Abstract
We studied the patterns of dominance in the palmar digital arteries of the fingers in 39 fresh cadaver arms which had been injected with coloured latex solution. We also performed photoplethysmographic studies in 20 hands. The ulnar digital artery in the index finger and the radial digital artery of the little finger were usually dominant, and their counterparts were slim and often hypoplastic. The findings are relevant to digit revascularization and might influence the planning of digital island-flaps or toe transfers.
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