AI Article Synopsis
- The basilar artery (BA) is formed by the fusion of the vertebral arteries and splits into posterior cerebral arteries; this study aimed to provide a baseline database on BA’s length, diameter, and levels of origin and termination.
- Thirty-eight formalin-fixed brains were studied, measuring BA's external length (25.58 mm) and diameter (3.05 mm) using a digital Vernier caliper, while observing variations in its origin and termination.
- Findings showed no gender differences in BA dimensions, and the established data will assist neurosurgeons and interventional radiologists in vascular procedures like shunting for treating aneurysms and stenosis.
Article Abstract
Introduction: The basilar artery (BA) is formed by the fusion of right and left vertebral arteries and divides to form right and left posterior cerebral arteries. This study was done to provide a baseline database regarding length, mid-length diameter, level of origin, and level of termination of BA.
Materials And Methods: Thirty-eight formalin-fixed brains were obtained from cadavers dissected for undergraduate studies. The external length and the average external diameter of BA were measured by a digital Vernier caliper. Variation in origin and termination of BA was noted using magnifying glass.
Results: The length and diameter of the BA were 25.58 ± 3.57 mm and 3.05 ± 0.41 mm, respectively. The origin and termination of BA was normal in most cases. In two cases, the origin was above the pontomedullary junction, and in one case, it was below. In two cases, the termination was above the pontomesencephalic junction, and in one case, it was below.
Conclusion: There was no gender predisposition in length and diameter of the basilar artery. The baseline data established in this study regarding length, diameter, level of origin and level of termination of basilar artery will help neurosurgeons and interventional radiologists to diagnose as well as plan and execute various vascular procedures such as shunting for the treatment of aneurysms and stenosis in the blood vessels of the posterior cranial fossa.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6159053 | PMC |
| http://dx.doi.org/10.4103/ajns.AJNS_321_16 | DOI Listing |
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