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Updated: Apr 15, 2026

Engineered Vascularized Muscle Flap
08:18

Engineered Vascularized Muscle Flap

Published on: January 11, 2016

8.8K

A method for constructing vascularized muscle flap.

Yulia Shandalov1, Dana Egozi2, Alina Freiman3

  • 1Biomedical Engineering Department, Technion-Israel Institute of Technology, Haifa 32000, Israel.

Methods (San Diego, Calif.)
|April 7, 2015
PubMed
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Engineered muscle flaps offer a novel solution for abdominal wall reconstruction. This technique creates a vascularized tissue graft, providing a viable alternative to traditional autologous flaps.

Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Regenerative Medicine

Background:

  • Autologous flaps are crucial for abdominal wall reconstruction after extensive tissue loss.
  • Limitations of autologous flaps include limited availability and donor site morbidity.
  • Novel strategies are needed to overcome these limitations in reconstructive surgery.

Purpose of the Study:

  • To develop and evaluate a technique for fabricating a vascularized muscle flap for abdominal wall reconstruction.
  • To assess the viability and mechanical properties of the engineered flap.
  • To provide an alternative source for autologous tissue in reconstructive procedures.

Main Methods:

  • Utilized poly L-lactic acid/poly lactic-co-glycolic acid scaffolds seeded with endothelial cells, fibroblasts, and myoblasts.
Keywords:
FlapMuscleScaffoldTissue engineeringVascularizationVascularized tissue

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  • Implanted cell-embedded scaffolds around femoral vessels to promote vascularization via capillary sprouting.
  • Transferred the developed vascularized muscle flap to reconstruct full-thickness abdominal wall defects.

    • Main Results:

    • A thick, vascularized tissue construct was formed within one week.
    • The engineered flap demonstrated viability and sufficient mechanical strength after transfer.
    • Successful reconstruction of full-thickness abdominal wall defects was achieved.

    Conclusions:

    • This engineered muscle flap serves as a viable alternative to traditional autologous flaps.
    • The technique offers a promising solution for abdominal wall reconstruction with reduced donor site issues.
    • Further research can explore broader applications in reconstructive surgery.