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KMID : 0358820050320050567
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Journal of Korean Society of Plastic and Reconstructive Surgeons
2005 Volume.32 No. 5 p.567 ~ p.572
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Study of Loss of Free Flap and Safer Timing of the Operation in Electrical Injury.
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Chung Eui-Young
Lee Jong-Wook
Ko Jang-Hyu
Seo Dong-Kook
Chung Chan-Min
Jang Young-Chul
Oh Suk-Joon
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Abstract
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An electrical burn used to result in the damage of the skin and underlying deep soft tissue injury. Thus, in order to preserve devitalizing tissues and promote the structural survival free flaps with ample blood supply are frequently employed. However, early unpredictable vascular injury and progressive tissue necrosis may cause the free flaps full of hazards. We applied 50 free flaps upon 41 acute electrical burn cases between 1998 and 2004. Injured areas, timing of operation and causes of flap loss were studied. The victim’s ages ranged from 13 to 60 years. (an average 37.8 years) Thirteen out of 50 free flaps were lost totally: three cases were due to arterial insufficiency and ten venous congestion. Total loss of flaps were observed in 5 of 12 cases in the postoperative 3 weeks, 6 of 20 cases between 3 and 6 weeks and 2 of 18 cases after 6 weeks. In three of 12 cases the free flap was lost partially in the postoperative 3 weeks, 4 of 20 cases between 3 and 6 weeks and 1 of 18 cases after 6 weeks. The result was statistically significant by a T-test (p<0.05). This study showed that timing of the operation is accountable for the loss of free flap. It is most important to conduct the free flap procedure on an electrical injury at the time when the recipient vessel is definitely discernible and intact so as to minimize the loss of flap and spare the structures.
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KEYWORD
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Electrical burn, Flap loss, Operation timing
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