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[AIDS and myopathy: report of a case and review of the literature].

Abstract：

:Report of an unusual case of myopathy in an HIV infected patient, responsive only to the immunosuppressor drug methotrexate. The patient was a 39 year old homosexual male with no past history of HIV-related manifestations. One month prior to admission he noticed that his left thigh was swollen and painful. Two weeks later both arms became enlarged and tender. A few days before admission he noticed intermittent fever and progressive dyspnea. Upon admission, oral thrush, dyspnea and global enlargement of both arms was noted. There was no articular involvement. Fiberoptic bronchoscopy revealed Pneumocystis carinii pneumonia (PCP). Serology for HIV was positive. Tests for antinuclear antibodies were negative. Serum CPK level was 1019 IU. Capillaroscopy was compatible with vasculitis. Muscle biopsy revealed multifocal myonecrosis. PCP was successfully treated with standard doses of TMP/SMZ. Although indomethacin, prednisone and dexamethasone were administered in succession, there was relentless progression of myopathy and persistence of fever. Six days after administration of methotrexate, the patient defervesced, volume of arms and legs diminished. CPK levels returned to normal after a second course of methotrexate. Upon reduction of the dose thigh enlargement recrudesced. The patient remained asymptomatic on weekly doses of methotrexate. He died five months later of acute respiratory failure. :Myopathy may be associated with the syndrome of seroconversion in individuals infected by the human immunodeficiency virus (HIV) or may represent the initial symptom of AIDS. In 1990, 39-year old white, single homosexual who was admitted 1 month prior had experienced an episode of edema and pain in the left thigh that faded with the use of nonhormonal antiinflammatory drugs. 15 days later both forearms became enlarged accompanied by pain and erythema. Erythromycin and cefalexine were used without success. Intermittent fever started to appear before admission accompanied by dyspnea when straining. Examination showed tachypnea, oral candidiasis, and enlargement of both upper arms with pain and local erythema without articular involvement. Neurological examination revealed hypotonia and generalized hyperreflexia with intact muscle strength. Serology was positive for HIV, rheumatic activity tests were negative, and muscle biopsy indicated multifocal myonecrosis. Creatinine phosphokinase was 1019 IU (decrease to 44 IU after treatment), aldolase was 19 IU (decrease to 5.6 IU), and glutamic-pyruvic transminase was 50 IU (decrease to 22 IU). Radiography of the thorax indicated interstitial infiltration. Fiberoptic bronchoscopy indicated Pneumocystis carinii pneumonia. Sulfamethoxazole and trimetropim treatment cured the dyspnea and hypoxemia, but the enlargement of both arms progressed. Capillaroscopy indicated vasculitis that was treated without success with indomethacin (150 mg/day), for 7 days; prednisone (40-80 mg/day) for 10 days; and dexamethasone (280 mg/day) for 2 days. 6 days after methotrexate (50 mg/dose/week) treatment the fever disappeared and the enlargement in the extremities receded, but a lower dose of 7.5 mg caused the return of fever and edema in the right thigh. The myopathy remained asymptomatic for 5 months with a weekly dose of 15 mg of methotrexate.

journal_name

Arq Neuropsiquiatr

journal_title

Arquivos de neuro-psiquiatria

authors

Rodrigues KM,Puccioni-Sohler M,Castineiras TM,Pereira MT,Papi JA,Schechter M,Avila C,Duarte F,Novis SA

doi

10.1590/s0004-282x1991000300022

subject

Has Abstract

pub_date

1991-09-01 00:00:00

pages

352-6

issue

eissn

0004-282X

issn

1678-4227

journal_volume

pub_type

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[AIDS and myopathy: report of a case and review of the literature].