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Introduction and objectives <p>Perindopril-induced thrombocytopenia is a rare but potentially serious adverse drug reaction. It remains underrecognized in clinical practice, particularly in elderly patients with cardiovascular disease. This case highlights the importance of timely diagnosis and intervention in drug-induced hematologic complications.</p> Case report <p>A 73-year-old woman with a history of percutaneous coronary intervention presented with unstable angina. During hospitalization, she exhibited an acute and unexplained decline in platelet count a week after the initiation of perindopril. Infectious causes, autoimmune disorders, and bone marrow dysfunction were systematically excluded. A medication review revealed recent perindopril initiation, and its discontinuation led to progressive platelet recovery. The strong temporal relationship confirmed perindopril-induced thrombocytopenia as the likely etiology (Table <InternalRef RefID="Tab1">1</InternalRef>).</p> Discussion <p>The immune-mediated destruction of platelets is proposed as the underlying mechanism, similar to other drug-induced thrombocytopenias. This case underscores the importance of systematic diagnostic evaluation, routine hematologic monitoring, and pharmacovigilance in patients receiving angiotensin-converting enzyme inhibitors. Alternative antihypertensive strategies, such as angiotensin receptor blockers, may be preferable in susceptible individuals.</p> Conclusion <p>Perindopril-induced thrombocytopenia should be considered in patients presenting with unexplained platelet decline. Early recognition, drug discontinuation, and close monitoring are crucial in preventing complications. Further research is needed to refine diagnostic criteria and develop safer prescribing guidelines.</p>

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Pharmacovigilance and clinical insights into perindopril-induced thrombocytopenia: a case report of diagnostic challenges and therapeutic alternatives

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月28日

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  • Mochamad Faishal Riza,
  • Samuel Sudanawidjaja,
  • Ronald Torang Marsahala Panggabean,
  • Isnaini Isnaini,
  • Lely Puspita Candra Dewi,
  • Andrianus Oktovianto,
  • Deo Idarto,
  • Vincent Aurelius Gonaldy,
  • Alamanda Sofania,
  • Marselina Marselina

摘要

Introduction and objectives

Perindopril-induced thrombocytopenia is a rare but potentially serious adverse drug reaction. It remains underrecognized in clinical practice, particularly in elderly patients with cardiovascular disease. This case highlights the importance of timely diagnosis and intervention in drug-induced hematologic complications.

Case report

A 73-year-old woman with a history of percutaneous coronary intervention presented with unstable angina. During hospitalization, she exhibited an acute and unexplained decline in platelet count a week after the initiation of perindopril. Infectious causes, autoimmune disorders, and bone marrow dysfunction were systematically excluded. A medication review revealed recent perindopril initiation, and its discontinuation led to progressive platelet recovery. The strong temporal relationship confirmed perindopril-induced thrombocytopenia as the likely etiology (Table 1).

Discussion

The immune-mediated destruction of platelets is proposed as the underlying mechanism, similar to other drug-induced thrombocytopenias. This case underscores the importance of systematic diagnostic evaluation, routine hematologic monitoring, and pharmacovigilance in patients receiving angiotensin-converting enzyme inhibitors. Alternative antihypertensive strategies, such as angiotensin receptor blockers, may be preferable in susceptible individuals.

Conclusion

Perindopril-induced thrombocytopenia should be considered in patients presenting with unexplained platelet decline. Early recognition, drug discontinuation, and close monitoring are crucial in preventing complications. Further research is needed to refine diagnostic criteria and develop safer prescribing guidelines.