Deep sedation for endoscopic retrograde cholangiopancreatography: a comparison between clinical assessment and NarcotrendTM monitoring
Somchai Amornyotin, Wiyada Chalayonnawin, Siriporn KongphlayDepartment of Anesthesiology and Siriraj GI Endoscopy Center, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, ThailandIntroduction: Moderate to deep sedation is generally used for endoscopic retrograde cholangiopancreato...
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Formato: | article |
Lenguaje: | EN |
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Dove Medical Press
2011
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Acceso en línea: | https://doaj.org/article/2ea33da3b8064cb2896a98bb536874be |
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Sumario: | Somchai Amornyotin, Wiyada Chalayonnawin, Siriporn KongphlayDepartment of Anesthesiology and Siriraj GI Endoscopy Center, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, ThailandIntroduction: Moderate to deep sedation is generally used for endoscopic retrograde cholangiopancreatography (ERCP). The depth of sedation is usually judged by clinical assessment and electroencephalography-guided monitoring. The aim of this study was to compare the clinical efficacy of clinical assessment and NarcotrendTM monitoring during deep-sedated ERCP.Methods: One hundred patients who underwent ERCP in a single year were randomly assigned to either group C or group N. Patients in group C (52) were sedated using the Modified Observer’s Assessment of Alertness/Sedation (MOAA/S) scale. Patients in group N (48) were sedated using the NarcotrendTM system. The MOAA/S scale 1 or 2 and the NarcotrendTM index 47–56 to 57–64 were maintained during the procedure. The primary outcome variable of the study was the successful completion of the endoscopic procedure. The secondary outcome variables were the total dose of propofol used during the procedure, complications during and immediately after procedure, and recovery time.Results: All endoscopies were completed successfully. The mean total dose of propofol in group C was significantly lower than that in group N. However, the mean dose of propofol, expressed as dose/kg or dose/kg/h in both groups, was not significantly different (P = 0.497, 0.136). Recovery time, patient tolerance and satisfaction, and endoscopist satisfaction were comparable between the two groups. All sedation-related adverse events during and immediately after the procedure, such as hypotension, hypertension, tachycardia, bradycardia, transient hypoxia, and upper airway obstruction, in group C (62.2%) were significantly higher than in group N (37.5%) (P = 0.028).Conclusion: Clinical assessment and NarcotrendTM-guided sedation using propofol for deep sedation demonstrated comparable propofol dose and recovery time. Both monitoring systems were equally safe and effective. However, the NarcotrendTM-guided sedation showed lower hemodynamic changes and fewer complications compared with the clinical assessment-guided sedation.Keywords: deep sedation, endoscopic retrograde cholangiopancreatography, clinical assessment, NarcotrendTM monitoring |
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