Aortic coarctation revealed by subarachnoid hemorrhage in a 17-year-old patient: A rare association with multiple basilar trunk aneurysms.

Authors

Chakir Mahfoud, Loubna Messari, Abdelqader Sqalli Houssaini, Retal Hamza, Kettani Najwa, Fikri Meriem, Touarsa Firdaous

Published in

Radiology case reports. Volume 21. Issue 12. Pages 6281-6285. Epub Sep 24, 2026.

Abstract

Aortic coarctation is a common congenital cardiovascular anomaly, usually located at the aortic isthmus. It is associated with an increased risk of intracranial aneurysms, which may rupture and lead to subarachnoid hemorrhage (SAH), particularly in the setting of long-standing proximal arterial hypertension. We present the case of a 17-year-old adolescent who was admitted with severe SAH (modified Fisher grade IV) secondary to a ruptured basilar trunk aneurysm, which was treated by endovascular coil embolization. Post-embolization investigations revealed severe arterial hypertension, prompting further vascular imaging. Thoracic computer tomography angiography showed a tight stenosis of the descending thoracic aorta consistent with postductal coarctation, with extensive collateral circulation. This case underscores the importance of considering aortic coarctation in young patients presenting with intracranial aneurysm or SAH and highlights the pivotal role of cross-sectional imaging in the diagnostic workup.

PMID:
42831135
Bibliographic data and abstract were imported from PubMed on 05 Oct 2026.

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