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https://hdl.handle.net/2440/110984
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dc.contributor.author | Chai-Coetzer, C. | - |
dc.contributor.author | Antic, N. | - |
dc.contributor.author | Hamilton, G. | - |
dc.contributor.author | McArdle, N. | - |
dc.contributor.author | Wong, K. | - |
dc.contributor.author | Yee, B. | - |
dc.contributor.author | Yeo, A. | - |
dc.contributor.author | Ratnavadivel, R. | - |
dc.contributor.author | Naughton, M. | - |
dc.contributor.author | Roebuck, T. | - |
dc.contributor.author | Woodman, R. | - |
dc.contributor.author | McEvoy, R. | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | Annals of Internal Medicine, 2017; 166(5):332-340 | - |
dc.identifier.issn | 0003-4819 | - |
dc.identifier.issn | 1539-3704 | - |
dc.identifier.uri | http://hdl.handle.net/2440/110984 | - |
dc.description.abstract | Background: The clinical utility of limited-channel sleep studies (which are increasingly conducted at home) versus laboratory polysomnography (PSG) for diagnosing obstructive sleep apnea (OSA) is unclear. Objective: To compare patient outcomes after PSG versus limited-channel studies. Design: Multicenter, randomized, noninferiority study. (Australian New Zealand Clinical Trials Registry: ACTRN12611000926932). Setting: 7 academic sleep centers. Participants: Patients (n = 406) aged 25 to 80 years with suspected OSA. Intervention: Sleep study information disclosed to sleep physicians comprised level 1 (L1) PSG data (n = 135); level 3 (L3), which included airflow, thoracoabdominal bands, body position, electrocardiography, and oxygen saturation (n = 136); or level 4 (L4), which included oxygen saturation and heart rate (n = 135). Measurements: The primary outcome was change in Functional Outcomes of Sleep Questionnaire (FOSQ) score at 4 months. Secondary outcomes included the Epworth Sleepiness Scale (ESS), the Sleep Apnea Symptoms Questionnaire (SASQ), continuous positive airway pressure (CPAP) compliance, and physician decision making. results: Change in FOSQ score was not inferior for L3 (mean difference [MD], 0.01 [95% CI, -0.47 to 0.49; P = 0.96]) or L4 (MD, -0.46 [CI, -0.94 to 0.02; P = 0.058]) versus L1 (noninferiority margin [NIM], -1.0). Compared with L1, change in ESS score was not inferior for L3 (MD, 0.08 [CI, -0.98 to 1.13; P = 0.89]) but was inconclusive for L4 (MD, 1.30 [CI, 0.26 to 2.35; P = 0.015]) (NIM, 2.0). For L4 versus L1, there was less improvement in SASQ score (-17.8 vs. -24.7; P = 0.018), less CPAP use (4.5 vs. 5.3 hours per night; P = 0.04), and lower physician diagnostic confidence (P = 0.003). Limitation: Limited-channel studies were simulated by extracting laboratory PSG data and were not done in the home. Conclusion: The results support manually scored L3 testing in routine practice. Poorer outcomes with L4 testing may relate, in part, to reduced physician confidence. Primary Funding Source: National Health and Medical Research Council and Repat Foundation. | - |
dc.description.statementofresponsibility | Ching Li Chai-Coetzer, Nick A. Antic, Garun S. Hamilton, Nigel McArdle, Keith Wong, Brendon J. Yee, Aeneas Yeo, Rajeev Ratnavadivel, Matthew T. Naughton, Teanau Roebuck, Richard Woodman and R. Doug McEvoy | - |
dc.language.iso | en | - |
dc.publisher | American College of Physicians | - |
dc.rights | © 2017 American College of Physicians | - |
dc.source.uri | http://dx.doi.org/10.7326/m16-1301 | - |
dc.subject | Sleep Apnea, Obstructive | - |
dc.title | Physician decision making and clinical outcomes with laboratory polysomnography or limited-channel sleep studies for obstructive sleep apnea: a randomized trial | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.7326/M16-1301 | - |
dc.relation.grant | NHMRC | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | McEvoy, R. [0000-0002-5759-0094] | - |
Appears in Collections: | Aurora harvest 8 Medicine publications |
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