A patient with triple-negative breast cancer developed acute myocardial infarction after docetaxel chemotherapy: case report and literature review - Summary - MDSpire

A patient with triple-negative breast cancer developed acute myocardial infarction after docetaxel chemotherapy: case report and literature review

  • By

  • Fangqin Tong

  • Zhipeng Fan

  • Huiling Huang

  • Chen Chen

  • Jingzhou Xiang

  • Na Li

  • Min Xia

  • Lei Li

  • May 29, 2026

  • 0 min

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Objective:

To report a rare case of acute ST-segment elevation myocardial infarction induced by docetaxel in a patient with triple-negative breast cancer and to review relevant literature.

Key Findings:
  • Docetaxel can induce acute myocardial infarction, which is rare and potentially fatal, emphasizing the need for vigilance.
  • The patient had no prior cardiovascular risk factors and was classified as low-risk for cardiotoxicity, challenging existing assumptions.
  • Coronary angiography revealed severe occlusions in multiple coronary arteries, underscoring the need for further investigation into docetaxel's cardiotoxic effects.
Interpretation:

The study suggests that docetaxel may directly cause acute myocardial infarction through mechanisms such as coronary vasospasm, endothelial dysfunction, or prothrombotic effects, although the exact pathway is unclear and warrants further research.

Limitations:
  • The case report is based on a single patient experience, which may not be generalizable.
  • The exact mechanism of docetaxel-induced myocardial infarction remains undetermined, and potential biases in single case reports should be acknowledged.
Conclusion:

This case highlights the need for awareness of the potential cardiotoxic effects of docetaxel, even in patients assessed as low-risk, and emphasizes the importance of monitoring all patients for cardiotoxicity.

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