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Baumann AN, Talaski GM, Uhler MA, Anastasio AT, Walley KC, Pean CA, Tampi RR, Farivar M. The Utilization of Preoperative Steroids Safely Decreases the Risk of Postoperative Delirium in Geriatric Patients After Hip Fracture Surgery: A Systematic Review and Meta-analysis of Randomized Controlled Trials. J Orthop Trauma 2024; 38:e182-e190. [PMID: 38300234 DOI: 10.1097/bot.0000000000002781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/24/2024] [Indexed: 02/02/2024]
Abstract
OBJECTIVES Postoperative delirium is an acute neurocognitive complication that can have adverse effects on outcomes of geriatric patients after undergoing hip fracture surgery. The objective of this study was to examine the efficacy of preoperative steroids in preventing postoperative delirium after hip fracture surgery. METHODS DATA SOURCES A systematic review and meta-analysis was performed using PubMed, SPORTDiscus, CINAHL, MEDLINE, and Web of Science from database inception until September 28, 2023. STUDY SELECTION Inclusion criteria were randomized controlled trials of patients who underwent surgical intervention for hip fracture, were examined for postoperative delirium, and used preoperative steroids. DATA EXTRACTION Data included the risk of postoperative delirium, postoperative all-cause infection, and postoperative hyperglycemia. Articles were graded via the Cochrane Collaboration's tool. DATA SYNTHESIS Statistical analysis included a random-effects binary model with relative risk, 95% confidence intervals along with a defined "number needed to treat" threshold (number needed to treat). RESULTS Four randomized controlled trials were included from 128 articles initially retrieved. Patients (n = 416; average age: 82.2 ± 2.2 years) underwent surgical intervention for hip fracture after receiving either preoperative steroids (n = 209) or control interventions (n = 207). There was a statistically significant decrease in the incidence of postoperative delirium among patients who received preoperative steroids (12.9%; 27 cases) as compared with patients who received control interventions (26.7%; 55 cases) after hip fracture surgery ( P < 0.001; RR: 0.84). The absolute risk difference was 13.8%, and the number needed to treat was 7.2 patients. There was no statistically significant difference in the risk of postoperative all-cause infection among patients who received preoperative steroids as compared with patients who received normal saline as placebo after hip fracture surgery ( P = 0.850; RR: 0.96). CONCLUSIONS The utilization of preoperative steroids seems to decrease the risk of postoperative delirium after hip fracture surgery in elderly adults. Furthermore, this decreased risk of postoperative delirium was not associated with a significant increase in postoperative infection, indicating possible safety of preoperative steroid administration. LEVEL OF EVIDENCE Therapeutic Level II. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Anthony N Baumann
- College of Medicine, Northeast Ohio Medical University, Rootstown, OH
| | | | - Mathias A Uhler
- College of Biological Sciences, University of Akron, Akron, OH
| | | | - Kempland C Walley
- Department of Orthopedic Surgery, University of Michigan, Ann Arbor, MI
| | | | - Rajesh R Tampi
- Department of Psychiatry, Creighton University, Omaha, NE
| | - Michel Farivar
- Department of Psychiatry, Cleveland Clinic Akron General, Akron, OH
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Zhao L, Guo Y, Zhou X, Mao W, Zhu H, Chen L, Liu X, Zhang L, Xie Y, Li L. The research progress of perioperative non-pharmacological interventions on postoperative cognitive dysfunction: a narrative review. Front Neurol 2024; 15:1369821. [PMID: 38751891 PMCID: PMC11094646 DOI: 10.3389/fneur.2024.1369821] [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: 01/13/2024] [Accepted: 04/16/2024] [Indexed: 05/18/2024] Open
Abstract
Postoperative cognitive dysfunction (POCD) is a common neurological complication in elderly patients after surgery and general anesthesia. The occurrence of POCD seriously affects the postoperative recovery of patients, and leads to prolonged hospital stay, reduced quality of life, increased medical costs, and even higher mortality. There is no definite and effective drug treatment for POCD. More evidence shows that perioperative non-pharmacological intervention can improve postoperative cognitive function and reduce the incidence of POCD. Therefore, our studies summarize the current non-pharmacological interventions of POCD from the aspects of cognitive training, physical activity, transcutaneous electrical acupoint stimulation, noninvasive brain stimulation, non-pharmacological sleep improvement, music therapy, environment, and multimodal combination Interventions, to provide more data for clinical application and research.
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Affiliation(s)
- Li Zhao
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Yiping Guo
- School of Humanities and Management, Key Laboratory for Quality of Life and Psychological Assessment and Intervention, Guangdong Medical University, Dongguan, China
- Nanchong Center for Disease Control and Prevention, Nanchong, China
| | - Xuelei Zhou
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Wei Mao
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Hongyu Zhu
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Linlin Chen
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Xianchun Liu
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Longyi Zhang
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Ying Xie
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Linji Li
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
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Zhao L, Guo Y, Zhou X, Mao W, Li L. Preoperative cognitive training improves postoperative cognitive function: a meta-analysis and systematic review of randomized controlled trials. Front Neurol 2024; 14:1293153. [PMID: 38259656 PMCID: PMC10800879 DOI: 10.3389/fneur.2023.1293153] [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: 09/12/2023] [Accepted: 12/15/2023] [Indexed: 01/24/2024] Open
Abstract
Background Postoperative cognitive dysfunction (POCD) and postoperative delirium (POD) are common post-surgical complications that often lead to prolonged hospitalization, reduced quality of life, increased healthcare costs, and increased patient mortality. We conducted a meta-analysis to evaluate the effects of preoperative cognitive function training on postoperative cognitive function. Methods PubMed, Cochrane Library, Embase, Web of Science, ClinicalTrials, China National Knowledge Infrastructure, Wanfang Database, VIP Database, and Chinese Biomedical Literature Database were searched for randomized controlled trials comparing the effects of preoperative cognitive function training and conventional preoperative measures on postoperative cognitive function. The search period spanned from the establishment of the databases to March 31, 2023. The primary outcomes were the incidence of POCD and POD. Results Eleven randomized controlled trials involving 1,045 patients were included. The results of the meta-analysis showed that, compared to the control group, preoperative cognitive function training significantly reduced the incidence of POCD (RR = 0.38, P < 0.00001), and there was no statistically significant difference in the incidence of POD (P = 0.3). Cognitive function training significantly improved postoperative cognitive function scores compared with the control group (MD = 1.92, P = 0.001). In addition, two studies reported that 10% of the patients in the cognitive training group completed a pre-set training duration. Conclusion Cognitive function training significantly reduced the incidence of POCD; however, there was no significant difference in the incidence of POD. Preoperative cognitive function training should be promoted and emphasized as a simple, economical, and practical method of improving postoperative cognitive function. Systematic Review Registration https://www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=396154.
