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The Berlin questionnaire screens for obstructive sleep apnea in idiopathic intracranial hypertension
Journal article   Open access   Peer reviewed

The Berlin questionnaire screens for obstructive sleep apnea in idiopathic intracranial hypertension

Matthew J Thurtell, Beau B Bruce, David B Rye, Nancy J Newman and Valerie Biousse
Journal of neuro-ophthalmology, Vol.31(4), pp.316-319
12/2011
DOI: 10.1097/WNO.0b013e31821a4d54
PMCID: PMC3433717
PMID: 21537196
url
https://doi.org/10.1097/WNO.0b013e31821a4d54View
Published (Version of record) Open Access

Abstract

Obstructive sleep apnea (OSA) may be associated with idiopathic intracranial hypertension (IIH), a disorder most commonly occurring in young obese women. Because polysomnography, the standard test for diagnosing OSA, is expensive and time consuming, questionnaires have been developed to identify persons with OSA. The Berlin questionnaire (BQ) reliably identifies middle-aged and older persons in the community who are at high-risk for OSA. We aimed to validate the BQ as a screening tool for OSA in IIH patients. Patients with newly diagnosed IIH completed the BQ and then underwent diagnostic polysomnography. The BQ was scored as high or low risk for OSA, and the diagnosis of OSA was based on polysomnography findings. OSA was defined as an apnea-hypopnea index of ≥ 5 on polysomnography. Thirty patients were evaluated (24 women; 15 white and 15 black; age, 16-54 years [median, 32 years]; body mass index, 27.3-51.7 kg/m2 [median, 39.8 kg/m2]). Twenty patients (66.7%) had a high-risk BQ score and 18 (60%) exhibited OSA. Fifteen of 20 (75%) with a high-risk BQ score had OSA, while 3 of 10 (30%) with a low-risk score had OSA (Fisher test, P = 0.045). The sensitivity and specificity of the BQ for OSA in IIH patients were 83% and 58%, respectively, whereas the positive predictive value was 75%. A low-risk BQ score identifies IIH patients who are unlikely to have OSA. Polysomnography should be considered in those with a high-risk score.
Body Mass Index Predictive Value of Tests Reproducibility of Results Humans Middle Aged Pseudotumor Cerebri - diagnosis Male False Positive Reactions Polysomnography Young Adult Sensitivity and Specificity Adolescent Adult Female Surveys and Questionnaires Sleep Apnea, Obstructive - diagnosis

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