J Korean Ophthalmol Soc > Volume 50(3); 2009 > Article
Journal of the Korean Ophthalmological Society 2009;50(3):405-411.
DOI: https://doi.org/10.3341/jkos.2009.50.3.405    Published online March 15, 2009.
Comparison Between 20-Gauge and 23-Gauge Vitrectomy System in Primary Vitrectomy for Rhegmatogenous Retinal Detachment.
Min Kyu Shin, Ji Eun Lee, Boo Sup Oum
1Department of Ophthalmology, School of Medicine, Pusan National University, Pusan, Korea. jlee@pusan.ac.kr
2Medical Research Institute, Pusan National University, Pusan, Korea.
열공망막박리에서 일차수술로서 20게이지와 23게이지 유리체절제술의 비교
신민규1ㆍ이지은1,2ㆍ엄부섭1,2
Department of Ophthalmology, School of Medicine, Pusan National University1, Pusan, Korea / Medical Research Institute, Pusan National University2, Pusan, Korea
Abstract
PURPOSE
The efficacy of 20-gauge and 23-gauge vitrectomy system was investigated in primary vitrectomy for rhegmatogenous retinal detachment. METHODS: Eyes that underwent primary vitrectomy without scleral buckling for the treatment of rhegmatogenous retinal detachment were followed up at least 6 months and were reviewed retrospectively. Anatomic results, functional outcomes, operation time and complications were compared between 20-gauge and 23-gauge groups. RESULTS: Among 59 eyes of 59 patients, the 20-gauge group had 29 eyes of 29 patients and 23-gauge group had 30 eyes of 30 patients. Anatomic success after a single operation was obtained in 23 eyes (79.3%) of the 20-gauge group and 28 eyes (93.3%) of the 23-gauge group. Recurrence occurred in 6 eyes (20.7%) in the 20-gauge and in 2 eyes (6.6%) in the 23-gauge group. Retinal reattachment in all of these eyes was obtained through reoperation. Visual acuity improved logMAR 0.2 or more in 19 eyes (65.5%) of the 20-gauge group and 20 eyes (66.7%) of the 23 gauge group (p=0.153, 0.215). The average operation time of the 23-gauge group was 80.2 minutes, which was significantly shorter than the 94.8 minutes of the 20-gauge group (p=0.008). Transient ocular hypertension and progression of lens opacity were the most common complications in the both groups. CONCLUSIONS: Twenty-three-gauge transconjuctival sutureless vitrectomy achieved outcomes comparable with 20-gauge vitrectomy, with significantly shorter operation time in repair of rhegmatogenous retinal detachment. It is considered as a viable alternative to 20-gauge vitrectomy in selected cases.
Key Words: Operation time;Rhegmatogenous retinal detachment;Transconjunctival sutureless vitrectomy


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