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Related Concept Videos

Diabetic Foot Ulcer01:31

Diabetic Foot Ulcer

Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...

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Engineered Vascularized Muscle Flap
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Mini Free Flaps for Diabetic Foot Reconstruction.

Han Gyu Cha1, Young Hun Kang1, Eol Choi2

  • 1From the Department of Plastic and Reconstructive Surgery.

Plastic and Reconstructive Surgery
|April 10, 2026
PubMed
Summary
This summary is machine-generated.

Mini free flap reconstruction effectively saves limbs for patients with small diabetic foot ulcers (DFUs). This technique preserves foot length and quality of life by preventing amputations.

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Area of Science:

  • Microsurgery
  • Reconstructive Surgery
  • Diabetic Foot Management

Background:

  • Diabetic foot ulcers (DFUs) pose significant risks, including infection and amputation, impacting patient quality of life.
  • Flap reconstruction is vital for limb salvage in DFUs, particularly for covering critical areas like the metatarsal head or amputation stumps.

Purpose of the Study:

  • To evaluate the efficacy of mini free flap reconstruction for small DFUs.
  • To assess the role of this technique in preventing further amputations and preserving foot length.

Main Methods:

  • Retrospective review of 20 DFU patients undergoing mini free flap reconstruction.
  • Preoperative assessment using CT angiography and ultrasonography for recipient vessel evaluation.
  • Harvesting and anastomosing mini free flaps to smaller, distal arteries.

Main Results:

  • Successful reconstruction in 20 patients with an average wound size of 6.8 cm².
  • Utilized various mini flap types (e.g., superficial circumflex iliac artery perforator) with average pedicle length of 6.9 cm.
  • Anastomosed to recipient vessels (e.g., dorsal metatarsal artery) with an average diameter of 1.5 mm.

Conclusions:

  • Mini free flap reconstruction is a reliable and effective method for salvaging small DFUs.
  • Advanced imaging aids precise vessel and flap selection, optimizing flap survival.
  • This approach enhances patient quality of life by avoiding amputations.