Propylthiouracil-Induced Antineutrophil Cytoplasmic Antibodies-Associated Vasculitis with Renal and Lung Involvement

Wong, Albert Hing and Wong, Wei-Kei and Looi, Lai-Meng and Ratnasingam, Jeyakantha and Lim, Soo-Kun (2022) Propylthiouracil-Induced Antineutrophil Cytoplasmic Antibodies-Associated Vasculitis with Renal and Lung Involvement. Case Reports in Nephrology and Dialysis, 12 (2). 105 – 111.

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Abstract

Propylthiouracil (PTU)-induced antineutrophil cytoplasmic antibodies (ANCA)-associated vasculitis (AAV) is a rare and heterogeneous disease. Moreover, optimal treatment is still lacking. We described the case of a 44-year-old lady with underlying Graves' disease who had cough, blood-streaked sputum, and impaired renal function. A strongly positive anti-myeloperoxidase antibody (>200 U/mL) along with pauci-immune glomerulonephritis and pulmonary hemorrhage resulted in the diagnosis of PTU-induced AAV, given that the patient had been on PTU for 3 years. PTU withdrawal, therapeutic plasma exchanges, and oral cyclophosphamide provided favorable clinical and biochemical outcomes. She remained well on azathioprine 50 mg daily as maintenance therapy and clinically euthyroid with carbimazole 2.5 mg daily. The effective treatment for drug-induced ANCA vasculitis remains controversial, but rapid withdrawal of the offending medication should be the mainstay of treatment. In severe drug-induced ANCA vasculitis with pulmonary hemorrhage and/or life-threatening organ involvement such as kidney failure requiring dialysis, therapeutic plasma exchange with immunosuppressants is often required. In this case, we have shown that patient achieved remission after therapeutic plasma exchange with cyclophosphamide in the acute stage of treatment and remained symptom-free with azathioprine in the maintenance phase of treatment for 24 months. © 2022 The Author(s).

Item Type: Article
Funders: UNSPECIFIED
Additional Information: Cited by: 0; All Open Access, Gold Open Access, Green Open Access
Uncontrolled Keywords: azathioprine; carbimazole; creatinine; cyclophosphamide; fresh frozen plasma; liotrix; methylprednisolone; prednisolone; propylthiouracil; radioactive iodine; rituximab; thyrotropin receptor; ablation therapy; abnormal respiratory sound; acute kidney failure; adult; ANCA associated vasculitis; Article; body weight loss; bronchial aspiration procedure; case report; clinical article; computer assisted tomography; coughing; creatinine blood level; drug substitution; drug withdrawal; dyspnea; exophthalmos; female; fever; follow up; glomerulitis; goiter; Graves disease; hemoptysis; hemosiderin laden macrophage; hospital admission; human; immune complex nephritis; kidney biopsy; kidney function; loss of appetite; lung auscultation; lung disease; lung hemorrhage; maintenance therapy; medical history; Mycobacterium tuberculosis; night sweat; plasma exchange; plasma volume; private hospital; proliferative glomerulonephritis; protein creatinine ratio; thyroid function; thyroidectomy; urinalysis; urine sediment
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 24 Oct 2023 02:56
Last Modified: 24 Oct 2023 02:56
URI: http://eprints.um.edu.my/id/eprint/43734

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