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Biomedical subjects

S Matheron

Publications and source records attributed to S Matheron.

At least 73 records · Page 4Linked to original sources
PubMed1991

Efficacy and tolerance of intravitreal ganciclovir in cytomegalovirus retinitis in acquired immune deficiency syndrome.

Forty-four patients with acquired immune deficiency syndrome with cytomegalovirus (CMV) retinitis (64 eyes) intolerant of or refusing systemic antiviral therapy received 710 intravitreal injections of ganciclovir at the dosage of 400 micrograms per injection. The patients were followed for a mean period of 9 weeks. Induction therapy consisted of two injections a week until healing. Maintenance therapy consisted of one injection a week until relapse. All but 1 of 53 induction courses led to cicatrization, after a mean of 6.6 injections. In 54 maintenance courses, the 8-week relapse rate was 53%. During intravitreal therapy, involvement of the fellow eye occurred in 11% of the patients and CMV infection developed in a nonocular site in 16% of the patients. Five retinal detachments and two intravitreal hemorrhages occurred. No endophthalmitis or cataract was noted. Intravitreal ganciclovir appears to be a safe and effective alternative in patients intolerant of intravenous anti-CMV drugs.

Acquired Immunodeficiency Syndrome↗
PubMed1991

AIDS-associated Kaposi's sarcoma in female patients.

Kaposi's sarcoma (KS) is very unusual in Caucasian women with AIDS. We conducted a retrospective survey of 12 female AIDS patients with KS, including 11 Caucasian women. HIV infection was thought to have been acquired after sexual contact, intravenous drug use (nine cases) or blood transfusion (three cases). In these patients KS was often the first manifestation of AIDS and showed an aggressive course. The disease was associated with a severe immunodeficiency (CD4 T lymphocyte count less than 100 x 10(6)/l in 50% of cases) and a poor prognosis. In four patients, lesions first developed on areas of sexual contact, supporting the hypothesis that KS is a sexually transmitted disease.

Acquired Immunodeficiency Syndrome↗
PubMed1991

[Hemolytic anemia associated with minor salmonellosis in an HIV positive, G6PD deficient Congolese woman].

Haemolytic anaemia in G6PD-deficient patients with thyphoid fever is well known, but there is only one case-report associated with non-typhic salmonella fever. We report here a case observed in a black african young woman whose HIV infection has been discovered on this occasion. Because of the high prevalence of HIV infection, salmonellosis and G6PD deficiency in sub-saharian Africa, an increasing number of such haemolytic anaemias should be expected in this geographic area.

Adult↗
PubMed1990

Treatment of the acquired immune deficiency syndrome-related Kaposi's sarcoma with bleomycin as a single agent.

A nonrandomized trial was conducted to assess the efficiency and toxicity of bleomycin as a single agent in treatment of non-life-threatening AIDS-related Kaposi's sarcoma (KS). Sixty patients were enrolled in this study. They all had a disseminated and progressive non-life-threatening AIDS-related KS associated with systemic symptoms and/or CD4 lymphocyte count less than 400/mm3. Thirty patients were treated with intramuscular bleomycin (5 mg/d for 3 days every 2 or 3 weeks) and 30 others with a slow continuous intravenous infusion of bleomycin (6 mg/m3/d for 4 days every 4 weeks). The mean duration of therapy was 5 months (range, 2 to 24 months). A partial response was observed in 29 patients (48.3%) and the disease was stabilized in 18 additional patients (30%). Bleomycin failed in 21.6% of patients. Therapy had to be discontinued in two patients because of side effects. Thus bleomycin as a single agent is a good alternative therapy for AIDS-related KS.

Acquired Immunodeficiency Syndrome↗
PubMed1989

Prevention of Pneumocystis carinii pneumonia relapse by pentamidine aerosol in zidovudine-treated AIDS patients.

To examine the efficacy and tolerance of pentamidine aerosol in the prevention of Pneumocystis carinii pneumonia (PCP) relapse in patients with the acquired immunodeficiency syndrome (AIDS) being treated with zidovudine, 51 patients who had had an episode of PCP in the previous 5 months were enrolled in a randomised controlled study. 25 patients (group I) received pentamidine mesylate aerosol (4 mg/kg every 2 weeks for the first month then monthly) and zidovudine, and 26 patients (group II) zidovudine alone. 3 group I patients withdrew from pentamidine therapy prematurely and were excluded from the analysis of efficacy. Relapses of PCP occurred in 2 out of 22 (9%) group I patients and in 16 out of 26 (61%) group II patients after a mean follow-up of 10 and 8.7 months, respectively. The two groups differed significantly (p less than 0.0001) in proportions without relapse. They did not differ in proportions surviving. Bronchial intolerance was common (47%); no systemic side-effects of pentamidine were observed. Pentamidine aerosol thus seems to be effective in preventing PCP relapses in AIDS patients on zidovudine. The early termination of the trial prevented assessment of the long-term efficacy and safety of pentamidine given by aerosol.

Acquired Immunodeficiency Syndrome↗
PubMed1989

Foscarnet in the treatment of cytomegalovirus retinitis in acquired immune deficiency syndrome.

Cytomegalovirus (CMV) retinitis is the major cause of visual loss in acquired immune deficiency syndrome (AIDS). Thirty-one patients with active CMV retinitis were treated with the new antiviral drug, Foscarnet (trisodium phosphonoformate). After a 3-week course of induction therapy, the retinitis improved in 29 of 31 patients (93.5%). Complete resolution of the retinitis was seen in 19 cases (61.3%). Ten patients had partial resolution (32.2%) and two (6.5%) failed to respond. After induction therapy, six patients were put on a low-dose maintenance regimen. All patients without maintenance therapy relapsed within 3 weeks after discontinuation of Foscarnet. The rate of relapse on maintenance therapy was 50% (3/6) within the first 5 weeks. The three other patients of Foscarnet maintenance did not relapse after a follow-up period of 12 weeks. In contrast to ganciclovir, Foscarnet did not induce neutropenia but it produced kidney toxicity that led to reversible renal insufficiency in three cases. Thus, Foscarnet appears to be a useful alternative to ganciclovir, particularly when combined with bone marrow toxic drugs, such as zidovudine (azidothymidine).

Acquired Immunodeficiency Syndrome↗
PubMed1989

Comparison of plasma concentrations of aerosolized pentamidine in nonventilated and ventilated patients with pneumocystosis.

Pentamidine concentrations were determined in plasma after a single aerosolization of 4 mg/kg pentamidine base on 18 patients breathing spontaneously (Group I) and in eight patients receiving mechanical ventilation (Group II). All the patients had documented pneumocystosis. Large interindividual variations in concentrations appeared, especially in Group I. Low concentrations were observed in Group I: Cmax = 65.6 +/- 9.4 micrograms/L (mean +/- SEM), contrasting with high levels in Group II: Cmax = 215.8 +/- 49.8 micrograms/L (mean +/- SEM). Consequently, the mean area under the curve from zero to 4 h was 2.6-fold higher in Group II than in Group I. These findings underline the risk of dose-related pentamidine toxicity in ventilated patients treated with aerosolized pentamidine and the interest of plasma pentamidine monitoring.

Acquired Immunodeficiency Syndrome↗
PubMed1989

[Treatments in AIDS].

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Acquired Immunodeficiency Syndrome↗