Abstract
Sialendoscopy has effectively changed the paradigm for the treatment of sialolithiasis. Its effect on noncalculi-related recurrent sialadenitis is, however, unclear, especially regarding the long-term outcomes. The objectives of the present study were to evaluate the long-term efficacy of sialendoscopy for noncalculi-related recurrent sialadenitis and determine the clinical and intraoperative features that might be prognosticate outcomes. We performed a prospective cohort study of 33 consecutive patients who had undergone sialendoscopy for recurrent noncalculi-related sialadenitis by a single surgeon in a tertiary institution from January 2010 to December 2016. The patient-reported outcome measures were used as the primary determinant of treatment efficacy. The clinical features and endoscopic findings were evaluated as variables that might predict the treatment outcomes. The Fischer exact test was used to analyze the descriptive data, and a P value of<.05 was considered to indicate statistical significance. Of the 33 patients with recurrent noncalculi-related sialadenitis, 1 was lost to follow-up and thus excluded from the analysis. The mean and median follow-up period for the 32 patients was 27 and 21.5months, respectively. Of the 33 patients, 28 (87.5%) reported symptom improvement, and 19 patients (59.4%) were symptom free after a single sialendoscopic treatment. The chronicity of symptoms, younger patient age, and concurrent autoimmune disease were predictive of recurrent symptoms despite sialendoscopy. The use of sialendoscopy achieved sustained long-term improvements or resolution of symptoms for most patients with recurrent noncalculi-related sialadenitis. The data from our study support the benefits of sialendoscopy for patients with recurrent noncalculi-related sialadenitis.
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