Acute pulmonary embolism (APE) is a cardiovascular disease with severe consequences, wherein cardiac troponin (Tn) plays a pivotal role in diagnosis and treatment.

This article reviews the various roles of Tn in managing APE. It looks at how Tn levels increase, their importance in predicting outcomes, and their use in making clinical decisions. Studies indicate that an elevation in Tn is primarily associated with right ventricular overload, ischemia, and necrosis, changes that directly reflect the extent of right ventricular dysfunction and myocardial injury.

Elevated levels of Tn are significantly correlated with both short-term and long-term mortality risks in patients with APE, serving as crucial indicators for prognostic assessment and guiding therapeutic strategies.

International guidelines recommend integrating Tn testing with clinical scoring and echocardiography to optimize treatment decisions in patients with APE.

Despite the significant value of Tn determination in the management of APE, further research is needed to standardize its application.

This paper emphasizes future research directions, including exploring the application of Tn in different patient subgroups with APE and its potential combined use with other biomarkers.

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