology & Liver Intensive Care, Hospital Beaujon, Clichy, Paris, France
| | | | - Marlies Ostermann
- King's College London, Guy's & St Thomas' Hospital, Department of Critical Care, London, UK
| | - Andrew S Allegretti
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Javier A Neyra
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jody C Olson
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
| | - Salvatore Piano
- Unit of Internal Medicine and Hepatology, Department of Medicine - DIMED, University and Hospital of Padova, Padova, Italy
| | - Lisa B VanWagner
- Division of Digestive and Liver Diseases, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Elizabeth C Verna
- Division of Digestive and Liver Diseases, Columbia University, New York, NY, USA
| | - Ayse Akcan-Arikan
- Department of Pediatrics, Divisions of Critical Care Medicine and Nephrology, Baylor College of Medicine, Houston, TX, USA
| | - Paolo Angeli
- Unit of Internal Medicine and Hepatology, University and Teaching Hospital of Padua, Italy
| | - Justin M Belcher
- Section of Nephrology, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA; VA Connecticut Healthcare System, West Haven, CT, USA
| | - Scott W Biggins
- Division of Gastroenterology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Akash Deep
- Pediatric Intensive Care Unit, King's College Hospital, London, UK
| | - Guadalupe Garcia-Tsao
- Digestive Diseases Section, Yale University School of Medicine, New Haven, CT, USA; VA Connecticut Healthcare System, West Haven, CT, USA
| | - Yuri S Genyk
- Division of Abdominal Organ Transplantation and Hepatobiliary Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA; Division of Abdominal Organ Transplantation at Children's Hospital of Los Angeles, Los Angeles, CA, USA
| | - Pere Gines
- Liver Unit, Hospital Clínic de Barcelona, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi-Sunyer and Ciber de Enfermedades Hepàticas y Digestivas, Barcelona, Catalonia, Spain
| | - Patrick S Kamath
- Division of Gastroenterology and Hepatology Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Sandra L Kane-Gill
- Department of Pharmacy and Therapeutics, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Manish Kaushik
- Department of Renal Medicine, Singapore General Hospital, Singapore
| | - Nuttha Lumlertgul
- Excellence Centre in Critical Care Nephrology and Division of Nephrology, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Etienne Macedo
- Division of Nephrology, Department of Medicine, University of California San Diego, CA, USA
| | - Rakhi Maiwall
- Department of Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | | | - Raimund H Pichler
- Division of Nephrology, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Claudio Ronco
- International Renal Research Institute of Vicenza, Department of Nephrology, Dialysis and Transplantation, San Bortolo Hospital, Vicenza-Italy
| | - Puneeta Tandon
- Division of Gastroenterology (Liver Unit), University of Alberta, Edmonton, Alberta, Canada
| | - Juan-Carlos Q Velez
- Department of Nephrology, Ochsner Health, New Orleans, LA, USA; Ochsner Clinical School, The University of Queensland, Brisbane, QLD, Australia
| | - Ravindra L Mehta
- Division of Nephrology-Hypertension, Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - François Durand
- Hepatology & Liver Intensive Care, Hospital Beaujon, Clichy, Paris, France; University Paris Cité, Paris, France.
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20
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Li Q, Li G, Li D, Chen Y, Zhou F. Early and minimal changes in serum creatinine can predict prognosis in elderly patients receiving invasive mechanical ventilation: A retrospective observational study. JOURNAL OF INTENSIVE MEDICINE 2024; 4:368-375. [PMID: 39035610 PMCID: PMC11258507 DOI: 10.1016/j.jointm.2023.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/09/2023] [Accepted: 10/24/2023] [Indexed: 07/23/2024]
Abstract
Background Emerging evidence suggests that minimal acute kidney injury (stage 1 AKI) is associated with increased hospital mortality rates. However, for those who do not meet the AKI diagnostic criteria, whether a small increase in serum creatinine (SCr) levels is associated with an increased mortality rate in elderly patients is not known. Therefore, we aimed to investigate small elevations in SCr of <26.5 µmol/L within 48 h after invasive mechanical ventilation (MV) on the short-term mortality of critically ill patients in the geriatric population. Methods We conducted a retrospective, observational, multicenter cohort study enrolling consecutive elderly patients (≥75 years) who received invasive MV from January 2008 to December 2020. Recursive partitioning was used to calculate the ratio of SCr rise from baseline within 48 h after MV and divided into six groups, (1) <10%, (2) 10%-<20%, (3) 20%-<30%, (4) 30%-<40%, (5) 40%-<50%, and (6) ≥50%, where the reference interval was defined as the ratio <10% based on an analysis, which confirmed that the lowest mortality risk was found in this range. Clinical data and laboratory data were noted. Their general conditions and clinical characteristics were compared between the six groups. Prognostic survival factors were identified using Cox regression analysis. Kaplan-Meier survival analysis was employed for the accumulative survival rate. Results A total of 1292 patients (1171 men) with a median age of 89 (interquartile range: 85-92) with MV were suitable for further analysis. In all, 376 patients had any stage of early AKI, and 916 patients had no AKI. Among 916 non-AKI patients, 349 patients were in the ratio <10%, 291 in the 10%-<20% group, 169 in the 20%-<30% group, 68 in the 30%-<40% group, 25 in the 40%-<50% group, and 14 in the ≥50% group. The 28-day mortality rates in the six groups from the lowest (<10%) to the highest (≥50%) were 8.0%, 16.8%, 28.4%, 54.4%, 80.0%, and 85.7%, respectively. In the multivariable-adjusted analysis, patients with a ratio of 10%-<20% (hazard ratio [HR]=2.244; 95% confidence interval [CI]: 1.410 to 3.572; P=0.001), 20%-<30% (HR=3.822; 95% CI: 2.433 to 6.194; P <0.001), 30%-<40% (HR=10.472; 95% CI: 6.379 to 17.190; P <0.001), 40%-<50% (HR=13.887; 95% CI: 7.624 to 25.292; P <0.001), and ≥50% (HR=13.618; 95% CI: 6.832 to 27.144; P <0.001) had relatively higher 28-day mortality rates. The 90-day mortality rates in the six strata were 30.1%, 35.1%, 45.0%, 60.3%, 80.0%, and 85.7%, respectively. Significant interactions were also observed between the ratio and 90-day mortality: patients with a ratio of 10%-<20% (HR=1.322; 95% CI: 1.006 to 1.738; P=0.045), 20%-<30% (HR=1.823; 95% CI: 1.356 to 2.452; P <0.001), 30%-<40% (HR=3.751; 95% CI: 2.601 to 5.410; P <0.001), 40%-<50% (HR=5.735; 95% CI: 3.447 to 9.541; P <0.001), and ≥50% (HR=6.305; 95% CI: 3.430 to 11.588; P <0.001) had relatively higher 90-day mortality rates. Conclusions Our study suggests that a ≥ 10% SCr rise from baseline within 48 h after MV was independently associated with short-term all-cause mortality in mechanically ventilated elderly patients.
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Affiliation(s)
- Qinglin Li
- Department of Critical Care Medicine, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Guanggang Li
- Department of Critical Care Medicine, The Seventh Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Dawei Li
- Department of Critical Care Medicine, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yan Chen
- Department of Anesthesiology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Feihu Zhou
- Department of Critical Care Medicine, The First Medical Center, Chinese PLA General Hospital, Beijing, China
- Medical Engineering Laboratory of Chinese PLA General Hospital, Beijing, China
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21
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Villa G, Samoni S, Muzzi M, Fabbri S, Husain-Syed F, Tofani L, Allinovi M, Paparella L, Spatafora P, Di Costanzo R, Ricci Z, Serni S, Romagnoli S. Doppler-Derived Renal Functional Reserve in the Prediction of Postoperative Acute Kidney Injury in Patients Undergoing Robotic Surgery. Anesth Analg 2024; 139:211-219. [PMID: 38885478 PMCID: PMC11155286 DOI: 10.1213/ane.0000000000006967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/02/2024] [Indexed: 06/20/2024]
Abstract
BACKGROUND Postoperative acute kidney injury (PO-AKI) is a frequent complication after surgery. Various tools have been proposed to identify patients at high risk for AKI, including preoperative serum creatinine or estimated glomerular filtration rate (eGFR), urinary cell cycle arrest, and tubular damage biomarkers; however, none of these can appropriately assess AKI risk before surgery. Renal functional reserve (RFR) screened by the Doppler-derived intraparenchymal renal resistive index variation (IRRIV) test has been proposed to identify patients at risk for AKI before a kidney insult. IRRIV test has been developed in healthy individuals and previously investigated in cardiac surgery patients. This study aims to evaluate the value of the IRRIV test in identifying PO-AKI among patients undergoing robotic abdominal surgery in the Trendelenburg position for pelvic oncological disease. METHODS We performed a prospective, double-blinded, observational study. Preoperative baseline renal function and RFR were assessed in 53 patients with baseline eGFR >60 mL/min/1.73 m2, undergoing robotic surgery in the Trendelenburg position for pelvic oncological disease. The capability of Doppler-derived RFR in predicting PO-AKI was investigated with the area under the receiver operating characteristic curve (ROC-AUC). RESULTS Approximately 15.1% of patients developed AKI within the first 3 postoperative days. Thirty-one (58.5%) patients had a physiologic delta-RRI (ie, ≥0.05), while 22 (41.5%) patients did not. The ROC-AUC for PO-AKI was 0.85 (95% confidence interval [CI], 0.74-0.97; P = .007) for serum creatinine, 0.84 (95% CI, 0.71-0.96; P = .006) for eGFR, and 0.84 (95% CI, 0.78-0.91; P = .017) for delta-RRI. When combined with eGFR, the ROC-AUC for delta-RRI was 0.95 (95% CI, 0.9-1). CONCLUSIONS Our findings show that the preoperative assessment of Doppler-derived RFR combined with baseline renal function improves the capability of identifying patients at high risk for PO-AKI with eGFR >60 mL/min/1.73 m2 after robotic abdominal surgery in Trendelenburg position for pelvic oncological disease.
