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Correlation Between Obstructive Sleep Apnea

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Introduction

This study investigated the positive correlation between obstructive sleep apnea (OSA) with an increased rate of postoperative complications including (1) postoperative hypoxemia, (2) intensive care unit (ICU) transfers, and (3) prolonged length of hospital stay in noncardiac surgical patients. OSA patients commonly express cardiac disease, have an increased risk for postoperative morbidity, and OSA is considered an independent risk factor for patient mortality. This study is significant because there remains a substantial number of patients that arrive for surgery without preceding diagnosis, while there continues to be no standardized diagnostic tool readily available to diagnose OSA within the preoperative area. Kaw et al. demonstrates that there is a increase in many postoperative complications within this at risk patient population.
Methods
This study is a retrospective descriptive design. Kaw et al. explored the correlation between OSA and increased postoperative complications. The population was chosen from 39,771 patients who participated in preoperative physical exam and assessment at the Internal Medicine Preoperative Assessment Consultation and Treatment center from January 2002 through December 2006. Of those, 1,759 patients had noncardiac surgery and a polysomnography (PSG) within three years. The exclusion criteria were patients under the age of 18 years, any upper airway surgery, a tracheostomy, or an ear, nose, or throat surgery, minor

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