Journal
REVUE DE MEDECINE INTERNE
Volume 41, Issue 5, Pages 335-338Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.revmed.2020.04.006
Keywords
Cutaneous Lupus; Hydroxychloroquine; Chloroquine; Cardiac Conduction Disorder; Myopathy; Cardiomyopathy
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Introduction. - This case report signifies the need to systemically assess antimalarial toxicity in those undergoing long-term treatment. Case report. - A 59-year-old man with a history of ischemic-labeled heart disease revealed by conduction disorders and cutaneous lupus treated initially with hydroxychloroquine followed by chloroquine consulted for asthenia and weight loss. Clinically, he had a muscular atrophy, a motor deficit, and an abolition of the osteo-tendinous reflexes in the lower limbs. Adverse drug effects of the antimalarial therapy were suspected-specifically, muscular and cardiac toxicity. The diagnosis was confirmed with a muscle biopsy, which showed typical and florid vacuolar myopathy. Cessation of the drug resulted in a slow regression of symptoms. Conclusion. - Cardiac and muscular toxicity related to antimalarials are rare and sometimes fatal; thus, they must be systematically assessed in a patient with several years of exposure. A muscle biopsy could be sufficient to allow for the diagnosis. (C) 2020 Societe Nationale Francaise de Medecine Interne (SNFMI). Published by Elsevier Masson SAS. All rights reserved.
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