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Affiliation(s)
- Gianluca Villa
- From the Department of Health Sciences, Section of Anesthesiology, and Intensive Care, University of Florence, Florence, Italy
- Department of Anesthesia and Intensive Care, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Sara Samoni
- Unit of Nephrology, Dialysis and Renal Transplant, Medical Department, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Mirko Muzzi
- From the Department of Health Sciences, Section of Anesthesiology, and Intensive Care, University of Florence, Florence, Italy
| | - Sergio Fabbri
- From the Department of Health Sciences, Section of Anesthesiology, and Intensive Care, University of Florence, Florence, Italy
| | - Faeq Husain-Syed
- Department of Internal Medicine II, Division of Nephrology, University Hospital Giessen and Marburg, Justus-Liebig-University Giessen, Giessen, Germany
| | - Lorenzo Tofani
- Department of statistics, informatics, applications, University of Florence, Florence, Italy
| | - Marco Allinovi
- Unit of Nephrology, Dialysis and Transplantation, Geriatric Department, Careggi Hospital, University of Florence, Florence, Italy
| | - Laura Paparella
- Department of Anesthesia and Intensive Care, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Pietro Spatafora
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
- Unit of Urological Minimally, Invasive Robotic Surgery and Renal Transplantation, Department of Oncology and Robotic Surgery, Careggi Hospital, University of Florence, Florence, Italy
| | - Roberto Di Costanzo
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Zaccaria Ricci
- From the Department of Health Sciences, Section of Anesthesiology, and Intensive Care, University of Florence, Florence, Italy
- Pediatric Intensive Care Unit, Department of Anesthesia and Critical Care, Meyer Children’s University Hospital, IRCCS, Florence, Italy
| | - Sergio Serni
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
- Unit of Urological Minimally, Invasive Robotic Surgery and Renal Transplantation, Department of Oncology and Robotic Surgery, Careggi Hospital, University of Florence, Florence, Italy
| | - Stefano Romagnoli
- From the Department of Health Sciences, Section of Anesthesiology, and Intensive Care, University of Florence, Florence, Italy
- Department of Anesthesia and Intensive Care, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
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22
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Bai Y, Li Y, Jin J, Cheng M, Zhang S, Yang X, Xu J. Effects of early recovery of renal function on adverse renal outcomes and mortality in patients with acute kidney injury: a systematic review and meta-analysis. Int Urol Nephrol 2024; 56:2421-2430. [PMID: 38451431 DOI: 10.1007/s11255-024-03974-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 02/02/2024] [Indexed: 03/08/2024]
Abstract
AIM This study intended to scrutinize the effect of RFR time on adverse renal outcomes and mortality and try to define the cutoff of early RFR. METHODS We conducted a literature search from database inception to February 2023. Outcome measures incorporated the progression of CKD, delivery of RRT, incidence of composite renal outcomes, and mortality. And pooled results were depicted as odds ratio (OR) and 95% confidence interval (CI). RESULTS A total of 11 studies were finally selected (507,989 patients, mean follow-up, 3.89 years). The results exhibited that the crude mortality was lower in patients with early RFR (OR = 0.39, 95% CI: 0.16-0.95, P = 0.037). In addition, patients with early RFR had a lower incidence of progression to CKD (OR = 0.38, 95% CI: 0.17-0.85, P < 0.018), RRT (OR = 0.37, 95% CI: 0.20-0.71, P = 0.03), and composite renal outcomes (OR = 0.18, 95% CI: 0.15-0.20, P < 0.001). CKD progression-related events were significantly higher in patients whose renal function recovered after 7 days (OR = 0.69, 95% CI: 0.47-1.09, P = 0.112) than in those whose renal function recovered within 7 days (OR = 0.23, 95% CI: 0.06-0.92, P = 0.038), and the risk of RRT was lower in patients who recovered within 7 days (OR = 0.32, 95% CI: 0.15-0.66, P = 0.002) than in those who recovered after 7 days (OR = 0.72, 95% CI: 0.17-3.09, P = 0.654) or longer. CONCLUSION Patients with early RFR had a lower risk of CKD progression, RRT, and composite renal outcomes, as well as lower crude mortality than those without early recovery, despite no marked difference in 30-day, 90-day, and 1-year mortality. We speculated that 7 days may be used as a cutoff for early RFR.
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Affiliation(s)
- Yaling Bai
- Departments of Nephrology, Hebei Key Laboratory of Vascular Calcifcation in Kidney Disease, Hebei Clinical Research Center for Chronic Kidney Disease, The Fourth Hospital of Hebei Medical University, 12 Jiankang Road, Shijiazhuang, 050000, People's Republic of China
| | - Yajing Li
- Departments of Nephrology, Hebei Key Laboratory of Vascular Calcifcation in Kidney Disease, Hebei Clinical Research Center for Chronic Kidney Disease, The Fourth Hospital of Hebei Medical University, 12 Jiankang Road, Shijiazhuang, 050000, People's Republic of China
| | - JingJing Jin
- Departments of Nephrology, Hebei Key Laboratory of Vascular Calcifcation in Kidney Disease, Hebei Clinical Research Center for Chronic Kidney Disease, The Fourth Hospital of Hebei Medical University, 12 Jiankang Road, Shijiazhuang, 050000, People's Republic of China
| | - Meijuan Cheng
- Departments of Nephrology, Hebei Key Laboratory of Vascular Calcifcation in Kidney Disease, Hebei Clinical Research Center for Chronic Kidney Disease, The Fourth Hospital of Hebei Medical University, 12 Jiankang Road, Shijiazhuang, 050000, People's Republic of China
| | - Shenglei Zhang
- Departments of Nephrology, Hebei Key Laboratory of Vascular Calcifcation in Kidney Disease, Hebei Clinical Research Center for Chronic Kidney Disease, The Fourth Hospital of Hebei Medical University, 12 Jiankang Road, Shijiazhuang, 050000, People's Republic of China
| | - Xinyue Yang
- Departments of Nephrology, Hebei Key Laboratory of Vascular Calcifcation in Kidney Disease, Hebei Clinical Research Center for Chronic Kidney Disease, The Fourth Hospital of Hebei Medical University, 12 Jiankang Road, Shijiazhuang, 050000, People's Republic of China
| | - Jinsheng Xu
- Departments of Nephrology, Hebei Key Laboratory of Vascular Calcifcation in Kidney Disease, Hebei Clinical Research Center for Chronic Kidney Disease, The Fourth Hospital of Hebei Medical University, 12 Jiankang Road, Shijiazhuang, 050000, People's Republic of China.
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Goh JHF, Hwang NC. Does Blocking the Renin-Angiotensin System Mitigate Acute Kidney Injury After Heart Transplantation? J Cardiothorac Vasc Anesth 2024; 38:1442-1444. [PMID: 38609812 DOI: 10.1053/j.jvca.2024.03.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 03/11/2024] [Indexed: 04/14/2024]
Affiliation(s)
- Jacqueline Hui Fen Goh
- Department of Cardiothoracic Anaesthesia, National Heart Centre, Singapore; Department of Anaesthesiology, Singapore General Hospital, Singapore
| | - Nian Chih Hwang
- Department of Cardiothoracic Anaesthesia, National Heart Centre, Singapore; Department of Anaesthesiology, Singapore General Hospital, Singapore.
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24
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Cui F, Zhang J, Ruan M, Lu Y, Wu J, Chen Z, Xue C, Xu J, Mao Z. Prognostic Assessment of Histopathologic Lesions in Patients with Community-Acquired AKI with Biopsy-Proven Acute Tubular Necrosis. KIDNEY360 2024; 5:950-958. [PMID: 38709563 PMCID: PMC11296553 DOI: 10.34067/kid.0000000000000460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 04/25/2024] [Indexed: 05/08/2024]
Abstract
Key Points The severity of acute tubular necrosis was closely associated with renal survival. Crescent and arterial lesions are significantly associated with progression to ESKD and exerted superimposing effects together with acute tubular necrosis. Tubular atrophy/interstitial fibrosis and intracapillary lesions increase the risk of CKD stage 3–5. Background Community-acquired AKI (CA-AKI) was more likely to be comorbid with underlying kidney histopathological lesions in addition to acute tubular necrosis (ATN). Thus, we tried to clarify the histological determinants that could influence the prognosis and recovery of patients with CA-AKI with biopsy-proven ATN. Methods Adult patients with CA-AKI with biopsy-proven ATN who underwent renal biopsy at Shanghai Changzheng Hospital from January 1, 2010, to December 31, 2018, were included and followed up for 5 years. The impacts of histopathological lesions on short-term and long-term renal dysfunction were also analyzed. Results Multivariate analysis revealed that ATNs, crescents, and decrease of arteriole lumens increased short-term dialysis requirements. The severity of ATN was closely associated with renal survival. According to the Kaplan–Meier analysis, the severity of ATN was significantly associated with short-term dialysis needs and long-term development of ESKD during follow-up. Crescent and decrease of arteriole lumens are significantly associated with progression to ESKD and exert synergistic effects with ATN. For patients who did not progress to dialysis, tubular atrophic/interstitial fibrosis and endocapillary lesions were more relevant to partial recovery of renal function after CA-AKI at the 3-month follow-up and increased the risk of CKD stage 3–5 at the 5-year follow-up. According to our correlation analysis, endocapillary lesions and crescents were positively correlated with ATN. Conclusions Histopathologic lesions, apart from tubular necrosis, contributed to the detrimental short-term and long-term renal prognosis of patients with CA-AKI with ATN; concomitant histopathologic lesions exerted a combined impact on renal survival together with ATN in patients with CA-AKI.
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Affiliation(s)
- Fangzheng Cui
- School of Medicine, Shanghai University, Shanghai, China
- Division of Nephrology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jieting Zhang
- School of Medicine, Shanghai University, Shanghai, China
- Division of Nephrology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Mengna Ruan
- Division of Nephrology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Yunhui Lu
- Division of Nephrology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jun Wu
- Division of Nephrology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Zewei Chen
- Department of Nephrology, The First Navy Hospital of Southern Theater Command, Zhanjiang, China
| | - Cheng Xue
- Division of Nephrology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jing Xu
- School of Medicine, Shanghai University, Shanghai, China
| | - Zhiguo Mao
- School of Medicine, Shanghai University, Shanghai, China
- Division of Nephrology, Changzheng Hospital, Second Military Medical University, Shanghai, China
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Bolignano D, Serraino GF, Pizzini P, Jiritano F, Zicarelli M, Spoto B, Mobrici M, Musolino M, Napolitano D, Testa A, Andreucci M, Mastroroberto P, Coppolino G. Perioperative Marinobufagenin (MBG) Measurement May Improve Acute Kidney Injury Risk Assessment in Patients Undergoing Major Cardiac Surgery: A Proof-of-Concept Study. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:1079. [PMID: 39064508 PMCID: PMC11279335 DOI: 10.3390/medicina60071079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2024] [Revised: 06/28/2024] [Accepted: 06/28/2024] [Indexed: 07/28/2024]
Abstract
Background and Objectives: Acute kidney injury (AKI) remains a significant complication following major cardiac surgery. Marinobufagenin (MBG), a cardiotonic steroid involved in sodium balance and blood pressure regulation, has been linked to organ damage after ischemia-reperfusion events. This pilot, prospective study investigates the utility of circulating MBG to improve AKI risk assessment in cardiac surgery patients as a stand-alone biomarker and after inclusion in a validated risk model (STS-AKI score). Materials and Methods: We included 45 patients undergoing elective cardiac surgery. The MBG levels were measured preoperatively and at 4, 8, and 12 h post-surgery. The AKI was defined according to the KDIGO guidelines. Statistical analyses assessed the diagnostic and prognostic utility of MBG and its integration with the STS-AKI score. Results: An AKI occurred in 26.7% of the patients. The STS-AKI score performed well in this cohort (AUC: 0.736). The MBG levels displayed a decreasing trend in the whole population after surgery (p = 0.02). However, in the AKI patients, MBG increased at 4 and 8 h before decreasing at 12 h post-surgery. The MBG changes from the baseline to 8 h and from 8 to 12 h post-surgery showed a remarkable diagnostic accuracy for an AKI (AUCs: 0.917 and 0.843, respectively). Integrating these MBG changes with the STS-AKI score significantly improved the model performance, including discrimination, calibration, and risk reclassification. Conclusions: The MBG measurement, particularly any dynamic changes post-surgery, enhances AKI risk stratification in cardiac surgery patients. Integrating MBG with the STS-AKI score offers more accurate risk predictions, potentially leading to better patient management and outcomes.
