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An Alternative Algorithm for Müller Muscle Conjunctival Resection Surgery for Blepharoptosis Management

OBJECTIVES: To evaluate the surgical outcomes of Müller Muscle conjunctival resection surgery performed with an alternative formula. METHODS: A total of 58 eyes of 58 patients with mild ptosis (≤2 mm) and levator function ≥8 mm who responded to 2.5% phenylephrine were enrolled in this study. Müller...

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Detalles Bibliográficos
Autores principales: Karabulut, Gamze Ozturk, Fazil, Korhan, Sonmez, Orcun, Gunaydin, Zehra Karaagac, Cabuk, Kubra Serefoglu, Pasaoglu, Isil, Taskapili, Muhittin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Kare Publishing 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8842059/
https://www.ncbi.nlm.nih.gov/pubmed/35187455
http://dx.doi.org/10.14744/bej.2019.46220
Descripción
Sumario:OBJECTIVES: To evaluate the surgical outcomes of Müller Muscle conjunctival resection surgery performed with an alternative formula. METHODS: A total of 58 eyes of 58 patients with mild ptosis (≤2 mm) and levator function ≥8 mm who responded to 2.5% phenylephrine were enrolled in this study. Müller muscle conjunctival resection was performed between March 2016-March 2018, and the charts were reviewed retrospectively. Margin-reflex distance 1 was measured before and after five minutes following the instillation of phenylephrine. The amount of excision was 9 mm when the desired elevation was achieved. If the phenylephrine testing resulted in under-correction, 10 mm was resected, and in overcorrection, 8 mm resection was performed. Margin reflex distance and Schirmer test measurements were performed preoperatively and on the first, third and sixth months postoperatively. RESULTS: The mean increase in margin-reflex distance 1 was statistically significant at the first, third and sixth months postoperatively when compared to preoperative values (p<0.05, Wilcoxon signed ranks test). Postoperative symmetry was achieved in 54 patients (93.1%) after six months. Compared to the preoperative values, changes in Schirmer-1 test results were not statistically significant at each visit after the procedure (p>0.05, Wilcoxon signed ranks test). None of the patients had keratopathy, eyelid contour abnormality, or symblepharon. CONCLUSION: Müller muscle conjunctival resection is an alternative procedure to external approach in patients with mild ptosis and good levator function. The algorithm used in this study resulted in a high success rate with high predictability.