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Review Case Reports
Anagrelide-associated Cardiomyopathy and Heart Failure in a Patient with Essential Thrombocythemia: A Case Report and Literature Review.
- Masafumi Sugawara, Sho Okada, Masato Kanda, Tohru Iseki, Emiko Sakaida, and Yoshio Kobayashi.
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Japan.
- Intern. Med. 2022 Nov 1; 61 (21): 329332993293-3299.
AbstractAnagrelide is used worldwide to treat essential thrombocythemia (ET) by reducing platelet counts. Cardiomyopathy and heart failure (HF) are rare but serious complications associated with anagrelide use, although no cases were reported during Japanese Phase I to III studies. A 46-year-old, otherwise healthy, Japanese ET patient developed HF with reduced ejection fraction after 18 months of treatment with 1.0-3.5 mg of anagrelide daily. HF was stabilized with anagrelide withdrawal and guideline-directed HF therapy. The cardiac function returned to normal after six months. This case suggests that anagrelide can cause cardiomyopathy and HF in ET patients, regardless of nationality, comorbid cardiovascular conditions, or therapy duration.
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