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A Cadaveric Study on the High Origin of the Radial Artery
Shilpa S1, Rani Raphael M1, Rajad R2
1Anatomy, Government T D Medical College, Alappuzha, IND.
Introduction:
Among the upper limb's vascular variations, the radial artery's high origin from the axillary artery is rare, and literature regarding the same is limited. Anomalous origin of radial artery can cause failure of radial approach to coronary angiography and reconstructive surgeries of upper limbs and hence is of clinical significance. With this background, the current cadaveric study was planned to describe the branching pattern of the axillary artery and its variations.
Methods:
We conducted this descriptive, cross-sectional study on sixty adult human cadaveric upper limbs at the anatomy departments of Government TD Medical College, Alappuzha, and Government Medical College, Thiruvananthapuram, over two years from 2021 to 2023. The axillary artery's branching pattern and termination were noted, and the prevalence of high origin of the radial artery from the axillary artery was documented.
Results:
High origin of radial artery from axillary artery was observed in four (6.70%) limbs and was higher than the prevalence reported in earlier literature. Among these variations, one was a female cadaver with a bilateral high origin of radial artery arising from the third part of the axillary artery. The other two were from separate male upper limbs, both from the right upper limb.
Conclusion:
The prevalence of the high origin of the radial artery from the axillary artery was high compared to earlier reported literature. This calls for further research in the anatomy of arterial patterns of the upper limb to avoid complications during arterial procedures of the upper limb.
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