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Affiliation(s)
- Li Zhao
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Yiping Guo
- School of Humanities and Management, Key Laboratory for Quality of Life and Psychological Assessment and Intervention, Guangdong Medical University, Dongguan, China
- Nanchong Center for Disease Control and Prevention, Nanchong, China
| | - Xuelei Zhou
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Wei Mao
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
| | - Linji Li
- Department of Anesthesiology, The Second Clinical Medical College, North Sichuan Medical College, Nanchong Central Hospital, Nanchong, China
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Almuzayyen HA, Chowdhury T, Alghamdi AS. Postoperative cognitive recovery and prevention of postoperative cognitive complications in the elderly patient. Saudi J Anaesth 2023; 17:550-556. [PMID: 37779573 PMCID: PMC10540994 DOI: 10.4103/sja.sja_529_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 06/25/2023] [Accepted: 06/26/2023] [Indexed: 10/03/2023] Open
Abstract
Elderly patients undergoing surgery are at higher risk of life-altering and costly complications. This challenge is increasingly recognized with the growing geriatric surgical population. Advanced age and comorbid conditions, such as disability and frailty that often develop with age, are all independent risk factors of postoperative morbidity and mortality. A common factor in this age group is cognitive impairment, which poses a challenge for the patient and clinician in the perioperative setting. It affects the capacity for informed consent and limits optimization before surgery; furthermore, an existing impairment may progress in severity during the perioperative period, and new onset of signs of delirium or postoperative cognitive dysfunction may arise during postoperative recovery. In this article, we aim to review the current literature examining the latest definitions, diagnostic criteria, and preventive strategies that may ameliorate postoperative cognitive complications.
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Affiliation(s)
- Hisham A. Almuzayyen
- Department of Anesthesiology, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
- King Fahad Hospital of University, Imam Abdulrahman Bin Faisal University, Khobar, Saudi Arabia
| | - Tumul Chowdhury
- Department of Anesthesia, Toronto Western Hospital, Clinical Investigator, UHN, University of Toronto, Toronto, Canada
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Klaschik S, Coburn M. [Special features of the perioperative course in patients with frailty syndrome]. DIE ANAESTHESIOLOGIE 2023; 72:685-694. [PMID: 37594509 DOI: 10.1007/s00101-023-01321-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/04/2023] [Indexed: 08/19/2023]
Abstract
The demographic change with an increase in the number of geriatric patients presents major challenges for perioperative medicine. Frailty is a multimorbidity complex that incorporates a combination of various factors, such as physical weakness, slower walking speed and unwanted weight loss. It is of great importance that these patients receive an individually adapted perioperative care. This includes, among others, a preoperative examination for frailty, a structured prehabilitation according to the concept of better in, better out, the compliance with the guidelines on prevention and timely treatment of postoperative delirium as well as the continuous maintenance of the body's homeostasis. By means of these measures the risk of complications in this patient group can be reduced and the best possible postoperative results can be achieved.
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Affiliation(s)
- Sven Klaschik
- Klinik für Anästhesiologie und Operative Intensivmedizin, Universitätsklinik Bonn, Venusberg-Campus 1, 53127, Bonn, Deutschland
| | - Mark Coburn
- Klinik für Anästhesiologie und Operative Intensivmedizin, Universitätsklinik Bonn, Venusberg-Campus 1, 53127, Bonn, Deutschland.
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Coppens M, Steenhout A, De Baerdemaeker L. Adjuvants for balanced anesthesia in ambulatory surgery. Best Pract Res Clin Anaesthesiol 2023; 37:409-420. [PMID: 37938086 DOI: 10.1016/j.bpa.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/15/2022] [Accepted: 12/28/2022] [Indexed: 01/06/2023]
Abstract
Balanced anesthesia relies on the simultaneous administration of different drugs to attain an anesthetic state. The classic triad of anesthesia is a combination of a hypnotic, an analgesic, and a neuromuscular blocker. It is predominantly the analgesic pillar of this triad that became more and more supported by adjuvant therapy. The aim of this approach is to evolve into an opioid-sparing technique to cope with undesirable side effects of the opioids and is fueled by the opioid epidemic. The optimal strategy for balanced general anesthesia in ambulatory surgery must aim for a transition to a multimodal analgesic regimen dealing with acute postoperative pain and ideally reduce the most common adverse effects patients are faced with at home; sore throat, delayed awakening, memory disturbances, headache, nausea and vomiting, and negative behavioral changes. Over the years, this continuum of "multimodal general anesthesia" adopted many drugs with different modes of action. This review focuses on the most recent evidence on the different adjuvants that entered clinical practice and gives an overview of the different mechanisms of action, the potential as opioid-sparing or hypnotic-sparing drugs, and the applicability specifically in ambulatory surgery.
