PMID: 7992932Jan 1, 1994Paper

Respiratory effects of midazolam in patients with obstructive sleep apnea syndromes

Annales Françaises D'anesthèsie Et De Rèanimation
B GentilB Fleury

Abstract

The administration of benzodiazepines at sleeping doses can be followed by an increased rate of upper airways obstruction episodes, especially in patients with an obstructive sleep apnea syndrome (OSAS). However, the effects of benzodiazepines at premedication doses have not yet been assessed. Therefore, fourteen patients were studied after administration of midazolam 0.08 mg.kg-1 i.m.: seven with an OSAS diagnosed previously (baseline recording) (= OSAS group) and seven without risk factors for OSAS (= Control group). The recordings were undertaken in the sleep laboratory. The airflows were assessed by nasal and oral thermistors and chest and abdominal movements by strain gauges. The electromyogram of the chin muscles was recorded, the electroencephalogram and the electro-oculogram electrodes were placed as described by RECHTSCHAFFEN and KALES. The arterial saturation in oxygen (Spo2) was monitored by pulse oximetry. All the signals were digitized and fed into a computer. The apnea was defined as a cessation of airflows for a least 10 s. The hypopnea was defined as a 10 s decrease in airflow with a drop in Spo2 of 4% or more. The respiratory event (apnea or hypopnea) was qualified as obstructive if the thoraco-abdominal moveme...Continue Reading

Citations

Jun 27, 2018·Clinical Research in Cardiology : Official Journal of the German Cardiac Society·Maria TafelmeierMichael Arzt
Jul 22, 2004·High Altitude Medicine & Biology·John V Weil
Nov 5, 2016·Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'oto-rhino-laryngologie Et De Chirurgie Cervico-faciale·Huiping LuoShankai Yin

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