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 ORIGINAL ARTICLE
Year : 2022  |  Volume : 70  |  Issue : 2  |  Page : 579--583

Reconsidering the Relationship Between Hand Preference and Cerebral Vascular Dominance: A Computed Tomography (CT) Angiography Study


1 Department of Neurology, SBU Sultan Abdulhamid Han Research and Training Hospital, Istanbul, Turkey
2 Department of Neurology, Sancaktepe Sehit Profesor Ilhan Varank Research and Training Hospital, Istanbul, Turkey
3 Department of Radiology, SBU Sultan Abdulhamid Han Research and Training Hospital, Istanbul, Turkey
4 Department of Radiology, Cerrahpasa Medical Faculty, Istanbul University, Istanbul, Turkey

Correspondence Address:
Dr. Nazlı Gamze Bulbul
Sultan Abdulhamid Han Research and Training Hospital, 34668, Uskudar, Istanbul
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.344677

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Background: To date, it has been suggested that there may be many genetic, environmental, and vascular factors that affect hand preference. In previous studies evaluating the relationship between cerebral dominance and hand preference, carotid and vertebral artery (VA) Doppler ultrasonography (USG) was generally preferred; and these studies only measured VA diameters. Unlike other studies, we aimed to reevaluate the relationship between hand preference and cerebral vascular dominance by measuring VA and internal carotid artery (ICA) diameters. In addition, we used carotid and VA computed tomography (CT) angiography instead of Doppler USG. Methods and Material: A total of 345 participants were included in the study. The results of carotid and VA CT angiography taken during hospitalization were retrospectively evaluated by two radiologists, and the Edinburgh Hand Preference Questionnaire was applied to these patients. Results: In right-handed patients, the diameter of the left VA was significantly larger than the diameter of the right VA (p = 0.005). In left-handed patients, the diameter of the left ICA was larger than the diameter of the right ICA, but the difference was not statistically significant (p = 0.055). There was no significant difference between the diameter of the right and left ICA in right-handed patients (p = 0.771). Conclusions: In our study, we found a correlation between the dominant hemisphere VA diameter and hand preference. Using CT angiography, we were able to eliminate many challenges of ultrasonography that make radiological evaluation difficult, such as differences of opinion between radiologists, and technical and anatomical reasons.






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