sleep apnea screening

as there is increasing evidence that treatment of osa facilitates management of cardiovascular diseases and potentially improves cardiovascular outcomes, recognizing and treating osa is vital to reducing the disease burden of cardiac disorders. the increasing importance of sleep apnea in mortality and morbidity reduction facilitated the development of several screening tools currently used. the study has been validated and demonstrates high sensitivity with moderate specificity.1 in comparison testing with the other three screening tools, stop-bang demonstrated the highest sensitivity in patients with moderate-to-severe sleep apnea based on polysomnography (i.e., diagnostic sleep study) with increasing sensitivity as severity of sleep apnea increased.

anesthesiology 2008:108;812-21. the ess assesses propensity to dozing and severity of daytime sleepiness in common daily situations based on eight self-administered questions with answers ranging from zero to three with zero indicating no chance of dozing and three indicating always dozing. based on ease of use and currently available data, the authors of this commentary recommend the use of the stop-bang questionnaire over other tools at this time. the most sensitive and easy to administer screening tool appears to be the stop-bang questionnaire; utilization of this screening tool would improve identification of patients at high risk for sleep apnea (with higher scores identifying higher-risk patients).

the sensitivity of sbq in detecting mild (apnea-hypopnea index (ahi) ≥ 5 events/hour) and severe (ahi ≥ 30 events/hour) osa was higher compared to other screening questionnaires (range from 81.08% to 97.55% and 69.2% to 98.7%, respectively). we also included studies if the validity of screening questionnaires was reported as a secondary outcome. the bq highest sensitivity (97.3%) and npv (95.4%) for the detection of osa was found at ahi cutoffs ≥ 30 events/hour. the sq is a concise and easy-to-use screening tool for osa with high sensitivity.

however, the highest values for specificity (75%), npv (87.5%), and ppv (96.7%) were found in mild osa with a decreasing trend from mild to severe osa [table 2]. the sbq had the highest sensitivity for the prediction of mild and severe osa (97.55% and 98.7%, respectively). there was no standard definition for osa in various studies that investigated the validity of osa screening questionnaires against psg. further validation studies designed specifically for the general population are necessary.

obstructive sleep apnea (osa)? please answer the following questions below to determine if you might be at risk. yes. this sleep apnea screener features the stop bang questionnaire and epworth sleepiness scale to help you gauge your risk for sleep apnea. there are four screening tools widely recognized as being fairly easy to administer: stop, stop-bang (sb), epworth sleepiness scale (ess), and 4, .

current practice. most primary care clinicians do not routinely screen for osa. according to a practice-based research network study of 44 screening for obstructive sleep apnea can be done via questionnaires that ask about symptoms. if the questionnaire answers suggest obstructive sleep apnea, today there are many sleep questionnaires available as screening tools to identify if patients are at risk for sleep apnea., .

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