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Journal Article
Observational Study
Retrospective observational study on safety of sedation for colonoscopies in ASA I and II patients performed by a nurse and under the supervision of anesthesiology.
INTRODUCTION: Out of operating room sedation with propofol by non-anaesthesiologists (Non Anaesthesiologist Administration of Propofol: NAAP) is a growing practice. This is due to the increase in minimally invasive diagnostic and therapeutic procedures requiring sedation, and the difficulty of anaesthesiology services to respond adequately to this demand.
OBJECTIVE: The main objective of this study is to assess the safety of a programme of nurse sedationist-administered target controlled infusion (TCI) of propofol in colonoscopies supervised by anaesthesiologists.
MATERIAL AND METHODS: Over a period of 6 months, all ASA I and II patients who required colonoscopy and met the inclusion criteria were included in the study. A total of 381 colonoscopies were performed. Episodes of desaturation, hypo- or hypertension, bradycardia or tachyarrhythmia and the need for anaesthesiology assistance during sedation were analysed. After the procedure, patient satisfaction was assessed on a scale of 1-5, and pain was assessed on a numerical verbal scale of 1-5.
RESULTS: A small percentage (5%) of patients presented oxygen saturation of less than 90%, without requiring mask ventilation; 7.35% presented hypotension, 3.94% presented bradycardia, and the supervising anaesthesiologist was called in 22% of cases. Patient satisfaction at the end of the procedure was 4.27 out of 5.
CONCLUSION: Sedation during colonoscopy in ASA I and II patients following an agreed protocol can be safely administered by nurse sedationists under the supervision of an anaesthesiologist.
OBJECTIVE: The main objective of this study is to assess the safety of a programme of nurse sedationist-administered target controlled infusion (TCI) of propofol in colonoscopies supervised by anaesthesiologists.
MATERIAL AND METHODS: Over a period of 6 months, all ASA I and II patients who required colonoscopy and met the inclusion criteria were included in the study. A total of 381 colonoscopies were performed. Episodes of desaturation, hypo- or hypertension, bradycardia or tachyarrhythmia and the need for anaesthesiology assistance during sedation were analysed. After the procedure, patient satisfaction was assessed on a scale of 1-5, and pain was assessed on a numerical verbal scale of 1-5.
RESULTS: A small percentage (5%) of patients presented oxygen saturation of less than 90%, without requiring mask ventilation; 7.35% presented hypotension, 3.94% presented bradycardia, and the supervising anaesthesiologist was called in 22% of cases. Patient satisfaction at the end of the procedure was 4.27 out of 5.
CONCLUSION: Sedation during colonoscopy in ASA I and II patients following an agreed protocol can be safely administered by nurse sedationists under the supervision of an anaesthesiologist.
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