Analgesic efficacy and risk of low-to-medium dose intrathecal morphine in patients undergoing cardiac surgery: An updated meta-analysis

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標題:	Analgesic efficacy and risk of low-to-medium dose intrathecal morphine in patients undergoing cardiac surgery: An updated meta-analysis
作者:	Chen, I-Wen Sun, Cheuk-Kwan Ko, Ching-Chung Fu, Pei-Han Teng, I-Chia Liu, Wei-Cheng Lin, Chien-Ming Hung, Kuo-Chuan
貢獻者:	Chi Mei Hospital E-Da Hospital I Shou University Chi Mei Hospital Chia Nan University of Pharmacy & Science,Department of Health and Nutrition National Sun Yat Sen University Chi Mei Hospital
關鍵字:	postoperative analgesia spinal analgesia pain-control general-anesthesia early extubation remifentanil intubation delirium safety time
日期:	2022
上傳時間:	2023-12-11 13:59:11 (UTC+8)
出版者:	FRONTIERS MEDIA SA
摘要:	Background: To evaluate the analgesic efficacy and risk of low-to-medium dose intrathecal morphine (ITM) (i.e., <= 0.5 mg) following cardiac surgery. Methods: Medline, Cochrane Library, Google scholar and EMBASE databases were searched from inception to February 2022. The primary outcome was pain intensity at postoperative 24 h, while the secondary outcomes included intravenous morphine consumption (IMC), extubation time, hospital/intensive care unit (ICU) length of stay (LOS), and ITM-associated side effects (e.g., respiratory depression). Subgroup analysis was performed on ITM dosage (low: < 0.3 mg vs. medium: 0.3-0.5 mg). Results: Fifteen RCTs involving 683 patients published from 1988 to 2021 were included. Pooled results showed significantly lower postoperative 24h pain scores [mean difference (MD) = -1.61, 95% confidence interval: -1.98 to -1.24, p < 0.00001; trial sequential analysis: sufficient evidence; certainty of evidence: moderate] in the ITM group compared to the controls. Similar positive findings were noted at 12 (MD = -2.1) and 48 h (MD = -1.88). Use of ITM was also associated with lower IMC at 24 and 48 h (MD: -13.69 and -14.57 mg, respectively; all p < 0.05) and early tracheal extubation (i.e., 48.08 min). No difference was noted in hospital/ICU LOS, and nausea/vomiting in both groups, but patients receiving ITM had higher risk of pruritus (relative risk = 2.88, p = 0.008). There was no subgroup difference in IMC except a lower pain score with 0.3-0.5 mg than < 0.3 mg at postoperative 24 h. Respiratory depression events were not noted in the ITM group.Conclusion: Our results validated the analgesic efficacy of low-to-medium dose ITM for patients receiving cardiac surgery without increasing the risk of respiratory depression.
關聯:	Frontiers in Medicine, v.9, 05 October 2022
显示于类别:	[保健營養系(所) ] 期刊論文

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