@article{
 id = {1873d315-9cfa-3b80-b79e-b1ae1e262106},
 title = {Diagnosis of obstructive sleep apnea syndrome and its outcomes with home portable monitoring.},
 type = {article},
 year = {2009},
 identifiers = {[object Object]},
 keywords = {Adult,Confidence Intervals,Female,Home Care Services,Humans,Male,Middle Aged,Monitoring, Ambulatory,Monitoring, Ambulatory: instrumentation,Monitoring, Physiologic,Monitoring, Physiologic: methods,Polysomnography,Polysomnography: instrumentation,Polysomnography: methods,ROC Curve,Risk Assessment,Sensitivity and Specificity,Sleep Apnea Syndromes,Sleep Apnea Syndromes: diagnosis},
 created = {2010-08-13T23:07:00.000Z},
 pages = {330-6},
 volume = {135},
 websites = {http://www.ncbi.nlm.nih.gov/pubmed/19201709},
 month = {2},
 accessed = {2010-08-13},
 file_attached = {true},
 profile_id = {6d353feb-efe4-367e-84a2-0815eb9ca878},
 group_id = {ba0deb47-e19a-3151-83cc-b6262d5edb6e},
 last_modified = {2011-02-21T18:37:32.000Z},
 read = {true},
 starred = {false},
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 confirmed = {true},
 hidden = {false},
 citation_key = {TonellideOliveira2009},
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 abstract = {BACKGROUND: The use of portable respiratory monitoring (PM) has been proposed for the diagnosis of obstructive sleep apnea syndrome (OSAS), but most studies that validate PM accuracy have not followed the best standards for diagnostic test validation. The objective of the present study was to evaluate the accuracy of PM performed at home to diagnose OSAS and its outcomes after first validating PM in the laboratory setting by comparing it to polysomnography (PSG). METHODS: Patients with suspected OSAS were submitted, in random order, to PM at the sleep laboratory concurrently with PSG (lab-PM) or at home-PM. The diagnostic performance was assessed by sensitivity, specificity, positive and negative predictive values, positive likelihood ratio (+LR), negative likelihood ratio (-LR), intraclass correlation coefficients, kappa statistic, and Bland-Altman plot. RESULTS: One hundred fifty-seven subjects (73% men, mean age +/- SD, 45 +/- 12 yr) with an apnea-hypopnea index (AHI) of 31 (SD +/- 29) events/h were studied. Excluding inadequate recordings, 149 valid comparisons with lab-PM and 121 with unattended home-PM were obtained. Compared to PSG for detecting AHI > 5, the lab-PM demonstrated sensitivity of 95.3%, specificity of 75%, +LR of 3.8, and -LR of 0.11; the home-PM exhibited sensitivity of 96%, specificity of 64%, +LR of 2.7, and -LR of 0.05. Kappa statistics indicated substantial correlation between PSG and PM results. Bland-Altman plot showed smaller dispersion for lab-PM than for home-PM. Pearson product moment correlation coefficients among the three AHIs and clinical outcomes were similar, denoting comparable diagnostic ability. CONCLUSIONS: This study used all available comparison methods to demonstrate accuracy of PM in-home recordings similar to that of repeated PSGs. PM increases the possibility of correctly diagnosing and effectively treating OSAS in populations worldwide.},
 bibtype = {article},
 author = {Tonelli de Oliveira, Ana Claudia and Martinez, Denis and Vasconcelos, Luiz Felipe T and Gonçalves, Sandro Cadaval and Lenz, Maria Carmo and Fuchs, Sandra Costa and Gus, Miguel and Abreu-Silva, Erlon Oliveira and Moreira, Leila Beltrami and Fuchs, Flávio Danni},
 journal = {Chest},
 number = {2}
}

{"_id":"vgroyX5R9ZfNSZKQe","authorIDs":[],"author_short":["Tonelli de Oliveira, A., C.","Martinez, D.","Vasconcelos, L., F., T.","Gonçalves, S., C.","Lenz, M., C.","Fuchs, S., C.","Gus, M.","Abreu-Silva, E., O.","Moreira, L., B.","Fuchs, F., D."],"bibbaseid":"tonellideoliveira-martinez-vasconcelos-gonalves-lenz-fuchs-gus-abreusilva-moreira-fuchs-diagnosisofobstructivesleepapneasyndromeanditsoutcomeswithhomeportablemonitoring-2009","bibdata":{"id":"1873d315-9cfa-3b80-b79e-b1ae1e262106","title":"Diagnosis of obstructive sleep apnea syndrome and its outcomes with home portable monitoring.","type":"article","year":"2009","identifiers":"[object Object]","keywords":"Adult,Confidence Intervals,Female,Home Care Services,Humans,Male,Middle Aged,Monitoring, Ambulatory,Monitoring, Ambulatory: instrumentation,Monitoring, Physiologic,Monitoring, Physiologic: methods,Polysomnography,Polysomnography: instrumentation,Polysomnography: methods,ROC Curve,Risk Assessment,Sensitivity and Specificity,Sleep Apnea Syndromes,Sleep Apnea Syndromes: diagnosis","created":"2010-08-13T23:07:00.000Z","pages":"330-6","volume":"135","websites":"http://www.ncbi.nlm.nih.gov/pubmed/19201709","month":"2","accessed":"2010-08-13","file_attached":"true","profile_id":"6d353feb-efe4-367e-84a2-0815eb9ca878","group_id":"ba0deb47-e19a-3151-83cc-b6262d5edb6e","last_modified":"2011-02-21T18:37:32.000Z","read":"true","starred":"false","authored":"false","confirmed":"true","hidden":"false","citation_key":"TonellideOliveira2009","client_data":"\"desktop_id\":\"8153cb18-4660-41bb-900c-4ef4ea339c7a\"","abstract":"BACKGROUND: The use of portable respiratory monitoring (PM) has been proposed for the diagnosis of obstructive sleep apnea syndrome (OSAS), but