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Differential association of body mass index with hypoglossal nerve stimulation efficacy by pharyngeal collapse pattern in obstructive sleep apnea

2026-01-26 respiratory medicine Title + abstract only
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IntroductionUnilateral hypoglossal nerve stimulation (HGNS) is an approved surgical therapy for obstructive sleep apnea (OSA), but its efficacy is limited by obesity and unfavorable (laterally directed) pharyngeal collapse patterns. This study tested whether the effect of body mass index (BMI) on HGNS efficacy differs by pharyngeal collapse pattern, specifically comparing laterally directed and anteroposterior (AP) collapse. MethodsWe pooled data from two independent HGNS cohorts (n=760) to eva...

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