研究目的
To investigate the efficacy of fortified barrier laser (FBL) on the vitreous base in vitrectomy for rhegmatogenous retinal detachment (RRD).
研究成果
FBL on the vitreous base was efficacious in improving the anatomical success rate of vitrectomy. The modified barrier laser technique fortified along the vitreous base was a simple and effective procedure in PPV for RRD to reduce the recurrence rate without increasing the risk of specific complications related to photocoagulation.
研究不足
The study was retrospective in nature, and the operations were performed at different periods for the two groups. The study included only simple RRD cases, and cases with vitreoretinal proliferative membrane or cases treated with combined scleral buckling were excluded.
1：Experimental Design and Method Selection:
A retrospective study was conducted on patients who underwent vitrectomy for RRD without proliferative vitreoretinopathy.
2：Sample Selection and Data Sources:
Medical records of patients who underwent PPV, endolaser photocoagulation, and gas tamponade for primary RRD consecutively between June 2011 and June 2018 were reviewed.
3：List of Experimental Equipment and Materials:
Constellation (Alcon Laboratories Inc., Fort Worth, TX) sutureless 23-gauge (G) or 25-G vitrectomy system or EVA (DORC, Zuidland, The Netherlands) 25-G vitrectomy system and a non-contact wide-angle viewing system (Resight 700, Carl Zeiss Meditec AG, Jena, Germany).
4：Experimental Procedures and Operational Workflow:
Barrier laser was applied as 3–4 rows surrounding the break at the end of fluid-air exchange. For the FBL, 3–4 rows of laser burn were additionally made about
5：5 clock-hour long adjacent to the break along the posterior border of the vitreous base. Data Analysis Methods:
Descriptive statistics were used to analyze the data. The Mann–Whitney U-test was used to analyze the quantitative variables, and the Chi-squared test for independence or Fisher’s exact test was used to analyze the categorical variables.
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