Arch Plast Surg.  2018 Jan;45(1):51-57. 10.5999/aps.2017.00563.

Risk factors for delayed healing at the free anterolateral thigh flap donor site

Affiliations
  • 1Department of Plastic and Reconstructive Surgery, Tokushima University Graduate School of Medical Science, Tokushima, Japan. y.abe@tokushima-u.ac.jp

Abstract

BACKGROUND
The free anterolateral thigh (ALT) flap has been widely used for various kinds of reconstructions. However, delayed healing at the donor site occasionally occurs due to wound dehiscence or the partial loss of grafted skin at the donor site. The aim of the present study was to identify reliable predictive factors for delayed healing at the donor site after the harvest of a free ALT flap.
METHODS
This study included 52 patients who underwent reconstructive procedures using free ALT flaps. The delayed healing group included patients with wounds at the donor site that had not healed over 3 weeks after surgery, and the normal healing group included patients who showed wound healing within 3 weeks after surgery. Multivariate logistic regression models were created to identify the risk factors for delayed healing at the ALT flap donor site.
RESULTS
Among the 52 patients, 24 (46.2%) showed delayed healing at the donor site, and 6 patients required additional operative treatment. A high preoperative body mass index (BMI), smoking, and skin grafting were found to be significantly associated with delayed healing at the ALT donor site. Of the 37 patients who underwent skin grafting, 23 (62%) experienced delayed healing at the donor site.
CONCLUSIONS
A high preoperative BMI, smoking, and skin grafting were risk factors for delayed healing at the free ALT donor site. Skin grafting at the ALT donor site should be avoided in patients with a high BMI or a habit of smoking.

Keyword

Reconstructive surgical procedures; Free tissue flaps; Wound healing; Risk factors

MeSH Terms

Body Mass Index
Free Tissue Flaps
Humans
Logistic Models
Reconstructive Surgical Procedures
Risk Factors*
Skin
Skin Transplantation
Smoke
Smoking
Thigh*
Tissue Donors*
Transplants
Wound Healing
Wounds and Injuries
Smoke
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