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Intraluminal septation of the basilar artery: incidence and potential clinical significance

R S Tubbs1, W A Shaffer, M Loukas

  • 1Department of Surgery, Division of Neurosurgery, University of Alabama at Birmingham, AL, USA. rstubbs@uab.edu

Folia Morphologica
|October 2, 2008
PubMed

Insights

A rare intraluminal septum variation in the basilar artery was found in 0.67% of cadavers. This finding is crucial for understanding cerebrovascular anatomy during surgical procedures.

Area of Science:

  • Neurology
  • Vascular Anatomy
  • Surgical Anatomy

Background:

  • Cerebrovascular variations can complicate surgical and interventional procedures.
  • Intraluminal variations of the basilar artery are poorly documented in existing literature.

Purpose of the Study:

  • To investigate the prevalence and characteristics of intraluminal variations within the basilar artery.
  • To enhance understanding of basilar artery anatomy for improved patient safety during neurovascular interventions.

Main Methods:

  • A cadaveric study involving the examination of 150 human brains.
  • Longitudinal sectioning of identified basilar arteries to detect intraluminal septa.

Main Results:

  • One specimen (0.67%) exhibited an intraluminal septum in the proximal basilar artery, measuring 3 mm by 1.5 mm.
  • No other basilar artery anomalies were observed.
  • The single specimen with the septum showed no signs of intracranial pathology.

Conclusions:

  • Intraluminal septation of the basilar artery, though rare, can occur.
  • Awareness of this intraluminal vascular variation is important for neurosurgeons and interventionalists.
  • This anatomical knowledge may help mitigate risks associated with invasive neurovascular procedures.

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