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Affiliation(s)
- Marc Coppens
- University Hospital Ghent, Belgium, Faculty of Medicine and Health Sciences, Department of Basic and Applied Medical Sciences, University Ghent, Belgium.
| | - Annelien Steenhout
- Department of Anesthesiology and Perioperative Medicine, University Hospital, Ghent, Belgium.
| | - Luc De Baerdemaeker
- University Hospital Ghent, Belgium, Faculty of Medicine and Health Sciences, Department of Basic and Applied Medical Sciences, University Ghent, Belgium.
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The Management of Postoperative Cognitive Dysfunction in Cirrhotic Patients: An Overview of the Literature. Medicina (B Aires) 2023; 59:medicina59030465. [PMID: 36984466 PMCID: PMC10053389 DOI: 10.3390/medicina59030465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/03/2023] Open
Abstract
Background and objectives: Postoperative cognitive dysfunction (POCD) represents a decreased cognitive performance in patients undergoing general anesthesia for major surgery. Since liver cirrhosis is associated with high mortality and morbidity rates, cirrhotic patients also assemble many risk factors for POCD. Therefore, preserving cognition after major surgery is a priority, especially in this group of patients. The purpose of this review is to summarize the current knowledge regarding the effectiveness of perioperative therapeutic strategies in terms of cognitive dysfunction reduction. Data Collection: Using medical search engines such as PubMed, Google Scholar, and Cochrane library, we analyzed articles on topics such as: POCD, perioperative management in patients with cirrhosis, hepatic encephalopathy, general anesthesia in patients with liver cirrhosis, depth of anesthesia, virtual reality in perioperative settings. We included 115 relevant original articles, reviews and meta-analyses, and other article types such as case reports, guidelines, editorials, and medical books. Results: According to the reviewed literature, the predictive capacity of the common clinical tools used to quantify cognitive dysfunction in cirrhotic settings is reduced in perioperative settings; however, novel neuropsychological tools could manage to better identify the subclinical forms of perioperative cognitive impairments in cirrhotic patients. Moreover, patients with preoperative hepatic encephalopathy could benefit from specific preventive strategies aimed to reduce the risk of further neurocognitive deterioration. Intraoperatively, the adequate monitoring of the anesthesia depth, appropriate anesthetics use, and an opioid-sparing technique have shown favorable results in terms of POCD. Early recovery after surgery (ERAS) protocols should be implemented in the postoperative setting. Other pharmacological strategies provided conflicting results in reducing POCD in cirrhotic patients. Conclusions: The perioperative management of the cognitive function of cirrhotic patients is challenging for anesthesia providers, with specific and targeted therapies for POCD still sparse. Therefore, the implementation of preventive strategies appears to remain the optimal attitude. Further research is needed for a better understanding of POCD, especially in cirrhotic patients.
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Xie X, Gao R, Chen H, Zhang X, Cai X, Zhang C, Liu C, Zhu T, Chen C. Effects of Glucocorticoids on Postoperative Neurocognitive Disorders in Adult Patients: A Systematic Review and Meta-Analysis. Front Aging Neurosci 2022; 14:939848. [PMID: 35847684 PMCID: PMC9284274 DOI: 10.3389/fnagi.2022.939848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 06/13/2022] [Indexed: 11/23/2022] Open
Abstract
Background Postoperative neurocognitive disorders (PNDs) is common among surgical patients, however, the effect of glucocorticoids for preventing PNDs is not clear. This review aims to evaluate the effect of glucocorticoids on the incidence of PNDs in adult patients undergoing surgery. Methods The databases of PubMed/Medline, Embase, the Cochrane Library, and Web of science were searched for all available randomized controlled trials (RCTs) from inception to April 30, 2022. RCTs comparing the effect of glucocorticoids with placebo on the incidence of PNDs in adult surgical patients (≥18 years old) were eligible. Subgroup analyses and meta-regressions were performed to evaluate sources of clinical heterogeneity. The level of certainty for main outcomes were assessed by the Grading of Recommendations Assessment, Development and Evaluation (GRADE) methodology. Results Eleven trials with a total of 10,703 patients were identified. Compared with the control group, glucocorticoids did not reduce the incidence of PNDs (RR: 0.84, 95% CI: 0.67 to 1.06, P = 0.13, GRADE = moderate). Secondary analyses for primary outcome did not change the result. In addition, the length of ICU stay was decreased in glucocorticoids group (RR: −13.58, 95% CI: −26.37 to −0.80, P = 0.04, GRADE = low). However, there were no significant differences between groups with regards to the incidence of postoperative infection (RR: 0.94, 95% CI: 0.84 to 1.06, P = 0.30, GRADE = moderate), blood glucose level (RR: 1.05, 95% CI: −0.09 to 2.19, P = 0.07, GRADE = low), duration of mechanical ventilation (RR: −2.44, 95% CI: −5.47 to 0.59, P = 0.14, GRADE = low), length of hospital stay (RR: −0.09, 95% CI: −0.27 to 0.09, P = 0.33, GRADE = moderate) and 30-day mortality (RR: 0.86, 95% CI: 0.70 to 1.06, P = 0.16, GRADE = moderate). Conclusions This meta-analysis suggests that perioperative administration of glucocorticoids may not reduce the incidence of PNDs after surgery. The effect of glucocorticoids on decreased length of ICU stay needs further researches. Future high-quality trials using acknowledged criteria and validated diagnostic tools are needed to determine the influence of glucocorticoids on long-term PNDs. Systematic Review Registration https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42022302262, identifier: CRD42022302262.
