Hydroxychloroquine-induced cardiomyopathy accelerated after gastric banding.

Lancet

University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital, Edgbaston, Birmingham, UK; Institute of Cardiovascular Sciences, University of Birmingham, Edgbaston, Birmingham, UK.

Published: November 2021

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http://dx.doi.org/10.1016/S0140-6736(21)02177-2DOI Listing

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Article Synopsis
  • Hydroxychloroquine (HCQ) is used to treat diseases like systemic lupus erythematosus but can lead to adverse effects after long-term use, including heart issues.
  • A case involved a 45-year-old woman who developed acute heart failure due to HCQ-induced cardiomyopathy, leading to structural heart changes despite stopping the medication.
  • The importance of early diagnosis is highlighted, as stopping the drug can halt disease progression, but existing heart damage may remain.
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Article Synopsis
  • Hydroxychloroquine (HCQ) is a medication often used to treat autoimmune diseases such as lupus, rheumatoid arthritis, and Sjogren's syndrome due to its ability to modulate the immune system.
  • While generally safe and effective, HCQ can have serious side effects, including retinopathy and, in rare cases, cardiomyopathy.
  • This report highlights two cases of phospholipidosis (a type of fat accumulation in cells) linked to HCQ, suggesting that it should be considered as a potential cause in patients experiencing ongoing proteinuria (protein in urine).
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Hydroxychloroquine (HCQ) induced cardiotoxicity is a rare diagnosis and is often associated with chronic use of the medication. It has been shown that chronic HCQ use is associated with a drug-induced cardiomyopathy mainly driven by acquired lysosomal storage defects leading to hypertrophy and conduction abnormalities. As the only proven treatment is the discontinuation of the offending agent, prompt recognition is required to avoid further exposure to the drug and potential progression of disease.

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Background: Long exposure to Hydroxychloroquine (HCQ) has been complicated by some dangerous though infrequent cardiotoxicity.

Methods: A total of 40 normal adult male albino rats dispersed into 4 groups were used. Group 1 (Control group), Group II (HCQ treated group), Group III (zinc [Zn]-treated group), and Group IV (HCQ and Zn treated group).

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