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KMID : 0389520130200010031
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Sleep Medicine.Psychophysiology
2013 Volume.20 No. 1 p.31 ~ p.34
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Comparison between Group I in Which Non-Supine Apnea-Hypopnea Index and Group II in Which Non-Supine Apnea-Hypopnea Index<5 in Patients with Positional Sleep Apnea
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Park Won-Il
Jung Hye-Won
Joo Joon-Bum
Cho Ju-Eun
Kim Jong-Yang
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Abstract
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Objectives: The aim of this study was to evaluate the differences in patients with positional dependent sleep apnea according to their non-supine apnea-hypopnea index (AHI, vs. <5). Methods: 92 patients with positional sleep apnea were evaluated. The patients were divided into two groups : group I was non-supine AHI having ; group II was non-supine AHI having less than 5. Statistical analysis was performed to find the difference between two groups. Results: In 92 patients, the number of group I patients was 11 (12%) and the number of group II patients was 81 (88%). In the severe AHI group, percentage of group I was dominated (70%) and showing a significant difference compared with the mild and moderate AHI groups (p<.05). In the severe body mass index (BMI) group, percentage of group I was dominated (54.5%) and showing a significant difference compared with of the mild and moderate BMI groups (p<.05). The percentage of group I was significantly higher than group II (p<.05) in the AHI, supine AHI, non-supine AHI and snore time. Conclusions: In patients with positional sleep apnea, severe OSA and high BMI are more common in patients with non-supine AHI than non-supine AHI<5.
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KEYWORD
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Obstructive sleep apnea, Apnea-hypopnea index, Body mass index, Portable polysomnography
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