Auerbach SH Author

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Are We Over PAP-Tizing our Patients? The AASM 2012 Criteria for Hypopnea Scoring and Impact on OSA Prevalence

Author(s):

Bajaj N, Johnsen J , Ghosh K and Auerbach SH

Objectives: Due to change in AASM recommended scoring criteria in 2012, we observed that many patients are diagnosed to have moderate-severe OSA and may not need CPAP therapy. We compared AHI derived using AASM recommended scoring definitions in 2007 (AHI2007) and 2012 (AHI2012). We also assessed its impact on prevalence of OSA diagnosis and suggest new OSA classification.

Methods: Retrospective review of 290 consecutive patients who underwent in-lab PSG in a tertiary care hospital during a 3 month period. For AHI2007, hypopneas were required to have ≥ 30% airflow reduction and ≥ 4% desaturation; and for AHI2012, hypopneas were requir... view more»

DOI: 10.4172/2325-9639.1000176

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