| Home unattended vs hospital telemonitored polysomnography in suspected obstructive sleep apnea syndrome: a randomized crossover trial. | |
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MedLine Citation:
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PMID: 11888956 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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STUDY OBJECTIVE: To compare home unattended polysomnography (H-PSG) with polysomnography performed in a local hospital and telemonitored by a sleep laboratory (T-PSG) in the diagnosis of obstructive sleep apnea syndrome (OSAS). DESIGN: Randomized crossover trial. PATIENTS: Ninety-nine patients with suspected OSAS who underwent H-PSG and T-PSG on 2 consecutive nights, according to a randomized order. MEASUREMENTS: H-PSG and T-PSG were compared in terms of (1) effectiveness, only recordings providing interpretable signals from at least one EEG, the electro-oculograph, the electromyograph, air flow, thoracic or abdominal movements, and arterial oxygen saturation for 180 min of sleep were considered to be effective; (2) patient preference assessed by a questionnaire; and (3) polysomnographic indexes and final interpretative results in patients for whom both recordings were legible. RESULTS: Recordings were considered to be ineffective in 11.2% of T-PSG (95% confidence interval [CI], 4.9 to 17.4%) and in 23.4% of H-PSG (95% CI, 19.12 to 27.68%). Thermistor problems were the main cause of failure of H-PSG. Forty-one percent of patients preferred H-PSG, and 55% preferred T-PSG. H-PSG and T-PSG did not differ in terms of sleep and respiratory indexes in the 65 patients in whom both recordings were legible. H-PSG and T-PSG were concordant in 58 of 65 patients using a 10-event-per-hour apnea-hypopnea index cutoff value for the diagnosis of OSAS. CONCLUSIONS: T-PSG is clearly superior to H-PSG from a technical point of view and tends to be preferred by patients. The site of recording (home vs hospital) has no influence on polysomnographic indexes. |
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Authors:
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Frédéric Gagnadoux; Nathalie Pelletier-Fleury; Carole Philippe; Dominique Rakotonanahary; Bernard Fleury |
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Publication Detail:
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Type: Clinical Trial; Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial |
Journal Detail:
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Title: Chest Volume: 121 ISSN: 0012-3692 ISO Abbreviation: Chest Publication Date: 2002 Mar |
Date Detail:
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Created Date: 2002-03-12 Completed Date: 2002-04-09 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0231335 Medline TA: Chest Country: United States |
Other Details:
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Languages: eng Pagination: 753-8 Citation Subset: AIM; IM |
Affiliation:
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Service de Pneumologie, Hôpital de Versailles, le Chesnay, France. gagnadoux@sat.ap-hop-paris.fr |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cross-Over Studies Humans Middle Aged Polysomnography* / methods* Sleep Apnea, Obstructive / diagnosis* Telemetry* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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