Abstract：
UNLABELLED:A diagnosis of sleep apnea/hypopnea syndrome (SAHS) is based on clinical signs and nighttime polysomnograms. Brief polysomnography has been proposed as an alternative to all-night recording. OBJECTIVES:The aim of this study was to determine whether a polysomnograms obtained during the first half of the night is sufficient for establishing a diagnosis of SAHS and to determine the correlation between polysomnographic variables recorded during the first four hours (half the study time) with those recorded over the full eight hours (full study time), as well as to determine diagnostic agreement. DESIGN:Thirty-five patients suspected of having SAHS were studied prospectively. Baseline polysomnograms were scored blindly by two independent observers following standard methods. A diagnosis of SAHS was made according to guidelines of the Spanish Society of Pneumology and Chest Surgery. During the first half of the night and up to the end of each recording period we gathered neurophysiological and respiratory variables and diagnostic impressions. RESULTS:The correlation between variables (sleep stage, overall AHI, REM-AHI, non-REM-AHI and sleep efficiency) recorded in the first half of the night and throughout the night was significant (p < 0.05) by both Pearson's correlation coefficient (r) and by the intraclass correlation coefficient (ICC). In 33 of 35 patients (94.3%) diagnostic agreement was achieved (95% CI 80.84-99.30); when SAHS was severe, agreement was 100%. CONCLUSION:Based on these results, we conclude that for patients with a diagnosis of severe SAHS during the first half of the night, data recorded during the second half can be considered supplementary.
journal_name
Arch Bronconeumoljournal_title
Archivos de bronconeumologiaauthors
Alonso Alvarez ML,Fernández Martínez de Septiem C,Alonso Mediavilla C,Martínez González M,Teran Santos J,Rodríguez Pascual L,Cordero Guevara Jkeywords:
subject
Has Abstractpub_date
2000-04-01 00:00:00pages
180-5issue
4eissn
0300-2896issn
1579-2129pii
S0300-2896(15)30178-2journal_volume
36pub_type
临床试验,杂志文章abstract：OBJECTIVE:Mortality due to lung cancer in Spain is increasing continuously. The aim of the present study was to collect information on the hospital incidence of lung cancer, as well as information on clinical management, in different regions of Spain. MATERIAL AND METHODS:A prospective observational study of patients ...
journal_title：Archivos de bronconeumologia
pub_type： 杂志文章,多中心研究
doi：
更新日期：2006-09-01 00:00:00
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journal_title：Archivos de bronconeumologia
pub_type： 杂志文章
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journal_title：Archivos de bronconeumologia
pub_type： 杂志文章,多中心研究,随机对照试验
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journal_title：Archivos de bronconeumologia
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pub_type： 杂志文章
doi：10.1016/s1579-2129(08)60051-8
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doi：
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journal_title：Archivos de bronconeumologia
pub_type： 临床试验,杂志文章
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journal_title：Archivos de bronconeumologia
pub_type： 杂志文章
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journal_title：Archivos de bronconeumologia
pub_type： 杂志文章,评审
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pub_type： 杂志文章,多中心研究
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