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자료유형
학술저널
저자정보
이광석 (고려대학교 의과대학 정형외과학교실) 박종웅 (고려대학교 의과대학 정형외과학교실) 서동훈 (고려대학교 의과대학 정형외과학교실) 정웅교 (고려대학교 의과대학 정형외과학교실)
저널정보
대한미세수술학회 대한미세수술학회지 대한미세수술학회지 제7권 제2호
발행연도
1998.1
수록면
135 - 145 (11page)

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In 1980 Morrison and O'Brien reported their experiences about the reconstruction of amputated thumb using wrap-around neurovascular free flap from the great toe with a nonvascularized iliac bone graft. From then it has been considered to be a good reconstructive procedure for the amputated thumb, but it's indication has been limited distal to the metacarpophalangeal(MP) joint. We have performed 37 cases of wrap-around free flap from the great toe for the reconstruction of thumb amputated at distal or proximal to the MP joint and investigated their functional results according to the level of amputation. Level of amputation was distal to the MP joint in 25 cases and proximal to it in 12 cases. Pinching and grasping power, two point discrimination and the amount of opposition to the other fingers were compared to the uninjured hand. Pinching and grasping power were not significantly different according to the level of amputation but the amount of two point discrimination was significantly high in the cases amputated proximal to the MP joint. The opposition of reconstructed thumb to the other fingers was completely possible in all cases amputated distal to the MP joint. In 12 cases amputated proximal to the MP joint of the thumb, opposition was completely possible in 6 cases in which the iliac bone block was fixated in the position of $30^{\circ}$ flexion and $45^{\circ}$ internal rotation but in 6 cases in the fixation of $30^{\circ}$ flexion and $30^{\circ}$ internal rotation, the opposition of reconstructed thumb to the ring and little fingers were impossible in 5 cases and only to the little finger in 1 case. In this study, we concluded that even if amputation proximal to the MP joint, it is no more contraindication of the wrap-around free flap procedure for thumb reconstruction, however in these cases we recommend iliac bone block fixation in the position of $30^{\circ}$ flexion and $45^{\circ}$ infernal rotation for the better functional outcome.

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