A comparison of polysomnography and the SleepStrip in the diagnosis of OSA

Kenny P. Pang, Thomas A Dillard, Amy Renee Blanchard, Christine G. Gourin, Robert Podolsky, David J Terris

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Objective: To investigate the role of a portable screening device (SleepStrip) in the diagnosis of obstructive sleep apnea (OSA). Methods and materials: Prospective, nonrandomized double-blinded single cohort study at an academic health center. Patients with suspected OSA scheduled for an attended overnight Level I polysomnogram (PSG) and who consented to participate in the study wore the SleepStrip device at home the night after the PSG. The apnea-hypopnea index (AHI) determined by PSG was compared with the results of the SleepStrip recording. Results: Thirty-seven patients with a mean age of 52.1 ± 12.2 years and mean body mass index of 35.7 ± 5.2 participated in the study. The overall agreement between the AHI and the SleepStrip results using Cohen's Kappa value was 0.139 (P = 0.19). The sensitivity and specificity of the SleepStrip for diagnosing severe OSA when the AHI was >40 were 33.3% and 95% (P = 0.05). When the AHI was >25, the SleepStrip sensitivity and specificity were 43.8% and 81.3% (P = 0.26). The sensitivity and specificity of the SleepStrip for diagnosing OSA in patients with an AHI >15 were 54.6% and 70%, respectively (P = 0.26). Conclusion: The SleepStrip has a low correlation with the AHI as measured by PSG. Further studies are needed before this device can be recommended as a screening tool for the diagnosis of OSA. EBM rating: B-2b.

Original languageEnglish (US)
Pages (from-to)265-268
Number of pages4
JournalOtolaryngology - Head and Neck Surgery
Volume135
Issue number2
DOIs
StatePublished - Aug 6 2006

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Polysomnography
Obstructive Sleep Apnea
Apnea
Sensitivity and Specificity
Equipment and Supplies
Body Mass Index
Cohort Studies
Health

ASJC Scopus subject areas

  • Surgery
  • Otorhinolaryngology

Cite this

A comparison of polysomnography and the SleepStrip in the diagnosis of OSA. / Pang, Kenny P.; Dillard, Thomas A; Blanchard, Amy Renee; Gourin, Christine G.; Podolsky, Robert; Terris, David J.

In: Otolaryngology - Head and Neck Surgery, Vol. 135, No. 2, 06.08.2006, p. 265-268.

Research output: Contribution to journalArticle

Pang, Kenny P. ; Dillard, Thomas A ; Blanchard, Amy Renee ; Gourin, Christine G. ; Podolsky, Robert ; Terris, David J. / A comparison of polysomnography and the SleepStrip in the diagnosis of OSA. In: Otolaryngology - Head and Neck Surgery. 2006 ; Vol. 135, No. 2. pp. 265-268.
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