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J Infect Dis. 1998 Mar;177(3):770-3.

Cytomegalovirus retinitis and viral resistance: ganciclovir resistance. CMV Retinitis and Viral Resistance Study Group.

Author information

1
Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA. dajabs@welchlink.welch.jhu.edu

Abstract

Cytomegalovirus (CMV) retinitis is among the most common opportunistic infections in patients with AIDS and a substantial cause of visual loss. With long-term therapy, resistant CMV may develop. In a prospective study of 108 patients with CMV retinitis, 80.6% of patients were found to have either a positive blood culture or positive urine culture for CMV at the diagnosis of retinitis. At diagnosis of retinitis, 0.9% and 2.7% of patients had a ganciclovir-resistant blood culture isolate and urine culture isolate, respectively. Of 76 patients initially treated with ganciclovir, 11.4% had a resistant blood or urine culture isolate by 6 months of treatment and 27.5% by 9 months. The development of ganciclovir resistance during follow-up correlated with the occurrence of CMV retinitis in the contralateral eye (odds ratio = 9.06, P = .003).

PMID:
9498461
DOI:
10.1086/514249
[Indexed for MEDLINE]

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