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Affiliation(s)
- Xiaoyu Xie
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and the Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Rui Gao
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and the Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Hai Chen
- Department of Respiratory and Critical Care Medicine, West China Medical School/West China Hospital, Sichuan University, Chengdu, China
- Department of Targeted Tracer Research and Development Laboratory, West China Hospital, Sichuan University, Chengdu, China
| | - Xueying Zhang
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and the Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Xingwei Cai
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and the Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Changteng Zhang
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and the Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Changliang Liu
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and the Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Tao Zhu
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and the Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Tao Zhu
| | - Chan Chen
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and the Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- Chan Chen
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Wilson SH, Wilson PR, Bridges KH, Bell LH, Clark CA. Nonopioid Analgesics for the Perioperative Geriatric Patient: A Narrative Review. Anesth Analg 2022; 135:290-306. [PMID: 35202007 DOI: 10.1213/ane.0000000000005944] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Management of acute perioperative pain in the geriatric patient can be challenging as the physiologic and pharmacokinetic changes associated with aging may predispose older patients to opioid-related side effects. Furthermore, elderly adults are more susceptible to postoperative delirium and postoperative cognitive dysfunction, which may be exacerbated by both poorly controlled postoperative pain and commonly used pain medications. This narrative review summarizes the literature published in the past 10 years for several nonopioid analgesics commonly prescribed to the geriatric patient in the perioperative period. Nonopioid analgesics are broken down as follows: medications prescribed throughout the perioperative period (acetaminophen and nonsteroidal anti-inflammatory drugs), medications limited to the acute perioperative setting (N-methyl-D-aspartate receptor antagonists, dexmedetomidine, dexamethasone, and local anesthetics), and medications to be used with caution in the geriatric patient population (gabapentinoids and muscle relaxants). Our search identified 1757 citations, but only 33 specifically focused on geriatric analgesia. Of these, only 21 were randomized clinical trials' and 1 was a systematic review. While guidance in tailoring pain regimens that focus on the use of nonopioid medications in the geriatric patient is lacking, we summarize the current literature and highlight that some nonopioid medications may extend benefits to the geriatric patient beyond analgesia.
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Affiliation(s)
- Sylvia H Wilson
- From the Department of Anesthesia and Perioperative Medicine, Medical University of South Carolina, Charleston, South Carolina
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Swarbrick CJ, Partridge JSL. Evidence‐based strategies to reduce the incidence of postoperative delirium: a narrative review. Anaesthesia 2022; 77 Suppl 1:92-101. [DOI: 10.1111/anae.15607] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/01/2021] [Indexed: 12/18/2022]
Affiliation(s)
- C. J. Swarbrick
- Department of Anaesthesia Royal Devon and Exeter Hospital Exeter UK
| | - J. S. L. Partridge
- Peri‐operative medicine for Older People undergoing Surgery Department of Ageing and Health Guy's and St Thomas' NHS Foundation Trust London UK
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Vu T, Smith JA. An Update on Postoperative Cognitive Dysfunction Following Cardiac Surgery. Front Psychiatry 2022; 13:884907. [PMID: 35782418 PMCID: PMC9240195 DOI: 10.3389/fpsyt.2022.884907] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 05/23/2022] [Indexed: 12/14/2022] Open
Abstract
Postoperative cognitive dysfunction is extremely prevalent following cardiac surgery. The increasing patient age and comorbidity profile increases their susceptibility to cognitive impairment. The underlying pathophysiological mechanisms leading to cognitive impairment are not clearly elucidated. Using the contemporary literature (2015-present), this narrative review has three aims. Firstly, to provide an overview of postoperative cognitive impairment. Secondly, to analyse the predominant pathophysiological mechanisms leading to cognitive dysfunction following cardiac surgery such as inflammation, cerebral hypoperfusion, cerebral microemboli, glycaemic control and anaesthesia induced neurotoxicity. Lastly, to assess the current therapeutic strategies of interest to address these pathophysiological mechanisms, including the administration of dexamethasone, the prevention of prolonged cerebral desaturations and the monitoring of cerebral perfusion using near-infrared spectroscopy, surgical management strategies to reduce the neurological effects of microemboli, intraoperative glycaemic control strategies, the effect of volatile vs. intravenous anaesthesia, and the efficacy of dexmedetomidine.
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Affiliation(s)
- Tony Vu
- Department of Cardiothoracic Surgery, Monash Health, Melbourne, VIC, Australia.,Department of Surgery, School of Clinical Sciences at Monash Health, Monash University, Melbourne, VIC, Australia
| | - Julian A Smith
- Department of Cardiothoracic Surgery, Monash Health, Melbourne, VIC, Australia.,Department of Surgery, School of Clinical Sciences at Monash Health, Monash University, Melbourne, VIC, Australia
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Abstract
PURPOSE OF REVIEW Postoperative neurocognitive disorders (NCD) are significant causes of morbidity and mortality. In this paper, we will review our understanding and potential management of postoperative NCD. RECENT FINDINGS Postoperative delirium, delayed neurocognitive recovery and postoperative cognitive dysfunction (POCD) are recognized as a part of the continuous spectrum of postoperative NCD. Although the pathophysiology is still poorly understood, there is renewed focus on improving neurocognitive outcomes of aging surgical population. Novel methods of neurocognitive screening are developed and research in the prevention and management of NCD has gained traction. SUMMARY A spectrum of NCD exists in surgical patients ranging from postoperative delirium, delayed neurocognitive recovery, and POCD. Identification of patients at-risk for developing NCD can help target appropriate perioperative intervention. Also, specialized care teams and the implementation of standardized protocols are crucial for the successful management perioperative NCD. Finally, large, randomized, multicenter studies are needed to confirm benefits of preventive and treatment strategies.
