Peritonite bacteriana espontânea associado a cirrose hepática. Relato de caso

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Amebic liver abscess in an elderly AIDS patient.

An elderly bisexual male AIDS patient, whose CD4 cell count was 128/mm3 and HIV-RNA was 3.0x10(5) copies/ml, was admitted because of amebic liver abscess and poor nutritional condition. He was treated with daily doses of 1,500 mg of metronidazole for 14 days for amebic liver abscess and with anti-HIV drugs; good therapeutic results were observed. Our study indicates that amebic liver abscess is easily treated by appropriate administration of metronidazole even in an old AIDS patient receiving anti-HIV drugs with low CD4 cell counts and high HIV-RNA values.

Improvement of cardiac function by short atrioventricular delay and diastolic mitral regurgitation in patients implanted with DDD pacemakers

Efficacy of short atrioventricular (AV) delay and diastolic mitral regurgitation (MR) were studied in 16 patients (70.2 mais ou menos 10.5 SD years old) with implanted DDD pacemakers. AV delay was set at 0.215 and 0.115 sec. In 10 of the 16 patients, diastolic MR was not observed when the AV delay was set at both 0.215 and 0.115 sec. Cardiac output (CO) and pulmonary capilary wedge pressure (PCWP) did not change.In 6 of the 16 patients, diastolic MR was observed when the AV delay was set a 0.215 se However, diastolic MR was not observed when the AV delay was set at 0.115 sec. CO increased from 3.6 mais ou menos 0.7 to 3.9 mais ou menos 0.8 I/min (p menor que 0.05). PCWP was decreased in 5 of the 6 patients (83 por cento, p menor que 0.05 vs. 10 por cento in patients without diastolic MR at 0.215 sec of AV delay). Cardiac function may be improved by shortening AV delay when the diastolic MR was observed. On the other hand, short AV delay may not be effective for patients in whom diastolic MR was ntobserved.