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Updated: Feb 3, 2026

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Published on: December 6, 2016
Preoperative Evaluation: Estimation of Pulmonary Risk Including Obstructive Sleep Apnea Impact
Yamini Subramani1, Mahesh Nagappa2, Jean Wong3
1Department of Anesthesia and Perioperative Medicine, London Health Science Centre, St. Joseph Health Care, Western University, Centre, Victoria Hospital, 800 Commissioners Road East, London, Ontario N6A 5W9, Canada.
Abstract:
One in 4 deaths occurring within a week of surgery are related to pulmonary complications, making it the second most common serious morbidity after cardiovascular events. The most significant predictors of the postoperative pulmonary complications (PPCs) are American Society of Anesthesiologists physical status, advanced age, dependent functional status, surgical site, and duration of surgery. The overall risk of PPCs can be predicted using scores that incorporate readily available clinical data.
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