Lei Huang, Lin-Lin Liu, Yong-da Lu, Min-Yuan Zhuang, Wei Dou, Hong Liu, Fu-Hai Ji, Ke Peng
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引用次数: 0
Abstract
Background: Adequate sedation is important for elderly patients undergoing endoscopic retrograde cholangiopancreatography (ERCP). Patient state index (PSI) via the SedLine® system has been utilized for real-time monitoring of anesthesia depth in surgical patients. We aimed to assess the correlation between PSI and Modified Observer's Assessment of Alertness/Sedation (MOAA/S) scores in elderly patients undergoing ERCP.
Methods: This prospective cohort study included 57 elderly patients scheduled for ERCP procedures. Patients received target-controlled infusion of propofol, titrated to the sedation level of MOAA/S scores of 1 and 2. The MOAA/S scores and PSI values were recorded during sedation and recovery. We also documented procedure and recovery time, oversedation (PSI < 25 for at least 10 min and EEG burst suppression), adverse events, and fatigue scores (0-10, higher scores indicating more fatigue).
Results: All patients completed this study (mean age of 73 years and 63% male), with a mean procedure time of 53 min and recovery time of 37 min. Five patients (8.8%) experienced PSI < 25 for at least 10 min, and three of them (5.3%) showed EEG burst suppression. No patients developed desaturation or intra-procedural awareness. Hypotension and abdominal pain were uncommon. Nine patients (15.8%) experienced mild dizziness or nausea. The median (IQR) fatigue score was 3 (2-4) at recovery room discharge. A significant correlation was observed between the MOAA/S scores and PSI values (Spearman correlation coefficient ρ = 0.742, P < 0.001). When patients were at the MOAA/S scores of 1 and 2, the median PSI was 50 (95% CI: 48 to 52).
Conclusion: PSI provides a useful and real-time monitoring of sedation for elderly patients undergoing ERCP. Our results showed a significant correlation between the PSI values and MOAA/S scores and suggested a PSI value of 50 with a range of 48 to 52 for maintaining adequate sedation.
Trial registration: Chinese Clinical Trial Registry (ChiCTR2400079859).
期刊介绍：
Clinical Interventions in Aging, is an online, peer reviewed, open access journal focusing on concise rapid reporting of original research and reviews in aging. Special attention will be given to papers reporting on actual or potential clinical applications leading to improved prevention or treatment of disease or a greater understanding of pathological processes that result from maladaptive changes in the body associated with aging. This journal is directed at a wide array of scientists, engineers, pharmacists, pharmacologists and clinical specialists wishing to maintain an up to date knowledge of this exciting and emerging field.
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