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Wang C, Wang X, Zhang H, Liu D, Zhang C. Effect of Norepinephrine on Peripheral Perfusion Index and Its Association With the Prognosis of Patients With Sepsis. J Intensive Care Med 2024; 39:21-27. [PMID: 37431214 DOI: 10.1177/08850666231187333] [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] [Indexed: 07/12/2023]
Abstract
Background: To evaluate whether the use of norepinephrine during the management of patients with sepsis affects the perfusion index (PI) and patient outcomes. Methods: We retrospectively studied patients with septic shock between January 2014 and December 2018 who had undergone Pulse index Continuous Cardiac Output-Plus cardiac output monitoring and received norepinephrine during the management. We collected data regarding basic clinical characteristics. Hemodynamic parameters, including lactate, PI, and norepinephrine dose at T0 and 24 h after Pulse index Continuous Cardiac Output catheterization (T24) were obtained. Results: The PI of the nonsurvivor group (n = 44) was significantly lower than that of the survivor group (n = 144) at T24, and the lactate level of the nonsurvivor group was significantly higher than that of the survivor group. The multiple logistic regression analysis suggested that the norepinephrine dose and PI were the most independent risk and protective factors, respectively, for intensive care unit mortality. The area under the curve for a poor prognosis was 0.847 (95% confidence interval, 0.782-0.912). The optimal cutoff value of the PI at T24 to predict intensive care unit mortality was 0.6, with a sensitivity of 77.1% and a specificity of 80%. Based on this optimal cutoff value, we divided patients into groups with PI ≥ 0.6 (n = 125) and PI < 0.6 (n = 59). The lactate level of the PI < 0.6 group was higher than that of the PI ≥ 0.6 group at T24. The PI < 0.6 group showed a significantly higher sublingual dose of norepinephrine indicators than the PI ≥ 0.6 group. The PI showed a strong negative correlation with norepinephrine dose (r = -0.344, P < .001) and lactate (r = -0.291, P < .001). Conclusions: A higher PI is a protective factor, and a higher dose of norepinephrine is a risk factor for the prognosis of critically ill patients with septic shock. A lower PI was associated with a higher dose of norepinephrine.
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Affiliation(s)
- Cui Wang
- Department of Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xiaoting Wang
- Department of Critical Care Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China
| | - Hongmin Zhang
- Department of Critical Care Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China
| | - Dawei Liu
- Department of Critical Care Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China
| | - Chengyuan Zhang
- Department of Respiratory and Critical Care Medicine, Feidong County Hospital of Traditional Chinese Medicine, Hefei, China
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2
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Dai A, Zhou Z, Jiang F, Guo Y, Asante DO, Feng Y, Huang K, Chen C, Shi H, Si Y, Zou J. Incorporating intraoperative blood pressure time-series variables to assist in prediction of acute kidney injury after type a acute aortic dissection repair: an interpretable machine learning model. Ann Med 2023; 55:2266458. [PMID: 37813109 PMCID: PMC10563625 DOI: 10.1080/07853890.2023.2266458] [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: 06/19/2023] [Accepted: 09/24/2023] [Indexed: 10/11/2023] Open
Abstract
BACKGROUND Acute kidney injury (AKI) is a common and serious complication after the repair of Type A acute aortic dissection (TA-AAD). However, previous models have failed to account for the impact of blood pressure fluctuations on predictive performance. This study aims to develop machine learning (ML) models combined with intraoperative medicine and blood pressure time-series data to improve the accuracy of early prediction for postoperative AKI risk. METHODS Indicators reflecting the duration and depth of hypotension were obtained by analyzing continuous mean arterial pressure (MAP) monitored intraoperatively with multiple thresholds (<65, 60, 55, 50) set in the study. The predictive features were selected by logistic regression and the least absolute shrinkage and selection operator (LASSO), and 4 ML models were built based on the above features. The performance of the models was evaluated by area under receiver operating characteristic curve (AUROC), calibration curve and decision curve analysis (DCA). Shapley additive interpretation (SHAP) was used to explain the prediction models. RESULTS Among the indicators reflecting intraoperative hypotension, 65 mmHg showed a statistically superior difference to other thresholds in patients with or without AKI (p < .001). Among 4 models, the extreme gradient boosting (XGBoost) model demonstrated the highest AUROC: 0.800 (95% 0.683-0.917) and sensitivity: 0.717 in the testing set and was verified the best-performing model. The SHAP summary plot indicated that intraoperative urine output, cumulative time of mean arterial pressure lower than 65 mmHg outside cardiopulmonary bypass (OUT_CPB_MAP_65 time), autologous blood transfusion, and smoking were the top 4 features that contributed to the prediction model. CONCLUSION With the introduction of intraoperative blood pressure time-series variables, we have developed an interpretable XGBoost model that successfully achieve high accuracy in predicting the risk of AKI after TA-AAD repair, which might aid in the perioperative management of high-risk patients, particularly for intraoperative hemodynamic regulation.
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Affiliation(s)
- Anran Dai
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Zhou Zhou
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Fan Jiang
- Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Yaoyi Guo
- Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Dorothy O. Asante
- Department of Preventive Medicine and Public Health Laboratory Science, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Yue Feng
- Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Kaizong Huang
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Chen Chen
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Hongwei Shi
- Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Yanna Si
- Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Jianjun Zou
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
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Yu Y, Gong Y, Hu B, Ouyang B, Pan A, Liu J, Liu F, Shang XL, Yang XH, Tu G, Wang C, Ma S, Fang W, Liu L, Liu J, Chen D. Expert consensus on blood pressure management in critically ill patients. JOURNAL OF INTENSIVE MEDICINE 2023; 3:185-203. [PMID: 37533806 PMCID: PMC10391579 DOI: 10.1016/j.jointm.2023.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/02/2023] [Accepted: 06/08/2023] [Indexed: 08/04/2023]
Affiliation(s)
- Yuetian Yu
- Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200001, China
| | - Ye Gong
- Department of Critical Care Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Bo Hu
- Department of Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei, China
| | - Bin Ouyang
- Department of Critical Care Medicine, The First Affiliated Hospital of SunYatsen University, Guangzhou 510080, Guangdong, China
| | - Aijun Pan
- Department of Critical Care Medicine, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Hefei 230001, Anhui, China
| | - Jinglun Liu
- Department of Emergency Medicine and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Fen Liu
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanchang University, Nanchang 330000, Jiangxi, China
| | - Xiu-Ling Shang
- Department of Critical Care Medicine, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Center for Critical Care Medicine, Fujian Provincial Key Laboratory of Critical Care Medicine, Fuzhou 350001 Fujian, China
| | - Xiang-Hong Yang
- Department of Intensive Care Unit, Emergency & Intensive Care Unit Center, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310014 Zhejiang, China
| | - Guowei Tu
- Cardiac Intensive Care Center, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Changsong Wang
- Department of Critical Care Medicine, the First Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China
| | - Shaolin Ma
- Department of Critical Care Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Wei Fang
- Department of Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong First Medical University, Jinan, 250014 Shandong, China
| | - Ling Liu
- Department of Critical Care Medicine, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009 Jiangsu, China
| | - Jiao Liu
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Dechang Chen
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
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4
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Wang Y, Xu J, Zhang J, Xu H, Sun Y, Miao Y, Wen T. SIAP: an intelligent algorithm for multiple prescription pattern recognition based on weighted similarity distances. BMC Med Inform Decis Mak 2023; 23:79. [PMID: 37143043 PMCID: PMC10157906 DOI: 10.1186/s12911-023-02141-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 03/10/2023] [Indexed: 05/06/2023] Open
Abstract
BACKGROUND Clinical practices have demonstrated that disease treatment can be very complex. Patients with chronic diseases often suffer from more than one disease. Complex diseases are often treated with a variety of drugs, including both primary and auxiliary treatments. This complexity and multidimensionality increase the difficulty of extracting knowledge from clinical data. METHODS In this study, we proposed a subgroup identification algorithm for complex prescriptions (SIAP). We applied the SIAP algorithm to identify the importance level of each drug in complex prescriptions. The algorithm quickly classified and determined valid prescription combinations for patients. The algorithm was validated through classification matching of classical prescriptions in traditional Chinese medicine. We collected 376 formulas and their compositions from a formulary to construct a database of standard prescriptions. We also collected 1438 herbal prescriptions from clinical data for automated prescription identification. The prescriptions were divided into training and test sets. Finally, the parameters of the two sub-algorithms of SIAP and SIAP-All, as well as those of the combination algorithm SIAP + All, were optimized on the training set. A comparison analysis was performed against the baseline intersection set rate (ISR) algorithm. The algorithm for this study was implemented with Python 3.6. RESULTS The SIAP-All and SIAP + All algorithms outperformed the benchmark ISR algorithm in terms of accuracy, recall, and F1 value. The F1 values were 0.7568 for SIAP-All and 0.7799 for SIAP + All, showing improvements of 8.73% and 11.04% over the existing ISR algorithm, respectively. CONCLUSION We developed an algorithm, SIAP, to automatically match sub-prescriptions of complex drugs with corresponding standard or classic prescriptions. The matching algorithm weights the drugs in the prescription according to their importance level. The results of this study can help to classify and analyse the drug compositions of complex prescriptions.
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Affiliation(s)
- Yifei Wang
- Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Julia Xu
- The University of Melbourne, Melbourne, VIC, 3010, Australia
| | - Jie Zhang
- Institute of Information Engineering, Chinese Academy of Sciences, Beijing, 100085, China
| | - Hong Xu
- College of Engineering and Science, Victoria University, Melbourne, VIC, 3000, Australia
| | - Yuzhong Sun
- Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100080, China
| | - Yuan Miao
- College of Engineering and Science, Victoria University, Melbourne, VIC, 3000, Australia.
| | - Tiancai Wen
- Data Center of Traditional Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
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5
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Liang Z, Yue S, Zhong J, Wu J, Chen C. Associations of systolic blood pressure and in-hospital mortality in critically ill patients with acute kidney injury. Int Urol Nephrol 2023:10.1007/s11255-023-03510-7. [PMID: 36840802 DOI: 10.1007/s11255-023-03510-7] [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: 11/08/2022] [Accepted: 02/06/2023] [Indexed: 02/26/2023]
Abstract
PURPOSE Although systolic blood pressure (SBP) is associated with acute renal injury (AKI), the relationship between baseline SBP and prognosis in critically ill patients with AKI is unclear. We aimed to assess the linearity and profile of the relationship between SBP at intensive care unit (ICU) admission and in-hospital mortality in these patients. METHODS Data of AKI patients in the ICU settings were extracted from the Medical Information Mart for Intensive Care III database. The association between seven SBP categories (< 100, 100-109, 110-119, 120-129, 130-139, 140-149, and ≥ 150 mmHg) and all-cause in-hospital mortality was assessed by Cox proportional hazard models. Restricted cubic spline analysis for the multivariate Cox model was performed to explore the shape of the relationship between SBP and mortality. RESULTS A total of 24,202 patients with AKI were included in this study. A typically U-shaped relationship was found between SBP at admission and in-hospital mortality. Among all SBP categories, the lowest risk of death was observed in patients with SBP around 110-119 mmHg, whereas the highest was noted in patients with extremely low SBP (< 100 mmHg), followed by those with extremely high SBP (≥ 150 mmHg). SBP showed a significant interaction with vasopressor use and AKI stage in relation to the risk of in-hospital mortality. CONCLUSIONS SBP upon admission showed a non-linear association with all-cause in-hospital mortality in critically ill patients with AKI. Patients with low or high SBP show an increased risk of mortality compared to patients with normal SBP.
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Affiliation(s)
- Zheng Liang
- The First Clinical Medical College of Jinan University, Guangzhou, 510632, China.,Department of Vasculocardiology, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Suru Yue
- Clinical Research Service Center, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, Guangdong, China
| | - Jianfeng Zhong
- Department of Vasculocardiology, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Jiayuan Wu
- Clinical Research Service Center, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, Guangdong, China.
| | - Can Chen
- The First Clinical Medical College of Jinan University, Guangzhou, 510632, China.
