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Danquah MO, Yan E, Lee JW, Philip K, Saripella A, Alhamdah Y, He D, Englesakis M, Chung F. The utility of the Montreal cognitive assessment (MoCA) in detecting cognitive impairment in surgical populations - A systematic review and meta-analysis. J Clin Anesth 2024; 97:111551. [PMID: 39033616 DOI: 10.1016/j.jclinane.2024.111551] [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: 02/25/2024] [Revised: 05/27/2024] [Accepted: 07/12/2024] [Indexed: 07/23/2024]
Abstract
STUDY OBJECTIVE To determine the diagnostic accuracy of the Montreal Cognitive Assessment (MoCA) in detecting cognitive impairment (CI) and assess the association of MoCA scores with adverse postoperative outcomes in surgical populations. DESIGN Systematic review and meta-analysis. SETTING Perioperative setting. PATIENTS Adults undergoing elective or emergent surgery screened for CI preoperatively using the MoCA. MEASUREMENTS The outcomes included the diagnostic accuracy of the MoCA in screening for CI and the pooled prevalence of CI in various surgical populations. CI and its association with adverse events including delirium, hospital length-of-stay (LOS), postoperative complications, discharge destination, and mortality was determined. MAIN RESULTS Twenty-six studies (5059 patients, 18 non-cardiac studies, 8 cardiac studies) were included. With a MoCA cut-off score of <26, the prevalence of preoperative CI was 48% (95% CI: 41%-54%). The MoCA had 0.87 (95% CI: 0.79-0.93) sensitivity, 0.72 (95% CI: 0.62-0.80) specificity, PPV of 0.74 (95% CI: 0.65-0.81), and NPV of 0.86 (95% CI: 0.77-0.92) when validated against Petersen criteria, the Diagnostic and Statistical Manual of Mental Disorders, or the National Institute on Aging and the Alzheimer's Association criteria to identify CI. Using the MoCA as a screening tool, the LOS was 3.75 (95% CI: -0.03-7.53, P = 0.05, not significant) days longer in the CI group after non-cardiac surgeries and 3.33 (95% CI: 1.24-5.41, P < 0.002) days longer after cardiac surgeries than the non-cognitively impaired group. CONCLUSIONS MoCA had been validated in the surgical population. MoCA with a cut-off score of <26 was shown to have 87% sensitivity and 72% specificity in identifying CI. A positive screen in MoCA was associated with a 3-day longer hospital LOS in cardiac surgery in the CI group than in the non-CI group.
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Affiliation(s)
- Mercy O Danquah
- Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada.
| | - Ellene Yan
- Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada; Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, ON, Canada.
| | - Jun Won Lee
- University of Saskatchewan College of Medicine, Saskatoon, SK, Canada.
| | - Kaylyssa Philip
- Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada.
| | - Aparna Saripella
- Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada.
| | - Yasmin Alhamdah
- Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada; Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, ON, Canada.
| | - David He
- Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada; Department of Anesthesiology and Pain Medicine, Mount Sinai Hospital, Sinai Health, Toronto, ON, Canada.
| | - Marina Englesakis
- Library & Information Services, University Health Network, Toronto, ON, Canada.
| | - Frances Chung
- Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada; Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, ON, Canada.
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Kang J, Fang C, Li Y, Yuan Y, Niu K, Zheng Y, Yu Y, Wang G, Li Y. Effects of qCON and qNOX-guided general anaesthesia management on patient opioid use and prognosis: a study protocol. BMJ Open 2023; 13:e069134. [PMID: 37130687 PMCID: PMC10163456 DOI: 10.1136/bmjopen-2022-069134] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/04/2023] Open
Abstract
INTRODUCTION The adverse effects of general anaesthetic drugs (especially opioids) cannot be ignored. However, current nociceptive-monitoring techniques still lack consistency in guiding the use of opioids. This trial will study the demand for opioid use and patient prognosis in qCON and qNOX-guided general anaesthesia management. METHODS AND ANALYSIS This prospective, randomised, controlled trial will randomly recruit 124 patients undergoing general anaesthesia for non-cardiac surgery in equal numbers to either the qCON or BIS group. The qCON group will adjust intraoperative propofol and remifentanil dosage according to qCON and qNOX values, while the BIS group will adjust according to BIS values and haemodynamic fluctuations. The differences between the two groups will be observed in remifentanil dosing and prognosis. The primary outcome will be intraoperative remifentanil use. Secondary outcomes will include propofol consumption; the predictive ability of BIS, qCON and qNOX on conscious responses, noxious stimulus and body movements; and changes in cognitive function at 90 days postoperatively. ETHICS AND DISSEMINATION This study involves human participants and was approved by the Ethics Committee of the Tianjin Medical University General Hospital (IRB2022-YX-075-01). Participants gave informed consent to participate in the study before taking part. The study results will be published in peer-reviewed journals and presented at relevant academic conferences. TRIAL REGISTRATION NUMBER ChiCTR2200059877.
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Affiliation(s)
- Jiamin Kang
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Chongliang Fang
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Yuanjie Li
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Yuan Yuan
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Kaijun Niu
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Yuxin Zheng
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Yonghao Yu
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Guolin Wang
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Yize Li
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Research Institute of Anesthesiology, Tianjin, China
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