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Normal morphometry of the thoracic aorta in the german shepherd dog: a computed tomographic study
1Adnan Menderes Universitesi, Veteriner Fakültesi, Anatomi Anabilim Dali, Iskli, Aydin, Turkey. dabanf@yahoo.com
Anatomia, Histologia, Embryologia
|May 31, 2007
Summary
This study measured the thoracic aorta morphometry in German Shepherd dogs using CT scans. Results revealed significant differences in aortic dimensions and shape between sexes, with females generally having larger aortas.
Area of Science:
- Veterinary Anatomy
- Comparative Morphology
- Diagnostic Imaging
Background:
- The thoracic aorta's morphometry is crucial for understanding cardiovascular health in canines.
- Limited data exists on the detailed morphometric analysis of the thoracic aorta in German Shepherd dogs.
Purpose of the Study:
- To determine the morphometry of the thoracic aorta in German Shepherd dogs.
- To compare aortic dimensions and shape between male and female dogs.
- To identify variations in aortic measurements across different thoracic vertebral levels.
Main Methods:
- Computed tomographic (CT) imaging of the thoracic aorta in 14 German Shepherd dogs.
- Measurements of transverse and dorsoventral diameters and cross-sectional area at intervertebral and mid-vertebral levels (T5-T13).
- Statistical analysis to compare measurements between sexes and vertebral levels.
Main Results:
- The widest transverse diameter was observed at T4-5, the largest dorsoventral diameter at T5, and the maximum cross-sectional area at T4-5.
- Aortic diameters were smaller in males than in females.
- Thoracic aorta shape varied, being predominantly transversely oval in females and longitudinally oval in males.
- Significant differences (P < 0.001) were found in all measured parameters across vertebral levels and between sexes.
Conclusions:
- Thoracic aorta morphometry in German Shepherd dogs exhibits significant variation based on vertebral level and sex.
- Sex-based differences in aortic diameter and shape highlight potential anatomical distinctions.
- These findings provide essential reference data for veterinary diagnostics and research involving German Shepherd dogs.
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