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6
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Norepinephrine and Vasopressin in Hemorrhagic Shock: A Focus on Renal Hemodynamics. Int J Mol Sci 2023; 24:ijms24044103. [PMID: 36835514 PMCID: PMC9967703 DOI: 10.3390/ijms24044103] [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: 01/02/2023] [Revised: 02/01/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
During hemorrhagic shock, blood loss causes a fall in blood pressure, decreases cardiac output, and, consequently, O2 transport. The current guidelines recommend the administration of vasopressors in addition to fluids to maintain arterial pressure when life-threatening hypotension occurs in order to prevent the risk of organ failure, especially acute kidney injury. However, different vasopressors exert variable effects on the kidney, depending on the nature and dose of the substance chosen as follows: Norepinephrine increases mean arterial pressure both via its α-1-mediated vasoconstriction leading to increased systemic vascular resistance and its β1-related increase in cardiac output. Vasopressin, through activation of V1-a receptors, induces vasoconstriction, thus increasing mean arterial pressure. In addition, these vasopressors have the following different effects on renal hemodynamics: Norepinephrine constricts both the afferent and efferent arterioles, whereas vasopressin exerts its vasoconstrictor properties mainly on the efferent arteriole. Therefore, this narrative review discusses the current knowledge of the renal hemodynamic effects of norepinephrine and vasopressin during hemorrhagic shock.
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7
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Mishra RC, Sodhi K, Prakash KC, Tyagi N, Chanchalani G, Annigeri RA, Govil D, Savio RD, Subbarayan B, Arora N, Chatterjee R, Chacko J, Khasne RW, Chakravarthi RM, George N, Ahmed A, Javeri Y, Chhallani AK, Khanikar RG, Margabandhu S, Lopa AJ, Chaudhry D, Samavedam S, Kar A, Dixit SB, Gopal P. ISCCM Guidelines on Acute Kidney Injury and Renal Replacement Therapy. Indian J Crit Care Med 2022; 26:S13-S42. [PMID: 36896356 PMCID: PMC9989875 DOI: 10.5005/jp-journals-10071-24109] [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: 10/03/2021] [Accepted: 01/31/2022] [Indexed: 11/09/2022] Open
Abstract
Acute kidney injury (AKI) is a complex syndrome with a high incidence and considerable morbidity in critically ill patients. Renal replacement therapy (RRT) remains the mainstay of treatment for AKI. There are at present multiple disparities in uniform definition, diagnosis, and prevention of AKI and timing of initiation, mode, optimal dose, and discontinuation of RRT that need to be addressed. The Indian Society of Critical Care Medicine (ISCCM) AKI and RRT guidelines aim to address the clinical issues pertaining to AKI and practices to be followed for RRT, which will aid the clinicians in their day-to-day management of ICU patients with AKI. How to cite this article Mishra RC, Sodhi K, Prakash KC, Tyagi N, Chanchalani G, Annigeri RA, et al. ISCCM Guidelines on Acute Kidney Injury and Renal Replacement Therapy. Indian J Crit Care Med 2022;26(S2):S13-S42.
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Affiliation(s)
- Rajesh C Mishra
- EPIC Hospital, Sanjivani Super Speciality Hospital, Ahmedabad, Gujarat, India
| | | | | | - Niraj Tyagi
- Institute of Critical Care Medicine, Sir Ganga Ram Hospital, New Delhi, India
| | | | - Rajeev A Annigeri
- Department of Nephrology, Apollo Hospital, Chennai, Tamil Nadu, India
| | - Deepak Govil
- Institute of Critical Care and Anaesthesiology, Medanta, Gurugram, Haryana, India
| | - Raymond D Savio
- Department of Critical Care Medicine, Apollo Proton Cancer Centre, Chennai, Tamil Nadu, India
| | | | - Nitin Arora
- Department of Intensive Care, University Hospitals Birmingham, Birmingham, West Midlands, United Kingdom
| | - Ranajit Chatterjee
- Department of Anaesthesiology and Critical Care, Swami Dayanand Hospital, New Delhi, India
| | - Jose Chacko
- Narayana Health City, Bengaluru, Karnataka, India
| | - Ruchira W Khasne
- Department of Critical Care Medicine, SMBT Institute of Medical Sciences and Research Centre, Nashik, Maharashtra, India
| | | | - Nita George
- VPS Lakeshore Hospital, Kochi, Kerala, India
| | - Ahsan Ahmed
- KPC Medical College and Hospital, Kolkata, West Bengal, India
| | - Yash Javeri
- Department of Critical Care, Anesthesia and Emergency Medicine, Regency Super Speciality Hospital, Lucknow, Uttar Pradesh, India
| | | | - Reshu G Khanikar
- Department of Critical Care Medicine, Health City Hospital, Guwahati, Assam, India
| | | | - Ahsina J Lopa
- Intensive Care Unit, MH Samorita Hospital and Medical College, Tejgaon, Dhaka, Bangladesh
| | | | - Srinivas Samavedam
- Department of Critical Care, Vrinchi Hospital, Hyderabad, Telangana, India
| | - Arindam Kar
- Reliance Hospital, Mumbai, Maharashtra, India
| | - Subhal B Dixit
- Department of Critical Care, Sanjeevan and MJM Hospital, Pune, Maharashtra, India
| | - Palepu Gopal
- Department of Critical Care Medicine, Continental Hospitals, Hyderabad, Telangana, India
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8
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Different Acute Kidney Injury Patterns after Renal Ischemia Reperfusion Injury and Extracorporeal Membrane Oxygenation in Mice. Int J Mol Sci 2022; 23:ijms231911000. [PMID: 36232304 PMCID: PMC9570202 DOI: 10.3390/ijms231911000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 09/03/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
The use of extracorporeal membrane oxygenation (ECMO) is associated with acute kidney injury (AKI) in thoracic organ transplantation. However, multiple other factors contribute to AKI development after these procedures such as renal ischemia-reperfusion injury (IRI) due to hypo-perfusion of the kidney during surgery. In this study, we aimed to explore the kidney injury patterns in mouse models of ECMO and renal IRI. Kidneys of C57BL/6 mice were examined after moderate (35 min) and severe (45 min) unilateral transient renal pedicle clamping and 2 h of veno-venous ECMO. Renal injury markers, neutrophil infiltration, tubular transport function, pro-inflammatory cytokines, and renal heme oxygenase-1 (HO-1) expression were determined by immunofluorescence and qPCR. Both procedures caused AKI, but with different injury patterns. Severe neutrophil infiltration of the kidney was evident after renal IRI, but not following ECMO. Tubular transport function was severely impaired after renal IRI, but preserved in the ECMO group. Both procedures caused upregulation of pro-inflammatory cytokines in the renal tissue, but with different time kinetics. After ECMO, but not IRI, HO-1 was strongly induced in tubular cells indicating contact with hemolysis-derived proteins. After IRI, HO-1 was expressed on infiltrating myeloid cells in the tubulo-interstitial space. In conclusion, renal IRI and ECMO both caused AKI, but kidney damage after renal IRI was more pronounced including severe neutrophil infiltration and tubular transport impairment. Enhanced HO-1 expression in tubular cells after ECMO encourages limitation of hemolysis as a therapeutic approach to reduce ECMO-associated AKI.
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Vandenberghe W, Bové T, De Somer F, Herck I, François K, Peperstraete H, Dhondt A, Martens T, Schaubroeck H, Philipsen T, Czapla J, Claus I, De Waele JJ, Hoste EAJ. Impact of mean perfusion pressure and vasoactive drugs on occurrence and reversal of cardiac surgery-associate acute kidney injury: A cohort study. J Crit Care 2022; 71:154101. [PMID: 35763994 DOI: 10.1016/j.jcrc.2022.154101] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 06/09/2022] [Accepted: 06/18/2022] [Indexed: 10/17/2022]
Abstract
PURPOSE Low cardiac output and kidney congestion are associated with acute kidney injury after cardiac surgery (CSA-AKI). This study investigates hemodynamics on CSA-AKI development and reversal. MATERIALS AND METHODS Adult patients undergoing cardiac surgery were retrospectively included. Hemodynamic support was quantified using a new time-weighted vaso-inotropic score (VISAUC), and hemodynamic variables expressed by mean perfusion pressure and its components. The primary outcome was AKI stage ≥2 (CSA-AKI ≥2) and secondary outcome full AKI reversal before ICU discharge. RESULTS 3415 patients were included. CSA-AKI ≥2 occurred in 37.4%. Mean perfusion pressure (MPP) (OR 0.95,95%CI 0.94-0.96, p < 0.001); and central venous pressure (CVP) (OR 1.17, 95%CI 1.13-1.22, p < 0.001) are associated with CSA-AKI ≥2 development, while VISAUC/h was not (p = 0.104). Out of 1085 CSA-AKI ≥2 patients not requiring kidney replacement therapy, 76.3% fully recovered of AKI. Full CSA-AKI reversal was associated with MPP (OR 1.02 per mmHg (95%CI 1.01-1.03, p = 0.003), and MAP (OR = 1.01 per mmHg (95%CI 1.00-1.02), p = 0.047), but not with VISAUC/h (p = 0.461). CONCLUSION Development and full recovery of CSA-AKI ≥2 are affected by mean perfusion pressure, independent of vaso-inotropic use. CVP had a significant effect on AKI development, while MAP on full AKI reversal.
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Affiliation(s)
- Wim Vandenberghe
- Department of Critical Care Medicine, Ghent University Hospital, Ghent, Belgium.
| | - Thierry Bové
- Department of Cardiac Surgery, Ghent University Hospital, Ghent University, Ghent, Belgium
| | - Filip De Somer
- Department of Cardiac Surgery, Ghent University Hospital, Ghent University, Ghent, Belgium
| | - Ingrid Herck
- Department of Critical Care Medicine, Ghent University Hospital, Ghent, Belgium
| | - Katrien François
- Department of Cardiac Surgery, Ghent University Hospital, Ghent University, Ghent, Belgium
| | | | - Annemieke Dhondt
- Department of Nephrology, Ghent University Hospital, Ghent University, Ghent, Belgium
| | - Thomas Martens
- Department of Cardiac Surgery, Ghent University Hospital, Ghent University, Ghent, Belgium
| | - Hannah Schaubroeck
- Department of Critical Care Medicine, Ghent University Hospital, Ghent, Belgium
| | - Tine Philipsen
- Department of Cardiac Surgery, Ghent University Hospital, Ghent University, Ghent, Belgium
| | - Jens Czapla
- Department of Cardiac Surgery, Ghent University Hospital, Ghent University, Ghent, Belgium
| | - Isabelle Claus
- Department of Cardiac Surgery, Ghent University Hospital, Ghent University, Ghent, Belgium
| | - Jan J De Waele
- Department of Critical Care Medicine, Ghent University Hospital, Ghent, Belgium; Research Foundation-Flanders (FWO), Brussels, Belgium
| | - Eric A J Hoste
- Department of Critical Care Medicine, Ghent University Hospital, Ghent, Belgium; Research Foundation-Flanders (FWO), Brussels, Belgium
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10
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Legrand M, Zarbock A. Ten tips to optimize vasopressors use in the critically ill patient with hypotension. Intensive Care Med 2022; 48:736-739. [PMID: 35504977 DOI: 10.1007/s00134-022-06708-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/16/2022] [Indexed: 01/04/2023]
Affiliation(s)
- Matthieu Legrand
- Department of Anesthesia and Perioperative Care, Division of Critical Care Medicine, University of California, San Francisco (UCSF), 505 Parnassus Avenue, San Francisco, CA, 94143, USA. .,INI-CRCT Network, Nancy, France.
