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Is Reconstruction Preserving the First Ray or First Two Rays Better Than Full Transmetatarsal Amputation in Diabetic
Young Chul Suh1, Beatriz Hatsue Kushida-Contreras1, HyunSuk Peter Suh1
1From the Departments of Plastic and Reconstructive Surgery, Orthopedic Surgery, Endocrinology, and Cardiology, Asan Medical Center, University of Ulsan, College of Medicine.
Preserving the first one or two rays during transmetatarsal amputation offers better functional outcomes, despite a higher need for minor follow-up procedures. This approach may lead to progressive deformity, requiring further surgical intervention.
Area of Science:
- Podiatric surgery
- Reconstructive surgery
- Amputation surgery
Background:
- Transmetatarsal amputation (TMA) benefits are established, but outcomes of ray-sparing TMA with flap coverage are unstudied.
- Evaluating functional outcomes and long-term complications of first ray- or first two ray-sparing TMA.
Purpose of the Study:
- To compare functional outcomes and complications between complete TMA and ray-sparing TMA with free flap reconstruction.
- To determine if preserving foot rays impacts patient function and long-term results.
Main Methods:
- Retrospective analysis of 59 patients undergoing TMA with free flap reconstruction.
- Patients categorized into complete TMA (n=27) and ray-sparing TMA (n=32) groups.
- Evaluation of demographics, flap outcomes, secondary procedures, and functional scores.
Main Results:
- No significant demographic or flap outcome differences, except poorer glucose control in the ray group.
- Ray-sparing TMA showed significantly better maximum ambulatory function (4.4 vs. 3.7, p=0.012).
- A trend towards more minor procedures in the ray-sparing group post-healing.
Conclusions:
- First ray- or two ray-sparing TMA with flap coverage may offer functional advantages.
- Higher incidence of minor procedures and potential for progressive deformity in the ray-sparing group.
- Further research is needed to fully assess the long-term implications of ray-sparing TMA.
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