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Affiliation(s)
- Davide Bolignano
- Department of Medical and Surgical Sciences, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
| | - Giuseppe Filiberto Serraino
- Department of Experimental and Clinical Medicine, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
| | - Patrizia Pizzini
- Italian National Council of Research (CNR)–Institute of Clinical Physiology, 89100 Reggio Calabria, Italy
| | - Federica Jiritano
- Department of Experimental and Clinical Medicine, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
| | - Mariateresa Zicarelli
- Department of Health Sciences, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
| | - Belinda Spoto
- Italian National Council of Research (CNR)–Institute of Clinical Physiology, 89100 Reggio Calabria, Italy
| | - Marco Mobrici
- Italian National Council of Research (CNR)–Institute of Clinical Physiology, 89100 Reggio Calabria, Italy
| | - Michela Musolino
- Department of Health Sciences, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
| | - Désirée Napolitano
- Department of Experimental and Clinical Medicine, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
| | - Alessandra Testa
- Italian National Council of Research (CNR)–Institute of Clinical Physiology, 89100 Reggio Calabria, Italy
| | - Michele Andreucci
- Department of Health Sciences, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
| | - Pasquale Mastroroberto
- Department of Experimental and Clinical Medicine, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
| | - Giuseppe Coppolino
- Department of Health Sciences, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
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Jensen SK, Rasmussen TB, Jacobsen BH, Heide-Jørgensen U, Sawhney S, Gammelager H, Birn H, Johnsen SP, Christiansen CF. Regional variation in incidence and prognosis of acute kidney injury. Nephrol Dial Transplant 2024; 39:1171-1180. [PMID: 38140955 DOI: 10.1093/ndt/gfad267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Examining regional variation in acute kidney injury (AKI) and associated outcomes may reveal inequalities and possibilities for optimization of the quality of care. Using the Danish medical databases, we examined regional variation in the incidence, follow-up and prognosis of AKI in Denmark. METHODS Patients with one or more AKI episodes in 2017 were identified using population-based creatinine measurements covering all Danish residents. Crude and sex-and-age-standardized incidence rates of AKI were estimated using census statistics for each municipality. Adjusted hazard ratios (aHR) of chronic kidney disease (CKD), all-cause death, biochemical follow-up and outpatient contact with a nephrology department after AKI were estimated across geographical regions and categories of municipalities, accounting for differences in demographics, comorbidities, medication use, lifestyle and social factors, and baseline kidney function. RESULTS We identified 63 382 AKI episodes in 58 356 adults in 2017. The regional standardized AKI incidence rates ranged from 12.9 to 14.9 per 1000 person-years. Compared with the Capital Region of Denmark, the aHRs across regions ranged from 1.04 to 1.25 for CKD, from 0.97 to 1.04 for all-cause death, from 1.09 to 1.15 for biochemical follow-up and from 1.08 to 1.49 for outpatient contact with a nephrology department after AKI. Similar variations were found across municipality categories. CONCLUSIONS Within the uniform Danish healthcare system, we found modest regional variation in AKI incidence. The mortality after AKI was similar; however, CKD, biochemical follow-up and nephrology follow-up after AKI varied across regions and municipality categories.
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Affiliation(s)
- Simon Kok Jensen
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Thomas Bøjer Rasmussen
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Bjarke Hejlskov Jacobsen
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Uffe Heide-Jørgensen
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Simon Sawhney
- Aberdeen Centre for Health Data Science, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
- NHS Grampian, Aberdeen, UK
| | - Henrik Gammelager
- Department of Intensive Care Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Henrik Birn
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Søren Paaske Johnsen
- Danish Center for Clinical Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Christian Fynbo Christiansen
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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Tang Y, Qin W. Application of multimodal ultrasonography to predicting the acute kidney injury risk of patients with sepsis: artificial intelligence approach. PeerJ Comput Sci 2024; 10:e2157. [PMID: 38983213 PMCID: PMC11232605 DOI: 10.7717/peerj-cs.2157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Accepted: 06/05/2024] [Indexed: 07/11/2024]
Abstract
The occurrence of acute kidney injury in sepsis represents a common complication in hospitalized and critically injured patients, which is usually associated with an inauspicious prognosis. Thus, additional consequences, for instance, the risk of developing chronic kidney disease, can be coupled with significantly higher mortality. To intervene in advance in high-risk patients, improve poor prognosis, and further enhance the success rate of resuscitation, a diagnostic grading standard of acute kidney injury is employed to quantify. In the article, an artificial intelligence-based multimodal ultrasound imaging technique is conceived by incorporating conventional ultrasound, ultrasonography, and shear wave elastography examination approaches. The acquired focal lesion images in the kidney lumen are mapped into a knowledge map and then injected into feature mining of a multicenter clinical dataset to accomplish risk prediction for the occurrence of acute kidney injury. The clinical decision curve demonstrated that applying the constructed model can help patients whose threshold values range between 0.017 and 0.89 probabilities. Additionally, the metrics of model sensitivity, specificity, accuracy, and area under the curve (AUC) are computed as 67.9%, 82.48%, 76.86%, and 0.692%, respectively, which confirms that multimodal ultrasonography not only improves the diagnostic sensitivity of the constructed model but also dramatically raises the risk prediction capability, thus illustrating that the predictive model possesses promising validity and accuracy metrics.
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Affiliation(s)
- Yidan Tang
- Emergency Internal Medicine Department, First People's Hospital of Shang Qiu, Shangqiu, Henan, China
| | - Wentao Qin
- Emergency Internal Medicine Department, First People's Hospital of Shang Qiu, Shangqiu, Henan, China
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Zhou J, Shi W, Wu D, Wang S, Wang X, Min J, Wang F. Mendelian Randomization Analysis of Systemic Iron Status and Risk of Different Types of Kidney Disease. Nutrients 2024; 16:1978. [PMID: 38999730 PMCID: PMC11243746 DOI: 10.3390/nu16131978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 06/08/2024] [Accepted: 06/19/2024] [Indexed: 07/14/2024] Open
Abstract
With rapid increases in incidence, diverse subtypes, and complicated etiologies, kidney disease remains a global public health problem. Iron, as an essential trace element, has pleiotropic effects on renal function and the progression of kidney diseases. A two-sample Mendelian randomization (MR) analysis was implemented to determine the potential causal effects between systemic iron status on different kidney diseases. Systemic iron status was represented by four iron-related biomarkers: serum iron, ferritin, transferrin saturation (TfSat), and total iron binding capacity (TIBC). For systemic iron status, 163,511, 246,139, 131,471, and 135,430 individuals were included in the genome-wide association study (GWAS) of serum iron, ferritin, TfSat, and TIBC, respectively. For kidney diseases, 653,143 individuals (15,658 cases and 637,485 controls), 657,076 individuals (8160 cases and 648,916 controls), and 659,320 individuals (10,404 cases and 648,916 controls) were included for immunoglobulin A nephropathy (IgAN), acute kidney disease (AKD), and chronic kidney disease (CKD), respectively. Our MR results showed that increased serum iron [odds ratio (OR): 1.10; 95% confidence interval (95% CI): 1.04, 1.16; p < 0.0042], ferritin (OR: 1.30; 95% CI: 1.14, 1.48; p < 0.0042), and TfSat (OR: 1.07; 95% CI: 1.04, 1.11; p < 0.0042)] and decreased TIBC (OR: 0.92; 95% CI: 0.88, 0.97; p < 0.0042) were associated with elevated IgAN risk. However, no significant associations were found between systemic iron status and AKD or CKD. In our MR study, the genetic evidence supports elevated systemic iron status as a causal effect on IgAN, which suggests a potential protective effect of iron chelation on IgAN patients.
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Affiliation(s)
- Jiahui Zhou
- The Second Affiliated Hospital, School of Public Health, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Wanting Shi
- The Second Affiliated Hospital, School of Public Health, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Dongya Wu
- The Second Affiliated Hospital, School of Public Health, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Shujie Wang
- The Second Affiliated Hospital, School of Public Health, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Xinhui Wang
- Sir Run Run Shaw Hospital, School of Public Health, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Junxia Min
- The First Affiliated Hospital, Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Fudi Wang
- The Second Affiliated Hospital, School of Public Health, Zhejiang University School of Medicine, Hangzhou 310058, China
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Monard C, Bianchi N, Kelevina T, Altarelli M, Chaouch A, Schneider A. Averaged versus Persistent Reduction in Urine Output to Define Oliguria in Critically Ill Patients: An Observational Study. Clin J Am Soc Nephrol 2024; 19:01277230-990000000-00396. [PMID: 38848126 PMCID: PMC11390020 DOI: 10.2215/cjn.0000000000000493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 05/28/2024] [Indexed: 06/26/2024]
Abstract
Key Points
When assessing urine output, consideration of an average or persistent value below a threshold has important diagnostic and prognostic implicationsSeventy-three percent (95% confidence interval, 72.3 to 73.7) of patients had oliguria by the average method versus 54.3% (53.5 to 55.1) by the persistent method.
Background
Oliguria is defined as a urine output (UO) of <0.5 ml/kg per hour over 6 hours. There is no consensus as per whether an average or persistent value should be considered.
Methods
We analyzed all adults admitted to a tertiary intensive care unit between 2010 and 2020, except those on chronic dialysis or who declined consent. We extracted hourly UO and, across 6-hour sliding time windows, assessed for the presence of oliguria according to the average (mean UO below threshold) and persistent (all measurements below a threshold) methods. For both methods, we compared oliguria's incidence and association with 90-day mortality and acute kidney disease at hospital discharge.
