Abstract: Cricopharyngeal muscle myotomy (CPM) is a common intervention for relief of dysphagia in patients with Oculo-pharyngeal muscular dystrophy (OPMD). Because of difficulties in approaching and dissecting cricopharyngeal muscle in these patients, we used transillumination for the myotomy (TA-CPM). Transillumination is a simple technique to improve the guidance and navigation of the surgeon in determining the location and depth of myotomy. The purpose of this study is to evaluate the efficacy and safety of transillumination in CPM in OPMD patients. An observational cohort of patients with OPMD who underwent CPM due to dysphagia at one medical center between 2010 and 2019. Two groups of patients are included, according to whether transillumination was used during their surgery. Patients were evaluated before and after surgery (1 week and 1 month) for their dysphagia score with a standardized questionnaire. The surgical team preferences, experience and complexity with and without transillumination were evaluated. Ten OPMD patients (8 heterozygotes, 2 homozygotes for the commonmutation) underwent CPM for relieving dysphagia symptoms at medium size medical center in Israel between 2010 and 2019. Five patients had TA-CPM and the 5 patients had CPM without transillumination. All patients showed an improvement at follow-up examinations, 1 week and 1 month postoperative, including a decrease in dysphagia score and in choking and aspiration events, compared to their preoperative state. TA-CPM improved the surgical approach, reduced the difficulty of CPM and was preferred by the surgical team. From the patients' point of view, TA-CPM was as good as a non-transillumination approach in improving dysphagia. TA-CPM is a cheap, fast and simple technique to improve the surgical outcomes in CPM for patients with OPMD. TA-CPM navigates the surgeon, helps with anatomical orientation, improve the surgeon's comfortable, may shorten the duration of surgery and reduces potential errors. Improvement in dysphagia score was similar in both groups. This technique may improve myotomy procedures for dysphagia of other etiologies.
Level Of Evidence: IV. Case series (with or without comparison). Endoscopic transillumination assisted myotomy.
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| http://dx.doi.org/10.1007/s12070-020-02227-8 | DOI Listing |
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