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Am J Ophthalmol. 2010 Aug;150(2):218-22. doi: 10.1016/j.ajo.2010.02.025.

Proliferative vitreoretinopathy in human immunodeficiency virus-infected patients in the era of highly active antiretroviral therapy.

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Department of Ophthalmology, Faculty of Medicine, Chiang Mai University, Thailand.



To assess the prevalence of proliferative vitreoretinopathy (PVR) and prognosis of cytomegalovirus (CMV) retinitis-related retinal detachment (RD) surgery in the era of highly active antiretroviral therapy (HAART).


Retrospective interventional cohort study.


Thirty-five human immunodeficiency virus (HIV)-positive patients with CMV retinitis-related RD who underwent surgical repair were assessed for PVR, CD4-positive T cell counts, and use of HAART. Main outcome measures included anatomic and functional outcomes of RD surgery as well as the presence of PVR and CD4-positive T cell counts.


PVR was present in 10 of 35 patients (29%) at the time of the first surgery. The presence of PVR was associated with worse preoperative and postoperative visual acuity (P = .017 and P = .009, respectively), with the CD4-positive T cell counts above 200 cells/microL (P = .054), and with a longer interval between the diagnosis of RD and surgery (P = .025). The odds ratio for development of PVR in patients with CD4-positive T cells above 200 cells/microL was 11.3 (95% confidence interval 1.01-125). PVR was not associated with age, gender, or duration of HIV infection. Anatomic reattachment was obtained in 31 patients (89%), though the functional outcomes were limited. The central location of CMV retinitis was associated with postoperative visual acuity (VA) of less than 0.1 (P = .000). Postoperative logMAR VA was associated with preoperative logMAR VA (P < .001) and development of PVR (P = .009).


PVR was present in 29% of CMV retinitis-related RD and was associated with higher CD4-positive T cell counts and longer interval between the diagnosis of RD and surgery.

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