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- W2549277898 abstract "To determine whether polysomnography is necessary to assess the presence and severity of sleep-disordered breathing, bedslde observations by physicians were compared with the resutts of polysomnography in 37 patients wlth clinically suspected obstructive sleep apnea. Physician observations correlated with objective findings from polysomnography in detecting the presence of obstructive apnea (p <O.Ol), and had a high specificity and positive predictive value. The 20 patients correctly identlfled by cllnical observation had a longer duratlon of apneic eplsodes (p = 0.02), increased severlty of snoring (p = 0.02), resuscitative snorlng (p <0.02), and paradoxtc thoracoabdominal movement (p <0.05). However, 11 other patients wlth sleep-dlsordered breathing were not identified clinically; therefore, the sensttivtty (64.5 percent) and dtagnostic accuracy (70.3 percent) of brief clhlcal observatton were low. Furthermore, the physicians’ determinations of the severity of the condition on the basls of bedside estimates of disordered breathing rate, duration of episodes, and the degree of associated hemoglobin oxygen desaturatlon did not correlate with objective measurements. These findings suggest that a single, brief clinical observation alone is an ineffective screening procedure for detecting obstructive sleep apnea." @default.
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- W2549277898 date "1984-01-01" @default.
- W2549277898 modified "2023-09-27" @default.
- W2549277898 title "Is Polysomnography Necessary" @default.
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