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Digital artery diameters: an anatomic and clinical study.
B M Leslie1, L K Ruby, S J Madell
1Tufts New England Medical Center, Boston, Mass.
The Journal of Hand Surgery
|September 1, 1987
Summary
This study identified dominant digital arteries in fingers using arteriograms and specimens. Understanding vessel size and location is crucial for successful digit reimplantation and revascularization procedures.
Area of Science:
- Vascular anatomy
- Hand surgery
- Medical imaging
Background:
- Digital artery anatomy is critical for reconstructive surgery.
- Variations in digital artery dominance can impact surgical outcomes.
- Accurate anatomical knowledge aids in reimplantation and revascularization.
Purpose of the Study:
- To determine the dominant digital artery in each finger.
- To identify the typical location of the larger digital artery.
- To provide anatomical data relevant to digital revascularization.
Main Methods:
- Arterial diameter measurement on normal arteriograms (n=10).
- Vessel diameter assessment on amputated finger specimens (n=6).
- Analysis of vessel location relative to finger borders.
Main Results:
- The larger digital artery was typically located on the ulnar border of the index and long fingers.
- The dominant vessel was usually on the radial border of the ring and small fingers.
- Hagen-Poiseuille equation suggests larger vessels have greater blood flow.
Conclusions:
- Dominant digital arteries exhibit consistent location patterns by finger.
- This anatomical understanding is vital for successful digit reimplantation.
- Knowledge of digital artery dominance aids in revascularization strategies.