Results
Among 15,253 patients, the average method identified oliguria more often than the persistent method (73% [95% confidence interval, 72.3 to 73.7] versus 54.3% [53.5 to 55.1]). It displayed a higher sensitivity for the prediction of 90-day mortality (85% [83.6 to 86.4] versus 70.3% [68.5 to 72]) and acute kidney disease at hospital discharge (85.6% [84.2 to 87] versus 71.8% [70 to 73.6]). However, its specificity was lower for both outcomes (29.8% [28.9 to 30.6] versus 49.4% [48.5 to 50.3] and 29.8% [29 to 30.7] versus 49.8% [48.9 to 50.7]). After adjusting for illness severity, comorbidities, age, admission year, weight, sex, and AKI on admission, the absolute difference in mortality attributable to oliguria at the population level was similar with both methods (5%). Similar results were obtained when analyses were restricted to patients without AKI on admission, with documented body weight, with presence of indwelling catheter throughout stay, and who did not receive KRT or diuretics.
Conclusions
The assessment method of oliguria has major diagnostic and prognostic implications. Its definition should be standardized.
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Affiliation(s)
- Céline Monard
- Adult Intensive Care Unit, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
- Faculty of Biology and Medicine (FBM), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Nathan Bianchi
- Adult Intensive Care Unit, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
- Faculty of Biology and Medicine (FBM), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Tatiana Kelevina
- Adult Intensive Care Unit, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - Marco Altarelli
- Adult Intensive Care Unit, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - Aziz Chaouch
- Department of Epidemiology and Health Systems, Quantitative Research, Center for Primary Care and Public Health (Unisanté), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Antoine Schneider
- Adult Intensive Care Unit, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
- Faculty of Biology and Medicine (FBM), University of Lausanne (UNIL), Lausanne, Switzerland
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Horie R, Hayase N, Asada T, Yamamoto M, Matsubara T, Doi K. Trajectory pattern of serially measured acute kidney injury biomarkers in critically ill patients: a prospective observational study. Ann Intensive Care 2024; 14:84. [PMID: 38842613 PMCID: PMC11156822 DOI: 10.1186/s13613-024-01328-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 06/02/2024] [Indexed: 06/07/2024] Open
Abstract
BACKGROUND The clinical value of the trajectory of temporal changes in acute kidney injury (AKI) biomarkers has not been well established among intensive care unit (ICU) patients. METHODS This is a single-center, prospective observational study, performed at a mixed ICU in a teaching medical institute in Tokyo, Japan. Adult ICU patients with an arterial line and urethral catheter were enrolled from September 2014 to March 2015. Patients who stayed in the ICU for less than 48 h and patients with known end-stage renal disease were excluded from the study. Blood and urine samples were collected for measurement of AKI biomarkers at 0, 12, 24, and 48 h after ICU admission. The primary outcome was major adverse kidney events (MAKE) at discharge, defined as a composite of death, dialysis dependency, and persistent loss of kidney function (≥ 25% decline in eGFR). RESULTS The study included 156 patients. Serum creatinine-based estimated glomerular filtration rate (eGFR), plasma neutrophil gelatinase-associated lipocalin (NGAL), and urinary liver-type fatty acid-binding protein (uL-FABP) were serially measured and each variable was classified into three groups based on group-based trajectory modeling analysis. While the trajectory curves moved parallel to each other (i.e., "low," "middle," and "high") for eGFR and plasma NGAL, the uL-FABP curves showed distinct trajectory patterns and moved in different directions ("low and constant," "high and exponential decrease," and "high and exponential increase"). These trajectory patterns were significantly associated with MAKE. MAKE occurred in 16 (18%), 16 (40%), and 9 (100%) patients in the "low and constant," "high and exponential decrease," and "high and exponential increase" groups, respectively, based on uL-FABP levels (p-value < 0.001). The initial value and the 12-h change in uL-FABP were both significantly associated with MAKE, even after adjusting for eGFR [Odds ratio (95% confidence interval): 1.45 (1.17-1.83) and 1.43 (1.12-1.88) for increase of initial value and 12-h change of log-transformed uL-FABP by 1 point, respectively]. CONCLUSIONS Trajectory pattern of serially measured urinary L-FABP was significantly associated with MAKE in ICU patients.
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Affiliation(s)
- Ryohei Horie
- Department of Emergency and Critical Care Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan.
| | - Naoki Hayase
- Department of Emergency and Critical Care Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
| | - Toshifumi Asada
- Department of Emergency and Critical Care Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
| | - Miyuki Yamamoto
- Department of Emergency and Critical Care Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
| | - Takehiro Matsubara
- Department of Emergency and Critical Care Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
| | - Kent Doi
- Department of Emergency and Critical Care Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
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Scurt FG, Bose K, Mertens PR, Chatzikyrkou C, Herzog C. Cardiac Surgery-Associated Acute Kidney Injury. KIDNEY360 2024; 5:909-926. [PMID: 38689404 PMCID: PMC11219121 DOI: 10.34067/kid.0000000000000466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 04/26/2024] [Indexed: 05/02/2024]
Abstract
AKI is a common and serious complication of cardiac surgery that has a significant impact on patient morbidity and mortality. The Kidney Disease Improving Global Outcomes definition of AKI is widely used to classify and identify AKI associated with cardiac surgery (cardiac surgery-associated AKI [CSA-AKI]) on the basis of changes in serum creatinine and/or urine output. There are various preoperative, intraoperative, and postoperative risk factors for the development of CSA-AKI which should be recognized and addressed as early as possible to expedite its diagnosis, reduce its occurrence, and prevent or ameliorate its devastating complications. Crucial issues are the inaccuracy of serum creatinine as a surrogate parameter of kidney function in the perioperative setting of cardiothoracic surgery and the necessity to discover more representative markers of the pathophysiology of AKI. However, except for the tissue inhibitor of metalloproteinase-2 and insulin-like growth factor binding protein 7 ratio, other diagnostic biomarkers with an acceptable sensitivity and specificity are still lacking. This article provides a comprehensive review of various aspects of CSA-AKI, including pathogenesis, risk factors, diagnosis, biomarkers, classification, prevention, and treatment management.
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Affiliation(s)
- Florian G. Scurt
- Clinic of Nephrology, Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Katrin Bose
- Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Magdeburg, Magdeburg, Germany
| | - Peter R. Mertens
- Clinic of Nephrology, Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Christos Chatzikyrkou
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | - Carolin Herzog
- Clinic of Nephrology, Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
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Pan D, Qu Y, Shi C, Xu C, Zhang J, Du H, Chen X. Oleanolic acid and its analogues: promising therapeutics for kidney disease. Chin Med 2024; 19:74. [PMID: 38816880 PMCID: PMC11140902 DOI: 10.1186/s13020-024-00934-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 04/19/2024] [Indexed: 06/01/2024] Open
Abstract
Kidney diseases pose a significant threat to human health due to their high prevalence and mortality rates. Worryingly, the clinical use of drugs for kidney diseases is associated with more side effects, so more effective and safer treatments are urgently needed. Oleanolic acid (OA) is a common pentacyclic triterpenoid that is widely available in nature and has been shown to have protective effects in kidney disease. However, comprehensive studies on its role in kidney diseases are still lacking. Therefore, this article first explores the botanical sources, pharmacokinetics, derivatives, and safety of OA, followed by a summary of the anti-inflammatory, immunomodulatory, anti-oxidative stress, autophagy-enhancing, and antifibrotic effects of OA and its analogues in renal diseases, and an analysis of the molecular mechanisms, aiming to provide further insights for the development of novel drugs for the treatment of kidney diseases.
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Affiliation(s)
- Dan Pan
- The College of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Yilun Qu
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Chunru Shi
- The College of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Cheng Xu
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Jie Zhang
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Hongjian Du
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Xiangmei Chen
- The College of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China.
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Qin Y, Huang J, Ping X, Zheng H, Zhang K, Xu X, Yu J. No benefit of higher protein dosing in critically ill patients: a systematic review and meta-analysis of randomized controlled trials. PeerJ 2024; 12:e17433. [PMID: 38799065 PMCID: PMC11122048 DOI: 10.7717/peerj.17433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/29/2024] [Indexed: 05/29/2024] Open
Abstract
Purpose The optimal range of protein dosage and effect of high-dose protein on critically ill patients remain controversial. We conducted a meta-analysis to compare higher and lower doses of protein supplementation for nutritional support in critically ill patients. Methods We searched the PubMed, Embase, Scopus, and Cochrane Library databases for randomized controlled trials that compared higher (≥1.2 g/kg per day) versus lower (<1.2 g/kg per day) doses of protein supplementation among critically ill adult patients. This search spanned from the inception of relevant databases to November 20, 2023. Our primary endpoint of interest was overall mortality, while secondary endpoints included length of stay in the intensive care unit, length of hospital stay, duration of mechanical ventilation, and incidence of acute kidney injury. Results Seventeen studies including 2,965 critically ill patients were included in our meta-analysis. The pooled analyses showed no significant difference in overall mortality (RR 1.03, 95%CI [0.92-1.15], P = 0.65, I2 = 0%), length of intensive care unit stay (MD 0.19, 95%CI [-0.67 to 1.04], P = 0.66, I2 = 25%), length of hospital stay (MD 0.73, 95%CI [-1.59 to 3.04], P = 0.54, I2 = 27%), duration of mechanical ventilation (MD -0.14, 95%CI [-0.83 to 0.54], P = 0.68, I2 = 8%), and incidence of acute kidney injury (RR 1.11, 95%CI [0.87-1.41], P = 0.38, I2 = 0%) between critically ill patients receiving higher or lower doses of protein supplementation. Conclusions For critically ill patients, the protein supplementation dose had no significant effect on clinical outcomes, including overall mortality, length of intensive care unit and hospital stay, duration of mechanical ventilation, and incidence of acute kidney injury.
