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Popliteal artery branching patterns -- an angiographic study.

C P Day¹, R Orme

¹Department of Radiology, Royal Shrewsbury Hospital, Shrewsbury, UK. chris.laura2001@ntlworld.com

Clinical Radiology

|July 18, 2006

Summary

Popliteal artery branching variations occur in about 10% of patients. Understanding these anatomical differences is crucial for managing peripheral vascular disease effectively.

Area of Science:

Vascular anatomy
Medical imaging
Angiography

Background:

The popliteal artery and its infrapopliteal branches are critical for lower limb perfusion.
Anatomical variations in these vessels can impact surgical planning and treatment of peripheral vascular disease.

Purpose of the Study:

To analyze the prevalence and types of variations in the branching patterns of the popliteal artery and infrapopliteal vessels.
To highlight the clinical significance of these anatomical variations.

Main Methods:

Retrospective analysis of femoral angiograms from 1037 lower limbs (568 patients).
Assessment of popliteal artery branching patterns and infrapopliteal vessel variations in a subset of 662 limbs.

Main Results:

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A normal branching pattern was observed in 90.7% of limbs.
Variations in popliteal branching occurred in 9.3% of limbs, with common variations including high origin of the anterior tibial artery (4.5%) and trifurcation of the popliteal artery (3.2%).
Infrapopliteal vessels were normal in 99% of limbs, with rare instances of hypoplasia-aplasia (1%).

Conclusions:

Anatomical variations of the popliteal artery branching occur in approximately 10% of individuals.
Awareness of these variations is essential for clinicians managing patients with peripheral vascular disease to optimize treatment strategies.