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Related Experiment Videos

The nasolabial flap. Axial or random?

B Hynes1, J B Boyd

  • 1Department of Surgery, Toronto General Hospital, Ontario, Canada.

Archives of Otolaryngology--Head & Neck Surgery
|December 1, 1988
PubMed
Summary
This summary is machine-generated.

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The inferiorly based nasolabial flap

Area of Science:

  • Plastic Surgery
  • Anatomy
  • Microsurgery

Background:

  • The blood supply of the inferiorly based nasolabial flap is not well understood.
  • Clarifying the vascularity is crucial for surgical planning and flap reliability.

Purpose of the Study:

  • To elucidate the vascular anatomy of the inferiorly based nasolabial flap.
  • To determine the source of its blood supply and explain its reliability.

Main Methods:

  • Anatomical dissections on 12 cadaveric specimens.
  • Microangiography performed on six additional cadavers.

Main Results:

  • The facial artery typically runs deep to facial muscles and is not part of the flap's primary blood supply.
  • The flap's vasculature, though technically random, exhibits subdermal plexus vessels oriented along its long axis, conferring a degree of axiality.

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  • This vascular orientation contributes to the flap's predictable viability.

    • Conclusions:

    • The reliability of the inferiorly based nasolabial flap is attributed to the oriented subdermal plexus vessels.
    • Understanding this vascular pattern enhances surgical outcomes in reconstructive procedures.