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Liu W, Wang Y, Wang J, Shi J, Pan J, Wang D. Effects of Glucocorticoids on Postoperative Delirium in Adult Patients Undergoing Cardiac Surgery: A Systematic Review and Meta-analysis. Clin Ther 2021; 43:1608-1621. [PMID: 34548175 DOI: 10.1016/j.clinthera.2021.07.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 07/05/2021] [Accepted: 07/26/2021] [Indexed: 02/08/2023]
Abstract
PURPOSE Delirium is a common neurologic complication after cardiac surgery and is associated with a poor prognosis. Several studies have explored the effects of glucocorticoids on postoperative delirium (POD). However, conclusion have been inconsistent. The purpose of this systematic review and meta-analysis is to evaluate the effects of glucocorticoids on POD in adult patients undergoing cardiac surgery. METHODS A systematic literature search was conducted using PubMed/MEDLINE, Embase, Cochrane Library/Central, and Web of Science from inception to January 28, 2021. Randomized controlled trials evaluating the effects of perioperative glucocorticoids administration on the incidence of POD in adults (≥18 years of age) undergoing cardiac surgery were included. The primary outcome of incidence of POD was assessed using the risk ratio (RR) with a fixed-effects model. Secondary analyses included the severity or duration of delirium, mortality at 30 days, length of hospital and intensive care unit (ICU) stay, duration of mechanical ventilatory support, the incidence of myocardial injury, new atrial fibrillation, renal and respiratory failure, postoperative infection and stroke, and the level of glucose and inflammatory factors. FINDINGS A total 4 trials (n = 8448 patients) were included. Glucocorticoids did not significantly reduce the incidence of POD (RR = 0.99; 95% CI, 0.86-1.14) but increased the risk of myocardial injury (RR = 1.22; 95% CI, 1.08-1.38), decreased the duration of mechanical ventilatory support (mean difference, -0.83; 95% CI, -1.32 to -0.34), and led to a tendency toward short length of ICU stay (mean difference, -0.22; 95% CI, -0.47 to -0.03). No significant differences were observed in other secondary outcomes. IMPLICATIONS The perioperative administration of glucocorticoids did not reduce the incidence of POD in adult patients undergoing cardiac surgery but might be associated with shorter duration of mechanical ventilatory support and a tendency toward a shorter length of ICU stay. Furthermore, we found that glucocorticoids may increase the rate of myocardial injury but have no effects on other clinical outcomes. International Prospective Register of Systematic Reviews identifier: CRD42021233458.
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Affiliation(s)
- Wenxue Liu
- Department of Thoracic and Cardiovascular Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Institute of Cardiothoracic Vascular Disease, Nanjing University, Nanjing China
| | - Yali Wang
- Department of Thoracic and Cardiovascular Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Institute of Cardiothoracic Vascular Disease, Nanjing University, Nanjing China
| | - Junxia Wang
- Department of Thoracic and Cardiovascular Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Institute of Cardiothoracic Vascular Disease, Nanjing University, Nanjing China
| | - Jian Shi
- Department of Thoracic and Cardiovascular Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Institute of Cardiothoracic Vascular Disease, Nanjing University, Nanjing China
| | - Jun Pan
- Department of Thoracic and Cardiovascular Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Institute of Cardiothoracic Vascular Disease, Nanjing University, Nanjing China.
| | - Dongjin Wang
- Department of Thoracic and Cardiovascular Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Institute of Cardiothoracic Vascular Disease, Nanjing University, Nanjing China.
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Choi S, Jerath A, Jones P, Avramescu S, Djaiani G, Syed S, Saha T, Kaustov L, Kiss A, D'Aragon F, Hedlin P, Rajamohan R, Couture EJ, Singh A, Mapplebeck JC, Wong S, Orser BA. Cognitive Outcomes after DEXmedetomidine sedation in cardiac surgery: CODEX randomised controlled trial protocol. BMJ Open 2021; 11:e046851. [PMID: 33849856 PMCID: PMC8051371 DOI: 10.1136/bmjopen-2020-046851] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION Older patients undergoing cardiac surgery carry the highest risk for developing major postoperative neurocognitive disorder (postoperative NCD or P-NCD) with up to 25% incidence 3 months after surgery. P-NCD is associated with significant morbidity, mortality, loss of independence, premature retirement and increased healthcare costs. This multicentre randomised trial is investigating the efficacy of postoperative dexmedetomidine sedation in reducing the incidence of major P-NCD after cardiac surgery compared with standard protocols. CODEX will be the largest interventional trial with major P-NCD as the primary outcome. METHODS AND ANALYSIS CODEX is recruiting patients ≥60 years old, undergoing elective cardiac surgery and without pre-existing major cognitive dysfunction or dementia. Eligible participants are randomised to receive postoperative dexmedetomidine or standard institutional sedation protocols in the intensive care unit. Baseline preoperative cognitive function is assessed with the computer-based Cogstate Brief Battery. The primary outcome, major P-NCD, 3 months after surgery is defined as a decrease in cognitive function ≥1.96 SD below age-matched, non-operative controls. Secondary outcomes include delirium, major P-NCD at 6/12 months, depressive symptoms, mild P-NCD and quality of surgical recovery at 3/6/12 months. The specific diagnostic criteria used in this protocol are consistent with the recommendations for clinical assessment and management of NCD from the Nomenclature Consensus Working Group on perioperative cognitive changes. Intention-to-treat analysis will compare major P-NCD at 3 months between study groups. ETHICS AND DISSEMINATION CODEX was approved by Sunnybrook Health Sciences Centre Research Ethics Board (REB) (Project ID 1743). This will be the first multicentre, randomised controlled trial to assess the efficacy of a pharmacological intervention to reduce the incidence of major P-NCD after cardiac surgery in patients ≥60 years old. Dissemination of the study results will include briefings of key findings and interpretation, conference presentations and peer-reviewed publications. TRIAL REGISTRATION NUMBER NCT04289142.
