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Abstract - Original Article

J Cerebrovasc Endovasc Neurosurg. 2020 22(3): 127-133
The Journal of Cerebrovascular and Endovascular Neurosurgery
Clinical analysis of young adult patients with ruptured intracranial aneurysms: a single-center study of 113 consecutive patients
Won Jae Lee, Mi Kyung Kim, Yong Cheol Lim
Department of Neurosurgery, Ajou School of Medicine, Ajou University Hospital, Suwon, Korea

Objective: Intracranial aneurysm most frequently occurs in old aged patients; however, aneurysmal subarachnoid hemorrhage (SAH) has been occasionally reported in young adults. This study aimed to compare patients with intracranial aneurysms younger than 40 years with those 40 years and investigates the characteristics of their ruptured aneurysm. Methods: We retrospectively collected the data of 389 patients (103 patients aged 20 to 39 years; 286 patients aged above 40 years) who were treated for ruptured cerebral aneurysms between January 2008 and December 2018 at our institution. Results: The young adult patients were more often men and were smokers as compared to controls (63.1% vs. 39.2%, 40.5% vs. 36.0%, respectively). The young adult patients showed a tendency for lower Hunt and Hess grade, modified Fisher grade, less postoperative morbidity, and better clinical outcome. Aneurysm ruptures occurred most frequently in the anterior cerebral artery in both groups, but aneurysms ruptures in the internal carotid artery and posterior circulation was infrequent among young adult patients. The aneurysms in young adult patients were more often elongated or irregularly shaped (82.5% vs. 64.0%, respectively) and were significantly smaller (5.9 mm) than that in controls (6.8 mm). Conclusions: Ruptured aneurysms of young adult patients have unique characteristics with regard to its preponderance in male smoker, elongated or irregular shape and relatively smaller size.
Key words : Adult, Aneurysm, Ruptured intracranial aneurysm, Subarachnoid hemorrhage

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