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Anatomic evaluation of the carotid artery bifurcation in cadavers: implications for open and endovascular therapy

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Abstract

Knowledge of carotid bifurcation (CB), common carotid artery (CCA) and its branches and their recognition during diagnostic imaging are also important for vascular surgical procedures in the region, such as carotid endarterectomy or radical neck dissection, catheterization and aneurysms. The surgical anatomy of the carotid arteries was studied in 20 cadavers. Micrometric values of the CB and its relation with surrounding structures, measurements belonging to the external carotid artery (ECA) and internal carotid artery (ICA), and metric data, such as lower face including the greater horn, laryngeal prominence have been evaluated by making linear measures. The diameter of the CCA at the CB under 2 cm and CB diameter was measured as 8.1 ± 2.24 mm and 12.79 ± 2.87 mm, respectively. Evaluating data related to the ICA and the ECA in samples, the aspect was measured the ICA and the ECA in the CB discrimination point as 21.52 ± 20.53°. In the most location of the ECA origin according to the ICA has been determined as medial position in 35 specimens. The origin of the superior thyroid artery (STA) was found to be at the same level with the CB in 40% and below it in 25% specimens. This study has provided measured objective criteria for the arterial features of the neck region, which are crucial during surgery. The origins of the branches of the CCA act as key landmarks for adequate and appropriate placement of the cross-clamp on the carotid arteries.

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Authors and Affiliations

  1. Department of Anatomy, Faculty of Medicine, Ege University, 35100, Izmir, Turkey

    Zuhal Ozgur, Figen Govsa & Tomris Ozgur

  2. Ataturk Medical Technology Vocational Training School, Ege University, Izmir, Turkey

    Zuhal Ozgur

Authors
  1. Zuhal Ozgur
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  2. Figen Govsa
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  3. Tomris Ozgur
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Correspondence to Figen Govsa.

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Ozgur, Z., Govsa, F. & Ozgur, T. Anatomic evaluation of the carotid artery bifurcation in cadavers: implications for open and endovascular therapy. Surg Radiol Anat 30, 475–480 (2008). https://doi.org/10.1007/s00276-008-0351-4

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  • DOI: https://doi.org/10.1007/s00276-008-0351-4

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