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Affiliation(s)
- Stephen Choi
- Department of Anesthesia, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
- Department of Anesthesiology and Pain Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Angela Jerath
- Department of Anesthesia, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
- Department of Anesthesiology and Pain Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Philip Jones
- Department of Anesthsia and Perioperative Medicine, University of Western Ontario, London, Ontario, Canada
| | - Sinziana Avramescu
- Department of Anesthesiology and Pain Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
- Department of Anesthesia, Humber River Hospital, Toronto, Ontario, Canada
| | - George Djaiani
- Department of Anesthesiology and Pain Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
- Department of Anesthesia and Pain Management, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
| | - Summer Syed
- Department of Anesthesia, McMaster University, Hamilton, Ontario, Canada
| | - Tarit Saha
- Department of Anesthesiology and Perioperative Medicine, Queen's University, Kingston, Ontario, Canada
| | - Lilia Kaustov
- Department of Anesthesia, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Alex Kiss
- Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Frédérick D'Aragon
- Départment d'anesthésiologie, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Peter Hedlin
- Department of Anesthesiology, Perioperative Medicine and Pain Management, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Raja Rajamohan
- Department of Anesthesiology, Pharmacology & Therapeutics, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Etienne J Couture
- Department of Anesthesiology and Cardiac Surgical Intensive Care Division, Montreal Heart Institute, Université de Montréal, Montreal, Quebec, Canada
| | - Amara Singh
- Department of Anesthesia, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Josiane Cs Mapplebeck
- Department of Anesthesia, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Sophia Wong
- Department of Anesthesia, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
- Department of Anesthesiology and Pain Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Beverley Anne Orser
- Department of Anesthesia, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
- Department of Anesthesiology and Pain Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada
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Wu Z, Li H, Liao K, Wang Y. Association Between Dexamethasone and Delirium in Critically Ill Patients: A Retrospective Cohort Study of a Large Clinical Database. J Surg Res 2021; 263:89-101. [PMID: 33639374 DOI: 10.1016/j.jss.2021.01.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 01/01/2021] [Accepted: 01/22/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Delirium is a common complication in intensive care unit (ICU) patients, and it can significantly increase the length of hospital stay and cost. Dexamethasone is widely used in various inflammatory diseases and must be used with caution in critically ill patients. Previous studies have shown that the effect of corticosteroid use on the development of delirium in critically ill patients is still controversial, and there is inconclusive conclusion about the effect of dexamethasone on delirium in such patients. Therefore, this study aimed to confirm the effect of dexamethasone use and the dose on the incidence of delirium and patient prognosis in critically ill patients through a large cohort study. METHODS A retrospective cohort study was conducted using data extracted from the Medical Information Mart for Intensive Care III database, which is a large and freely available database of all 46,476 patients who visited Beth Israel Deaconess Medical Center in Boston, Massachusetts, USA and were admitted to the ICU between 2001 and 2012. The primary outcome was the development of delirium, using multivariate logistic regression analysis to reveal the relationship between dexamethasone and delirium. Secondary endpoints were in-hospital mortality, ICU mortality, total length of stay, and length of ICU stay, and the relationship between dexamethasone and prognosis was assessed with Cox proportional hazards models. Propensity score matching with 1:1 grouping was used to eliminate the effect of confounders on both cohorts. The locally weighted scatter plot smoothing technique was used to investigate the dose correlation between dexamethasone and outcomes, subgroup analysis was used to account for heterogeneity, and different correction models and propensity matching analysis were used to eliminate potential confounders. RESULTS Finally, 38,509 patients were included, and 2204 (5.7%) used dexamethasone. No significant statistical difference was observed in basic demographic information after propensity score matching between the two study groups. A significantly higher incidence of delirium (5.0% versus 3.4%, P < 0.001), increased in-hospital mortality (14.9% versus 10.3%, P < 0.001), ICU mortality (9.0% versus 7.5%, P = 0.008), and longer length of stay and ICU stay were observed in patients taking dexamethasone compared with those not taking dexamethasone. Multivariate logistic and Cox regression analyses confirmed that dexamethasone was significantly associated with delirium (adjusted odds ratio = 1.48, 95% confidence interval [CI] = 1.09-2.00, P = 0.012), in-hospital mortality (adjusted hazard ratio = 1.19, 95% CI = 1.02-1.40, P = 0.032), and ICU mortality (adjusted hazard ratio = 1.62, 95% CI = 1.22-2.15, P = 0.001). Compared with critically ill patients using high-dose dexamethasone, the risk of delirium was lower in the dose less than the 10 mg group, and patients using 10-14 mg may be associated with a lower risk of in-hospital death and the least ICU mortality, length of hospital stay, and ICU stay. CONCLUSIONS This study demonstrated that the use of dexamethasone in critically ill patients exacerbated the occurrence of delirium while increasing the risk of in-hospital death, ICU death, and length of hospital stay, with a lower risk of delirium and a shorter total length of hospital stay with low-dose dexamethasone than with larger doses.
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Affiliation(s)
- Zehao Wu
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Huili Li
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Kaihua Liao
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yun Wang
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
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Brodier EA, Cibelli M. Postoperative cognitive dysfunction in clinical practice. BJA Educ 2020; 21:75-82. [PMID: 33889433 DOI: 10.1016/j.bjae.2020.10.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/20/2020] [Indexed: 12/13/2022] Open
Affiliation(s)
- E A Brodier
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - M Cibelli
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
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Morshed RA, Young JS, Kroliczek AA, Berger MS, Brang D, Hervey-Jumper SL. A Neurosurgeon's Guide to Cognitive Dysfunction in Adult Glioma. Neurosurgery 2020; 89:1-10. [PMID: 33289504 DOI: 10.1093/neuros/nyaa400] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 07/02/2020] [Indexed: 11/13/2022] Open
Abstract
Cognitive decline is common among patients with low- and high-grade glioma and can significantly impact quality of life. Although cognitive outcomes have been studied after therapeutic interventions such as surgery and radiation, it is important to understand the impact of the disease process itself prior to any interventions. Neurocognitive domains of interest in this disease context include intellectual function and premorbid ability, executive function, learning and memory, attention, language function, processing speed, visuospatial function, motor function, and emotional function. Here, we review oncologic factors associated with more neurocognitive impairment, key neurocognitive tasks relevant to glioma patient assessment, as well as the relevance of the human neural connectome in understanding cognitive dysfunction in glioma patients. A contextual understanding of glioma-functional network disruption and its impact on cognition is critical in the surgical management of eloquent area tumors.
