Cardiac Damage from Chronic Use of Chloroquine: A Case Report and Review of the Literature

Chloroquine has been widely used in rheumatological treatment, but potential severe side effects require careful follow-up. Cardiac damage is not a common consequence, but its clinical relevance has not yet been described. We report the case of a 58-year-old woman with rheumatoid arthritis, in whom chronic chloroquine use resulted in major irreversible cardiac damage. She presented with syncopal episodes due to complete atrioventricular block confirmed by electrophysiological study whose changes were concluded to be irreversible and a permanent pacemaker was indicated. Endomyocardial biopsy was also performed to search for histopathological and ultrastructural cardiac damage. We also reviewed the 22 cases of chloroquine-induced cardiopathy described to date as well as its pathophysiology.

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Main Authors: Teixeira,Ricardo Alkmim, Martinelli Filho,Martino, Benvenuti,Luiz Alberto, Costa,Roberto, Pedrosa,Anísio A., Nishióka,Silvana A. D.
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Cardiologia - SBC 2002
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2002001000009
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spelling oai:scielo:S0066-782X20020010000092002-08-01Cardiac Damage from Chronic Use of Chloroquine: A Case Report and Review of the LiteratureTeixeira,Ricardo AlkmimMartinelli Filho,MartinoBenvenuti,Luiz AlbertoCosta,RobertoPedrosa,Anísio A.Nishióka,Silvana A. D.Chloroquine has been widely used in rheumatological treatment, but potential severe side effects require careful follow-up. Cardiac damage is not a common consequence, but its clinical relevance has not yet been described. We report the case of a 58-year-old woman with rheumatoid arthritis, in whom chronic chloroquine use resulted in major irreversible cardiac damage. She presented with syncopal episodes due to complete atrioventricular block confirmed by electrophysiological study whose changes were concluded to be irreversible and a permanent pacemaker was indicated. Endomyocardial biopsy was also performed to search for histopathological and ultrastructural cardiac damage. We also reviewed the 22 cases of chloroquine-induced cardiopathy described to date as well as its pathophysiology.info:eu-repo/semantics/openAccessSociedade Brasileira de Cardiologia - SBCArquivos Brasileiros de Cardiologia v.79 n.1 20022002-07-01info:eu-repo/semantics/reporttext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2002001000009en10.1590/S0066-782X2002001000009
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language English
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author Teixeira,Ricardo Alkmim
Martinelli Filho,Martino
Benvenuti,Luiz Alberto
Costa,Roberto
Pedrosa,Anísio A.
Nishióka,Silvana A. D.
spellingShingle Teixeira,Ricardo Alkmim
Martinelli Filho,Martino
Benvenuti,Luiz Alberto
Costa,Roberto
Pedrosa,Anísio A.
Nishióka,Silvana A. D.
Cardiac Damage from Chronic Use of Chloroquine: A Case Report and Review of the Literature
author_facet Teixeira,Ricardo Alkmim
Martinelli Filho,Martino
Benvenuti,Luiz Alberto
Costa,Roberto
Pedrosa,Anísio A.
Nishióka,Silvana A. D.
author_sort Teixeira,Ricardo Alkmim
title Cardiac Damage from Chronic Use of Chloroquine: A Case Report and Review of the Literature
title_short Cardiac Damage from Chronic Use of Chloroquine: A Case Report and Review of the Literature
title_full Cardiac Damage from Chronic Use of Chloroquine: A Case Report and Review of the Literature
title_fullStr Cardiac Damage from Chronic Use of Chloroquine: A Case Report and Review of the Literature
title_full_unstemmed Cardiac Damage from Chronic Use of Chloroquine: A Case Report and Review of the Literature
title_sort cardiac damage from chronic use of chloroquine: a case report and review of the literature
description Chloroquine has been widely used in rheumatological treatment, but potential severe side effects require careful follow-up. Cardiac damage is not a common consequence, but its clinical relevance has not yet been described. We report the case of a 58-year-old woman with rheumatoid arthritis, in whom chronic chloroquine use resulted in major irreversible cardiac damage. She presented with syncopal episodes due to complete atrioventricular block confirmed by electrophysiological study whose changes were concluded to be irreversible and a permanent pacemaker was indicated. Endomyocardial biopsy was also performed to search for histopathological and ultrastructural cardiac damage. We also reviewed the 22 cases of chloroquine-induced cardiopathy described to date as well as its pathophysiology.
publisher Sociedade Brasileira de Cardiologia - SBC
publishDate 2002
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2002001000009
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