Preoperative assessment for obstructive sleep apnoea and the prediction of postoperative respiratory obstruction and hypoxaemia

Patients scheduled for elective surgery requiring general anaesthesia and hospital admission were assessed for risk of obstructive sleep apnoea (OSA) using history, body mass index and upper airway examination to determine any relation between OSA risk and the rate of respiratory events after surger...

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Bibliographic Details
Published in:Anaesthesia and intensive care 2008-05, Vol.36 (3), p.379-384
Main Authors: BLAKE, D. W, CHIA, P. H, DONNAN, G, WILLIAMS, D. L
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Airway Obstruction - diagnosis
Airway Obstruction - prevention & control
Anesthesia
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Anesthesiologists
Biological and medical sciences
Body Mass Index
Care and treatment
Complications
Diagnosis
Female
General anesthesia
Health aspects
Humans
Hypoxia - diagnosis
Hypoxia - prevention & control
Logistic Models
Male
Medical sciences
Middle Aged
Monitoring, Intraoperative
Oxygen - blood
Postoperative Complications - diagnosis
Postoperative Complications - prevention & control
Postoperative Period
Practice
Predictive Value of Tests
Risk Assessment
Risk factors
Sleep apnea syndromes
Sleep Apnea, Obstructive - diagnosis
Surgery
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Summary:Patients scheduled for elective surgery requiring general anaesthesia and hospital admission were assessed for risk of obstructive sleep apnoea (OSA) using history, body mass index and upper airway examination to determine any relation between OSA risk and the rate of respiratory events after surgery. Anaesthesia and postoperative analgesia were at the discretion of the treating anaesthetist, who was made aware of any suspicion of OSA. Respiratory monitoring for apnoeas (central or obstructive), hypopnoeas and oxygen desaturations was continuous for a 12-hour period on the first postoperative night. We used automated analysis and visual scanning of respiratory recordings, but sleep stages were not assessed. Patients classified as OSA risk had more respiratory obstructive events per hour than controls (38+/-22 vs. 14+/-10) and an increased proportion of the 12-hour monitored period with oxygen saturation
ISSN:0310-057X
1448-0271
DOI:10.1177/0310057X0803600309