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Morphometry of the aortic arch and its branches. A computed tomography angiography-based study
M Tapia-Nañez1, G A Landeros-Garcia1, M A Sada-Treviño2
1Human Anatomy Department, School of Medicine, Universidad Autónoma de Nuevo León, Mexico.
Variations in the aortic arch branching pattern are common in the Mexican population. Understanding these anatomical differences is crucial for accurate patient assessment and diagnosis.
Area of Science:
- Anatomical variations
- Medical imaging
- Cardiovascular research
Background:
- Aortic arch variations are increasingly recognized.
- Computed tomography angiography (CTA) is a key imaging modality.
- Prevalence and morphometric analysis are essential.
Purpose of the Study:
- Determine the prevalence of aortic arch variations.
- Analyze morphometric characteristics.
- Investigate gender correlations in a Mexican population.
Main Methods:
- Retrospective analysis of 220 CTA scans.
- Detailed recording of branching patterns and arterial paths.
- Stratification of results by gender.
Main Results:
- Atypical aortic arch branching patterns found in 22.3% of cases.
- Common variations include two-branch patterns and added left vertebral arteries.
- Significant gender differences observed in middle and distal aortic arch dimensions.
Conclusions:
- The Mexican population exhibits a high prevalence of aortic arch variations.
- Awareness of these variations is critical for clinical assessment.
- A standardized classification system is needed to avoid confusion.
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