Safety of premedication with oral midazolam before rhinoplasty as indicated by intraoperative levels of blood oxygen saturation

Marcos Harel, Avshalom Shalom, Jacob Frand, Lior Leibou

Research output: Contribution to journalArticlepeer-review

Abstract

Background: The use of oral midazolam as premedication to induce anxiolysis before surgical procedures under local anesthesia is widely accepted in plastic surgery. Rhinoplasty performed under local anesthesia is known to generate high levels of perioperative anxiety, thus the use of appropriate premedication is important. Oral midazolam has been shown to be safe in various procedures. However, the safety of oral midazolam before rhinoplasty has not been evaluated. Objectives: To evaluate the safety of premedication with oral midazolam prior to rhinoplasty by analyzing the intraoperative blood oxygen saturation levels as predictors of adverse respiratory events. Methods: We retrospectively reviewed the anesthesia records of 62 patients who underwent rhinoplasty under local anesthesia and received premedication with oral midazolam for anxiolysis between March 2017 and December 2017. The median age of the patients was 25.4 years, and they were all classified as American Society of Anesthesiologists class 1. The patients received 10 mg midazolam hydrochloride orally 1 hour prior to the procedure. Oxygen blood saturation was monitored using a pulse oximeter and recorded every 15 minutes. Results: All the patients maintained blood oxygen saturation levels above 95% (median peripheral capillary oxygen saturation 99%) on room air, and they did not require supplemental intraoperative oxygen. There were no transient hypoxemic events during and following the procedure. Conclusions: Our study confirmed the safety of oral midazolam premedication to reduce perioperative anxiety when performing rhinoplasty under local anesthesia.

Original languageEnglish
Pages (from-to)743-746
Number of pages4
JournalIsrael Medical Association Journal
Volume21
Issue number11
StatePublished - 2019

Keywords

  • Anxiolytics
  • Local anesthesia
  • Midazolam
  • Oxygen saturation
  • Septorhinoplasty

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