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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8108741PMC
http://dx.doi.org/10.1111/jch.12020DOI Listing

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Systemic lupus erythematosus (SLE) is a chronic autoimmune disorder characterized by the production of autoantibodies directed against nuclear and cytoplasmic antigens. SLE can be induced by various medications, such as hydralazine, procainamide, isoniazid, methyldopa, chlorpromazine, quinidine, and minocycline. Hydralazine-induced lupus syndrome was first reported in 1953, and only occurs in 5-10% of patients taking hydralazine.

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Article Synopsis
  • Hydralazine has been used for many years to treat high blood pressure, but it can cause serious side effects, including autoimmune diseases like ANCA-vasculitis and a lupus-like syndrome.
  • The text discusses four cases of vasculitis linked to hydralazine, showing varying symptoms like lung hemorrhage, coughing up blood, and skin rashes.
  • Diagnosing these conditions can be challenging, often requiring kidney biopsy, and the treatment involves stopping hydralazine and using immunosuppressants; caution is advised in using hydralazine over other blood pressure medications.
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Objective: In this study, we investigated the in vivo ameliorative effects of vitamin E in a hydralazine-induced lupus model, which closely resembles SLE in humans. We aim to shed light on its potential as a therapeutic agent for managing SLE.

Methods: Forty BALB/c mice were used in this study.

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Drug-induced lupus (DIL) usually presents after starting a medication known to induce DIL. However unusual presentations are rare, as such, our patient presented with initial signs and symptoms of pericarditis. Once treated as such, he progressively declined to symptoms of angioedema and worsening cardiopulmonary status.

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Hydralazine is a vasodilator used for the management of hypertension, heart failure, and hypertensive emergencies in pregnancy. It has been implicated in the causation of drug-induced lupus erythematosus (DLE) and rarely with ANCA-associated vasculitis (AAV), which may present as a pulmonary-renal syndrome and be rapidly fatal. Herein, we describe a case of hydralazine-associated AAV presenting as acute kidney injury with the use of early bronchoalveolar lavage (BAL) with serial aliquots to aid with diagnosis.

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