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¹MD. Professor., Beyoğlu Training and Research Hospital, Eye Clinic, İstanbul/TURKEY
²MD., Beyoğlu Training and Research Hospital, Eye Clinic, İstanbul/TURKEY
³MD., Osmaniye State Hospital, Eye Clinic, Osmaniye/TURKEY Purpose: To search the additive effect of scleral buckling (SB) to pars plana vitrectomy (PPV) and to compare the properties of vitreous base and retinal tears in primary phakic (PRD) and pseudophakic (PSRD) rhegmatogenous retinal detachment (RRD).
Materials and Methods: This prospective study compares primary anatomical and functional outcomes statistically in the primary RRD consecutive cases (PRD group 44 cases) who (PSRD group 51 cases) underwent PPV with/without SB. Preoperative and intraoperative fundus findings in terms of vitreous base and retinal breaks were compared statistically.
Results: PSRD group had the width of vitreous base more than 2 disc diameters (DD) (47%), irregular posterior edge of vitreous base attached to the breaks in different meridians. PRD group had 2DD width of vitreous base (95.5%), regular posterior edge of vitreous base . The differences were significant statistically. The redetachment rate was 9/26 (34.6%) in PSRD cases with the width of vitreous base wider than 2DD, 2/25 (8%) with the width of vitreous base within 2DD (p=0.038). The differences of primary anatomical and functional results of PPV+SB and PPV were not significant in both groups.
Conclusions: In this study PPV with vitreous base shaving has been found as effective as PPV+SB based on primary anatomical and functional success in both groups. The width of vitreous base more than 2DD effects the redetachment rate significantly in PSRD cases. The properties of vitreous base and the relation with retinal tears in PRD and PSRD groups should be investigated. Keywords : Pars plana vitrectomy combined with scleral buckling, primary rhegmatogenous retinal detachment, pseudophakic retinal detachment, scleral buckling