• P R Srijithesh, G Shukla, A Srivastav, V Goyal, S Singh, and M Behari.
• Department of Neurology, All India Institute of Medical Sciences, New Delhi, India. srijitheshpr@rediffmail.com
• J Clin Neurosci. 2011 Mar 1; 18 (3): 340-3.

AbstractGiven the high prevalence of sleep-disordered breathing (SDB) in stroke and its importance as a vascular risk factor, a clinical instrument to assess its incidence would be useful. Acute stroke patients (n=121) were stratified into high- and low-risk groups for SDB using a modified Berlin Questionnaire (BQ) administered to the informants who were living with the patient. After a minimum of 4 weeks from stroke onset, patients who were fit underwent overnight polysomnography (PSG). On stratifying risk of obstructive sleep apnea (OSA) in these patients based on the BQ, 53% belonged to the high-risk group and 47% belonged to the low-risk group. There was poor correlation between the clinical questionnaire results and PSG findings, with sensitivity of 66.7%, specificity of 55.6%, a positive predictive value of 63.4%, and a negative predictive value of 58.8%.Copyright © 2010 Elsevier Ltd. All rights reserved.

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