Propofol-based deep sedation for endoscopic retrograde cholangiopancreatography procedure in sick elderly patients in a developing country
Somchai Amornyotin1,3, Udom Kachintorn2,3, Wiyada Chalayonnawin1,3, Siriporn Kongphlay1,3
1Department of Anesthesiology, 2Department of Medicine, 3Siriraj GI Endoscopy Center, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
Introduction: The aim of this study was to evaluate and compare the clinical efficacy of propofol-based deep sedation (PBDS) for endoscopic retrograde cholangiopancreatography (ERCP) procedure in sick (American Society of Anesthesiologists [ASA] physical status III–IV) and nonsick (ASA physical status I–II) elderly patients in a teaching hospital in Thailand.
Methods: We undertook a retrospective review of the anesthesia or sedation service records of elderly patients who underwent ERCP procedures from October 2007 to September 2008. All patients were classified into two groups according to the ASA physical status. In group A, the patients had ASA physical status I–II, while in group B, the patients had ASA physical status III–IV. The primary outcome variable of the study was the successful completion of the procedure. The secondary outcome variables were sedation-related adverse events during and immediately after the procedure.
Results: There were 158 elderly patients who underwent ERCP procedure by using PBDS during the study period. Of these, 109 patients were in group A and 49 patients were in group B. There were no significant differences in age, gender, weight, duration of ERCP, indication of procedure, and the mean dose of fentanyl, propofol, and midazolam between the two groups. All patients in both groups successfully completed the procedure except eight patients in group A and three patients in group B (P = 0.781). Overall, respiratory and cardiovascular adverse events in both groups were not significantly different. All adverse events were easily treated, with no adverse sequelae.
Conclusion: In the setting of a developing country, PBDS for ERCP procedure in sick elderly patients by trained anesthetic personnel with appropriate monitoring was safe and effective. The clinical efficacy of this technique in sick elderly patients was not different or worse than in nonsick elderly patients. Serious adverse events were rare in our population.
Keywords: deep sedation, endoscopic retrograde cholangiopancreatography, propofol (ERCP), sick, elderly, American Society of Anesthesiologists (ASA), developing country
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