• Injury · Dec 2023

    Anatomic pattern of perforator arteries from proper digital arteries in human triphalangeal digits.

    • Fernando Navío-Fernández, Fernando Corella, Montserrat Ocampos, Esther Pastor-Fernández, and Teresa Vázquez.
    • Orthopaedic and Trauma Department, Hospital Francesc de Borja, Av. de la Medicina 6, Gandía, 46702, Valencia, Spain.
    • Injury. 2023 Dec 1; 54 Suppl 7: 111062111062.

    IntroductionThe localization of the perforator artery for the performance of digital artery perforator (DAP) flaps poses a challenge. This study aims to describe the anatomical pattern of the perforator arteries originating from the proper digital artery in fresh cadaveric triphalangeal digits and to use this pattern as a point of reference for performing these flaps.Material And MethodWe performed a descriptive anatomical study on 28 fresh cadaveric hands (14 male, 14 female; 10 right hands, 18 left hands) after injecting the arterial system with latex. Digital photographs were taken of each specimen after dissection and the number of perforator arteries in each finger (second to fifth), phalanx (proximal, middle and distal) and finger side (radial or ulnar) were obtained by analysis in Adobe Photoshop CS6.ResultsWe obtained statistically significant results when comparing the means of the number of perforator arteries between fingers, phalanx, finger side, gender and laterality. When analyzing the number of perforator arteries in each phalanx third in each finger, we found that more than 75% of specimens had at least one perforator artery in the two distal thirds of the proximal phalanx and the three-thirds of the middle phalanx and more than 50% had at least one in the proximal third of the distal phalanx.ConclusionsWe present a homogeneous perforator artery anatomic pattern, by finger, phalanx, finger side, gender and laterality, consisting of a high density of perforator arteries in the distal proximal phalanx region, throughout the middle phalanx and in the proximal distal phalanx region, which would be the areas of greatest certainty to help predict the favorable evolution of a digital artery perforator flap in the fingers.Copyright © 2023. Published by Elsevier Ltd.

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