• E Caliskan and D Oncel.
• Department of Radiology, Kartal Dr. Lutfi Kirdar Education and Research Hospital, İstanbul, Turkey.
• Niger J Clin Pract. 2021 Jun 1; 24 (6): 833-840.

AimsTo investigate the distribution, characteristics, and association with subarachnoid hemorrhage (SAH) of aneurysms identified in Turkish adult patients with computed tomography angiography (CTA) performed with suspicion of intracranial aneurysms and/or SAH.Subjects And MethodsA total of 356 patients (164 male, and 192 female) with a mean age of 55.6 ± 4.0 (range, 18-90) years were analyzed retrospectively. The dimension in millimeters, localization, type, and multiplicity of aneurysms were noted. The differences in these parameters between females and males were investigated. The correlations of sex, aneurysm size, multiplicity, and size with SAH were researched.ResultsOn 356 CTA, 140 cases were identified to have aneurysm (39.3%) (56 males [40.0%], 84 females [60.0%]). The incidence of aneurysms and SAH in females was high relative to males. In 140 patients, a total of 187 aneurysms were present (mean size, 7.25 ± 2.56 mm). The highest number of aneurysms was found in the middle cerebral artery 64 (34.2%) while the least was in posterior circulation 20 (10.7%). There was no significant difference between genders in terms of aneurysm size, type, and multiplicity. Individuals with aneurysm site on the internal carotid artery had lower SAH incidence. Receiver Operating Characteristic curve analysis results determined that individuals with aneurysm size >13.5 mm had increased incidence of SAH.ConclusionsThe general properties of intracranial aneurysms investigated with CTA in Turkish adults had similarities to information defined in the literature. These results will likely be beneficial to direct approaches to aneurysm diagnosis and treatment in routine practice.

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