| | - Alexander Zarbock
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
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11
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Szabó-Biczók A, Varga G, Varga Z, Bari G, Vigyikán G, Gajda Á, Vida N, Hodoniczki Á, Rutai A, Juhász L, Nászai A, Gyöngyösi M, Turkevi-Nagy S, Érces D, Boros M. Veno-Venous Extracorporeal Membrane Oxygenation in Minipigs as a Robust Tool to Model Acute Kidney Injury: Technical Notes and Characteristics. Front Med (Lausanne) 2022; 9:866667. [PMID: 35573013 PMCID: PMC9097577 DOI: 10.3389/fmed.2022.866667] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 04/08/2022] [Indexed: 01/04/2023] Open
Abstract
Objective Veno-venous extracorporeal membrane oxygenation (vv-ECMO) can save lives in severe respiratory distress, but this innovative approach has serious side-effects and is accompanied by higher rates of iatrogenic morbidity. Our aims were, first, to establish a large animal model of vv-ECMO to study the pathomechanism of complications within a clinically relevant time frame and, second, to investigate renal reactions to increase the likelihood of identifying novel targets and to improve clinical outcomes of vv-ECMO-induced acute kidney injury (AKI). Methods Anesthetized Vietnamese miniature pigs were used. After cannulation of the right jugular and femoral veins, vv-ECMO was started and maintained for 24 hrs. In Group 1 (n = 6) ECMO was followed by a further 6-hr post-ECMO period, while (n = 6) cannulation was performed without ECMO in the control group, with observation maintained for 30 h. Systemic hemodynamics, blood gas values and hour diuresis were monitored. Renal artery flow (RAF) was measured in the post-ECMO period with an ultrasonic flowmeter. At the end of the experiments, renal tissue samples were taken for histology to measure myeloperoxidase (MPO) and xanthine oxidoreductase (XOR) activity and to examine mitochondrial function with high-resolution respirometry (HRR, Oroboros, Austria). Plasma and urine samples were collected every 6 hrs to determine neutrophil gelatinase-associated lipocalin (NGAL) concentrations. Results During the post-ECMO period, RAF dropped (96.3 ± 21 vs. 223.6 ± 32 ml/min) and, similarly, hour diuresis was significantly lower as compared to the control group (3.25 ± 0.4 ml/h/kg vs. 4.83 ± 0.6 ml/h/kg). Renal histology demonstrated significant structural damage characteristic of ischemic injury in the tubular system. In the vv-ECMO group NGAL levels, rose significantly in both urine (4.24 ± 0.25 vs. 2.57 ± 0.26 ng/ml) and plasma samples (4.67 ± 0.1 vs. 3.22 ± 0.2 ng/ml), while tissue XOR (5.88 ± 0.8 vs. 2.57 ± 0.2 pmol/min/mg protein) and MPO (11.93 ± 2.5 vs. 4.34 ± 0.6 mU/mg protein) activity was elevated. HRR showed renal mitochondrial dysfunction, including a significant drop in complex-I-dependent oxidative capacity (174.93 ± 12.7 vs. 249 ± 30.07 pmol/s/ml). Conclusion Significantly decreased renal function with signs of structural damage and impaired mitochondrial function developed in the vv-ECMO group. The vv-ECMO-induced acute renal impairment in this 30-hr research protocol provides a good basis to study the pathomechanism, biomarker combinations or possible therapeutic possibilities for AKI.
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Affiliation(s)
- Antal Szabó-Biczók
- Division of Cardiac Surgery, Second Department of Internal Medicine and Cardiology Center, University of Szeged, Szeged, Hungary
| | - Gabriella Varga
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Zoltán Varga
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Gábor Bari
- Division of Cardiac Surgery, Second Department of Internal Medicine and Cardiology Center, University of Szeged, Szeged, Hungary
| | | | - Ámos Gajda
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Noémi Vida
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Ádám Hodoniczki
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Attila Rutai
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - László Juhász
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Anna Nászai
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Máté Gyöngyösi
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | | | - Dániel Érces
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Mihály Boros
- Institute of Surgical Research, University of Szeged, Szeged, Hungary
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Marchiset A, Jamme M. When the Renal (Function) Begins to Fall: A Mini-Review of Acute Kidney Injury Related to Acute Respiratory Distress Syndrome in Critically Ill Patients. FRONTIERS IN NEPHROLOGY 2022; 2:877529. [PMID: 37675005 PMCID: PMC10479595 DOI: 10.3389/fneph.2022.877529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 03/21/2022] [Indexed: 09/08/2023]
Abstract
Acute kidney injury (AKI) is one of the most frequent causes of organ failure encountered in patients in the intensive care unit (ICU). Because of its predisposition to occur in the most critically ill patients, it is not surprising to observe a high frequency of AKI in patients with acute respiratory distress syndrome (ARDS). However, few studies have been carried out to assess the epidemiology of AKI in subgroups of ARDS patients using recommended KDIGO criteria. Moreover, the mechanisms involved in the physio-pathogenesis of AKI are still poorly understood, in particular the impact of mechanical ventilation on the kidneys. We carried out a review of the literature, focusing on the epidemiology and physiopathology of AKI in patients with ARDS admitted to the ICU. We addressed the importance of clinical management, focusing on mechanical ventilation for improving outcomes, on AKI. Finally, we also propose candidate treatment strategies and management perspectives. Our literature search showed that AKI is particularly common in ICU patients with ARDS. In association with the classic risk factors for AKI, such as comorbidities and iatrogeny, changes in mechanical ventilation parameters, which have been exclusively evaluated for their outcomes on respiratory function and death, must be considered carefully in terms of their impact on the short-term renal prognosis.
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Affiliation(s)
- Antoine Marchiset
- Service de Médecine Intensive Réanimation, Centre Hospitalier de Poissy-Saint Germain en Laye, Poissy, France
| | - Matthieu Jamme
- Service de Réanimation, Hôpital Privé de l’Ouest Parisien, Ramsay Générale de Santé, Trappes, France
- INSERM UMR 1018, Equipe Epidémiologie Clinique, CESP, Villejuif, France
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13
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Lankadeva YR, May CN, Bellomo R, Evans RG. Role of perioperative hypotension in postoperative acute kidney injury: a narrative review. Br J Anaesth 2022; 128:931-948. [DOI: 10.1016/j.bja.2022.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 02/17/2022] [Accepted: 03/01/2022] [Indexed: 12/20/2022] Open
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Lee S, Park D, Ju JW, Bae J, Cho YJ, Nam K, Jeon Y. Relationship between intraoperative dopamine infusion and postoperative acute kidney injury in patients undergoing open abdominal aorta aneurysm repair. BMC Anesthesiol 2022; 22:82. [PMID: 35346048 PMCID: PMC8962567 DOI: 10.1186/s12871-022-01624-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 03/09/2022] [Indexed: 11/17/2022] Open
Abstract
Background Acute kidney injury (AKI) is one of the most common complications in patients undergoing open abdominal aortic aneurysm (AAA) repair. Dopamine has been frequently used in these patients to prevent AKI. We aimed to clarify the relationship between intraoperative dopamine infusion and postoperative AKI in patients undergoing open AAA repair. Methods We analyzed 294 patients who underwent open AAA repair at a single tertiary center from 2009 to 2018, retrospectively. The primary outcome was the incidence of postoperative AKI, determined by the Kidney Disease Improving Global Outcomes definition, after open AAA repair. Secondary outcomes included survival outcome, hospital and intensive care unit length of stay, and postoperative renal replacement therapy (RRT). Results Postoperative AKI occurred in 21.8% (64 out of 294 patients) The risk of postoperative AKI by intraoperative dopamine infusion was greater after adjusting for risk factors (odds ratio [OR] 2.56; 95% confidence interval [CI], 1.09–5.89; P = 0.028) and after propensity score matching (OR 3.22; 95% CI 1.12–9.24; P = 0.030). On the contrary, intraoperative norepinephrine use was not associated with postoperative AKI (use vs. no use; 19.3 vs. 22.4%; P = 0.615). Patients who used dopamine showed higher requirement for postoperative RRT (6.8 vs. 1.2%; P = 0.045) and longer hospital length of stay (18 vs. 16 days, P = 0.024). Conclusions Intraoperative dopamine infusion was associated with more frequent postoperative AKI, postoperative RRT, and longer hospital length of stay in patients undergoing AAA repair, when compared to norepinephrine. Further prospective randomized clinical trial may be necessary for this topic. Supplementary Information The online version contains supplementary material available at 10.1186/s12871-022-01624-6.
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15
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Nam K, Jeon Y. Microcirculation during surgery. Anesth Pain Med (Seoul) 2022; 17:24-34. [PMID: 35139609 PMCID: PMC8841265 DOI: 10.17085/apm.22127] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 01/13/2022] [Indexed: 11/17/2022] Open
Abstract
Throughout the long history of surgery, there has been great advancement in the hemodynamic management of surgical patients. Traditionally, hemodynamic management has focused on macrocirculatory monitoring and intervention to maintain appropriate oxygen delivery. However, even after optimization of macro-hemodynamic parameters, microcirculatory dysfunction, which is related to higher postoperative complications, occurs in some patients. Although the clinical significance of microcirculatory dysfunction has been well reported, little is known about interventions to recover microcirculation and prevent microcirculatory dysfunction. This may be at least partly caused by the fact that the feasibility of monitoring tools to evaluate microcirculation is still insufficient for use in routine clinical practice. However, considering recent advancements in these research fields, with more popular use of microcirculation monitoring and more clinical trials, clinicians may better understand and manage microcirculation in surgical patients in the future. In this review, we describe currently available methods for microcirculatory evaluation. The current knowledge on the clinical relevance of microcirculatory alterations has been summarized based on previous studies in various clinical settings. In the latter part, pharmacological and clinical interventions to improve or restore microcirculation are also presented.
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Affiliation(s)
| | - Yunseok Jeon
- Corresponding author: Yunseok Jeon, M.D., Ph.D. Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul 03080, Korea Tel: 82-2-2072-3108, Fax: 82-2-747-8363 E-mail:
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Velho TR, Pereira RM, Guerra NC, Ferreira H, Sena A, Ferreira R, Nobre Â. Low Mean Arterial Pressure During Cardiopulmonary Bypass and the Risk of Acute Kidney Injury: A Propensity Score Matched Observational Study. Semin Cardiothorac Vasc Anesth 2021; 26:179-186. [PMID: 34720005 DOI: 10.1177/10892532211045765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Low mean arterial pressure (MAP) periods occur frequently during cardiopulmonary bypass (CPB), and their management remains controversial. Our aim was to correlate MAP during CPB with the occurrence of post-operative acute kidney injury (AKI), considering two different parameters: consecutive and cumulative low MAP periods. METHODS Single-centre observational retrospective study including 250 patients submitted to non-emergent aortic valve replacement, with tepid to mild hypothermia (not below 32°C). The primary outcome was the occurrence of AKI. A propensity scored matching of 43 patients was used to adjust both populations (AKI and No AKI). MAP measures were automatically and continuously recorded during CPB. Low MAP periods were analysed employing two parameters: consecutive and the cumulative sum of time. RESULTS Patients who experienced at least 5 min with MAP <50 mmHg had an increased risk of post-operative AKI (OR infinity; 95% CI, 1.47 to infinity; P = .026). The risk is also significant with MAP <40 mmHg (OR 2.78; 95% CI 1.1-6.9; = .044) and <30 mmHg (OR 3.36; 95% CI 1.2-9.2; P = .029). Post-operative AKI was associated with cumulative and consecutive periods of low MAP. Patients with periods of low MAP had higher levels of post-operative creatinine and reduced glomerular filtration rate (GFR). Patients with AKI had prolonged endotracheal ventilation time, and ICU and ward lengths of stay. CONCLUSION Low MAP periods during CPB are associated with an increased occurrence of post-operative AKI, leading to 1) higher creatinine levels; 2) decreased GFR and 3) longer ICU and ward lengths of stay. Both consecutive and cumulative periods of low MAP are associated with an increased risk of AKI. MAP appears to be an important contributor to post-operative AKI and should be carefully managed during CPB. Further studies must address if MAP variations lead to definitive and long-term consequences.
