Document Detail


Screening method for severe sleep-disordered breathing in hypertensive patients without daytime sleepiness.
MedLine Citation:
PMID:  19167642     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
The high prevalence of sleep-disordered breathing (SDB) in hypertensive patients has been well studied. However, regular screening of SDB in these patients is not performed routinely as the diagnostic procedures are both time-consuming and labour-intensive. Overnight portable device screening is useful, but is sometimes not acceptable for asymptomatic SDB patients. We evaluated the usefulness of daytime 30-min recording with a portable recording device during pulse wave velocity (PWV) measurement sessions as a screening method for detection of asymptomatic SDB in hypertensive patients. Eighty-one hypertensive patients underwent 30-min daytime screening session using a Type III portable recording device during PWV measurement. Each screening session was followed by full overnight Level I polysomnography (PSG). The screening session included recordings of airflow (mouth-nose), chest movement, oximetry, and electrocardiography. The correlation coefficient between respiratory disturbance index (RDI) by screening session and apnea-hypopnea index (AHI) by PSG was 0.64. Using AHI ≥ 30 as diagnostic of severe SDB, 47 of 80 patients had the disorder based on PSG results. Using an RDI cut-off value of 22, the sensitivity and specificity for detection of severe SDB were 86.1% and 64.5%, respectively. Daytime 30-min recording with a portable device for apnea detection during PWV recording is useful for screening of asymptomatic severe SDB in hypertensive patients.
Authors:
Taiji Furukawa; Masaaki Suzuki; Ikuko Funatogawa; Takaaki Isshiki; Yukihisa Miyazawa; Tamio Teramoto; Eiji Yano
Publication Detail:
Type:  Journal Article     Date:  2008-10-31
Journal Detail:
Title:  Journal of cardiology     Volume:  53     ISSN:  1876-4738     ISO Abbreviation:  J Cardiol     Publication Date:  2009 Feb 
Date Detail:
Created Date:  2009-01-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804703     Medline TA:  J Cardiol     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  79-85     Citation Subset:  IM    
Affiliation:
The Department of Medicine, Teikyo University School of Medicine, Itabashi-ku, Tokyo, Japan. tfrkw@med.teikyo-u.ac.jp
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