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Retrograde Flow Digital Artery Flaps.

Benjamin Zhi Qiang Seah1, Sandeep J Sebastin1, Alphonsus Khin Sze Chong1

  • 1Department of Hand & Reconstructive Microsurgery, National University Health System, Tower Block, Level 11, 1E Kent Ridge Road, Singapore 119228.

Hand Clinics
|November 24, 2019
PubMed
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Retrograde flow digital artery flaps offer a versatile solution for digit defects. While technical challenges exist, innervated flaps improve sensory recovery, though sacrificing a digital artery can cause cold intolerance.

Area of Science:

  • Plastic Surgery
  • Microsurgery
  • Hand Surgery

Background:

  • Retrograde flow digital artery flaps are a valuable single-stage technique for covering fingertip and dorsal digit defects.
  • Challenges include pedicle dissection, vessel selection (proper digital artery or branches), and digital nerve incorporation.
  • Common complications include venous failure and donor site morbidity.

Purpose of the Study:

  • To review the versatility and technical considerations of retrograde flow digital artery flaps.
  • To evaluate factors influencing flap success and patient outcomes.
  • To compare different techniques and their associated morbidities.

Main Methods:

  • Review of surgical techniques for retrograde flow digital artery flaps.
  • Analysis of vessel and nerve incorporation strategies.
Keywords:
Digital artery flapsDigital defectsRetrograde flow

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  • Assessment of flap outcomes, including venous viability and sensory recovery.

    • Main Results:

    • Innervated flaps are favored for superior sensory recovery.
    • Sacrificing a digital artery can lead to cold intolerance.
    • Venous failure remains a more frequent complication than arterial issues.

    Conclusions:

    • Retrograde flow digital artery flaps are a versatile option for digit reconstruction.
    • Careful pedicle dissection and consideration of nerve incorporation are crucial for optimal outcomes.
    • Patient selection and understanding potential morbidities like cold intolerance are important.