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Affiliation(s)
- Yonggen Qin
- Department of Emergency Medicine, Hangzhou Ninth People’s Hospital, Hangzhou, China
| | - Jian Huang
- Department of Critical Care Medicine, Hangzhou Ninth People’s Hospital, Hangzhou, China
| | - Xiaofeng Ping
- Department of Critical Care Medicine, Hangzhou Ninth People’s Hospital, Hangzhou, China
| | - Hui Zheng
- Department of Emergency Medicine, Hangzhou Ninth People’s Hospital, Hangzhou, China
| | - Kai Zhang
- Department of Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xiaoya Xu
- Department of General Surgery, Lishui People’s Hospital, Lishui, China
| | - Jiuqing Yu
- Department of Critical Care Medicine, Hangzhou Ninth People’s Hospital, Hangzhou, China
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Wu JJ, Zhang TY, Qi YH, Zhu MY, Fang Y, Qi CJ, Cao LO, Lu JF, Lu BH, Tang LM, Shen JX, Mou S. Efficacy and safety of Yiqi Peiyuan granules for improving the short-term prognosis of patients with acute kidney injury: A multicenter, double-blind, placebo-controlled, randomized trial. JOURNAL OF INTEGRATIVE MEDICINE 2024; 22:279-285. [PMID: 38688809 DOI: 10.1016/j.joim.2024.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 05/12/2023] [Indexed: 05/02/2024]
Abstract
BACKGROUND Yiqi Peiyuan (YQPY) prescription, a composite prescription of traditional Chinese medicine, has been used to prevent or delay the continued deterioration of renal function after acute kidney injury (AKI) in some institutions and has shown considerable efficacy. OBJECTIVE This is the first randomized controlled trial to assess efficacy and safety of YQPY for improving short-term prognosis in adult patients with AKI. DESIGN, SETTING, PARTICIPANTS AND INTERVENTIONS This is a prospective, double-blind, multicenter, randomized, and placebo-controlled clinical trial. A total of 144 enrolled participants were randomly allocated to two groups according to a randomization schedule. Participants, caregivers and investigators assessing the outcomes were blinded to group assignment. Patients in the YQPY group received 36 g YQPY granules twice a day for 28 days. Patients in the placebo group received a placebo in the same dose as the YQPY granules. MAIN OUTCOME MEASURES The primary outcome was the change in the estimated glomerular filtration rate (eGFR) between baseline and after 4 and 24 weeks of treatment. The secondary outcomes were the change of serum creatinine (Scr) level between baseline and after treatment, and the incidence of endpoint events, defined as eGFR increasing by more than 25% above baseline, eGFR >75 mL/min per 1.73 m2 or the composite endpoint, which was defined as the sum of patients meeting either of the above criteria. RESULTS Data from a total of 114 patients (59 in the YQPY group and 55 in the control group) were analyzed. The mean changes in eGFR and Scr in weeks 4 and 24 had no difference between the two groups. In further subgroup analysis (22 in the YQPY group and 31 in the control group), the mean change in eGFR after treatment for 4 weeks was 27.39 mL/min per 1.73 m2 in the YQPY group and 5.78 mL/min per 1.73 m2 in the placebo group, and the mean difference between groups was 21.61 mL/min per 1.73 m2 (P < 0.001). Thirteen (59.1%) patients in the YQPY group and 5 (16.1%) in the placebo group reached the composite endpoints (P = 0.002). During the intervention, 2 and 4 severe adverse events were reported in the YQPY and placebo groups, respectively. CONCLUSION The YQPY granules can effectively improve the renal function of patients 4 weeks after the onset of AKI, indicating that it has good efficacy for improving short-term renal outcomes in patients with AKI. The YQPY granules may be a promising therapy for adults with AKI. TRIAL REGISTRATION Chinese Clinical Trial Registry ChiCTR2100051723. Please cite this article as: Wu JJ, Zhang TY, Qi YH, Zhu MY, Fang Y, Qi CJ, Cao LO, Lu JF, Lu BH, Tang LM, Shen JX, Mou S. Efficacy and safety of Yiqi Peiyuan granules for improving the short-term prognosis of patients with acute kidney injury: a multicenter, double-blind, placebo-controlled, randomized trial. J Integr Med. 2024; 22(3): 279-285.
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Affiliation(s)
- Jia-Jia Wu
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Uremia Diagnosis and Treatment Center, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200127, China
| | - Tian-Yi Zhang
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Uremia Diagnosis and Treatment Center, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200127, China
| | - Ying-Hui Qi
- Department of Nephrology, Shanghai Pudong New Area Punan Hospital, Shanghai 200125, China
| | - Min-Yan Zhu
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Uremia Diagnosis and Treatment Center, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200127, China
| | - Yan Fang
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Uremia Diagnosis and Treatment Center, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200127, China
| | - Chao-Jun Qi
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Uremia Diagnosis and Treatment Center, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200127, China
| | - Li-Ou Cao
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Uremia Diagnosis and Treatment Center, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200127, China
| | - Ji-Fang Lu
- Department of Nephrology, Ningbo Hangzhou Bay Hospital, Ningbo 315336, Zhejiang Province, China
| | - Bo-Han Lu
- Department of Nephrology, Ningbo Hangzhou Bay Hospital, Ningbo 315336, Zhejiang Province, China
| | - Lu-Min Tang
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Uremia Diagnosis and Treatment Center, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200127, China.
| | - Jian-Xiao Shen
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Uremia Diagnosis and Treatment Center, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200127, China.
| | - Shan Mou
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Uremia Diagnosis and Treatment Center, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200127, China.
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Grolleau F, Petit F, Gaudry S, Diard É, Quenot JP, Dreyfuss D, Tran VT, Porcher R. Personalizing renal replacement therapy initiation in the intensive care unit: a reinforcement learning-based strategy with external validation on the AKIKI randomized controlled trials. J Am Med Inform Assoc 2024; 31:1074-1083. [PMID: 38452293 PMCID: PMC11031229 DOI: 10.1093/jamia/ocae004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/13/2023] [Accepted: 01/16/2024] [Indexed: 03/09/2024] Open
Abstract
OBJECTIVE The timely initiation of renal replacement therapy (RRT) for acute kidney injury (AKI) requires sequential decision-making tailored to individuals' evolving characteristics. To learn and validate optimal strategies for RRT initiation, we used reinforcement learning on clinical data from routine care and randomized controlled trials. MATERIALS AND METHODS We used the MIMIC-III database for development and AKIKI trials for validation. Participants were adult ICU patients with severe AKI receiving mechanical ventilation or catecholamine infusion. We used a doubly robust estimator to learn when to start RRT after the occurrence of severe AKI for three days in a row. We developed a "crude strategy" maximizing the population-level hospital-free days at day 60 (HFD60) and a "stringent strategy" recommending RRT when there is significant evidence of benefit for an individual. For validation, we evaluated the causal effects of implementing our learned strategies versus following current best practices on HFD60. RESULTS We included 3748 patients in the development set and 1068 in the validation set. Through external validation, the crude and stringent strategies yielded an average difference of 13.7 [95% CI -5.3 to 35.7] and 14.9 [95% CI -3.2 to 39.2] HFD60, respectively, compared to current best practices. The stringent strategy led to initiating RRT within 3 days in 14% of patients versus 38% under best practices. DISCUSSION Implementing our strategies could improve the average number of days that ICU patients spend alive and outside the hospital while sparing RRT for many. CONCLUSION We developed and validated a practical and interpretable dynamic decision support system for RRT initiation in the ICU.
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Affiliation(s)
- François Grolleau
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, INRAE, Center for Research in Epidemiology and StatisticS (CRESS), Paris, F-75004, France
- Centre d’Epidémiologie Clinique, AP-HP, Hôpital Hôtel Dieu, Paris, F-75004, France
| | - François Petit
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, INRAE, Center for Research in Epidemiology and StatisticS (CRESS), Paris, F-75004, France
| | - Stéphane Gaudry
- Service de Réanimation Médico-Chirurgicale, AP-HP, Hôpital Avicenne, Université Sorbonne Paris Nord, Bobigny, 93430, France
- Health Care Simulation Center, UFR SMBH, Sorbonne Paris Cité, Bobigny, 93017, France
- INSERM UMR S1155, Sorbonne Université, CORAKID, Hôpital Tenon, Paris, 75020, France
| | - Élise Diard
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, INRAE, Center for Research in Epidemiology and StatisticS (CRESS), Paris, F-75004, France
- Centre d’Epidémiologie Clinique, AP-HP, Hôpital Hôtel Dieu, Paris, F-75004, France
| | - Jean-Pierre Quenot
- Department of Intensive Care, François Mitterrand University Hospital, Dijon, 21000, France
- Lipness Team, INSERM Research Center, LNC-UMR1231 and LabEx LipSTIC, Dijon, 21000, France
- INSERM CIC 1432, Clinical Epidemiology, University of Burgundy, Dijon, 21000, France
| | - Didier Dreyfuss
- INSERM UMR S1155, Sorbonne Université, CORAKID, Hôpital Tenon, Paris, 75020, France
- Service de Médecine Intensive-Réanimation, Sorbonne Université, Hôpital Louis Mourier, AP-HP, Université Paris-Cité, Paris, F-75018, France
| | - Viet-Thi Tran
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, INRAE, Center for Research in Epidemiology and StatisticS (CRESS), Paris, F-75004, France
- Centre d’Epidémiologie Clinique, AP-HP, Hôpital Hôtel Dieu, Paris, F-75004, France
| | - Raphaël Porcher
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, INRAE, Center for Research in Epidemiology and StatisticS (CRESS), Paris, F-75004, France
- Centre d’Epidémiologie Clinique, AP-HP, Hôpital Hôtel Dieu, Paris, F-75004, France
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Jin L, Shan L, Yu K, Pan Y, Sun Y, Chen J, Han L, Li W, Li Z, Zhang Y. Postoperative acute kidney injury increases short- and long-term death risks in elderly patients (≥ 75 years old) undergoing coronary artery bypass graft surgery. Int Urol Nephrol 2024; 56:1497-1508. [PMID: 37878200 PMCID: PMC10923977 DOI: 10.1007/s11255-023-03845-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 10/08/2023] [Indexed: 10/26/2023]
Abstract
PURPOSE To explore the incidence of postoperative acute kidney injury (AKI) after coronary artery bypass grafting (CABG) in elderly Chinese patients (≥ 75 years old) and its impacts on the short- and long-term prognosis. METHODS A total of 493 patients aged 75-88 years old who underwent CABG from two medical centers between January 2006 and October 2021 were involved. Perioperative (preoperative and 7 days after operation) serum creatinine (Scr) levels were measured in all the enrolled patients. Univariate and multivariate logistic regression analyses were conducted to explore the independent risk factors of postoperative in-hospital mortality. Kaplan-Meier curves and COX model were used to test the risk factors of all-cause death during follow-up. Propensity score matching was used to balance differences between AKI and control groups. The primary outcome event was in-hospital death, and the secondary outcome was all-cause death during follow-up. RESULTS The 198 patients were diagnosed with postoperative AKI. Intra-aortic balloon pump (IABP), cardiopulmonary bypass, and postoperative AKI were independent risk factors of in-hospital death. Gender, New York Heart Association Classification, preoperative eGFR, last eGFR within 7 days after operation, postoperative AKI, and postoperative renal function all impacted long-term prognosis. After 1:1 matching, 190 patients were included in the AKI and control groups. Use of IABP, use of cardiopulmonary bypass, and occurrence of postoperative AKI were still independent risk factors of in-hospital death. Preoperative eGFR, last eGFR within 7 days after operation, postoperative AKI and postoperative renal function all impacted long-term prognosis. CONCLUSION The incidence of postoperative AKI in elderly patients undergoing CABG is high, and postoperative AKI is an independent risk factor of both short- and long-term postoperative prognosis.
