Choice of Flap and Incidence of Free Flap Success

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Abstract
A review of 854 consecutive free flaps was performed to determine whether the choice of flap used for the reconstruction influenced the probability of a successful outcome. Flaps were grouped into nine categories: rectus abdominis, free transverse rectus abdominis myocutaneous, radial forearm, jejunum, latissimus dorsi, fibula, scapula, iliac crest, and other. There were significant differences among the success rates of different flaps (p < 0.0001). Rectus abdominis-based flaps used for breast or head and neck reconstruction had lower failure rates (0.9 percent) than did non-rectus abdominis flaps (6.6 percent; p < 0.0001). Flaps requiring vein grafts had a higher rate of flap loss (18.4 percent) than did flaps that did not require vein grafts (2.9 percent; p < 0.0001). There was a strong trend favoring survival of flaps without a bone component (compared with osteocutaneous flaps), and a weaker trend favoring survival of flaps in nonobese patients (compared with flaps in obese patients). Smoking, age, and previous irradiation had no significant effect on flap failure rates. Surgeons should consider the flap success rate as one (but not necessarily the most important) factor in choosing the best reconstruction for any individual patient.

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