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Hsiao WJ, Chen CY, Kang YN, Hu CJ, Chen CH, Lin PL, Lin YC. Apolipoprotein E4 allele is genetically associated with risk of the short- and medium-term postoperative cognitive dysfunction: A meta-analysis and trial sequential analysis. PLoS One 2023; 18:e0282214. [PMID: 36827351 PMCID: PMC9955600 DOI: 10.1371/journal.pone.0282214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 02/09/2023] [Indexed: 02/25/2023] Open
Abstract
The aim of systematic review and meta-analysis was to investigate whether APOE4 was associated with postoperative neurologic dysfunction occurrence in short- or medium-term among surgical patients and to study the potential genetic association among these two entities. We searched electronic databases for reserch studies to evaluate the association of APOE4 with postoperative delirium (POD) or short- and medium term postoperative cognitive dysfunction (POCD). Twenty-two trials (16 prospective and six retrospective) with 6734 patients were included. APOE4 alleles was shown significantly associated with POCD within 1 week (odds ratio, OR, 1.89, 95% confidence interval, CI, 1.36 to 2.6278, p < 0.01) in the random-effects model. A significant association was also noted between APOE4 and POCD in medium-term, 1-3 months, after surgery (OR: 1.67, 95% CI: 1.003-2.839, p = 0.049). However, APOE4 was not significantly associated with POCD 1 year after surgery (OR: 0.98, 95% CI: 0.57-1.70, p = 0.9449) and POD (OR: 1.28, 95% CI: 0.85-1.91, p = 0.23). In conclusion, APOE4 alleles was genetically associated with short- and medium-term postoperative neurological dysfunction and future screening or preventive strategies derived is highly potential to improve outcomes.
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Affiliation(s)
- Wei-Jen Hsiao
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chien-Yu Chen
- Department of Anesthesia, Taipei Medical University Hospital, Taipei, Taiwan
- Department of Anesthesia, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Humanities in Medicine, College of Humanities and Social Sciences, Taipei Medical University, Taipei, Taiwan
| | - Yi-No Kang
- Evidence-Based Medicine Center, Wan Fang Hospital, Taipei Medical University, Taipei City, Taiwan
- Cochrane Taiwan, Taipei Medical University, Taipei City, Taiwan
- Institute of Health Policy and Management, College of Public Health, National Taiwan University, Taipei City, Taiwan
| | - Chaur-Jong Hu
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Neurology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Che-Hong Chen
- Department of Chemical and Systems Biology, School of Medicine, Stanford University, Stanford, California, United States of America
| | - Pei-Lin Lin
- Department of Anesthesia, National Taiwan University Hospital, Taipei, Taiwan
| | - Yu-Cih Lin
- Department of Anesthesia, Taipei Medical University Hospital, Taipei, Taiwan
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
- Post-Baccalaureate Program in Nursing, College of Nursing, Taipei Medical University, Taipei City, Taiwan
- * E-mail:
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Augoustides JG. Protecting the Central Nervous System During Cardiac Surgery. Perioper Med (Lond) 2022. [DOI: 10.1016/b978-0-323-56724-4.00022-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Bowden T, Hurt CS, Sanders J, Aitken LM. Predictors of cognitive dysfunction after cardiac surgery: a systematic review. Eur J Cardiovasc Nurs 2021; 21:192-204. [PMID: 34718486 DOI: 10.1093/eurjcn/zvab086] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/23/2021] [Accepted: 08/30/2021] [Indexed: 11/13/2022]
Abstract
AIMS Postoperative cognitive dysfunction (POCD) is often experienced by cardiac surgery patients; however, it is not known if some groups of patients experience this more frequently or severely than others.The aim of this systematic review was to identify preoperative and postoperative predictors of cognitive dysfunction in adults following cardiac surgery. METHODS AND RESULTS Eight bibliographic databases were searched (January 2005 to March 2021) in relation to cardiac surgery and cognition. Studies including adult patients who had undergone open cardiac surgery and using a validated measurement of cognitive function were included. Full-text review for inclusion, quality assessment, and data extraction were undertaken independently by two authors.A total of 2870 papers were identified, of which 36 papers met the inclusion criteria and were included in the review. The majority were prospective observational studies [n = 28 (75.7%)]. In total, 61 independent predictors (45 preoperative and 16 postoperative) were identified as significant in at least one study; advancing age and education level appear important. Age has emerged as the most common predictor of cognitive outcome. CONCLUSION Although a number of predictors of POCD have been identified, they have inconsistently been reported as significantly affecting cognitive outcome. Consistent with previous research, our findings indicate that older patients and those with lower educational levels should be prioritized when developing and trialling interventions to improve cognitive function. These findings are less than surprising if we consider the methodological shortcomings of included studies. It is evident that further high-quality research exploring predictors of POCD is required.
