Incidence of endophthalmitis in a large series of 23-gauge and 20-gauge transconjunctival pars plana vitrectomy

Barbara Parolini; Federica Romanelli; Guido Prigione; Grazia Pertile
July 2009
Graefe's Archive of Clinical & Experimental Ophthalmology;Jul2009, Vol. 247 Issue 7, p895
Academic Journal
Abstract Background  To study the incidence of endophthalmitis after 23-gauge pars plana vitrectomy and to compare it with the endophthalmitis rate after 20-gauge pars plana vitrectomy performed in the same ophthalmology department. Methods  The charts of 4,021 consecutive 20-gauge or 23-gauge pars plana vitrectomies performed at a single institution, between August 1 2003 and April 1 2008, were reviewed to search for the occurrence of postoperative endophthalmitis. This is a retrospective, interventional, comparative cohort study. Results  Endophthalmitis developed in one of 3,078 eyes after 20-gauge vitrectomy (0.03%) and in none of 943 eyes after 23-gauge vitrectomy. Conclusions  We did not find an increased risk of endophthalmitis after 23-gauge sutureless vitrectomy.


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