Variation of the Dorsalis Pedia Artery

NewsBot · May 11, 2018

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Anatomical variation of the Dorsalis pedis artery in a South African population – A Cadaveric Study
S. Ntuli et al
The Foot; Volume 35, June 2018, Pages 16–27

Highlights
•Documenting dorsalis pedis artery variations based on population background.
•Documenting dorsalis pedis artery pattern variations that were gender based.
•Empirical evidence of dorsalis pedis artery variations within South African population.
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Background
The dorsalis pedis artery is responsible for blood supply to the dorsal aspect of the foot and is vital in the clinical assessment of the arterial supply thereof. Clinical assessment should consider anatomical variations of dorsalis pedis artery. Clearly, a thorough understanding of the potential variations of the vasculature in the area is important for a precise clinical assessment of arterial supply to the foot. The aim of this study was to investigate the different branching patterns of the dorsalis pedis artery that exist in a South African population.

Methods
A Cadaveric study in which a total of 33 dissected lower limbs (27 adult cadavers and 6 partial wet lower limb specimens) of a South African population sample were studied. The course and branching pattern of the dorsalis pedis artery were photographed and documented.

Results
Nine variations of the dorsalis pedis artery were recorded, with the standard branching pattern being the most common with an incidence of 36.36% and a completely absent dorsalis pedis artery variation was noted in 6.06% of the sample.

Conclusion
Nine variations of the arterial anatomy of the dorsalis pedis artery were identified in this current study. Each of these may possibly alter the location or strength of the dorsalis pedis pulse affecting clinical assessment outcomes. Knowledge of dorsalis pedis variations may be useful to clinicians when making clinical decisions.
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NewsBot · Mar 21, 2022

Implications of Dorsalis Pedis Artery Anatomical Variants for Dorsal Midfoot Surgery
Ichiro Tonogai et al
Foot Ankle Int. 2022 Mar 17

Background: The dorsalis pedis artery (DPA) usually branches into the arcuate artery (AA) from its lateral side which in turn crosses the bases of the lateral four metatarsals. The DPA then passes into the first interosseous space, where it divides into the first metatarsal artery and the deep plantar artery. In this study, we aimed to determine the extent of variation in the DPA and the distance between the AA and the tarsometatarsal (TMT) joint with the aim of reducing the risk of vascular complications arising from dorsal midfoot surgery.

Methods: In 29 fresh cadaveric feet, we examined the course of the DPA and the distance between the AA and the TMT joint on computed tomography images with barium sulfate contrast.

Results: The DPA was observed to have a standard course in 11 of the 29 cases (37.9%) but did not give rise to the AA and lateral tarsal artery or branches of the plantar arterial arch supplying to the second to fourth metatarsal spaces in 10 of 29 cases (34.5%). The mean closest distance from the TMT joint to the AA at the second, third, and fourth metatarsal level in the sagittal plane was 11.4, 14.6, and 17.1 mm, respectively.

Conclusion: We found substantial variation in the arterial anatomy of the DPA system across the dorsal midfoot.

Clinical relevance: The risk of pseudoaneurysm and frank arterial disruption may be mitigated if the surgeon is aware of the variations of the course of the DPA when performing dorsal midfoot surgery.
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