Objective: Upper airway stimulation effectively treats patients with obstructive sleep apnea, especially among those with low long-term compliance with continuous positive airway pressure. Traditional methods to implant the hypoglossal nerve stimulator involve retraction of the digastric tendon to identify the nerve and improve exposure for stimulator implantation. Transient submental pain and discomfort are known side effects of the procedure. Placement without retraction provides an alternative approach to minimize postoperative pain. This study compares post-operative pain outcomes of patients in whom the digastric tendon was and was not retracted.
Methods: Retrospective chart review of patients who received the hypoglossal nerve stimulation implant at a single institution between 2017 and 2021. A combination of descriptive and qualitative data, including age, gender, comorbidities, and postoperative symptoms are analyzed to characterize patient outcomes resulting from this intraoperative technique. The categorical and continuous variables were analyzed using chi-squared tests and independent t-tests, respectively.
Results: Patients report overall satisfaction after implantation and titration. A total of 108 patients underwent HGNS implantation between September 2017 and January 2021 using the aforementioned techniques. 1.69 % of patients experienced postoperative submental pain as compared to 18.37 % prior to the change in technique (p < 0.01).
Conclusion: Avoidance of digastric tendon retraction in the implantation of the stimulating lead is a safe and effective technique that reduces postoperative pain and discomfort. Our institution has demonstrated an alternative technique for hypoglossal stimulator implantation which improves perioperative outcomes.
Lay Summary: Upper airway stimulation is an effective treatment for obstructive sleep apnea. During surgery, the digastric tendon is often moved to identify the nerve and improve access. This study shows that avoiding digastric tendon movement safely reduces postoperative pain and discomfort.
Level Of Evidence: III.
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| http://dx.doi.org/10.1016/j.amjoto.2024.104391 | DOI Listing |
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