Simple surgical punctal occlusion with high frequency radiowave electrosurgery

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Abstract

Background: To introduce and evaluate the efficacy of a simple punctal occlusion technique for dry eye patients. Methods: Medical records of 79 eyes from 40 patients refractory to common dry eye conservative treatment who underwent multiple high-frequency radio-wave electro-punctal occlusion were retrospectively reviewed. Pre- and post-procedural ocular surface indices (Schirmer test, tear break-up time (TBUT), and corneal staining grade (Oxford scheme)) and subjective symptom scores (including frequency of artificial tear use, interval between procedures, and total repeat time) were analyzed. Results: Average Schirmer test result was significantly (P < 0.05) improved from 4.10 ± 1.39 mm to 8.14 ± 3.13 mm at 6 weeks after the procedure (n = 79). A total of 32 eyes from 16 patients underwent repeated procedure with a mean interval of 8.00 ± 4.86 months, while 24 patients had a single procedure. Twenty-five of 30 patients showed improvement for subjective symptom scores. No complications related to the procedure were observed. Conclusions: A simple, less-invasive punctal occlusion technique using a fine-needle tip with high-frequency radio-wave could significantly relieve subjective symptoms and improve ocular surface indices of patients with aqueous deficient dry eye without causing a major complication. This procedure may play a considerable role in treating dry eye refractory to common practices.

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Park, J. W., Han, J., Choi, W. K., Kim, J., & Choi, C. Y. (2023). Simple surgical punctal occlusion with high frequency radiowave electrosurgery. BMC Ophthalmology, 23(1). https://doi.org/10.1186/s12886-023-02798-4

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