What is the clinical evidence from this study?

Study design: Review. Population: Thoracic aortic atherosclerosis. Intervention: Thoracic aortic atherosclerosis.

What question did this study set out to answer?

To review the clinical and pathologic evidence establishing thoracic aortic atherosclerosis as a significant embolic source and evaluate diagnostic and therapeutic strategies.

August 29, 2026Journal of the American College of CardiologyOpen Access

Atheromas of the thoracic aorta: clinical and therapeutic update

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Key result

Thoracic aortic atherosclerosis carries up to ~33% risk of stroke or peripheral embolism.

Why the study?

Atherosclerotic lesions of the thoracic aorta are an important cause of stroke and peripheral embolization, but effective and safe treatment strategies lack prospective, randomized data.

Key Points

To review the clinical and pathologic evidence establishing thoracic aortic atherosclerosis as a significant embolic source and evaluate diagnostic and therapeutic strategies.
Review of clinical evidence evaluating diagnostic modalities including transesophageal echocardiography, computed tomography, magnetic resonance imaging, and intraoperative epiaortic ultrasound.
Evaluation of embolic risk factors, intraoperative surgical risks during cardiopulmonary bypass, and nonrandomized anticoagulant intervention outcomes.
Aortic atheromas occur in approximately 27% of patients with previous embolic events, with plaque thickness ≥4 mm and superimposed thrombi marking elevated embolic risk.
Patients face substantial embolic recurrence, with 12% experiencing recurrent stroke within approximately one year and up to 33% experiencing stroke or peripheral embolus.
In cardiac surgery requiring cardiopulmonary bypass, transesophageal echocardiography-detected aortic arch atheromas associate with a 12% intraoperative stroke rate (six times baseline).

Structured PICO

Population

Patients with atheromas of the thoracic aorta

Limitations

Lack of prospective, randomized data for treatment strategies

Discussion

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Implication

Thoracic aortic atheromas are a significant source of stroke and peripheral embolization, highlighting the need for prospective randomized trials to determine effective treatment strategies.

Cite This Study

Tunick et al. (2000) conducted a review in Thoracic aortic atherosclerosis. Thoracic aortic atherosclerosis was evaluated. Thoracic aortic atherosclerosis is an important embolic source, with up to 33% of patients experiencing a stroke or peripheral embolus and a 12% risk of recurrent stroke within one year.

synapsesocial.com/papers/6a92f85a99ad5b8230a67ea2 https://doi.org/10.1016/s0735-1097(99)00604-x

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Implication

Thoracic aortic atheromas are a significant source of stroke and peripheral embolization, highlighting the need for prospective randomized trials to determine effective treatment strategies.

Atheromas of the thoracic aorta: clinical and therapeutic update

Key Points

Structured PICO

Limitations

Discussion

Implication

Cite This Study

Atheromas of the thoracic aorta: clinical and therapeutic update

Key Points

Structured PICO

Limitations

Discussion

Implication

Cite This Study

Also Consider

Also Consider