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Affiliation(s)
- Tracey Bowden
- School of Health Sciences, City, University of London, Northampton Square, London EC1V 0HB, UK
| | - Catherine S Hurt
- School of Health Sciences, City, University of London, Northampton Square, London EC1V 0HB, UK
| | - Julie Sanders
- St Bartholomew's Hospital, Barts Health NHS Trust, West Smithfield, London EC1V 0HB, UK.,The William Harvey Research Institute, Barts & the London School of Medicine & Dentistry, Queen Mary University London, Charterhouse Square, London EC1M 6BQ, UK
| | - Leanne M Aitken
- School of Health Sciences, City, University of London, Northampton Square, London EC1V 0HB, UK.,School of Nursing and Midwifery, Griffith University, 170 Kessels Road, Nathan, Queensland QLD 4111, Australia
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Apolipoprotein E ε4 and cognitive function after surgery in middle-aged and elderly Danish twins. Eur J Anaesthesiol 2021; 37:984-991. [PMID: 32618758 DOI: 10.1097/eja.0000000000001250] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Transient cognitive impairment is common in adult patients of all ages following anaesthesia and surgery. Apolipoprotein E (APOE) ε4 carriers may have a larger deterioration in short-term cognitive function after major surgery compared with APOE ε4 noncarriers. OBJECTIVES The aim was to examine the effect of APOE ε4 on the association between exposure to surgery and anaesthesia, and subsequent cognitive functioning. A more pronounced deterioration in cognitive function in APOE ε4 carriers was hypothesised. DESIGN An observational cross-sectional and a 6 to 10 years longitudinal twin cohort design. SETTING Survey and register study of 2936 Danish twins aged 45 to 92 years. MAIN OUTCOME MEASURES Cognitive function was assessed using five age-sensitive cognitive tests. In the cross-sectional study, we compared twins exposed to surgery with a reference group (unexposed). Linear regression models were used adjusting for sex and age and stratified by APOE ε4 carrier status. In the longitudinal cognitive follow-up study 1671 twins participated. Intrapair analyses were also performed using 70 same-sexed twin pairs concordant for APOE ε4 carrier status, but discordant for major surgery. RESULTS APOE ε4 carriers had lower cognitive scores compared with noncarriers, and this was statistically significant in elderly twins 70+ years of age (mean difference, -0.67; 95% CI, -1.14 to -0.17). There was no significant impact on cognitive function after surgery according to APOE ε4 carrier status in the cross-sectional study. Similarly, there was no APOE ε4 modification in the longitudinal study. Also, in the intrapair analyses no evidence was found of lower cognitive score after major surgery compared with the nonexposed cotwins among APOE ε4 carriers. CONCLUSION No evidence was found of more pronounced long-term deterioration in cognitive function after surgery among APOE ε4 carriers, but elderly APOE ε4 carriers in general performed worse on the cognitive tests than noncarriers.
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Wang Y, Huang A, Gan L, Bao Y, Zhu W, Hu Y, Ma L, Wei S, Lan Y. Screening of Potential Genes and Transcription Factors of Postoperative Cognitive Dysfunction via Bioinformatics Methods. Med Sci Monit 2018; 24:503-510. [PMID: 29374768 PMCID: PMC5791419 DOI: 10.12659/msm.907445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background The aim of this study was to explore the potential genes and transcription factors involved in postoperative cognitive dysfunction (POCD) via bioinformatics analysis. Material/Methods GSE95070 miRNA expression profiles were downloaded from Gene Expression Omnibus database, which included five hippocampal tissues from POCD mice and controls. Moreover, the differentially expressed miRNAs (DEMs) between the two groups were identified. In addition, the target genes of DEMs were predicted using Targetscan 7.1, followed by protein-protein interaction (PPI) network construction, functional enrichment analysis, pathway analysis, and prediction of transcription factors (TFs) targeting the potential targets. Results A total of eight DEMs were obtained, and 823 target genes were predicted, including 170 POCD-associated genes. Furthermore, potential key genes in the network were remarkably enriched in focal adhesion, protein digestion and absorption, ECM-receptor interaction, and Wnt and MAPK signaling pathways. Conclusions Most potential target genes were involved in the regulation of TFs, including LEF1, SP1, and AP4, which may exert strong impact on the development of POCD.
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Affiliation(s)
- Yafeng Wang
- Department of Anesthesiology, People’s Hospital of Guangxi Zhuang Autonomous
Region, Nanning, Guangxi, P.R. China
| | - Ailan Huang
- Department of Anesthesiology, People’s Hospital of Guangxi Zhuang Autonomous
Region, Nanning, Guangxi, P.R. China
| | - Lixia Gan
- Department of Anesthesiology, People’s Hospital of Guangxi Zhuang Autonomous
Region, Nanning, Guangxi, P.R. China
| | - Yanli Bao
- Department of Anesthesiology, People’s Hospital of Guangxi Zhuang Autonomous
Region, Nanning, Guangxi, P.R. China
| | - Weilin Zhu
- Department of Anesthesiology, People’s Hospital of Guangxi Zhuang Autonomous
Region, Nanning, Guangxi, P.R. China
| | - Yanyan Hu
- Department of Anesthesiology, People’s Hospital of Guangxi Zhuang Autonomous
Region, Nanning, Guangxi, P.R. China
| | - Li Ma
- Department of Anesthesiology, People’s Hospital of Guangxi Zhuang Autonomous
Region, Nanning, Guangxi, P.R. China
| | - Shiyang Wei
- Department of Gynecology, People’s Hospital of Guangxi Zhuang Autonomous
Region, Nanning, Guangxi, P.R. China
| | - Yuyan Lan
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical
University, Nanning, Guangxi, P.R. China
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