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Affiliation(s)
- Tiago R Velho
- Cardiothoracic Surgery Department, 70899Hospital de Santa Maria, CHLN, Lisboa, Portugal, Lisboa, Portugal.,Innate Immunity and Inflammation Laboratory, 70899Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Rafael M Pereira
- Cardiothoracic Surgery Department, 70899Hospital de Santa Maria, CHLN, Lisboa, Portugal, Lisboa, Portugal
| | - Nuno C Guerra
- Cardiothoracic Surgery Department, 70899Hospital de Santa Maria, CHLN, Lisboa, Portugal, Lisboa, Portugal
| | - Hugo Ferreira
- Cardiothoracic Surgery Department, 70899Hospital de Santa Maria, CHLN, Lisboa, Portugal, Lisboa, Portugal
| | - André Sena
- Cardiothoracic Surgery Department, 70899Hospital de Santa Maria, CHLN, Lisboa, Portugal, Lisboa, Portugal
| | - Ricardo Ferreira
- Cardiothoracic Surgery Department, 70899Hospital de Santa Maria, CHLN, Lisboa, Portugal, Lisboa, Portugal
| | - Ângelo Nobre
- Cardiothoracic Surgery Department, 70899Hospital de Santa Maria, CHLN, Lisboa, Portugal, Lisboa, Portugal
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Zhang K, Shang J, Chen Y, Huo Y, Li B, Hu Z. The prognosis and risk factors for acute kidney injury in high-risk patients after surgery for type A aortic dissection in the ICU. J Thorac Dis 2021; 13:4427-4437. [PMID: 34422369 PMCID: PMC8339792 DOI: 10.21037/jtd-21-823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 07/13/2021] [Indexed: 12/29/2022]
Abstract
Background Acute kidney injury (AKI) is a major complication of cardiac surgery, with high rates of morbidity and mortality. The aim of this study was to identify risk factors for the incidence and prognosis of AKI in high-risk patients before and after surgery for acute type A aortic dissection (TAAD) in the intensive care unit (ICU). Methods We performed a retrospective cohort study from April 2018 to April 2019. The primary end points of this study were morbidity due to AKI and risk factors for incidence, and the secondary end points were mortality at 28 days and risk factors for death. Results We enrolled 60 patients, 52 (86.67%) patients developed postoperative AKI, 28 (53.84%) patients died. Preoperative lactic acid level (P=0.022) and cardiopulmonary bypass (CPB) duration (P=0.009) were identified as independent risk factors for postoperative AKI. The 28-day mortality for postoperative patients with TAAD was 46.67%, 53.84% for those with TAAD and AKI, 67.5% for those who required continue renal replacement therapy (CRRT). The risk factors for 28-day mortality due to postoperative AKI for patients requiring CRRT were CPB duration (P=0.019) and norepinephrine dose upon diagnosis of AKI (P=0.037). Conclusions Morbidity due to AKI in postoperative patients with TAAD was 86.67%, and preoperative lactic acid level and CPB duration were independent risk factors. The 28-day mortality of postoperative patients with TAAD was 46.67%, 53.84% for those with TAAD and AKI, and 67.5% for those requiring CRRT. CPB duration and norepinephrine dose upon diagnosis of AKI may influence patients’ short-term prognosis.
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Affiliation(s)
- Kun Zhang
- Intensive Care Unit, Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Shijiazhuang, China
| | - Jiuyan Shang
- Department of Pathology, Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Shijiazhuang, China
| | - Yuhong Chen
- Intensive Care Unit, Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Shijiazhuang, China
| | - Yan Huo
- Intensive Care Unit, Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Shijiazhuang, China
| | - Bin Li
- Intensive Care Unit, Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Shijiazhuang, China
| | - Zhenjie Hu
- Intensive Care Unit, Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Shijiazhuang, China
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18
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Sul YH, Lee JY, Kim SH, Ye JB, Lee JS, Yoon SY, Choi JH. Risk factors for acute kidney injury in critically ill patients with torso injury: A retrospective observational single-center study. Medicine (Baltimore) 2021; 100:e26723. [PMID: 34398045 PMCID: PMC8294861 DOI: 10.1097/md.0000000000026723] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 07/06/2021] [Indexed: 01/04/2023] Open
Abstract
Acute kidney injury (AKI) is common in trauma patients and associated with poor outcomes. Identifying AKI risk factors in trauma patients is important for risk stratification and provision of optimal intensive care unit (ICU) treatment. This study identified AKI risk factors in patients admitted to critical care after sustaining torso injuries.We performed a retrospective chart review involving 380 patients who sustained torso injuries from January 2016 to December 2019. Patients were included if they were aged >15 years, admitted to an ICU, survived for >48 hours, and had thoracic and/or abdominal injuries and no end-stage renal disease. AKI was defined according to the Kidney Disease Improving Global Outcomes definition and staging system. Clinical and laboratory variables were compared between the AKI and non-AKI groups (n = 72 and 308, respectively). AKI risk factors were assessed using multivariate logistic regression analysis.AKI occurred in 72 (18.9%) patients and was associated with higher mortality than non-AKI patients (26% vs 4%, P < .001). Multivariate logistic regression analysis identified bowel injury, cumulative fluid balance >2.5 L for 24 hours, lactate levels, and vasopressor use (adjusted odds ratio: 2.953, 2.058, 1.170, and 2.910; 95% confidence interval: 1.410-6.181, 1.017-4.164, 1.019-1.343, and 1.414-5.987; P = .004, .045, .026, and .004, respectively) as independent risk factors for AKI.AKI in patients admitted to the ICU with torso injury had a substantial mortality. Recognizing risk factors at an early stage could aid risk stratification and provision of optimal ICU care.
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Affiliation(s)
- Young Hoon Sul
- Deparment of Trauma Surgery, Trauma Center, Chungbuk National University Hospital, Cheongju, Republic of Korea
- Department of Trauma Surgery, College of Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Jin Young Lee
- Deparment of Trauma Surgery, Trauma Center, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Se Heon Kim
- Deparment of Trauma Surgery, Trauma Center, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Jin Bong Ye
- Deparment of Trauma Surgery, Trauma Center, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Jin Suk Lee
- Deparment of Trauma Surgery, Trauma Center, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Su Young Yoon
- Department of Cardiovascular and Thoracic Surgery, Trauma Center, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Jung Hee Choi
- Department of Anesthesiology and Pain Medicine, Chungbuk National University Hospital, Cheongju, Republic of Korea
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Jamme M, Legrand M, Geri G. Outcome of acute kidney injury: how to make a difference? Ann Intensive Care 2021; 11:60. [PMID: 33856581 PMCID: PMC8050180 DOI: 10.1186/s13613-021-00849-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 04/03/2021] [Indexed: 12/16/2022] Open
Abstract
Background Acute kidney injury (AKI) is one of the most frequent organ failure encountered among intensive care unit patients. In addition to the well-known immediate complications (hydroelectrolytic disorders, hypervolemia, drug overdose), the occurrence of long-term complications and/or chronic comorbidities related to AKI has long been underestimated. The aim of this manuscript is to briefly review the short- and long-term consequences of AKI and discuss strategies likely to improve outcome of AKI. Main body We reviewed the literature, focusing on the consequences of AKI in all its aspects and the management of AKI. We addressed the importance of clinical management for improving outcomes AKI. Finally, we have also proposed candidate future strategies and management perspectives. Conclusion AKI must be considered as a systemic disease. Due to its short- and long-term impact, measures to prevent AKI and limit the consequences of AKI are expected to improve global outcomes of patients suffering from critical illnesses.
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Affiliation(s)
- Matthieu Jamme
- Service de Réanimation, Hôpital de Poissy, CHI Poissy Saint Germain, 10 rue du champ Gaillard, 78300, Poissy, France. .,INSERM UMR 1018, Equipe Epidémiologie clinique, CESP, Villejuif, France. .,Université Paris Saclay, UFR Simone Veil - Santé, Montigny-Le-Bretonneux, France.
| | - Matthieu Legrand
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, USA
| | - Guillaume Geri
- INSERM UMR 1018, Equipe Epidémiologie clinique, CESP, Villejuif, France.,Université Paris Saclay, UFR Simone Veil - Santé, Montigny-Le-Bretonneux, France.,Service de Médecine Intensive Réanimation, Hôpital Ambroise Paré, AP-HP, Boulogne Billancourt, France
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20
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Vasopressor Responsiveness Beyond Arterial Pressure: A Conceptual Systematic Review Using Venous Return Physiology. Shock 2021; 56:352-359. [PMID: 33756500 DOI: 10.1097/shk.0000000000001762] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT We performed a systematic review to investigate the effects of vasopressor-induced hemodynamic changes in adults with shock. We applied a physiological approach using the interacting domains of intravascular volume, heart pump performance, and vascular resistance to structure the interpretation of responses to vasopressors. We hypothesized that incorporating changes in determinants of cardiac output and vascular resistance better reflect the vasopressor responsiveness beyond mean arterial pressure alone.We identified 28 studies including 678 subjects in Pubmed, EMBASE, and CENTRAL databases.All studies demonstrated significant increases in mean arterial pressure (MAP) and systemic vascular resistance during vasopressor infusion. The calculated mean systemic filling pressure analogue increased (16 ± 3.3 mmHg to 18 ± 3.4 mmHg; P = 0.02) by vasopressors with variable effects on central venous pressure and the pump efficiency of the heart leading to heterogenous changes in cardiac output. Changes in the pressure gradient for venous return and cardiac output, scaled by the change in MAP, were positively correlated (r2 = 0.88, P < 0.001). Changes in the mean systemic filling pressure analogue and heart pump efficiency were negatively correlated (r2 = 0.57, P < 0.001) while no correlation was found between changes in MAP and heart pump efficiency.We conclude that hemodynamic changes induced by vasopressor therapy are inadequately represented by the change in MAP alone despite its common use as a clinical endpoint. The more comprehensive analysis applied in this review illustrates how vasopressor administration may be optimized.
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Abstract
PURPOSE OF REVIEW Acute kidney injury (AKI) is a common complication in critically ill patients. Understanding the pathophysiology of AKI is essential to guide patient management. Imaging techniques that inform the pathogenesis of AKI in critically ill patients are urgently needed, in both research and ultimately clinical settings. Renal contrast-enhanced ultrasonography (CEUS) and multiparametric MRI appear to be the most promising imaging techniques for exploring the pathophysiological mechanisms involved in AKI. RECENT FINDINGS CEUS and MRI can be used to noninvasively and safely evaluate renal macrocirculation and microcirculation and oxygenation in critical ill patients. These techniques show that a decrease in renal blood flow, particularly cortical blood flow, may be observed in septic AKI and may contribute to its development. MRI may be a valuable method to quantify long-term renal damage after AKI that cannot currently be detected using standard clinical approaches. SUMMARY CEUS and multiparametric renal MRI are promising imaging techniques but more evidence is needed to show how they can first be more widely used in a research setting to test key hypotheses about the pathophysiology and recovery of AKI, and then ultimately be adopted in clinical practice to guide patient management.
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Affiliation(s)
- Nicholas M Selby
- Centre for Kidney Research and Innovation, Division of Medical Sciences and Graduate Entry Medicine, University of Nottingham, UK
| | - Jacques Duranteau
- Department of Anesthesiology and Intensive Care, Paris-Saclay University, Bicêtre Hospital, Assistance Publique Hôpitaux de Paris (AP-HP), Le Kremlin-Bicêtre, France
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Liao P, Zhao S, Lyu L, Yi X, Ji X, Sun J, Jia Y, Zhou Z. Association of intraoperative hypotension with acute kidney injury after liver resection surgery: an observational cohort study. BMC Nephrol 2020; 21:456. [PMID: 33138788 PMCID: PMC7607844 DOI: 10.1186/s12882-020-02109-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 10/14/2020] [Indexed: 02/07/2023] Open
Abstract
Background Acute kidney injury (AKI) is a major complication following liver resection. The aim of this study was to determine the risk factors for AKI after hepatic resection and whether intraoperative hypotension (IOH) was related to AKI. Methods Adult patients (≥ 18 years) undergoing liver resection between November 2017 and November 2019 at our hospital were retrospectively reviewed. AKI was defined as ≥50% increase in serum creatinine from baseline value within 48 h after surgery. IOH was defined as the lowest absolute mean arterial pressure (MAP) < 65 mmHg for more than 10 cumulative minutes during the surgery. Patients were divided into AKI group and non-AKI group, and were stratified by age ≥ 65 years. Results 796 patients who met our inclusion and exclusion criteria were analyzed. After multivariable regression analysis, the IOH (OR, 2.565; P = 0.009) and age ≥ 65 years (OR, 2.463; P = 0.008) were risk factors for AKI. The IOH (OR, 3.547; P = 0.012) and received red blood cell (OR, 3.032; P = 0.036) were risk factors of AKI in age ≥ 65 years patients. Conclusions The IOH and age ≥ 65 years were risk factors for postoperative AKI, and IOH was associated with AKI in age ≥ 65 years patients following liver resection. Supplementary information Supplementary information accompanies this paper at 10.1186/s12882-020-02109-9.
