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  • Title: Treatment of cytomegalovirus retinitis with oral valganciclovir in an acquired immunodeficiency syndrome patient unresponsive to combination antiretroviral therapy.
    Author: Lee CH, Bright DC, Ferrucci S.
    Journal: Optometry; 2006 Apr; 77(4):167-76. PubMed ID: 16567278.
    Abstract:
    BACKGROUND: Cytomegalovirus (CMV) retinitis was a much-feared visual complication of late-stage acquired immunodeficiency syndrome (AIDS) in the past. Its incidence has waned significantly owing to the benefits of potent antiretroviral combination therapy, which for many individuals has provided some degree of immune reconstitution and avoidance of opportunistic infections, particularly this blinding disease. CASE REPORT: A 45-year-old white man with long-standing, multidrug-resistant human immunodeficiency virus (HIV) infection and severe immunodeficiency despite multiple antiretroviral drug regimens, presented to the eye clinic reporting decreased vision and spider web patterns in his left eye for the past week. Best-corrected visual acuity was 20/20 in the right (O.D.) and 20/25 in the left eye (O.S.). Dilated funduscopic examination of the left eye found vasculitis of the midperipheral inferonasal arcade in the midperiphery, with surrounding intraretinal hemorrhage and granular retinal necrosis. Diagnosis of cytomegalovirus retinitis was made, and the patient began induction therapy with oral valganciclovir 900 mg twice a day for 3 weeks. Maintenance therapy after retinitis stabilization was 900 mg every day until any observed recurrence of infection. Three months after complete resolution of the active retinitis, the patient returned to the clinic reporting new floaters of recent onset. A reactivation of the CMV retinitis warranted a reinduction with valganciclovir 900 mg orally twice a day for 3 weeks. CONCLUSION: This case is illustrative of the efficacy and relative ease of administration of valganciclovir, the newest medication approved for treatment and maintenance of CMV retinitis. Despite his severe immunodeficiency, our patient tolerated the induction and maintenance therapy of oral valganciclovir well, and the CMV retinitis was stabilized and resolved with full recovery of visual acuity.
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