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Affiliation(s)
- Lei Jin
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lingtong Shan
- Department of Thoracic Surgery, Sheyang County People's Hospital, Yancheng, China
| | - Kaiyan Yu
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yilin Pan
- The First Clinical Medical College of Nanjing Medical University, Nanjing, China
| | - Yangyang Sun
- The First Clinical Medical College of Nanjing Medical University, Nanjing, China
| | - Jiapeng Chen
- Xinglin College, Nantong University, Nantong, China
| | - Lixiang Han
- Department of Cardiovascular Surgery, Jiangsu Province Hospital, the First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China
| | - Wei Li
- Department of Cardiovascular Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, 241 Huaihai Road, Shanghai, 200030, China.
| | - Zhi Li
- Department of Cardiovascular Surgery, Jiangsu Province Hospital, the First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China.
| | - Yangyang Zhang
- Department of Cardiovascular Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, 241 Huaihai Road, Shanghai, 200030, China.
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Arenas CL, Forero ACP, Ángel DCV, López PMR, Diaz LVG, Aguilar DKN, Yate HCM. Risk factors for acute kidney injury in patients hospitalized with COVID-19. J Bras Nefrol 2024; 46:e20230056. [PMID: 38078832 PMCID: PMC11210541 DOI: 10.1590/2175-8239-jbn-2023-0056en] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 09/20/2023] [Indexed: 03/21/2024] Open
Abstract
INTRODUCTION Acute kidney injury (AKI) occurs frequently in COVID-19 patients and is associated with greater morbidity and mortality. Knowing the risks of AKI allows for identification, prevention, and timely treatment. This study aimed to identify the risk factors associated with AKI in hospitalized patients. METHODS A descriptive, retrospective, cross-sectional, and analytical component study of adult patients hospitalized with COVID-19 from March 1 to December 31, 2020 was carried out. AKI was defined by the creatinine criteria of the KDIGO-AKI guidelines. Information, regarding risk factors, was obtained from electronic medical records. RESULTS Out of the 934 patients, 42.93% developed AKI, 60.59% KDIGO-1, and 9.9% required renal replacement therapy. Patients with AKI had longer hospital stay, higher mortality, and required more intensive care unit (ICU) admission, mechanical ventilation, and vasopressor support. Multivariate analysis showed that age (OR 1.03; 95% CI 1.02-1.04), male sex (OR 2.13; 95% CI 1.49-3.04), diabetes mellitus (DM) (OR 1.55; 95% CI 1.04-2.32), chronic kidney disease (CKD) (OR 2.07; 95% CI 1.06-4.04), C-reactive protein (CRP) (OR 1.02; 95% CI 1.00-1.03), ICU admission (OR 1.81; 95% CI 1.04-3.16), and vasopressor support (OR 7.46; 95% CI 3.34-16.64) were risk factors for AKI, and that bicarbonate (OR 0.89; 95% CI 0.84-0.94) and partial pressure arterial oxygen/inspired oxygen fraction index (OR 0.99; 95% CI 0.98-0.99) could be protective factors. CONCLUSIONS A high frequency of AKI was documented in COVID-19 patients, with several predictors: age, male sex, DM, CKD, CRP, ICU admission, and vasopressor support. AKI occurred more frequently in patients with higher disease severity and was associated with higher mortality and worse outcomes.
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Brusasco C, Cucciolini G, Barberis A, Introini C, Campodonico F, Corradi F. Improving Patient Outcomes in Abdominal Surgery. J Clin Med 2024; 13:1993. [PMID: 38610756 PMCID: PMC11012594 DOI: 10.3390/jcm13071993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 03/24/2024] [Indexed: 04/14/2024] Open
Abstract
Post-operative acute kidney injury (PO-AKI) is a frequent complication described in 15% of non-cardiac surgeries, 30% of cardiac surgeries, and 52% of patients requiring intensive post-operative care [...].
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Affiliation(s)
- Claudia Brusasco
- Anaesthesia and Intensive Care Unit, E.O. Ospedali Galliera, 16128 Genoa, Italy;
| | - Giada Cucciolini
- Department of Surgical, Medical, Molecular Pathology and Critical Care Medicine, University of Pisa, 56126 Pisa, Italy; (G.C.); (F.C.)
| | - Andrea Barberis
- General and Epatobiliar Surgery, E.O. Ospedale Galliera, 16128 Genoa, Italy;
| | - Carlo Introini
- Urology Unit, E.O. Ospedali Galliera, 16128 Genoa, Italy;
| | | | - Francesco Corradi
- Department of Surgical, Medical, Molecular Pathology and Critical Care Medicine, University of Pisa, 56126 Pisa, Italy; (G.C.); (F.C.)
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Baggett KH, Manghi T, Walter V, Thomas NJ, Freeman MA, Krawiec C. Acute kidney injury in hospitalized children with proteinuria: A multicenter retrospective analysis. PLoS One 2024; 19:e0298463. [PMID: 38512840 PMCID: PMC10956840 DOI: 10.1371/journal.pone.0298463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 01/24/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND AND OBJECTIVE Acute kidney injury (AKI) is a common complication in hospitalized pediatric patients. Previous studies focused on adults found that proteinuria detected during an admission urinalysis is fit to serve as an indicator for AKI and associated clinical outcomes. The objective of this study is to evaluate if proteinuria on the first day of hospital services in hospitalized children is associated with AKI, need for renal replacement therapy, shock and/or antibiotic use, critical care services, and all-cause mortality at 30 days, hypothesizing that it is associated with these outcomes. METHODS This is a retrospective cohort study using TriNetX electronic health record data of patients 2 to 18 years of age who underwent urinalysis laboratory testing on hospital admission, had three subsequent days of hospital or critical care services billing codes and creatinine laboratory values, and no pre-existing renal-related complex chronic condition. This study evaluated for the frequency, odds, and severity of AKI as defined by Kidney Disease: Improving Global Outcomes modified criteria and assessed for associated clinical outcomes. RESULTS This study included 971 pediatric subjects [435 (44.7%) with proteinuria]. Proteinuria on the first day of hospital services was associated with an increased odds for higher severity AKI on any day of hospitalization (odds ratio [OR] 2.41, CI 1.8-3.23, p<0.001), need for renal replacement therapy (OR 4.58, CI 1.69-12.4, p = 0.001), shock and/or antibiotic use (OR 1.34, CI 1.03-1.75, p = 0.033), and all-cause mortality at 30 days post-admission (OR 10.0, CI 1.25-80.5, p = 0.013). CONCLUSION Children with proteinuria on the first day of hospital care services may have an increased odds of higher severity AKI, need for renal replacement therapy, shock and/or antibiotic use, and all-cause mortality at 30 days post-admission, with no significant association found for critical care services, mechanical intubation, or inotrope or vasopressor use.
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Affiliation(s)
- Katelyn H Baggett
- Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America
| | - Tomas Manghi
- Pediatric Critical Care Medicine, Department of Pediatrics, Penn State Hershey Children's Hospital, Hershey, Pennsylvania, United States of America
| | - Vonn Walter
- Department of Public Health Sciences, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America
| | - Neal J Thomas
- Pediatric Critical Care Medicine, Department of Pediatrics, Penn State Hershey Children's Hospital, Hershey, Pennsylvania, United States of America
- Department of Public Health Sciences, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America
| | - Michael A Freeman
- Pediatric Nephrology and Hypertension, Department of Pediatrics, Penn State Hershey Children's Hospital, Hershey, Pennsylvania, United States of America
- Department of Humanities, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America
| | - Conrad Krawiec
- Pediatric Critical Care Medicine, Department of Pediatrics, Penn State Hershey Children's Hospital, Hershey, Pennsylvania, United States of America
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Xu F, Bai Y, Xie F, Liu D, Wang Z, Wang S. Postoperative morbidity and mortality of patients with COVID-19 undergoing cardiovascular surgery: an inverse propensity-weighted study : Postoperative outcomes of patients undergoing cardiovascular surgery during the COVID-19 pandemic. BMC Anesthesiol 2024; 24:98. [PMID: 38459441 PMCID: PMC10924331 DOI: 10.1186/s12871-024-02445-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 02/06/2024] [Indexed: 03/10/2024] Open
Abstract
BACKGROUND To evaluate the postoperative morbidity and mortality of patients undergoing cardiovascular surgery during the 2022 nationwide Omicron variant infection wave in China. METHODS This retrospective cohort study included 403 patients who underwent cardiovascular surgery for the first time during the 2022 wave of the pandemic within 1 month. Among them, 328 patients were preoperatively diagnosed with COVID-19 Omicron variant infection during the pandemic, and 75 patients were negative. The association between Omicron variant exposure and postoperative prognosis was explored by comparing patients with and without COVID-19 exposure. The primary outcome was in-hospital death after cardiovascular surgery. The secondary outcomes were major postoperative morbidity, including myocardial infarction (MI), acute kidney injury (AKI), postoperative mechanical ventilation hours, ICU stay hours, and postoperative length of stay. The data were analyzed using inverse probability of treatment weighting (IPTW) to minimize bias. RESULTS We identified 403 patients who underwent cardiovascular surgery, 328 (81.39%) had Omicron variant infections. In total, 10 patients died in the hospital. Omicron variant infection was associated with a much greater risk of death during cardiovascular surgery after adjustment for IPTW (2.8% vs. 1.3%, adjusted OR 2.185, 95%CI = 1.193 to 10.251, P = 0.041). For major postoperative morbidity, there were no significant differences in terms of myocardial infarction between the two groups (adjusted OR = 0.861, 95%CI = 0.444 to 1.657, P = 0.653), acute kidney injury (adjusted OR = 1.157, 95%CI = 0.287 to 5.155, P = 0.820), postoperative mechanical ventilation hours (B -0.375, 95%CI=-8.438 to 7.808, P = 0.939), ICU stay hours (B 2.452, 95%CI=-13.269 to 8.419, P = 0.660) or postoperative stay (B -1.118, 95%CI=-2.237 to 1.154, P = 0.259) between the two groups. CONCLUSION Perioperative COVID-19 infection was associated with an increased risk of in-hospital death among patients who underwent cardiovascular surgery during the Omicron variant wave of the pandemic.