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Affiliation(s)
- Pingping Liao
- Department of Geriatric Medicine, the Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China
| | - Shuo Zhao
- Department of Anesthesiology, the Affiliated Hospital of Qingdao University, No.16 Jiangsu Road, Qingdao, 266000, Shandong, China
| | - Lin Lyu
- Department of Anesthesiology, the Affiliated Hospital of Qingdao University, No.16 Jiangsu Road, Qingdao, 266000, Shandong, China. .,Department of Anesthesiology, the Affiliated Hospital of Qingdao University, No.59 Haier Road, Qingdao, 266000, Shandong, China.
| | - Xuanlong Yi
- Department of Anesthesiology, the Affiliated Hospital of Qingdao University, No.16 Jiangsu Road, Qingdao, 266000, Shandong, China
| | - Xiangyu Ji
- Department of Anesthesiology, the Affiliated Hospital of Qingdao University, No.16 Jiangsu Road, Qingdao, 266000, Shandong, China
| | - Jian Sun
- Department of Anesthesiology, the Affiliated Hospital of Qingdao University, No.16 Jiangsu Road, Qingdao, 266000, Shandong, China
| | - Yanfang Jia
- Department of Anesthesiology, the Affiliated Hospital of Qingdao University, No.16 Jiangsu Road, Qingdao, 266000, Shandong, China
| | - Zangong Zhou
- Department of Anesthesiology, the Affiliated Hospital of Qingdao University, No.16 Jiangsu Road, Qingdao, 266000, Shandong, China.
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Nensén O, Hansell P, Palm F. Intrarenal oxygenation determines kidney function during the recovery from an ischemic insult. Am J Physiol Renal Physiol 2020; 319:F1067-F1072. [PMID: 33044869 DOI: 10.1152/ajprenal.00162.2020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Acute kidney injury (AKI) is a significant clinical problem associated with poor outcome. The kidney, due to its inhomogeneous blood flow, is particularly susceptible to changes in oxygen delivery, and intrarenal hypoxia is a hallmark of AKI and progression to chronic kidney disease. However, the role of intrarenal hypoxia per se in the recovery from an ischemic insult is presently unclear. The present study was designed to investigate 1) the role of systemic hypoxia in the acute progression and recovery of AKI and 2) whether increased intrarenal oxygenation improves recovery from an ischemic insult. Anesthetized male Sprague-Dawley rats were subjected to unilateral warm renal ischemia for 45 min followed by 2 h of reperfusion under systemic hypoxia (10% inspired oxygen), normoxia (21% inspired oxygen), or hyperoxia (60% inspired oxygen). Intrarenal oxygen tension was successfully manipulated by altering the inspired oxygen. Glomerular filtration rate (GFR) before the ischemic insult was independent of intrarenal oxygen tension. GFR during the recovery from the ischemic insult was significantly lower compared with baseline in all groups (3 ± 1%, 13 ± 1%, and 30 ± 11% of baseline for hypoxia, normoxia, and hyperoxia, respectively). However, GFR was significantly higher in hyperoxia than hypoxia (P < 0.05, hypoxia vs. hyperoxia). During recovery, renal blood flow was only reduced in hyperoxia, as a consequence of increased renal vascular resistance. In conclusion, the present study demonstrates that renal function during the recovery from an ischemic insult is dependent on intrarenal oxygen availability, and normobaric hyperoxia treatment has the potential to protect kidney function.
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Affiliation(s)
- Oskar Nensén
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden.,AT-enheten, Uppsala University Hospital, Uppsala, Sweden
| | - Peter Hansell
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Fredrik Palm
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
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Mutlu H, Gündüz E, Titiz TA, Küçükçetin İÖ. Investigation of AKI with Early Biomarkers After Cardiac Surgery. Braz J Cardiovasc Surg 2020; 35:722-731. [PMID: 33118738 PMCID: PMC7598966 DOI: 10.21470/1678-9741-2019-0178] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Affiliation(s)
- Hüseyin Mutlu
- Akdeniz University Faculty of Medicine Department of Anesthesiology and Reanimation Antalya Turkey Department of Anesthesiology and Reanimation, Faculty of Medicine, Akdeniz University, Antalya, Turkey
| | - Emel Gündüz
- Akdeniz University Faculty of Medicine Department of Anesthesiology and Reanimation Antalya Turkey Department of Anesthesiology and Reanimation, Faculty of Medicine, Akdeniz University, Antalya, Turkey
| | - Tülin Aydoğdu Titiz
- Akdeniz University Faculty of Medicine Department of Anesthesiology and Reanimation Antalya Turkey Department of Anesthesiology and Reanimation, Faculty of Medicine, Akdeniz University, Antalya, Turkey
| | - İkbal Özen Küçükçetin
- Akdeniz University Faculty of Medicine Department of Anesthesiology and Reanimation Antalya Turkey Department of Anesthesiology and Reanimation, Faculty of Medicine, Akdeniz University, Antalya, Turkey
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25
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Abstract
Physical trauma can affect any individual and is globally accountable for more than one in every ten deaths. Although direct severe kidney trauma is relatively infrequent, extrarenal tissue trauma frequently results in the development of acute kidney injury (AKI). Various causes, including haemorrhagic shock, rhabdomyolysis, use of nephrotoxic drugs and infectious complications, can trigger and exacerbate trauma-related AKI (TRAKI), particularly in the presence of pre-existing or trauma-specific risk factors. Injured, hypoxic and ischaemic tissues expose the organism to damage-associated and pathogen-associated molecular patterns, and oxidative stress, all of which initiate a complex immunopathophysiological response that results in macrocirculatory and microcirculatory disturbances in the kidney, and functional impairment. The simultaneous activation of components of innate immunity, including leukocytes, coagulation factors and complement proteins, drives kidney inflammation, glomerular and tubular damage, and breakdown of the blood-urine barrier. This immune response is also an integral part of the intense post-trauma crosstalk between the kidneys, the nervous system and other organs, which aggravates multi-organ dysfunction. Necessary lifesaving procedures used in trauma management might have ambivalent effects as they stabilize injured tissue and organs while simultaneously exacerbating kidney injury. Consequently, only a small number of pathophysiological and immunomodulatory therapeutic targets for TRAKI prevention have been proposed and evaluated.
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26
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Chen JL, Chen YL, Qi B, Pan ZY, Lu YF, Zhang W, Zhu J, Yu WF, Song JC, Lu YG. Impact of Intraoperative Norepinephrine Support on Living Donor Liver Transplantation Outcomes: A Retrospective Cohort Study of 430 Children. Front Pharmacol 2020; 11:1254. [PMID: 32922292 PMCID: PMC7456957 DOI: 10.3389/fphar.2020.01254] [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: 09/26/2019] [Accepted: 07/30/2020] [Indexed: 11/13/2022] Open
Abstract
Norepinephrine (NE) is often administered during the perioperative period of liver transplantation to address hemodynamic instability and to improve organ perfusion and oxygen supply. However, its role and safety profile have yet to be evaluated in pediatric living donor liver transplantation (LDLT). We hypothesized that intraoperative NE infusion might affect pediatric LDLT outcomes. A retrospective study of 430 pediatric patients (median [interquartile range] age, 7 [6.10] months; 189 [43.9%] female) receiving LDLT between 2014 and 2016 at Renji Hospital was conducted. We evaluated patient survival among recipients who received intraoperative NE infusion (NE group, 85 recipients) and those that did not (non-NE group, 345 recipients). The number of children aged over 24 months and weighing more than 10 kg in NE group was more than that in non-NE group. And children in NE group had longer operative time, longer anhepatic phase time and more fluid infusion. After multivariate regression analysis and propensity score regression adjusting for confounding factors to determine the influence of intraoperative NE infusion on patient survival, the NE group had a 169% more probability of dying. Although there was no difference in mean arterial pressure changes relative to the baseline between the two groups, we did observe increased heart rates in NE group compared with those of the non-NE group at anhepatic phase (P=0.025), neohepatic phase (P=0.012) and operation end phase (P=0.017) of the operation. In conclusion, intraoperative NE infusion was associated with a poorer prognosis for pediatric LDLT recipients. Therefore, we recommend the application of NE during pediatric LDLT should be carefully re-considered.
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Affiliation(s)
- Jiang-Long Chen
- Department of Anesthesiology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China.,Department of General Surgery, Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuan-Li Chen
- Department of Anesthesiology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Bo Qi
- Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhi-Ying Pan
- Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ye-Feng Lu
- Department of Hepatic Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Zhang
- Department of Biostatistics, School of Public Health, Fudan University, Shanghai, China
| | - Jiao Zhu
- Department of Anesthesiology, Eastern Hepatobiliary Surgical Hospital, Second Military Medical University, Shanghai, China
| | - Wei-Feng Yu
- Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jin-Chao Song
- Department of Anesthesiology, Shidong Hospital of Shanghai, University of Shanghai for Science and Technology, Shanghai, China
| | - Yu-Gang Lu
- Department of Anesthesiology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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27
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Busse LW, Ostermann M. Vasopressor Therapy and Blood Pressure Management in the Setting of Acute Kidney Injury. Semin Nephrol 2020; 39:462-472. [PMID: 31514910 DOI: 10.1016/j.semnephrol.2019.06.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Acute kidney injury (AKI) is common in the setting of shock. Hemodynamic instability is a risk factor for the development of AKI, and pathophysiological mechanisms include loss of renal perfusion pressure and impaired microcirculation. Although restoration of mean arterial pressure (MAP) may mitigate the risk of AKI to some extent, evidence on this is conflicting. Also debatable is the optimal blood pressure needed to minimize the risk of kidney injury. A MAP of 65 mm Hg traditionally has been considered adequate to maintain renal perfusion pressure, and studies have failed to consistently show improved outcomes at higher levels of MAP. Therapeutic options to support renal perfusion consist of catecholamines, vasopressin, and angiotensin II. Although catecholamines are the most studied, they are associated with adverse events at higher doses, including AKI. Vasopressin and angiotensin II are noncatecholamine options to support blood pressure and may improve microcirculatory hemodynamics through unique mechanisms, including differential vasoconstriction of efferent and afferent arterioles within the nephron. Future areas of study include methods by which clinicians can measure renal blood flow in a macrocirculatory and microcirculatory way, a personalized approach to blood pressure management in septic shock using patient-specific measures of perfusion adequacy, and novel agents that may improve the microcirculation within the kidneys without causing adverse microcirculatory effects in other organs.
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Affiliation(s)
- Laurence W Busse
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University School of Medicine, Atlanta, GA.
| | - Marlies Ostermann
- Department of Critical Care, King's College London, Guy's and St Thomas' National Health Service Foundation Hospital, London, United Kingdom
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28
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Knotzer H, Poidinger B, Kleinsasser A. Pharmacologic Agents for the Treatment of Vasodilatory Shock. Curr Pharm Des 2020; 25:2133-2139. [PMID: 31272348 DOI: 10.2174/1381612825666190704101907] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 06/20/2019] [Indexed: 01/05/2023]
Abstract
Vasodilatory shock is a life-threatening syndrome in critically ill patients and is characterized by severe hypotension and resultant tissue hypoperfusion. This shock state requires the use of vasopressor agents to restore adequate vascular tone. Norepinephrine is still recommended as first-line vasopressor in the management of critically ill patients suffering from severe vasodilation. In the recent time, catecholaminergic vasopressor drugs have been associated with possible side effects at higher dosages. This so-called catecholamine toxicity has focused on alternative noncatecholaminergic vasopressors or the use of moderate doses of multiple vasopressors with complementary mechanisms of action. Besides vasopressin and terlipressin, angiotensin II may be a promising drug for the management of vasodilatory shock. In addition, adjunctive drugs, such as hydrocortisone, methylene blue or ascorbic acid can be added to conventional vasopressor therapy. The objective of this review is to give an overview of the current available vasopressor agents used in vasodilatory shock. A thorough search of PubMed was conducted in order to identify the majority of studies related to the subject. Data on the outcome of several drugs and future perspective of possible management strategies for the therapy of vasodilatory shock are discussed.
