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Biomedical subjects

I Gilson

Publications and source records attributed to I Gilson.

6 recordsLinked to original sources
PubMed2001

Antiretroviral hepatotoxicity in human immunodeficiency virus-infected patients.

BACKGROUND: Drug hepatotoxicity is a potentially serious adverse reaction of antiretroviral therapy in human immunodeficiency virus-infected patients. The impact of this problem in the routine treatment of patients with human immunodeficiency virus infection is poorly defined. OBJECTIVES: Our aim was to determine what clinical features are associated with hepatotoxicity in human immunodeficiency virus-infected patients receiving antiretroviral therapy. METHODS: Consecutive patients in a primary care-based human immunodeficiency virus clinic were evaluated for hepatotoxicity. Clinic records were used to obtain patient characteristics, as well as independent variables including CD4+ count, coexisting hepatitis C and current alcohol use. RESULTS: Sixty-five patients taking antiretroviral therapy were evaluated. Twenty-four were identified to have antiretroviral hepatotoxicity. An age over 40 years (P=0.019), an absolute CD4+ count of less than 310 cells/mL (P=0.002) and coexisting hepatitis C infection (P=0.035) were significantly associated with hepatotoxicity. Patients older than 40 years had a sevenfold increased risk (risk ratio, 6.9; 95% confidence interval, 1.7-27.3) and those with an absolute CD4+ count of less than 310 cells/mL had a tenfold increased risk (risk ratio, 10.2; 95% confidence interval, 2.5-41.9) for antiretroviral hepatotoxicity, in comparison with those who were younger or who had a greater absolute CD4+ count. Of the eight patients documented to have coexisting hepatitis C infection, six (75%) were in the antiretroviral hepatotoxicity group. CONCLUSIONS: An age older than 40 years and an absolute CD4+ count of less than 310 cells/mL were significantly associated with antiretroviral-induced hepatotoxicity. The majority of our patients with chronic hepatitis C had hepatotoxicity from antiretroviral therapy.

Adult↗
PubMed1991

Foscarnet therapy in five patients with AIDS and acyclovir-resistant varicella-zoster virus infection.

OBJECTIVE: To determine whether foscarnet has potential efficacy in the treatment of acyclovir-resistant mucocutaneous varicella-zoster infection in patients with the acquired immunodeficiency syndrome (AIDS). DESIGN: Open-label study. SETTING: Three university medical centers. PATIENTS: Five patients with AIDS who were infected with thymidine-kinase-deficient or -altered strains of varicella-zoster virus. INTERVENTION: Foscarnet, 40 mg/kg body weight every 8 hours in 1-hour infusions for 10 or more days. MAIN RESULTS: Four patients had healing in response to foscarnet therapy, and each of four tested patients became culture negative for virus during foscarnet therapy. Results of fluorescent antigen testing remained positive during therapy in two patients; one of these patients had concomitant clinical failure but the other patient healed fully. One patient had complete healing despite the emergence of resistance to foscarnet in serial specimens obtained during foscarnet therapy. CONCLUSION: Foscarnet is a potentially effective and tolerable antiviral agent for patients with acyclovir-resistant, varicella-zoster virus infection; however, the optimal dosage and duration of therapy require further study, as does the relation between clinical findings and in-vitro susceptibility results.

Acquired Immunodeficiency Syndrome↗
PubMed1991

Human ehrlichiosis diagnosed in Wisconsin.

A man developed a febrile illness shortly after he returned to Wisconsin from Florida, where he had received tick bites. This illness was associated with a rash, thrombocytopenia, leukopenia, and elevated hepatic enzymes, and it resolved on doxycycline. Serologic studies confirmed ehrlichiosis, a tick-borne rickettsial intraleukocytic infection endemic to the Southeastern United States. This case expands the spectrum of tick-borne illnesses that must be considered by Wisconsin clinicians.

Adult↗