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Geniotubercle advancement with a uvulopalatal flap and its effect on swallow function in obstructive sleep apnea
Joseph W Rohrer1, Robert Eller, Phyllis G Santillan
1Department of Otolaryngology , San Antonio Military Medical Center, San Antonio, Texas, U.S.A.
The Laryngoscope
|September 25, 2014
Summary
Geniotubercle advancement with uvulopalatal flap surgery effectively treats sleep apnea but does not significantly impact swallowing function or hyolaryngeal movement in patients.
Area of Science:
- Otolaryngology
- Sleep Medicine
- Swallowing Disorders
Background:
- Obstructive sleep apnea (OSA) is a common condition often treated with surgical interventions.
- Geniotubercle advancement (GTA) with a uvulopalatal flap (UPF) is a surgical technique used to address OSA.
- The impact of GTA with UPF on swallowing function requires further investigation.
Purpose of the Study:
- To evaluate the effects of geniotubercle advancement (GTA) combined with a uvulopalatal flap (UPF) on swallowing characteristics.
- To assess changes in hyolaryngeal elevation, displacement, and bolus movement before and after surgery.
- To determine if GTA with UPF surgery affects the incidence of dysphagia or aspiration.
Main Methods:
- A prospective case-control series was conducted involving 14 patients with severe obstructive sleep apnea (apnea-hypopnea index >10).
- Eight patients completed the study, undergoing video fluoroscopic swallow studies preoperatively and 4 months postoperatively.
- Hyolaryngeal elevation and displacement were quantified using ImageJ64 software; vallecular pooling, aspiration, and bolus movement were assessed via video recordings.
Main Results:
- Geniotubercle advancement with uvulopalatal flap surgery significantly reduced the apnea-hypopnea index (mean AHI decreased from 48.3 to 11.6, P=.003).
- No significant differences were observed in hyolaryngeal superior elevation (P=.85), anterior displacement (P=.23), or total motion (P=.26) postoperatively.
- No pre- or postoperative dysphagia, aspiration, or radiographic evidence of silent aspiration was reported.
Conclusions:
- Geniotubercle advancement with uvulopalatal flap surgery is effective in treating severe obstructive sleep apnea.
- The surgical procedure does not appear to significantly alter hyolaryngeal function or swallowing kinematics.
- Patients undergoing GTA with UPF can expect improvements in sleep apnea without compromising their swallowing abilities.
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