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Related Experiment Videos

Venous flap--its classification and clinical applications

A Fukui1, Y Inada, M Maeda

  • 1Department of Orthopedic Surgery, Nara Medical University, Japan.

Microsurgery
|January 1, 1994
PubMed
Summary
This summary is machine-generated.

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Clinical application of venous flaps showed promising survival rates. Pedicled and venovenous flaps are viable options, but careful vein dissection and multiple anastomoses are crucial for optimal outcomes.

Area of Science:

  • Vascular surgery
  • Microsurgery
  • Tissue transplantation

Background:

  • Previous studies established pedicled venous flap (PVF) and flow-through venous flap (FTVF) survival in animal models.
  • This research translates these findings to clinical application, evaluating PVF, venovenous FTVF (VV-FTVF), arteriovenous FTVF (AV-FTVF), and arterialized FTVF (A-FTVF).

Observation:

  • PVFs demonstrated a 71% survival rate, with some superficial necrosis.
  • VV-FTVFs had an 89% survival rate, though 67% experienced superficial necrosis.
  • AV-FTVFs showed a 60% survival rate, with partial necrosis in 40% possibly due to single outflow vein.
  • The A-FTVF achieved complete survival.

Findings:

  • PVFs and VV-FTVFs show potential for clinical survival, even with superficial necrosis.

Related Experiment Videos

  • Complete necrosis in one VV-FTVF may be linked to insufficient venous connections.
  • Partial necrosis in AV-FTVFs suggests the importance of adequate venous outflow.
  • Optimal outcomes require limiting draining vein dissection to 5 cm and performing multiple anastomoses.

    • Implications:

    • Venous flap techniques, particularly PVF and VV-FTVF, are clinically viable.
    • Surgical technique is critical: minimize pedicle vein length and maximize venous anastomoses.
    • Further research may refine FTVF applications and improve outcomes for AV-FTVF.