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Affiliation(s)
- Ramin A Morshed
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California
| | - Jacob S Young
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California
| | - Arlena A Kroliczek
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California
| | - Mitchel S Berger
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California
| | - David Brang
- Department of Psychology, University of Michigan, Ann Arbor, Michigan
| | - Shawn L Hervey-Jumper
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California
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Li M, Yang Y, Ma Y, Wang Q. Pharmacological Agents That Prevent Postoperative Cognitive Dysfunction in Patients With General Anesthesia: A Network Meta-analysis. Am J Ther 2020; 28:e420-e433. [PMID: 34228651 DOI: 10.1097/mjt.0000000000001271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Postoperative cognitive dysfunction (POCD) is associated with prolonged hospital stays, increased mortality, and negative socioeconomic consequences. Dexmedetomidine, ketamine, dexamethasone, and lidocaine have previously been reported to be effective for preventing POCD. STUDY QUESTION In this network meta-analysis, we apply direct and indirect comparisons to rank these pharmacological agents in terms of their effect on POCD, through which we seek to provide evidence for future clinical medication. DATA SOURCES A comprehensive literature search of PubMed, EMBASE, the Cochrane Library, and Web of Science was conducted to identify randomized controlled trials that examined the effects of dexmedetomidine, ketamine, dexamethasone, or lidocaine on POCD induced by general anesthesia. STUDY DESIGN For eligible studies, 2 reviewers independently extracted data and assessed the respective risk of bias. Bayesian network meta-analysis was conducted using R-3.4.1 software. A total of 30 articles were included in this meta-analysis. RESULTS Direct comparison showed that dexmedetomidine [odds ratio (OR) = 0.42, 95% confidence interval (CI): 0.32-0.55] may decrease the incidence of POCD for noncardiac surgery; dexmedetomidine (OR = 0.08, 95% CI: 0.01-0.63) and ketamine (OR = 0.09, 95% CI: 0.02-0.32) were found to decrease POCD for cardiac surgery. The R-software ranking result for prevention of POCD was dexmedetomidine, lidocaine, ketamine, placebo, and dexamethasone, respectively, in noncardiac surgery, and dexmedetomidine, ketamine, lidocaine, placebo, and dexamethasone in cardiac surgery. CONCLUSION Dexmedetomidine exhibited obvious superiority to other agents for noncardiac surgery; dexmedetomidine and ketamine exhibited a significantly better performance than other agents for cardiac surgery. Dexamethasone did not show better efficacy than the placebo. However, more rigorously designed studies comprising larger sample sizes are needed to confirm our findings.
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Affiliation(s)
- Mingguo Li
- Institute of Urology, Chinese Medicine Hospital of Linyi, Linyi City, China
| | - Yuanyuan Yang
- Department of Anesthesiology, Women and Children's Health Care Hospital of Linyi, Linyi City, China
| | - Yanfang Ma
- The Evidence Based Medicine Center, Lanzhou University, Lanzhou City, China; and
| | - Qi Wang
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada
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Dabrowski W, Siwicka-Gieroba D, Gasinska-Blotniak M, Zaid S, Jezierska M, Pakulski C, Williams Roberson S, Wesley Ely E, Kotfis K. Pathomechanisms of Non-Traumatic Acute Brain Injury in Critically Ill Patients. ACTA ACUST UNITED AC 2020; 56:medicina56090469. [PMID: 32933176 PMCID: PMC7560040 DOI: 10.3390/medicina56090469] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 12/27/2022]
Abstract
Delirium, an acute alteration in mental status characterized by confusion, inattention and a fluctuating level of arousal, is a common problem in critically ill patients. Delirium prolongs hospital stay and is associated with higher mortality. The pathophysiology of delirium has not been fully elucidated. Neuroinflammation and neurotransmitter imbalance seem to be the most important factors for delirium development. In this review, we present the most important pathomechanisms of delirium in critically ill patients, such as neuroinflammation, neurotransmitter imbalance, hypoxia and hyperoxia, tryptophan pathway disorders, and gut microbiota imbalance. A thorough understanding of delirium pathomechanisms is essential for effective prevention and treatment of this underestimated pathology in critically ill patients.
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Affiliation(s)
- Wojciech Dabrowski
- Department of Anaesthesiology and Intensive Care, Medical University of Lublin, 20-954 Lublin, Poland; (D.S.-G.); (M.G.-B.); (M.J.)
- Correspondence: or (W.D.); (K.K.)
| | - Dorota Siwicka-Gieroba
- Department of Anaesthesiology and Intensive Care, Medical University of Lublin, 20-954 Lublin, Poland; (D.S.-G.); (M.G.-B.); (M.J.)
| | - Malgorzata Gasinska-Blotniak
- Department of Anaesthesiology and Intensive Care, Medical University of Lublin, 20-954 Lublin, Poland; (D.S.-G.); (M.G.-B.); (M.J.)
| | - Sami Zaid
- Department of Anaesthesia, Al-Emadi-Hospital Doha, P.O. Box 5804 Doha, Qatar;
| | - Maja Jezierska
- Department of Anaesthesiology and Intensive Care, Medical University of Lublin, 20-954 Lublin, Poland; (D.S.-G.); (M.G.-B.); (M.J.)
| | - Cezary Pakulski
- Department of Anaesthesiology, Intensive Therapy and Emergency Medicine, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland;
| | - Shawniqua Williams Roberson
- Critical Illness, Brain Dysfunction, and Survivorship (CIBS) Center, Vanderbilt University Medical Center, 1211, Nashville, TN 37232, USA; (S.W.R.); (E.W.E.)
- Department of Neurology, Vanderbilt University Medical Center, 1211, Nashville, TN 37232, USA
- Department of Biomedical Engineering, Vanderbilt University, 1211, Nashville, TN 37232, USA
| | - Eugene Wesley Ely
- Critical Illness, Brain Dysfunction, and Survivorship (CIBS) Center, Vanderbilt University Medical Center, 1211, Nashville, TN 37232, USA; (S.W.R.); (E.W.E.)
