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Clinical Characteristics of Thermal Injuries Following Free TRAM Flap Breast Reconstruction  

Park, Jae Hee (Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Bang, Sa Ik (Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Kim, Suk Han (Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Im, So Young (Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Mun, Goo Hyun (Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Hyon, Won Sok (Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Oh, Kap Sung (Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Publication Information
Archives of Plastic Surgery / v.32, no.4, 2005 , pp. 408-415 More about this Journal
Abstract
Following a transverse rectus abdominis musculocutaneous(TRAM) flap breast reconstruction, denervated state of the flap causes the flap skin prone to thermal injury, calling for special attention. During the last 5 years, 69 breast reconstruction with 72 free TRAM flaps, were performed. Four out of thesse 69 patients sustained burn injury. Heat sources were a warm bag(n=2), heating pad(n=1) and warming light (n=1). The thermal injuries occured from 2 days to 3 months following the reconstruction. Three patients healed with conservative treatment, but one patient required debridement and skin graft. Initially 3 out of 4 patients with the burn had shown superficial 2nd degree burn with small blebs or bullae. However all 4 patients healed with scars. Mechanism of burn injuries of the denervated flap are known to be resulting from; 1) loss of behavioral protection due to denervation of flap with flap elevation and transfer, 2) loss of autonomic thermoregulatory control with heat dissipation on skin flap vasculature contributing to susceptibility of burn injury. 3) changes of immunologic and normal inflammatory response increasing thromboxane, and a fall in substance P & NGF (nerve growth factor). Including the abdominal flap donor site, sensory recovery of the reconstructed breast varies individually from 6 month even to 5 years postoperatively. During this period, wound healing is delayed, resulting in easier scarring compared to that observed in the sensate skin. Patients should be carefully informed and warned of possible burn injuries and taught to avoid exposure to heat source at least until 3 years postoperatively.
Keywords
Breast reconstruction; Extented latissimus dorsi flap;
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