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Affiliation(s)
- Hans Knotzer
- Institute of Anesthesiology and Critical Care Medicine II, Klinikum Wels, Wels, Austria
| | - Bernhard Poidinger
- Institute of Anesthesiology and Critical Care Medicine II, Klinikum Wels, Wels, Austria
| | - Axel Kleinsasser
- Department of Anesthesiology and Critical Care Medicine, Medical University Innsbruck, Innsbruck, Austria
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29
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An S, Luo H, Wang J, Gong Z, Tian Y, Liu X, Ma J, Jiang R. An acute kidney injury prediction nomogram based on neurosurgical intensive care unit profiles. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:194. [PMID: 32309341 PMCID: PMC7154440 DOI: 10.21037/atm.2020.01.60] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Background Acute kidney injury (AKI) is a common and serious complication with high mortality within the neural-critical care unit, and can limit the treatment of osmotic diuresis and body fluid equilibrium. Given its seriousness, it is necessary to find a tool to predict the likelihood of AKI and to prevent its occurrence. Methods In this retrospective study, patients’ clinical profiles, laboratory test results, and doctors’ prescriptions were collected. Least absolute shrinkage and selection operator (LASSO) regression was used to select variables, and a logistic regression model was then applied to find independent risk factors for AKI. Based on the results of multivariate analysis, we established a nomogram to evaluate the probability of AKI, which was verified through the use of a receiver operating characteristic (ROC) curve and its calibration curves. Results Risk factors given by logistic regression were Glasgow Coma Scale (GCS) classification (1.593; 95% CI: 0.995–2.549; P=0.0523), coefficient of variation (CV) of GCS (1.017; 95% CI: 0.995–1.04; P=0.1367), hypertension (2.238; 95% CI: 1.124–4.456; P=0.0219), coronary heart disease (2.924; 95% CI: 1.2–7.126; P=0.0182), pneumonia within 7 days (3.032; 95% CI: 1.511–6.085; P=0.0018), heart failure within 7 days (6.589; 95% CI: 2.235–19.42; P=0.0006), furosemide (1.011; 95% CI: 1.005–1.016; P<0.0001), torasemide (1.028; 95% CI: 0.976–1.082; P=0.297), dopamine (1; 95% CI: 1–1.001, P=0.3297), and norepinephrine (1.007; 95% CI: 1–1.015; P=0.0474). The area under the curve (AUC) of the prediction model was 0.8786, and the calibration curves showed that the model had a good ability to predict AKI occurrence. Conclusions This study presents an AKI prediction nomogram based on LASSO, logistic regression, and clinical risk factors. The clinical use of the nomogram may allow for the timely detection of AKI occurrence and thus improve the prognosis of patients.
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Affiliation(s)
- Shuo An
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China.,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education and Tianjin City, Tianjin 300052, China
| | - Hongliang Luo
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China.,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education and Tianjin City, Tianjin 300052, China
| | - Jiao Wang
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Zhitao Gong
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China.,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education and Tianjin City, Tianjin 300052, China
| | - Ye Tian
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China.,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education and Tianjin City, Tianjin 300052, China
| | - Xuanhui Liu
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China.,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education and Tianjin City, Tianjin 300052, China
| | - Jun Ma
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Rongcai Jiang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China.,Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education and Tianjin City, Tianjin 300052, China
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30
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Dalla K, Bech‐Hanssen O, Ricksten S. Impact of norepinephrine on right ventricular afterload and function in septic shock-a strain echocardiography study. Acta Anaesthesiol Scand 2019; 63:1337-1345. [PMID: 31361336 PMCID: PMC7159388 DOI: 10.1111/aas.13454] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 07/06/2019] [Accepted: 07/23/2019] [Indexed: 12/25/2022]
Abstract
Background In this observational study, the effects of norepinephrine‐induced changes in mean arterial pressure (MAP) on right ventricular (RV) systolic function, afterload and pulmonary haemodynamics were studied in septic shock patients. We hypothesised that RV systolic function improves at higher doses of norepinephrine/MAP levels. Methods Eleven patients with septic shock requiring norepinephrine after fluid resuscitation were included <24 hours after ICU arrival. Study enrolment and insertion of a pulmonary artery catheter was performed after written informed consent from the next of kin. Norepinephrine infusion was titrated to target mean arterial pressures (MAP) of 60, 75 and 90 mmHg in a random sequential order. At each target MAP, strain—and conventional echocardiographic—and pulmonary haemodynamic variables were measured. RV afterload was assessed as effective pulmonary arterial elastance, (Epa) and pulmonary vascular resistance index, (PVRI). RV free wall peak strain was the primary end‐point. Results At highest compared to lowest norepinephrine dose/MAP level, RV free wall peak strain increased from −19% to −25% (32%, P = .003), accompanied by increased tricuspid annular plane systolic excursion (22%, P = .01). At the highest norepinephrine dose/MAP, RV end‐diastolic area index (16%, P < .001), central venous pressure (38%, P < .001), stroke volume index (7%, P = .001), mean pulmonary artery pressure (19%, P < .001) and RV stroke work index (15%, P = .045) increased, with no effects on PVRI or Epa. Cardiac index did not change, assessed by thermodilution (P = .079) and echocardiography (P = .054). Conclusions Higher doses of norepinephrine to a target MAP of 90 mm Hg improved RV systolic function while RV afterload was not affected.
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Affiliation(s)
- Keti Dalla
- Department of Anaesthesiology and Intensive Care Medicine, Sahlgrenska Academy University of Gothenburg, Sahlgrenska University Hospital Gothenburg Sweden
| | - Odd Bech‐Hanssen
- Department of Clinical Physiology, Sahlgrenska Academy University of Gothenburg, Sahlgrenska University Hospital Gothenburg Sweden
| | - Sven‐Erik Ricksten
- Department of Anaesthesiology and Intensive Care Medicine, Sahlgrenska Academy University of Gothenburg, Sahlgrenska University Hospital Gothenburg Sweden
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31
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Magoon R, Kaushal B, Das D, Jangid SK. Norepinephrine in Sepsis: Looking beyond Vasoconstriction! Indian J Crit Care Med 2019; 23:544. [PMID: 31911752 PMCID: PMC6900891 DOI: 10.5005/jp-journals-10071-23280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
How to cite this article: Magoon R, Kaushal B, Das D, Jangid SK. Norepinephrine in Sepsis: Looking beyond Vasoconstriction! IJCCM 2019;23(11):544.
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Affiliation(s)
- Rohan Magoon
- Department of Cardiac Anaesthesia, Cardio and Neurosciences Center, All India Institute of Medical Sciences, New Delhi, India
| | - Brajesh Kaushal
- Department of Cardiac Anaesthesia, Cardio and Neurosciences Center, All India Institute of Medical Sciences, New Delhi, India
- Brajesh Kaushal, Department of Cardiac Anaesthesia, Cardio and Neurosciences Center, All India Institute of Medical Sciences, New Delhi, India, Phone: +91 8839551736, e-mail:
| | - Devishree Das
- Department of Cardiac Anaesthesia, Cardio and Neurosciences Center, All India Institute of Medical Sciences, New Delhi, India
| | - Surendra K Jangid
- Department of Cardiac Anaesthesia, Cardio and Neurosciences Center, All India Institute of Medical Sciences, New Delhi, India
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32
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Legrand M, De Backer D, Dépret F, Ait-Oufella H. Recruiting the microcirculation in septic shock. Ann Intensive Care 2019; 9:102. [PMID: 31512059 PMCID: PMC6738355 DOI: 10.1186/s13613-019-0577-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 09/05/2019] [Indexed: 01/22/2023] Open
Affiliation(s)
- Matthieu Legrand
- Department of Anesthesiology and Perioperative Care, University of California, San Francisco, USA. .,AP-HP, GH Saint Louis-Lariboisière, Department of Anesthesiology and Critical Care and Burn Unit, University Paris Diderot, Paris, France. .,UMR INSERM 942, Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France. .,F-CRIN, INICRCT Network, Nancy, France.
| | - Daniel De Backer
- Department of Intensive Care, CHIREC Hospitals, Université Libre de Bruxelles, Brussels, Belgium
| | - François Dépret
- AP-HP, GH Saint Louis-Lariboisière, Department of Anesthesiology and Critical Care and Burn Unit, University Paris Diderot, Paris, France.,UMR INSERM 942, Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France.,F-CRIN, INICRCT Network, Nancy, France
| | - Hafid Ait-Oufella
- Department of Critical Care, AP-HP, Saint Antoine Hospital, Paris, France.,INSERM U970, Paris Cardiovascular Center, Paris, France
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33
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Farag E, Makarova N, Argalious M, Cywinski JB, Benzel E, Kalfas I, Sessler DI. Vasopressor Infusion During Prone Spine Surgery and Acute Renal Injury: A Retrospective Cohort Analysis. Anesth Analg 2019; 129:896-904. [PMID: 31425235 DOI: 10.1213/ane.0000000000003982] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Hypotension is associated with acute kidney injury, but vasopressors used to treat hypotension may also compromise renal function. We therefore tested the hypothesis that vasopressor infusion during complex spine surgery is not associated with impaired renal function. METHODS In this retrospective cohort analysis, we considered adults who had complex spine surgery between January 2005 and September 2014 at the Cleveland Clinic Main Campus. Our primary outcome was postoperative estimated glomerular filtration rate. Secondarily, we evaluated renal function using Acute Kidney Injury Network criteria. We obtained data for 1814 surgeries, including 689 patients (38%) who were given intraoperative vasopressors infusion for ≥30 minutes and 1125 patients (62%) who were not. Five hundred forty patients with and 540 patients without vasopressor infusions were well matched across 32 potential confounding variables. RESULTS In matched patients, vasopressor infusions lasted an average of 173 ± 100 minutes (SD) and were given a median dose (1st quintile, 3rd quintile) of 3.4-mg (1.5, 6.7 mg) phenylephrine equivalents. Mean arterial pressure and the amounts of hypotension were similar in each matched group. The postoperative difference in mean estimated glomerular filtration rate in patients with and without vasopressor infusions was only 0.8 mL/min/1.73 m (95% CI, -0.6 to 2.2 mL/min/1.73 m) (P = .28). Intraoperative vasopressor infusion was also not associated with increased odds of augmented acute kidney injury stage. CONCLUSIONS Clinicians should not avoid typical perioperative doses of vasopressors for fear of promoting kidney injury. Tolerating hypotension to avoid vasopressor use would probably be a poor strategy.
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Affiliation(s)
- Ehab Farag
- From the Departments of General Anesthesiology
- Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio
| | - Natalya Makarova
- Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio
| | | | - Jacek B Cywinski
- From the Departments of General Anesthesiology
- Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio
| | - Edward Benzel
- Department of Neurosurgery, Center for Spine Health, Neurosurgical Institute, Cleveland Clinic, Cleveland, Ohio
| | - Iain Kalfas
- Department of Neurosurgery, Center for Spine Health, Neurosurgical Institute, Cleveland Clinic, Cleveland, Ohio
| | - Daniel I Sessler
- Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio
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34
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Reconsidering Vasopressors for Cardiogenic Shock. Chest 2019; 156:392-401. [DOI: 10.1016/j.chest.2019.03.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 03/13/2019] [Accepted: 03/15/2019] [Indexed: 12/27/2022] Open
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35
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Rundgren M, Ullén S, Morgan MPG, Glover G, Cranshaw J, Al-Subaie N, Walden A, Joannidis M, Ostermann M, Dankiewicz J, Nielsen N, Wise MP. Renal function after out-of-hospital cardiac arrest; the influence of temperature management and coronary angiography, a post hoc study of the target temperature management trial. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2019; 23:163. [PMID: 31068215 PMCID: PMC6506949 DOI: 10.1186/s13054-019-2390-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 03/11/2019] [Indexed: 12/29/2022]
Abstract
Background To elucidate the incidence of acute kidney injury (AKI) after out-of-hospital cardiac arrest (OHCA) and to examine the impact of target temperature management (TTM) and early coronary angiography on renal function. Methods Post hoc analysis of the TTM trial, a multinational randomised controlled trial comparing target temperature of 33 °C versus 36 °C in patients with return of spontaneous circulation after OHCA. The impact of TTM and early angiography (within 6 h of OHCA) versus late or no angiography on the development of AKI during the 7-day period after OHCA was analysed. AKI was defined according to modified KDIGO criteria in patients surviving beyond day 2 after OHCA. Results Following exclusions, 853 of 939 patients enrolled in the main trial were analysed. Unadjusted analysis showed that significantly more patients in the 33 °C group had AKI compared to the 36 °C group [211/431 (49%) versus 170/422 (40%) p = 0.01], with a worse severity (p = 0.018). After multivariable adjustment, the difference was not significant (odds ratio 0.75, 95% confidence interval 0.54–1.06, p = 0.10]. Five hundred seventeen patients underwent early coronary angiography. Although the unadjusted analysis showed less AKI and less severe AKI in patients who underwent early angiography compared to patients with late or no angiography, in adjusted analyses, early angiography was not an independent risk factor for AKI (odds ratio 0.73, 95% confidence interval 0.50–1.05, p = 0.09). Conclusions In OHCA survivors, TTM at 33 °C compared to management at 36 °C did not show different rates of AKI and early angiography was not associated with an increased risk of AKI. Trial registration NCT01020916. Registered on www.ClinicalTrials.gov 26 November 2009 (main trial). Electronic supplementary material The online version of this article (10.1186/s13054-019-2390-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Malin Rundgren
- Department of Clinical Sciences, Anaesthesia and Intensive Care, Skane University Hospital, Lund University, 221 85, Lund, Sweden. .,Department of Intensive and Perioperative Care, Skane University Hospital, Lund University, 221 85, Lund, Sweden.