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Affiliation(s)
- Fei Xu
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Yunbo Bai
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Fang Xie
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Daqi Liu
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Zhaoqi Wang
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Sheng Wang
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
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Sun H, Li Q, Jin Z, Lu Y, Ju Y. Simultaneous determination of multiple urine biomarkers for kidney injury using SPE combined with LC-MS/MS. Clin Chim Acta 2024; 555:117790. [PMID: 38246210 DOI: 10.1016/j.cca.2024.117790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/09/2024] [Accepted: 01/16/2024] [Indexed: 01/23/2024]
Abstract
BACKGROUND AND OBJECTIVES Urinary biomarkers such as low molecular weight proteins and small molecular weight metabolites are crucial in the diagnosis of kidney injury. The objective of this study was to develop and preliminarily validate a sensitive and specific method using solid-phase extraction (SPE) in conjunction with liquid chromatography-tandem mass spectrometry (LC-MS/MS) for the simultaneous measurement of these biomarkers in human urine. METHOD This study presents the development of a solid-phase extraction method integrated with LC-MS/MS analyzing biomarkers including creatinine, urea, β2-microglobulin, α1-microglobulin, and cystatin C in human urine. An enhanced solid-phase cartridge technique was employed for peptide purification and dilution of small molecule metabolites during sample preparation. RESULTS The developed LC-MS/MS method achieved satisfactory separation of the five analytes within 15 min. Accuracy levels ranged from -8.6% to 13.6%. Both intra-assay and inter-assay imprecision rates were maintained below 7.9% for all analytes. CONCLUSIONS The established LC-MS/MS method effectively quantifies creatinine, urea, β2-microglobulin, α1-microglobulin and cystatin C concurrently. This offers a viable alternative for the detection of kidney injury biomarkers in human urine, demonstrating potential for clinical application in kidney injury diagnosis.
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Affiliation(s)
- Hewei Sun
- Shanghai Center for Clinical Laboratory, Shanghai, PR China
| | - Qing Li
- Shanghai Center for Clinical Laboratory, Shanghai, PR China
| | - Zhonggan Jin
- Shanghai Center for Clinical Laboratory, Shanghai, PR China
| | - Yide Lu
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiaotong University Medical School, Shanghai, PR China
| | - Yi Ju
- Shanghai Center for Clinical Laboratory, Shanghai, PR China.
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Bansal AD, Patel AA. Dialysis initiation for patients with decompensated cirrhosis when liver transplant is unlikely. Curr Opin Nephrol Hypertens 2024; 33:212-219. [PMID: 38038622 DOI: 10.1097/mnh.0000000000000959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
PURPOSE OF REVIEW The purpose of this review is to describe an approach that emphasizes shared decision-making for patients with decompensated cirrhosis and acute kidney injury when liver transplantation is either not an option, or unlikely to be an option. RECENT FINDINGS When acute kidney injury occurs on a background of decompensated cirrhosis, outcomes are generally poor. Providers can also be faced with prognostic uncertainty. A lack of guidance from nephrology and hepatology professional societies means that providers rely on expert opinion or institutional practice patterns. SUMMARY For patients who are unlikely to receive liver transplantation, the occurrence of acute kidney injury represents an opportunity for a goals of care conversation. In this article, we share strategies through which providers can incorporate more shared decision-making when caring for these patients. The approach involves creating prognostic consensus amongst multidisciplinary teams and then relying on skilled communicators to share the prognosis. Palliative care consultation can be useful when teams need assistance in the conversations.
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Affiliation(s)
- Amar D Bansal
- Renal Electrolyte Division, Section of Palliative Care and Medical Ethics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Arpan A Patel
- Vatche and Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine at the University of California
- Greater Los Angeles Veterans Affairs Healthcare System, Gastroenterology, Hepatology and Parenteral Nutrition, Los Angeles
- VA Center for the Study of Healthcare Innovation, Implementation, and Policy (CSHIIP), North Hills, California, USA
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Legrand M, Clark AT, Neyra JA, Ostermann M. Acute kidney injury in patients with burns. Nat Rev Nephrol 2024; 20:188-200. [PMID: 37758939 DOI: 10.1038/s41581-023-00769-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2023] [Indexed: 09/29/2023]
Abstract
Burn injury is associated with a high risk of acute kidney injury (AKI) with a prevalence of AKI among patients with burns of 9-50%. Despite an improvement in burn injury survival in the past decade, AKI in patients with burns is associated with an extremely poor short-term and long-term prognosis, with a mortality of >80% among those with severe AKI. Factors that contribute to the development of AKI in patients with burns include haemodynamic alterations, burn-induced systemic inflammation and apoptosis, haemolysis, rhabdomyolysis, smoke inhalation injury, drug nephrotoxicity and sepsis. Early and late AKI after burn injury differ in their aetiologies and outcomes. Sepsis is the main driver of late AKI in patients with burns and late AKI has been associated with higher mortality than early AKI. Prevention of early AKI involves correction of hypovolaemia and avoidance of nephrotoxic drugs (for example, hydroxocobalamin), whereas prevention of late AKI involves prevention and early recognition of sepsis as well as avoidance of nephrotoxins. Treatment of AKI in patients with burns remains supportive, including prevention of fluid overload, treatment of electrolyte disturbance and use of kidney replacement therapy when indicated.
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Affiliation(s)
- Matthieu Legrand
- Department of Anaesthesia and Perioperative Care, Division of Critical Care Medicine, University of California San Francisco, San Francisco, CA, USA.
| | - Audra T Clark
- Department of General Surgery, Division of Burn, Trauma, Critical Care, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Javier A Neyra
- Department of Internal Medicine, Division of Nephrology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Marlies Ostermann
- Department of Critical Care & Nephrology, King's College London, Guy's & St Thomas' Hospital, London, UK
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Pei Y, Li T, Chen C, Huang Y, Yang Y, Zhou T, Shi M. Clinical features that predict the mortality risk in older patients with Omicron pneumonia: the MLWAP score. Intern Emerg Med 2024; 19:465-475. [PMID: 38104038 PMCID: PMC10954909 DOI: 10.1007/s11739-023-03506-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 12/06/2023] [Indexed: 12/19/2023]
Abstract
In December 2022, the Chinese suffered widespread Omicron of SARS-CoV-2 with variable symptom severity and outcome. We wanted to develop a scoring model to predict the mortality risk of older Omicron pneumonia patients by analyzing admission data. We enrolled 227 Omicron pneumonia patients aged 60 years and older, admitted to our hospital from December 15, 2022, to January 16, 2023, and divided them randomly into a 70% training set and a 30% test set. The former were used to identify predictors and develop a model, the latter to verify the model, using the area under the receiver operating characteristic curve (AUC), the Hosmer-Lemeshow goodness-of-fit test, a calibration curve to test its performance and comparing it to the existing scores. The MLWAP score was calculated based on a multivariate logistic regression model to predict mortality with a weighted score that included immunosuppression, lactate ≥ 2.4, white blood cell count ≥ 6.70 × 109/L, age ≥ 77 years, and PaO2/FiO2 ≤ 211. The AUC for the model in the training and test sets was 0.852 (95% CI, 0.792-0.912) and 0.875 (95% CI, 0.789-0.961), respectively. The calibration curves showed a good fit. We grouped the risk scores into low (score 0-7 points), medium (8-10 points), and high (11-13 points). This model had a sensitivity of 0.849, specificity of 0.714, and better predictive ability than the CURB-65 and PSI scores (AUROC = 0.859 vs. 0.788 vs. 0.801, respectively). The MLWAP-mortality score may help clinicians to stratify hospitalized older Omicron pneumonia patients into relevant risk categories, rationally allocate medical resources, and reduce the mortality.
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Affiliation(s)
- Yongjian Pei
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Soochow University, 1055 SanXiang Road, Gusu District, Suzhou, 215004, Jiangsu, China
| | - Ting Li
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Soochow University, 1055 SanXiang Road, Gusu District, Suzhou, 215004, Jiangsu, China
| | - Chen Chen
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Soochow University, 1055 SanXiang Road, Gusu District, Suzhou, 215004, Jiangsu, China
| | - Yongkang Huang
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Soochow University, 1055 SanXiang Road, Gusu District, Suzhou, 215004, Jiangsu, China
| | - Yun Yang
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Soochow University, 1055 SanXiang Road, Gusu District, Suzhou, 215004, Jiangsu, China
| | - Tong Zhou
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Soochow University, 1055 SanXiang Road, Gusu District, Suzhou, 215004, Jiangsu, China
| | - Minhua Shi
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Soochow University, 1055 SanXiang Road, Gusu District, Suzhou, 215004, Jiangsu, China.
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Asakawa S, Shibata S. Anti-adrenergic agents and the risk of postoperative acute kidney injury. Hypertens Res 2024; 47:796-798. [PMID: 38135846 DOI: 10.1038/s41440-023-01546-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 11/14/2023] [Indexed: 12/24/2023]
Affiliation(s)
- Shinichiro Asakawa
- Division of Nephrology, Department of Internal Medicine, Teikyo University School of Medicine, Itabashi City, Tokyo, Japan.
| | - Shigeru Shibata
- Division of Nephrology, Department of Internal Medicine, Teikyo University School of Medicine, Itabashi City, Tokyo, Japan.
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Jindapateep P, Sirichana W, Srisawat N, Srisuwanwattana W, Metta K, Sae-Eao N, Eiam-Ong S, Kittiskulnam P. A Proposed Predictive Equation for Energy Expenditure Estimation Among Noncritically Ill Patients With Acute Kidney Injury. J Ren Nutr 2024; 34:115-124. [PMID: 37793468 DOI: 10.1053/j.jrn.2023.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/24/2023] [Accepted: 09/24/2023] [Indexed: 10/06/2023] Open
Abstract
OBJECTIVE The incidence of acute kidney injury (AKI) is identified more frequently in noncritical compared with intensive care settings. The prognosis of malnourished AKI patients is far worse than those with normal nutritional status. However, a method for estimating the optimal amount of energy required to guide nutritional support among noncritically ill AKI patients is yet to be determined. METHODS We evaluated the performance of weight-based formulas (20-30 kcal/kg/day) with the reference values of energy expenditure (EE) measured by indirect calorimetry (IC) among noncritically ill AKI patients during hospitalization. The statistics for assessing agreement, including total deviation index and accuracy within 10% represent the percentage of estimations falling within the IC value range of ±10%, were tested. Parameters for predicting the EE equation were also developed using a regression analysis model. RESULTS A total of 40 noncritically ill AKI patients were recruited. The mean age of participants was 62.5 ± 16.5 years with 50% being male. The average IC-derived EE was 1,124.6 ± 278.9 kcal/day with respiratory quotients 0.8-1.3, indicating good validity of the IC test. Receiving dialysis, protein catabolic rate, and age was not significantly associated with measured EE. Nearly all weight-based formulas overestimated measured EE. The magnitude of total deviation index values was broad with the proportion of patients achieving an accuracy of 10% being as low as 20%. The proposed equation to predict EE derived from this study was EE (kcal/day) = 618.27 + (8.98 x weight in kg) + 137.0 if diabetes - 199.7 if female (r2 = 0.68, P < .001). In the validation study with an independent group of noncritically ill AKI patients, predicted EE using the newly derived equation was also significantly correlated with measured EE by IC (r = 0.69, P = .004). CONCLUSION Estimation of EE by weight-based formulas usually overestimated measured EE among noncritically ill AKI patients. In the absence of IC, the proposed predictive equation, specifically for noncritically ill AKI patients might be useful, in addition to weight-based formulas, for guiding caloric dosing in clinical practice.
