This is a prospective multicentre study from France between March 2004 to December 2011 in four university hospitals; 123 consecutive patients treated with pars planar vitrectomy (PPV) were included in this cohort. The rate of retinal detachment (RD) of post-PPV was 13% (total of 16 eyes) at six months follow-up. The risk factors identified post-PPV RD were diabetes (OR=4.7, p=0.01) and retinal vasculitis on the posterior pole at the time of PPV (OR=3.8, p0.03). Postoperative RD occurred in 56% (n=9) in the first month, 31% (n=5) in the second month and in 6% (n=1) in the third month; 75% (n=12) were macular RD and seven eyes had grade C PVR changes; 60% (n=9/15) achieved reattachment, with one (7/9) or two surgeries (2/9). Final VA was > 20/40 in 19% of cases, compared to 43% in patients without RD (p=0.05) The authors stated limitations of study are timing of PPV surgery, preop VA, media clarity. The presence of retinal vasculitis is a major risk factor and with poor anatomical and functional outcome in spite of updated vitreoretinal techniques.
Occurrence and risk factors for RD after PPV in acute postcataract bacterial endophthalmitis
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