| | - Susann Ullén
- Foprum South, Skane University Hospital, Lund, Sweden
| | - Matt P G Morgan
- Honorary Research Fellow, Cardiff University School of Medicine, Cardiff, UK
| | - Guy Glover
- Department of Intensive Care, Guys and St Thomas' Hospital, Kings College London, London, UK
| | - Julius Cranshaw
- Department of Anaesthetics and Intensive Care Medicine, Royal Bournemouth Hospital, Bournemouth, UK
| | - Nawaf Al-Subaie
- Adult Intensive Care Directorate, St George's Hospital London, London, UK
| | - Andrew Walden
- Department of Intensive Care Medicine, Royal Berkshire Hospital, Reading, UK
| | - Michael Joannidis
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria
| | - Marlies Ostermann
- Department of Critical Care and Nephrology, Guy's and St Thomas' Hospital, King's College London, London, UK
| | - Josef Dankiewicz
- Department of Cardiology, Skane University Hospital, Lund University, Lund, Sweden
| | - Niklas Nielsen
- Department of Anaesthesia and Intensive Care, Helsingborg Hospital, Helsingborg, Sweden
| | - Matthew P Wise
- Adult Critical Care, University Hospital of Wales, Cardiff, UK
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36
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Permpikul C, Tongyoo S, Viarasilpa T, Trainarongsakul T, Chakorn T, Udompanturak S. Early Use of Norepinephrine in Septic Shock Resuscitation (CENSER). A Randomized Trial. Am J Respir Crit Care Med 2019; 199:1097-1105. [DOI: 10.1164/rccm.201806-1034oc] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
| | | | | | | | | | - Suthipol Udompanturak
- Office of Research and Development, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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37
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Møller-Sørensen H, Norum HM, Ricksten SE. 10 tips for intensive care management of transplanted heart patients. Intensive Care Med 2019; 45:374-376. [PMID: 30725137 DOI: 10.1007/s00134-019-05545-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 01/23/2019] [Indexed: 10/27/2022]
Affiliation(s)
- Hasse Møller-Sørensen
- Department of Cardiothoracic Anesthesiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, 2100, Copenhagen OE, Denmark.
| | - Hilde M Norum
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Department of Research and Development, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway
| | - Sven-Erik Ricksten
- Department of Cardiothoracic Anaesthesia and Intensive Care, Sahlgrenska University Hospital, Gothenburg, Sweden.,Department of Anesthesiology and Intensive Care Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Abstract
Sepsis is defined as organ dysfunction resulting from the host's deleterious response to infection. One of the most common organs affected is the kidneys, resulting in sepsis associated acute kidney injury (SA-AKI) that contributes to the morbidity and mortality of sepsis. A growing body of knowledge has illuminated the clinical risk factors, pathobiology, response to treatment, and elements of renal recovery that have advanced our ability to prevent, detect, and treat SA-AKI. Despite these advances, SA-AKI remains an important concern and clinical burden, and further study is needed to reduce the acute and chronic consequences. This review summarizes the relevant evidence, with a focus on the risk factors, early recognition and diagnosis, treatment, and long term consequences of SA-AKI. In addition to literature pertaining to SA-AKI specifically, pertinent sepsis and acute kidney injury literature relevant to SA-AKI was included.
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Affiliation(s)
- Jason T Poston
- Section of Pulmonary and Critical Care Medicine, Department of Medicine, University of Chicago, Chicago, IL 60637, USA
| | - Jay L Koyner
- Section of Nephrology, Department of Medicine, University of Chicago
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Lankadeva YR, Evans RG, Kosaka J, Booth LC, Iguchi N, Bellomo R, May CN. Alterations in regional kidney oxygenation during expansion of extracellular fluid volume in conscious healthy sheep. Am J Physiol Regul Integr Comp Physiol 2018; 315:R1242-R1250. [PMID: 30332304 DOI: 10.1152/ajpregu.00247.2018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Expansion of extracellular fluid volume with crystalloid solutions is a common medical intervention, but its effects on renal cortical and medullary oxygenation are poorly understood. Therefore, we instrumented sheep under general anesthesia to enable continuous measurement of systemic and renal hemodynamics, global renal oxygen delivery and consumption, and intrarenal tissue perfusion and oxygen tension (Po2) in conscious animals ( n = 7). The effects of three sequential intermittent infusions of 500 ml of compound sodium lactate solution, administered at hourly intervals, were determined. Volume expansion induced transient increases in mean arterial pressure (+7 ± 2%), central venous pressure (+50 ± 19%), and cardiac output (+15 ± 3%). There were sustained increases in renal medullary tissue Po2 (+35 ± 10%) despite increases in global renal oxygen consumption (+66 ± 18%) and renal oxygen extraction (+64 ± 8%). Volume expansion did not significantly alter renal blood flow, renal oxygen delivery, or medullary perfusion. The sustained increase in medullary Po2 was paralleled by increased bladder urine Po2 (34 ± 4%). Cortical perfusion and Po2 did not change significantly. Our findings indicate that extracellular fluid volume expansion can increase renal medullary oxygenation, providing a potential mechanistic basis for its use as prophylaxis against iatrogenic acute kidney injury. They also indicate that continuous measurement of bladder urine Po2 could be used to monitor the effects of volume expansion on medullary oxygenation. However, the mechanisms mediating increased medullary oxygenation during volume expansion remain to be determined.
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Affiliation(s)
- Yugeesh R Lankadeva
- Florey Institute of Neuroscience and Mental Health , Victoria , Australia.,Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne , Victoria , Australia
| | - Roger G Evans
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Physiology, Monash University , Victoria , Australia
| | - Junko Kosaka
- Florey Institute of Neuroscience and Mental Health , Victoria , Australia
| | - Lindsea C Booth
- Florey Institute of Neuroscience and Mental Health , Victoria , Australia
| | - Naoya Iguchi
- Florey Institute of Neuroscience and Mental Health , Victoria , Australia
| | - Rinaldo Bellomo
- School of Medicine, University of Melbourne , Victoria , Australia
| | - Clive N May
- Florey Institute of Neuroscience and Mental Health , Victoria , Australia.,Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne , Victoria , Australia
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40
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Skytte Larsson J, Bragadottir G, Redfors B, Ricksten SE. Renal effects of norepinephrine-induced variations in mean arterial pressure after liver transplantation: A randomized cross-over trial. Acta Anaesthesiol Scand 2018; 62:1229-1236. [PMID: 29896798 DOI: 10.1111/aas.13156] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 04/19/2018] [Accepted: 04/20/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND Acute kidney injury is commonly seen after liver transplantation. The optimal perioperative target mean arterial pressure (MAP) for renal filtration, perfusion and oxygenation in liver recipients is not known. The effects of norepinephrine-induced changes in MAP on renal blood flow (RBF), oxygen delivery (RDO2 ), glomerular filtration rate (GFR) and renal oxygenation (=renal oxygen extraction, RO2 Ex) were therefore studied early after liver transplantation. METHODS Ten patients with an intra- and post-operative vasopressor-dependent systemic vasodilation were studied early after liver transplantation during sedation and mechanical ventilation. To achieve target MAP levels of 60, 75 and 90 mm Hg, the norepinephrine infusion rate was randomly and sequentially titrated. At each target MAP, data on cardiac index (CI), RBF and GFR were obtained by transpulmonary thermodilution (PiCCO), the renal vein thermodilution technique and renal extraction of chromium ethylenediaminetetraaceticacid (51 Cr-EDTA), respectively. Renal oxygen consumption (RVO2 ) and extraction (RO2 Ex) were calculated according to standard formulas. RESULTS At a target MAP of 75 mm Hg, CI (13%), RBF (18%), RDO2 (24%), GFR (31%) and RVO2 (20%) were higher while RO2 Ex was unchanged compared to a target MAP of 60 mm Hg. Increasing MAP from 75 up to 90 mm Hg increased RVR by 38% but had no further effects on CI, RBF, RDO2 or GFR. CONCLUSIONS In patients undergoing liver transplantation, RBF and GFR are pressure-dependent at MAP levels below 75 mm Hg. Our results suggest that MAP should probably be targeted to approximately 75 mm Hg for optimal perioperative renal filtration, perfusion and oxygenation in patients undergoing liver transplantation.
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Affiliation(s)
- J. Skytte Larsson
- Department of Anaesthesiology and Intensive Care Medicine; Institution of Clinical Sciences; Sahlgrenska Academy; University of Gothenburg; Sahlgrenska University Hospital; Gothenburg Sweden
| | - G. Bragadottir
- Department of Anaesthesiology and Intensive Care Medicine; Institution of Clinical Sciences; Sahlgrenska Academy; University of Gothenburg; Sahlgrenska University Hospital; Gothenburg Sweden
| | - B. Redfors
- Department of Anaesthesiology and Intensive Care Medicine; Institution of Clinical Sciences; Sahlgrenska Academy; University of Gothenburg; Sahlgrenska University Hospital; Gothenburg Sweden
| | - S.-E. Ricksten
- Department of Anaesthesiology and Intensive Care Medicine; Institution of Clinical Sciences; Sahlgrenska Academy; University of Gothenburg; Sahlgrenska University Hospital; Gothenburg Sweden
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41
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Abstract
PURPOSE OF REVIEW To review epidemiology and pathophysiology of acute kidney injury (AKI) in trauma patients and propose strategies that aim at preventing AKI after trauma. RECENT FINDINGS AKI in trauma patients has been reported to be as frequent as 50% with an association to a prolonged length of stay and a raise in mortality. Among the specific risk factors encountered in trauma patients, hemorrhagic shock, rhabdomyolysis severity, age, and comorbidities are independently associated with AKI occurrence. Resuscitation with balanced solutes seems to have beneficial effects on renal outcome compared with NaCl 0.9%, particularly in the context of rhabdomyolysis. However, randomized clinical studies are needed to confirm this signal. Abdominal compartment syndrome (ACS) is rare but has to be diagnosed to initiate a dedicated therapy. SUMMARY The high incidence of AKI in trauma patients should lead to early identification of those at risk of AKI to establish a resuscitation strategy that aims at preventing AKI.
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Harrois A, Grillot N, Figueiredo S, Duranteau J. Acute kidney injury is associated with a decrease in cortical renal perfusion during septic shock. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2018; 22:161. [PMID: 29907130 PMCID: PMC6002990 DOI: 10.1186/s13054-018-2067-0] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 05/15/2018] [Indexed: 12/12/2022]
Abstract
Background Renal perfusion status remains poorly studied at the bedside during septic shock. We sought to measure cortical renal perfusion in patients with septic shock during their first 3 days of care using renal contrast enhanced ultrasound (CEUS). Methods We prospectively included 20 ICU patients with septic shock and 10 control patients (CL) without septic shock admitted to a surgical ICU. Cortical renal perfusion was evaluated with CEUS during continuous infusion of Sonovue (Milan, Italy) within the first 24 h (day 0), between 24 and 48 h (day 1) and after 72 h (day 3) of care. Each measurement consisted of three destruction replenishment sequences that were recorded for delayed analysis with dedicated software (Vuebox). Renal perfusion was quantified by measuring the mean transit time (mTT) and the perfusion index (PI), which is the ratio of renal blood volume (rBV) to mTT. Results Cortical renal perfusion was decreased in septic shock as attested by a lower PI and a higher mTT in patients with septic shock than in patients of the CL group (p = 0.005 and p = 0.03). PI values had wider range in patients with septic shock (median (min-max) of 74 arbitrary units (a.u.) (3–736)) than in patients of the CL group 228 a.u. (67–440)). Renal perfusion improved over the first 3 days with a PI at day 3 higher than the PI at day 0 (74 (22–120) versus 160 (88–245) p = 0.02). mTT was significantly higher in patients with severe acute kidney injury (AKI) (n = 13) compared with patients with no AKI (n = 7) over time (p = 0.005). The PI was not different between patients with septic shock with severe AKI and those with no AKI (p = 0.29). Conclusions Although hemodynamic macrovascular parameters were restored, the cortical renal perfusion can be decreased, normal or even increased during septic shock. We observed an average decrease in cortical renal perfusion during septic shock compared to patients without septic shock. The decrease in cortical renal perfusion was associated with severe AKI occurrence. The use of renal CEUS to guide renal perfusion resuscitation needs further investigation.