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Affiliation(s)
- Patharasit Jindapateep
- Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Worawan Sirichana
- Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Division of Pulmonology and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Nattachai Srisawat
- Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | | | - Kamonchanok Metta
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Nareerat Sae-Eao
- Division of Pulmonology and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Somchai Eiam-Ong
- Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Piyawan Kittiskulnam
- Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Division of Internal Medicine-Nephrology, Department of Medicine, Faculty of Medicine Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand.
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Tang J, Zhong Z, Nijiati M, Wu C. Systemic inflammation response index as a prognostic factor for patients with sepsis-associated acute kidney injury: a retrospective observational study. J Int Med Res 2024; 52:3000605241235758. [PMID: 38518195 PMCID: PMC10960344 DOI: 10.1177/03000605241235758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/12/2024] [Indexed: 03/24/2024] Open
Abstract
OBJECTIVE To assess the association between the systemic inflammation response index (SIRI) and the prognosis in patients with sepsis-associated acute kidney injury (SA-AKI). METHODS In this observational study, adult patients with SA-AKI were categorized into three groups based on SIRI tertiles. Survival outcomes were compared across the three groups using Kaplan-Meier survival curves. Various Cox proportional hazards regression models were developed to determine the association between the SIRI and mortality in patients with SA-AKI. Subgroup analyses were also performed to explore the association between different SIRI tertiles and all-cause mortality. RESULTS After adjusting for several confounders, the second SIRI tertile (2.5 < SIRI < 7.6) was found to be an independent risk factor for 30-day mortality [hazard ratio (95% confidence interval): 1.19 (1.01-1.40)], 90-day mortality [1.22 (1.06-1.41)], and 365-day mortality [1.24 (1.09-1.40)]. Furthermore, high SIRI values were associated with increased risks of 30-day, 90-day, and 365-day mortality in patients with SA-AKI across all three models. The third tertile showed a significant association with adverse outcomes in most subgroups. CONCLUSIONS The SIRI serves as a comprehensive biomarker for predicting all-cause mortality of critically ill patients with SA-AKI.
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Affiliation(s)
- Jia Tang
- Graduate School of Xinjiang Medical University, Urumqi, China
| | - Zhenguang Zhong
- Department of Bioengineering, Imperial College London, London, United Kingdom
| | - Muyesai Nijiati
- Xinjiang Emergency Center, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Changdong Wu
- Xinjiang Emergency Center, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
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Qi P, Huang MJ, Wu W, Ren XW, Zhai YZ, Qiu C, Zhu HY. Exploration of potential biomarkers and therapeutic targets for trauma-related acute kidney injury. Chin J Traumatol 2024; 27:97-106. [PMID: 38296680 DOI: 10.1016/j.cjtee.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 12/02/2023] [Accepted: 01/02/2024] [Indexed: 02/02/2024] Open
Abstract
PURPOSE Acute kidney injury (AKI) is one of the most common functional injuries observed in trauma patients. However, certain trauma medications may exacerbate renal injury. Therefore, the early detection of trauma-related AKI holds paramount importance in improving trauma prognosis. METHODS Qualified datasets were selected from public databases, and common differentially expressed genes related to trauma-induced AKI and hub genes were identified through enrichment analysis and the establishment of protein-protein interaction (PPI) networks. Additionally, the specificity of these hub genes was investigated using the sepsis dataset and conducted a comprehensive literature review to assess their plausibility. The raw data from both datasets were downloaded using R software (version 4.2.1) and processed with the "affy" package19 for correction and normalization. RESULTS Our analysis revealed 585 upregulated and 629 downregulated differentially expressed genes in the AKI dataset, along with 586 upregulated and 948 downregulated differentially expressed genes in the trauma dataset. Concurrently, the establishment of the PPI network and subsequent topological analysis highlighted key hub genes, including CD44, CD163, TIMP metallopeptidase inhibitor 1, cytochrome b-245 beta chain, versican, membrane spanning 4-domains A4A, mitogen-activated protein kinase 14, and early growth response 1. Notably, their receiver operating characteristic curves displayed areas exceeding 75%, indicating good diagnostic performance. Moreover, our findings postulated a unique molecular mechanism underlying trauma-related AKI. CONCLUSION This study presents an alternative strategy for the early diagnosis and treatment of trauma-related AKI, based on the identification of potential biomarkers and therapeutic targets. Additionally, this study provides theoretical references for elucidating the mechanisms of trauma-related AKI.
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Affiliation(s)
- Peng Qi
- Department of Emergency, First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Meng-Jie Huang
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Wei Wu
- Department of Anesthesiology, First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Xue-Wen Ren
- Department of Emergency, First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Yong-Zhi Zhai
- Department of Emergency, First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Chen Qiu
- Department of Orthopedics, Fourth Medical Center of Chinese PLA General Hospital, Beijing, 100853, China.
| | - Hai-Yan Zhu
- Department of Emergency, First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China.
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Ma B, Jin G, Mao F, Zhou M, Li Y, Hu W, Cai X. Development of a nomogram to predict the incidence of acute kidney injury among ischemic stroke individuals during ICU hospitalization. Heliyon 2024; 10:e25566. [PMID: 38352771 PMCID: PMC10862667 DOI: 10.1016/j.heliyon.2024.e25566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 12/26/2023] [Accepted: 01/29/2024] [Indexed: 02/16/2024] Open
Abstract
Background Limited clinical prediction models exist to assess the likelihood of acute kidney injury (AKI) occurrence in ischemic stroke individuals. In this retrospective study, our aim was to construct a nomogram that utilizes commonly available clinical features to predict the occurrence of AKI during intensive care unit hospitalization among this patient population. Methods In this study, the MIMIC-IV database was utilized to investigate potential risk factors associated with the incidence of AKI among ischemic stroke individuals. A predictive nomogram was developed based on these identified risk factors. The discriminative performance of the constructed nomogram was assessed. Calibration analysis was utilized to evaluate the calibration performance of the constructed model, assessing the agreement between predicted probabilities and actual outcomes. Furthermore, decision curve analysis (DCA) was employed to assess the clinical net benefit, taking into account the potential risks and benefits associated with different decision thresholds. Results A total of 2089 ischemic stroke individuals were included and randomly allocated into developing (n = 1452) and verification cohorts (n = 637). Risk factors for AKI incidence in ischemic stroke individuals, determined through LASSO and logistic regression. The constructed nomogram had good performance in predicting the occurrence of AKI among ischemic stroke patients and provided significant improvement compared to existing scoring systems. DCA demonstrated satisfactory clinical net benefit of the constructed nomogram in both the validation and development cohorts. Conclusions The developed nomogram exhibits robust predictive performance in forecasting AKI occurrence in ischemic stroke individuals.
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Affiliation(s)
- Buqing Ma
- Department of Critical Care Medicine, Hangzhou First People's Hospital, Hangzhou, China
| | - Guangyong Jin
- Department of Critical Care Medicine, Hangzhou First People's Hospital, Hangzhou, China
| | - Fengkai Mao
- Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, China
| | - Menglu Zhou
- Department of Neurology, Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Yiwei Li
- Department of Critical Care Medicine, Hangzhou First People's Hospital, Hangzhou, China
| | - Wei Hu
- Department of Critical Care Medicine, Hangzhou First People's Hospital, Hangzhou, China
| | - Xuwen Cai
- Department of Critical Care Medicine, Hangzhou First People's Hospital, Hangzhou, China
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Bufkin KB, Karim ZA, Silva J. Review of the limitations of current biomarkers in acute kidney injury clinical practices. SAGE Open Med 2024; 12:20503121241228446. [PMID: 38322582 PMCID: PMC10846001 DOI: 10.1177/20503121241228446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/04/2024] [Indexed: 02/08/2024] Open
Abstract
Acute kidney injury is a prevalent disease in hospitalized patients and is continuously increasing worldwide. Various efforts have been made to define and classify acute kidney injury to understand the progression of this disease. Furthermore, deviations from structure and kidney function and the current diagnostic guidelines are not adequately placed due to baseline serum creatinine values, which are rarely known and estimated based on glomerular function rate, resulting in misclassification of acute kidney injury staging. Hence, the current guidelines are still developing to improve and understand the clinical implications of risk factors and earlier predictive biomarkers of acute kidney injury. Yet, studies have indicated disadvantages and limitations with the current acute kidney injury biomarkers, including lack of sensitivity and specificity. Therefore, the present narrative review brings together the most current evidenced-based practice and literature associated with the limitations of the gold standard for acute kidney injury diagnoses, the need for novel acute kidney injury biomarkers, and the process for biomarkers to be qualified for diagnostic use under the following sections and themes. The introduction section situates the anatomy and normal and abnormal kidney functions related to acute kidney injury disorders. Guidelines in providing acute kidney injury definitions and classification are then considered, followed by a discussion of the disadvantages of standard markers used to diagnose acute kidney injury. Characteristics of an ideal acute kidney injury biomarker are discussed concerning sensitivity, specificity, and anatomic location of injury. A particular focus on the role and function of emerging biomarkers is discussed in relation to their applications and significance to the prognosis and severity of acute kidney injury. Findings show emerging markers are early indicators of acute kidney injury prediction in different clinical settings. Finally, the process required for a biomarker to be applied for diagnostic use is explained.
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Affiliation(s)
- Kendra B Bufkin
- Department of Interdisciplinary Health Science, College of Allied Health Science, Augusta University, Augusta, GA, USA
| | - Zubair A Karim
- Department of Interdisciplinary Health Science, College of Allied Health Science, Augusta University, Augusta, GA, USA
| | - Jeane Silva
- Department of Health Management, Economics and Policy, Augusta University, Augusta, GA, USA
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