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A versatile method for reconstruction of finger defects: reverse digital artery flap
1Division of Plastic Surgery, Chung-Ho Memorial Hospital, Kaohsiung Medical College, Taiwan, Republic of China.
British Journal of Plastic Surgery
|August 1, 1992
Summary
This study presents four reverse digital artery flap variations for finger defects, showing innervated flaps offer superior sensory recovery. These versatile flaps provide reliable one-stage reconstruction for diverse finger injuries.
Area of Science:
- Plastic Surgery
- Hand Surgery
- Microsurgery
Background:
- Finger defects pose reconstructive challenges.
- Digital artery flaps offer potential for reconstruction.
- Sensory feedback is crucial for fingertip function.
Purpose of the Study:
- To evaluate four types of reverse digital artery flaps for finger reconstruction.
- To assess the anatomical basis and clinical outcomes of these flaps.
- To compare sensory recovery between innervated and non-innervated flaps.
Main Methods:
- Development and application of four reverse digital artery flap types in 52 patients.
- Cadaver dissections to study dorsal branch patterns and classify.
- Utilizing "Lai's line" as a topographical guide for digital artery localization.
- Evaluation of functional and cosmetic results, including two-point discrimination.
Main Results:
- Successful reconstruction of 52 finger defects using various flap types.
- Classification of dorsal branch arising patterns.
- "Lai's line" proved effective for digital artery identification.
- Average two-point discrimination: 6.8 mm (non-innervated) vs. 3.9 mm (innervated).
Conclusions:
- Reverse digital artery flaps are versatile and reliable for one-stage finger reconstruction.
- Innervated flaps demonstrate significantly better sensory recovery.
- Refined flap design and surgical techniques yield favorable outcomes.