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Am J Ophthalmol. 1997 Aug;124(2):141-57.

Foscarnet-Ganciclovir Cytomegalovirus Retinitis Trial: 5. Clinical features of cytomegalovirus retinitis at diagnosis. Studies of ocular complications of AIDS Research Group in collaboration with the AIDS Clinical Trials Group.

[No authors listed]

Abstract

PURPOSE:

To examine associations of systemic and ocular characteristics with severity of cytomegalovirus (CMV) retinitis at time of diagnosis and to compare ocular characteristics of eyes with and without CMV retinitis.

METHODS:

Eleven clinical centers, a data coordinating center, and a fundus photograph reading center participated in a randomized, controlled, multicenter clinical trial comparing foscarnet and ganciclovir as primary therapy for previously untreated CMV retinitis in 240 patients with AIDS.

RESULTS:

The systemic characteristics marginally associated with the percentage of retina affected by CMV in a patient's worse eye at diagnosis were chronic fever, weight loss, and number of HIV-related illnesses. A positive CMV blood culture at diagnosis was similarly associated with bilateral disease. Laboratory measures of disease did not correlate well with measures of CMV retinitis severity. Many eyes with CMV retinitis had no or minimal lesion hemorrhage, but most had signs of inflammation. Patients often reported visual symptoms for involved eyes. The worse eyes (the eye with lesions covering the most retinal area) of patients with bilateral disease had greater retinal involvement, more lesions, and fewer degrees of visual field than did involved eyes of patients with unilateral disease. Visual symptoms, inflammation, indolent retinitis, and hemorrhagic lesions were associated with a greater percentage of retina affected by CMV.

CONCLUSIONS:

The findings support viremia as a mechanism of spread for untreated disease. Visual symptoms and signs of ocular inflammation were indicators both of the presence of CMV retinitis and of greater extent of retinal area covered by CMV retinitis lesions.

Comment in

PMID:
9262538
[Indexed for MEDLINE]

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