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Affiliation(s)
- Anatole Harrois
- Anesthesia and Intensive Care Department, Hôpitaux Universitaires Paris-Sud, Université Paris-Sud, Université Paris-Saclay, Hôpital De Bicêtre, Assistance Publique Hôpitaux de Paris (APHP), 78, Rue du Général Leclerc, 94270 Le Kremlin-Bicêtre, France
| | - Nicolas Grillot
- Anesthesia and Intensive Care Department, Hôpitaux Universitaires Paris-Sud, Université Paris-Sud, Université Paris-Saclay, Hôpital De Bicêtre, Assistance Publique Hôpitaux de Paris (APHP), 78, Rue du Général Leclerc, 94270 Le Kremlin-Bicêtre, France
| | - Samy Figueiredo
- Anesthesia and Intensive Care Department, Hôpitaux Universitaires Paris-Sud, Université Paris-Sud, Université Paris-Saclay, Hôpital De Bicêtre, Assistance Publique Hôpitaux de Paris (APHP), 78, Rue du Général Leclerc, 94270 Le Kremlin-Bicêtre, France
| | - Jacques Duranteau
- Anesthesia and Intensive Care Department, Hôpitaux Universitaires Paris-Sud, Université Paris-Sud, Université Paris-Saclay, Hôpital De Bicêtre, Assistance Publique Hôpitaux de Paris (APHP), 78, Rue du Général Leclerc, 94270 Le Kremlin-Bicêtre, France.
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43
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Renal Blood Flow, Glomerular Filtration Rate, and Renal Oxygenation in Early Clinical Septic Shock*. Crit Care Med 2018. [DOI: 10.1097/ccm.0000000000003088] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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44
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Abstract
PURPOSE OF REVIEW Among critically ill patients, acute kidney injury (AKI) is still a common and serious complication with a tremendous impact on short-term and long-term outcomes. The objective of this review is to discuss strategies for renal protection and prevention of AKI in ICU patients. RECENT FINDINGS It is fundamental to identify patients at risk for AKI as soon as possible and as accurately as possible. In order to achieve these goals, translational approaches implementing new biomarkers have shown promising results. Focusing on the role of potential preventive strategies, hemodynamic stabilization is the most important intervention with proven efficacy. Recent published data undermined any hope that high-dose statin therapy in statin-naïve patients could exert renoprotective effects. However, preliminary data revealed the renoprotective activity of dexmedetomidine when used as a sedative agent. Moreover, several studies demonstrated the protective effects of remote ischemic preconditioning in various organs including the kidneys. The use of balanced crystalloid instead of hyperchloremic solutions also contributes to the reduction of AKI in critically ill patients. SUMMARY To prevent AKI, it is crucial to identify patients at risk as early as possible. Establishing hemodynamic stability and an adequate intravascular volume state to ensure a sufficient perfusion pressure is the only effective therapeutic intervention. It is self-evident that nephrotoxic agents should be avoided whenever it is possible.
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45
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Post EH, Vincent JL. Renal autoregulation and blood pressure management in circulatory shock. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2018; 22:81. [PMID: 29566705 PMCID: PMC5865356 DOI: 10.1186/s13054-018-1962-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 01/22/2018] [Indexed: 12/13/2022]
Abstract
The importance of personalized blood pressure management is well recognized. Because renal pressure–flow relationships may vary among patients, understanding how renal autoregulation may influence blood pressure control is essential. However, much remains uncertain regarding the determinants of renal autoregulation in circulatory shock, including the influence of comorbidities and the effects of vasopressor treatment. We review published studies on renal autoregulation relevant to the management of acutely ill patients with shock. We delineate the main signaling pathways of renal autoregulation, discuss how it can be assessed, and describe the renal autoregulatory alterations associated with chronic disease and with shock.
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Affiliation(s)
- Emiel Hendrik Post
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles, Route de Lennik 808, 1070, Brussels, Belgium
| | - Jean-Louis Vincent
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles, Route de Lennik 808, 1070, Brussels, Belgium.
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Evans RG, Lankadeva YR, Cochrane AD, Marino B, Iguchi N, Zhu MZL, Hood SG, Smith JA, Bellomo R, Gardiner BS, Lee C, Smith DW, May CN. Renal haemodynamics and oxygenation during and after cardiac surgery and cardiopulmonary bypass. Acta Physiol (Oxf) 2018; 222. [PMID: 29127739 DOI: 10.1111/apha.12995] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 11/02/2017] [Accepted: 11/06/2017] [Indexed: 12/12/2022]
Abstract
Acute kidney injury (AKI) is a common complication following cardiac surgery performed on cardiopulmonary bypass (CPB) and has important implications for prognosis. The aetiology of cardiac surgery-associated AKI is complex, but renal hypoxia, particularly in the medulla, is thought to play at least some role. There is strong evidence from studies in experimental animals, clinical observations and computational models that medullary ischaemia and hypoxia occur during CPB. There are no validated methods to monitor or improve renal oxygenation during CPB, and thus possibly decrease the risk of AKI. Attempts to reduce the incidence of AKI by early transfusion to ameliorate intra-operative anaemia, refinement of protocols for cooling and rewarming on bypass, optimization of pump flow and arterial pressure, or the use of pulsatile flow, have not been successful to date. This may in part reflect the complexity of renal oxygenation, which may limit the effectiveness of individual interventions. We propose a multi-disciplinary pathway for translation comprising three components. Firstly, large-animal models of CPB to continuously monitor both whole kidney and regional kidney perfusion and oxygenation. Secondly, computational models to obtain information that can be used to interpret the data and develop rational interventions. Thirdly, clinically feasible non-invasive methods to continuously monitor renal oxygenation in the operating theatre and to identify patients at risk of AKI. In this review, we outline the recent progress on each of these fronts.
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Affiliation(s)
- R. G. Evans
- Cardiovascular Disease Program Biomedicine Discovery Institute and Department of Physiology Monash University Melbourne Vic. Australia
| | - Y. R. Lankadeva
- Florey Institute of Neuroscience and Mental Health University of Melbourne Melbourne Vic. Australia
| | - A. D. Cochrane
- Department of Cardiothoracic Surgery Monash Health Monash University Melbourne Vic. Australia
- Department of Surgery School of Clinical Sciences at Monash Health Monash University Melbourne Vic. Australia
| | - B. Marino
- Department of Perfusion Services Austin Hospital Heidelberg Vic. Australia
| | - N. Iguchi
- Florey Institute of Neuroscience and Mental Health University of Melbourne Melbourne Vic. Australia
| | - M. Z. L. Zhu
- Department of Cardiothoracic Surgery Monash Health Monash University Melbourne Vic. Australia
- Department of Surgery School of Clinical Sciences at Monash Health Monash University Melbourne Vic. Australia
| | - S. G. Hood
- Florey Institute of Neuroscience and Mental Health University of Melbourne Melbourne Vic. Australia
| | - J. A. Smith
- Department of Cardiothoracic Surgery Monash Health Monash University Melbourne Vic. Australia
- Department of Surgery School of Clinical Sciences at Monash Health Monash University Melbourne Vic. Australia
| | - R. Bellomo
- Department of Intensive Care Austin Hospital Heidelberg Vic. Australia
| | - B. S. Gardiner
- School of Engineering and Information Technology Murdoch University Perth WA Australia
- Faculty of Engineering and Mathematical Sciences The University of Western Australia Perth WA Australia
| | - C.‐J. Lee
- School of Engineering and Information Technology Murdoch University Perth WA Australia
- Faculty of Engineering and Mathematical Sciences The University of Western Australia Perth WA Australia
| | - D. W. Smith
- Faculty of Engineering and Mathematical Sciences The University of Western Australia Perth WA Australia
| | - C. N. May
- Florey Institute of Neuroscience and Mental Health University of Melbourne Melbourne Vic. Australia
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Abrahamsson A, Oras J, Snygg J, Block L. Reply to "Does use of perioperative COX-2 inhibitors really increase risk of acute kidney injury?". Acta Anaesthesiol Scand 2017; 61:1376. [PMID: 28990177 DOI: 10.1111/aas.12999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- A. Abrahamsson
- Institute of Clinical Sciences at Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
- Department of Anaesthesiology and Intensive Care; Sahlgrenska University Hospital; Gothenburg Sweden
| | - J. Oras
- Institute of Clinical Sciences at Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
- Department of Anaesthesiology and Intensive Care; Sahlgrenska University Hospital; Gothenburg Sweden
| | - J. Snygg
- Institute of Clinical Sciences at Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
- Department of Anaesthesiology and Intensive Care; Sahlgrenska University Hospital; Gothenburg Sweden
| | - L. Block
- Institute of Clinical Sciences at Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
- Department of Anaesthesiology and Intensive Care; Sahlgrenska University Hospital; Gothenburg Sweden
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Hertzberg D, Rydén L, Pickering JW, Sartipy U, Holzmann MJ. Acute kidney injury-an overview of diagnostic methods and clinical management. Clin Kidney J 2017; 10:323-331. [PMID: 28616210 PMCID: PMC5466115 DOI: 10.1093/ckj/sfx003] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 01/13/2017] [Indexed: 12/12/2022] Open
Abstract
Acute kidney injury (AKI) is a common condition in multiple clinical settings. Patients with AKI are at an increased risk of death, over both the short and long term, and of accelerated renal impairment. As the condition has become more recognized and definitions more unified, there has been a rapid increase in studies examining AKI across many different clinical settings. This review focuses on the classification, diagnostic methods and clinical management that are available, or promising, for patients with AKI. Furthermore, preventive measures with fluids, acetylcysteine, statins and remote ischemic preconditioning, as well as when dialysis should be initiated in AKI patients are discussed. The classification of AKI includes both changes in serum creatinine concentrations and urine output. Currently, no kidney injury biomarkers are included in the classification of AKI, but proposals have been made to include them as independent diagnostic markers. Treatment of AKI is aimed at addressing the underlying causes of AKI, and at limiting damage and preventing progression. The key principles are: to treat the underlying disease, to optimize fluid balance and optimize hemodynamics, to treat electrolyte disturbances, to discontinue or dose-adjust nephrotoxic drugs and to dose-adjust drugs with renal elimination.
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Affiliation(s)
- Daniel Hertzberg
- Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
| | - Linda Rydén
- Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Anesthesiology, Surgical Services and Intensive Care Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - John W. Pickering
- Deparment of Medicine, University of Otago Christchurch and Emergency Department, Christchurch Hospital, Christchurch, New Zealand
| | - Ulrik Sartipy
- Section of Cardiothoracic Surgery, Karolinska University Hospital, Stockholm, Sweden
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Martin J. Holzmann
- Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Emergency Medicine, Huddinge, Karolinska University Hospital, Stockholm, Sweden
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The effects of acute renal denervation on kidney perfusion and metabolism in experimental septic shock. BMC Nephrol 2017; 18:182. [PMID: 28569187 PMCID: PMC5452298 DOI: 10.1186/s12882-017-0586-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 05/16/2017] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Perfusion deficits likely play an important role in the development of renal dysfunction in sepsis. Renal denervation may improve kidney perfusion and metabolism. METHODS We randomized 14 female sheep to undergo bilateral surgical renal denervation (n = 7) or sham procedure (n = 7) prior to induction of sepsis. Renal blood flow (RBF) was measured with a pre-calibrated flowprobe. Laser Doppler probes were implanted to measure cortical and medullary perfusion. Cortical glucose, lactate and pyruvate levels were measured using the microdialysis technique. Creatinine clearance was determined. Sepsis was induced by peritonitis and fluid resuscitation was provided to avoid hypovolemia. RESULTS RBF and cortical perfusion were higher in the denervated group during the first 6 h after induction of sepsis (P < 0.001 and P < 0.05, respectively), while medullary perfusion decreased similarly in both groups. After hypotension developed, RBF decreased to similar levels in both groups. Cortical pyruvate and lactate levels were lower in the denervated animals (P < 0.001 and P < 0.001, respectively). There were no differences between groups in creatinine clearance, urine output or time to oliguria. CONCLUSION Denervation thus caused an early increase in RBF that was distributed towards the kidney cortex. Although associated with an attenuation of early cortical metabolic alterations, denervation failed to prevent the deterioration in renal function.
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