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Mid-term Clinical Outcome of Microvascular Gracilis Muscle Flaps for Defects of the Hand
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Mid-term Clinical Outcome of Microvascular Gracilis Muscle Flaps for Defects of the Hand
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Mid-term Clinical Outcome of Microvascular Gracilis Muscle Flaps for Defects of the Hand
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Journal Article
Mid-term Clinical Outcome of Microvascular Gracilis Muscle Flaps for Defects of the Hand
2024
Overview
Purpose: Gracilis muscle flaps are useful to cover defects of the hand. However, there are currently no studies describing outcome measurements after covering soft tissue defects using free flaps in the hand. Aim: To analyze mid-term results of gracilis muscle flap coverage for defects on the hand, with regard to functional and esthetic integrity. Methods: 16 patients aged 44.3 (range 20–70) years were re-examined after a mean follow-up of 23.6 (range 2–77) months. Mean defect size was 124 (range 52–300) cm
2
located palmar (
n
= 9), dorsal (
n
= 6), or radial (
n
= 1). All flaps were performed as microvascular muscle flaps, covered by split thickness skin graft. Results: Flaps survived in 15 patients. 6 patients required reoperations. Reasons for revisions were venous anastomosis failure with total flap loss (
n
= 1) requiring a second gracilis muscle flap; necrosis at the tip of the flap (
n
= 1) with renewed split thickness skin cover. A surplus of the flap (
n
= 2) required flap thinning and scar corrections were performed in 2 patients. Mean grip strength was 25% (range 33.3–96.4%) compared to the contralateral side and mean patient-reported satisfaction 1.4 (range 1–3) (1 = excellent; 4 = poor). Conclusions: Gracilis muscle flaps showed a survival rate of 94%. Patients showed good clinical outcomes with acceptable wrist movements and grip strength as well as high reported satisfaction rates. Compared to fasciocutaneous free flaps, pliability and thinness especially on the palmar aspect of the hand are advantageous. Hence, covering large defects of the hand with a gracilis muscle flap can be a very satisfactory procedure.
Level of evidence: IV observational.
