Computed tomography angiography‐guided analysis of morphologic properties of the thoracic aorta and arch branches among the adult population: A cross‐sectional study.

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    • Subject Terms:
      SUBCLAVIAN artery; BRACHIOCEPHALIC trunk; CAROTID artery; THORACIC aorta; PERIPHERAL vascular diseases
    • Abstract:
      Background and Aims: Before performing any surgical or endovascular procedure, the anatomical classification of the patient is essential for treatment planning. Computed Tomographic Angiography (CTA) is a standard method to evaluate thoracic aortic anatomy and associated variations. Methods: This cross‐sectional, descriptive study was performed among adult participants without any peripheral vascular diseases undergoing thoracic CTA. Demographic data were collected along with factors retrieved from the patients CTA, such as the type of aortic arch, length, and diameter of ascending and descending aorta, the diameter of the main branches and the distance between branches, the angles by which the main arteries rise from their origins, and left anterior oblique angle of the aortic arch. Results: 164 patients, with a mean age of 57 ± 19.3 years, entered the study. 53 (33.8%) had a bovine arch, which was mostly observed among males. A decrease in the frequency of type I arch and also an increase in the frequency of type 2 and 3 arches was observed with the increase in age (p < 0.001). The BCT diameter had a direct association with both left common carotid artery diameter (r = 0.478, p < 0.001) and left subclavian artery diameter (r = 0.470, p < 0.001). The length of the descending aorta had a direct correlation (r = 0.294, p < 0.001) with the length of the ascending aorta. Conclusion: Complex endovascular interventions are vital method in treating aorta, head, and neck pathologies. Accurate knowledge of thoracic aortic anatomy is becoming crucial for diagnosis and intervention planning. [ABSTRACT FROM AUTHOR]
    • Abstract:
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