- Geriatric Research, Education and Clinical Center (GRECC), Tennessee Valley Veterans Affairs Healthcare System, 1310, Nashville, TN 37212, USA
- Division of Allergy, Pulmonary, and Critical Care Medicine, Vanderbilt University Medical Center, 1211, Nashville, TN 37232, USA
| | - Katarzyna Kotfis
- Department of Anaesthesiology, Intensive Therapy and Acute Intoxications, Pomeranian Medical University, 70-111 Szczecin, Poland
- Correspondence: or (W.D.); (K.K.)
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Scicutella A. The pharmacotherapeutic management of postoperative delirium: an expert update. Expert Opin Pharmacother 2020; 21:905-916. [PMID: 32156151 DOI: 10.1080/14656566.2020.1738388] [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: 12/15/2022]
Abstract
INTRODUCTION Postoperative delirium is a common sequela in older adults in the peri-operative period leading to poor outcomes with a complex pathophysiology which has led to a variety of different pharmacologic agents employed in attempts to prevent and treat this syndrome. No pharmacologic agent has been approved to treat this disorder, but this review discusses the pharmacologic strategies which have been tried based on the hypotheses of the causation of the syndrome including neurotransmitter imbalance, inflammation, and oxidative stress. AREAS COVERED Systematic reviews and meta-analyses of randomized clinical trials (RCTs) were included via search of electronic databases specifically for the terms postoperative delirium and pharmacologic treatments. With this approach, the recurrent topics of analgesia and sedation, antipsychotics, acetylcholinesterase inhibitors (AchE-Is), inflammation, and melatonin were emphasized and provided the outline for this review. EXPERT OPINION Research evidence does not support any particular agent in any of the pharmacologic classes reviewed. However, there is some potential benefit with dexmedetomidine, melatonin, and the monitoring of anesthetic agents all of which need further clinical trials to validate these conclusions. Exploration of ways to improve studies and the application of novel pharmacologic agents may offer future benefit.
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Affiliation(s)
- Angela Scicutella
- Department of Psychiatry, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell , Hempstead, NY, USA.,Psychiatry, SUNY Health Science Center at Brooklyn - Behavioral Health , Brooklyn, NY, USA
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Abstract
This review is intended to provide a summary of the literature pertaining to the perioperative care of neurosurgical patients and patients with neurological diseases. General topics addressed in this review include general neurosurgical considerations, stroke, neurological monitoring, and perioperative disorders of cognitive function.
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Liu Y, Su M, Li W, Yuan H, Yang C. Comparison of general anesthesia with endotracheal intubation, combined spinal-epidural anesthesia, and general anesthesia with laryngeal mask airway and nerve block for intertrochanteric fracture surgeries in elderly patients: a retrospective cohort study. BMC Anesthesiol 2019; 19:230. [PMID: 31847846 PMCID: PMC6916001 DOI: 10.1186/s12871-019-0908-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 12/08/2019] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND There is no consensus on the optimal anesthesia method for intertrochanteric fracture surgeries in elderly patients. Our study aimed to compare the hemodynamics and perioperative outcomes of general anesthesia with endotracheal intubation, combined spinal-epidural anesthesia, and general anesthesia with laryngeal mask airway (LMA) and nerve block for intertrochanteric fracture surgeries in elderly patients. METHODS This is a retrospective study of 75 patients aged > 60 years scheduled for intertrochanteric fracture surgeries with general anesthesia with intubation (n = 25), combined spinal-epidural anesthesia (n = 25), and general anesthesia with LMA and nerve block (n = 25). The intraoperative hemodynamics were recorded, and the maximum variation rate was calculated. Postoperative analgesic effect was evaluated using the visual analog scale (VAS). Postoperative cognitive status was assessed using the Mini-Mental State Exam (MMSE). RESULTS The maximum variation rate of intraoperative heart rate, systolic blood pressure, diastolic blood pressure differed significantly between the three groups (general anesthesia with intubation > combined spinal-epidural anesthesia > general anesthesia with LMA and nerve block). The VAS scores postoperative 2 h, 4 h, 6 h, and 8 h also differed significantly between the three groups (general anesthesia with intubation > combined spinal-epidural anesthesia > general anesthesia with LMA and nerve block). The VAS scores postoperative 24 h were significantly lower in the general anesthesia with LMA/nerve block group than the general anesthesia with intubation group and the combined spinal-epidural anesthesia group. The MMSE scores postoperative 15 min and 45 min differed significantly between the three groups (general anesthesia with intubation < combined spinal-epidural anesthesia < general anesthesia with LMA and nerve block). The MMSE scores postoperative 120 min in the general anesthesia with intubation group were the lowest among the three groups. There was no significant difference in the incidence of respiratory infection postoperative 24 h, 48 h, and 72 h between the three groups. CONCLUSION Compared to general anesthesia with intubation and combined spinal-epidural anesthesia, general anesthesia with LMA and nerve block had better postoperative analgesic effect and less disturbances on intraoperative hemodynamics and postoperative cognition for elderly patients undergoing intertrochanteric fracture surgeries.
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Affiliation(s)
- Yang Liu
- Department of Orthopedics, Chengdu Aerospace Hospital, Chengdu, 610100, China
| | - Mang Su
- Department of Anesthesia, Chengdu Aerospace Hospital, Chengdu, 610100, China
| | - Wei Li
- Department of Orthopedics, Chengdu Aerospace Hospital, Chengdu, 610100, China
| | - Hao Yuan
- Department of Orthopedics, Chengdu Aerospace Hospital, Chengdu, 610100, China
| | - Cheng Yang
- Department of Orthopedics, Chengdu Aerospace Hospital, Chengdu, 610100, China.
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