most studies that validate PM accuracy have not followed the best standards for diagnostic test validation. The objective of the present study was to evaluate the accuracy of PM performed at home to diagnose OSAS and its outcomes after first validating PM in the laboratory setting by comparing it to polysomnography (PSG). METHODS: Patients with suspected OSAS were submitted, in random order, to PM at the sleep laboratory concurrently with PSG (lab-PM) or at home-PM. The diagnostic performance was assessed by sensitivity, specificity, positive and negative predictive values, positive likelihood ratio (+LR), negative likelihood ratio (-LR), intraclass correlation coefficients, kappa statistic, and Bland-Altman plot. RESULTS: One hundred fifty-seven subjects (73% men, mean age +/- SD, 45 +/- 12 yr) with an apnea-hypopnea index (AHI) of 31 (SD +/- 29) events/h were studied. Excluding inadequate recordings, 149 valid comparisons with lab-PM and 121 with unattended home-PM were obtained. Compared to PSG for detecting AHI > 5, the lab-PM demonstrated sensitivity of 95.3%, specificity of 75%, +LR of 3.8, and -LR of 0.11; the home-PM exhibited sensitivity of 96%, specificity of 64%, +LR of 2.7, and -LR of 0.05. Kappa statistics indicated substantial correlation between PSG and PM results. Bland-Altman plot showed smaller dispersion for lab-PM than for home-PM. Pearson product moment correlation coefficients among the three AHIs and clinical outcomes were similar, denoting comparable diagnostic ability. CONCLUSIONS: This study used all available comparison methods to demonstrate accuracy of PM in-home recordings similar to that of repeated PSGs. PM increases the possibility of correctly diagnosing and effectively treating OSAS in populations worldwide.","bibtype":"article","author":"Tonelli de Oliveira, Ana Claudia and Martinez, Denis and Vasconcelos, Luiz Felipe T and Gonçalves, Sandro Cadaval and Lenz, Maria Carmo and Fuchs, Sandra Costa and Gus, Miguel and Abreu-Silva, Erlon Oliveira and Moreira, Leila Beltrami and Fuchs, Flávio Danni","journal":"Chest","number":"2","bibtex":"@article{\n id = {1873d315-9cfa-3b80-b79e-b1ae1e262106},\n title = {Diagnosis of obstructive sleep apnea syndrome and its outcomes with home portable monitoring.},\n type = {article},\n year = {2009},\n identifiers = {[object Object]},\n keywords = {Adult,Confidence Intervals,Female,Home Care Services,Humans,Male,Middle Aged,Monitoring, Ambulatory,Monitoring, Ambulatory: instrumentation,Monitoring, Physiologic,Monitoring, Physiologic: methods,Polysomnography,Polysomnography: instrumentation,Polysomnography: methods,ROC Curve,Risk Assessment,Sensitivity and Specificity,Sleep Apnea Syndromes,Sleep Apnea Syndromes: diagnosis},\n created = {2010-08-13T23:07:00.000Z},\n pages = {330-6},\n volume = {135},\n websites = {http://www.ncbi.nlm.nih.gov/pubmed/19201709},\n month = {2},\n accessed = {2010-08-13},\n file_attached = {true},\n profile_id = {6d353feb-efe4-367e-84a2-0815eb9ca878},\n group_id = {ba0deb47-e19a-3151-83cc-b6262d5edb6e},\n last_modified = {2011-02-21T18:37:32.000Z},\n read = {true},\n starred = {false},\n authored = {false},\n confirmed = {true},\n hidden = {false},\n citation_key = {TonellideOliveira2009},\n client_data = {\"desktop_id\":\"8153cb18-4660-41bb-900c-4ef4ea339c7a\"},\n abstract = {BACKGROUND: The use of portable respiratory monitoring (PM) has been proposed for the diagnosis of obstructive sleep apnea syndrome (OSAS), but most studies that validate PM accuracy have not followed the best standards for diagnostic test validation. The objective of the present study was to evaluate the accuracy of PM performed at home to diagnose OSAS and its outcomes after first validating PM in the laboratory setting by comparing it to polysomnography (PSG). METHODS: Patients with suspected OSAS were submitted, in random order, to PM at the sleep laboratory concurrently with PSG (lab-PM) or at home-PM. The diagnostic performance was assessed by sensitivity, specificity, positive and negative predictive values, positive likelihood ratio (+LR), negative likelihood ratio (-LR), intraclass correlation coefficients, kappa statistic, and Bland-Altman plot. RESULTS: One hundred fifty-seven subjects (73% men, mean age +/- SD, 45 +/- 12 yr) with an apnea-hypopnea index (AHI) of 31 (SD +/- 29) events/h were studied. Excluding inadequate recordings, 149 valid comparisons with lab-PM and 121 with unattended home-PM were obtained. Compared to PSG for detecting AHI > 5, the lab-PM demonstrated sensitivity of 95.3%, specificity of 75%, +LR of 3.8, and -LR of 0.11; the home-PM exhibited sensitivity of 96%, specificity of 64%, +LR of 2.7, and -LR of 0.05. Kappa statistics indicated substantial correlation between PSG and PM results. Bland-Altman plot showed smaller dispersion for lab-PM than for home-PM. Pearson product moment correlation coefficients among the three AHIs and clinical outcomes were similar, denoting comparable diagnostic ability. CONCLUSIONS: This study used all available comparison methods to demonstrate accuracy of PM in-home recordings similar to that of repeated PSGs. 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