J Korean Ophthalmol Soc > Volume 52(11); 2011 > Article
Journal of the Korean Ophthalmological Society 2011;52(11):1263-1268.
DOI: https://doi.org/10.3341/jkos.2011.52.11.1263    Published online November 15, 2011.
Clinical Outcomes of Conjunctiva-Muller Muscle Resection and Factors Which Affect Success.
Dae Il Park, Sung Woo Ha, Helen Lew
Department of Ophthalmology, Bundang CHA Hospital, CHA University, Seongnam, Korea. eye@cha.ac.kr
결막 뮬러근 절제술의 임상 결과와 수술 성공에 미치는 요인
Department of Ophthalmology, Bundang CHA Hospital, CHA University, Seongnam, Korea
To investigate clinical outcomes and to analyze the factors of successful treatment of conjunctiva-Muller muscle resection (CMMR) in patients with mild to moderate ptosis. METHODS: The medical records of 22 patients (30 eyes) with upper lid ptosis were retrospectively reviewed. All patients underwent conjunctiva-Muller muscle resections, and four patients (seven eyes) underwent concurrent upper lid blepharoplasty. The mean follow-up period was 81.62 +/- 21 days. Pre- and post-operative MRD1, IPF and pupil to brow distance were measured using the Image J program. A preoperative phenylephrine test and a pathologic examination were performed to analyze the presence of Muller's muscle and the tear secreting glands from the CMMR specimens. RESULTS: The overall success rate of the procedure was 93%. Postoperatively, the MRD1 increased on average by 1.47 mm (p = 0.00) and increased by an average of 1.72 mm when the phenylephrine test response was greater than 2 mm and by 0.99 mm when the response less than 2 mm. The Muller muscle was observed in every specimen. CONCLUSIONS: Conjunctiva-Muller muscle resection is an effective and safe method for treating mild to moderate ptosis, for which the preoperative phenylephrine test result is the most important factor for surgical success.
Key Words: Conjunctiva;MRD1;Muller muscle;Phenylephrine test;Ptosis

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