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Updated: Jan 23, 2026
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Three-Dimensional Printing of a Complex Aortic Anomaly
Published on: November 1, 2018
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Four patients with a clinically significant radial artery anomaly
Nasim Babazadeh1, Shannon Zielsdorf1, Lauren Williams1
1Department of Surgery, John H. Stroger Hospital of Cook County, Chicago, Ill.
Summary
The superficial radial artery is a rare anatomical variation (0.5-1% incidence). This variant can lead to digital ischemia after catheterization or be useful for hemodialysis fistulas.
Area of Science:
- Vascular anatomy
- Anatomical variations
- Surgical anatomy
Background:
- The superficial radial artery is an uncommon anatomical variant.
- It is defined by the radial artery passing superficial to the tendons of the anatomical snuffbox.
- Cadaver studies report an incidence ranging from 0.5% to 1%.
Observation:
- Four patients with this anatomical variation were identified in clinical practice.
- One patient experienced digital ischemia following catheter placement in the anomalous superficial radial artery.
- Three patients with end-stage renal disease were incidentally found to have this variant.
Findings:
- The superficial radial artery can pose risks for vascular interventions.
- This anatomical variant was successfully utilized as an inflow source for creating hemodialysis fistulas in patients with end-stage renal disease.
- Clinical presentation varies, ranging from iatrogenic complications to incidental findings.
Implications:
- Awareness of the superficial radial artery is crucial for interventional radiologists and surgeons to prevent complications.
- This variant presents a potential opportunity for vascular access in hemodialysis patients.
- Further studies are warranted to fully understand the clinical significance and management of this anatomical variation.
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