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이광석,우경조,정대철,정재효,Lee, Kwang-Suk,Woo, Kyung-Jo,Jung, Dae-Chul,Jung, Jae-Hyo 대한미세수술학회 1996 Archives of reconstructive microsurgery Vol.5 No.1
From January 1980 to May 1995, ninety-six patients had been treated by free-flap transfer for the soft tissue defects of the extremities. Ninety-eight cases of free-tissue transfer were reviewed to evaluate the clinical reliability in terms of survival and quality of long-time function after reconstructive surgery. Among these 98 cases(27 cases in latissimus dorsi myocutaneous flap, 25 in dorsalis pedis flap, 20 in forearm fasciocutaneous flap, 9 in groin flap, 7 in gracilis myocutaneous flap, 6 in 1st web space flap of foot and 4 cases in tensor fascia lata flap), 92 cases of then were survived. 7 cases were performed with vein grafts. We ananalyzed the reconstruction of the extremities on 98 cases with the soft tissue defects which had been reconstructed free-flap transfer and followed for minimum 1 year period at Korea University Hospital. 1. 92 cases(93.9%) of the total 98 cases were successful and can be obtained the excellent results in soft tissue free-flap transfer. 2. While there were no clinically significant differences in survival rate of flaps transferred from different potential flap donor sites,3 cases of 9 groin flaps were showed higher failure rate due to the complications such as arterial thrombosis, infection and anatomical variation of vessels. 3. Postoperative thrombectomy was performed in 30 cases to be occured in the arterial and venous thrombosis. The revision was failed in 2 cases due to persistent arterial thrombosis and infection, then treated with skin graft. 4. Vein graft was frequently required in severely compromised-soft tissue defects resulted from high-energy trauma. The vein graft was not stitistically significant on the frequency of flap failure rate(P<0.04). 5. Meticulous monitoring, careful planning, early revision and technical considerations will provide for a high clinical success of the free-flap transfer.
이광석,우경조,김종원,Lee, Kwang-Suk,Woo, Kyung-Jo,Kim, Jong-Won 대한근골격종양학회 1996 대한골관절종양학회지 Vol.2 No.1
Neurilemmomas are the most common benign tumor of the peripheral nerve trunks, and arises from the cells in the sheath of Schwann. Neurilemmomas are well encapsulated and may be separated easily from surrounding tissue and lie completely within a larger nerve trunk, with bundles of neurofibrils spread out over the surface of the tumor. A careful dissection and retraction of the nerve bundles will allow the tumor to be enucleated from the parent nerve without any significant interference with the function of the nerve. Resection of the involved nerve is seldom necessary and should be avoided if at all possible. Our aim in microscopic excision of neurilemmoma of extremities is to reduce any disturbance of the intact neurofibrils of the parent nerve. Thirteen cases of neurilimmomas were treated by microscopic excision at the Department of Orthopaedic Surgery, Korea University Hospital between January 1990 and March 1995. The results was as follows ; 1. The average age at surgical intervention was 40.1 years. Cases in fourth and fifth decades predominated. 2. In their anatomical distribution, 8 cases were in the upper extremity and 5 cases in the lower extremity. 11 cases were on the flexor surface. 3. On the operative field, all the tumors were well encapsulated, however 1 case of 13 was adherent to the periosteum of fibula. 4. In all cases, the tumor were enucleated from the parent nerve without any injury to nerve under high-power magnification, preserving individual fascicles, and sensory and motor function.
이광석,채인정,우경조,구장성,Lee, Kwang-Suk,Chae, In-Jeong,Woo, Kyung-Jo,Koo, Ja-Seong 대한미세수술학회 1995 Archives of reconstructive microsurgery Vol.4 No.1
The authors have reviewed 19 patients of brachial plexus injury who treated by operative methods at Department of Orthopedic Surgery, Korea University Hospital during the period from January 1989 to February 1994. All of these patients were followed up more than one year and following results were obtained. 1. The whole arm type injury was most common(7 of 19 patient) and supraclavicular lesion(15 of 19 patient) was more dominant than infraclavicular lesion(4 of 19 patients). 2. The neurorrhaphy, nurolysis, nerve grafting, and neurotization were performed for the primary neural surgery and secondary reconstructive procedure consist of musculotendinous transfer and free muscle transfer with neurotization. 3. The followed up period was from one year to four years and six months, average being two years and five months. 4. We have obtained satisfactory results in 12 patients among 19 patients.
이광석,변영수,우경조,배철효,Lee, Kwang-Suk,Byun, Young-Soo,Woo, Kyung-Jo,Bae, Cheol-Hyo 대한미세수술학회 1995 Archives of reconstructive microsurgery Vol.4 No.1
사지의 연부조직 결손으로 고려대학교 의과대학 정형외과학 교실에서 입원했던 12명의 환자 13례에 대하여 전완부 유리 피판술을 시행 후 최저 3개월에서 최고 37개월간 평균 14.3개월간 추시하여 다음과 같은 결론을 얻었다. 1. 13례 전례에서 연부조직 결손의 치료로 만족할만한 결과를 얻었다. 2. 이식피판의 크기는 평균 $54cm^2$였으며 유리피판의 평균 혈류 차단시간은 74분 이었다. 3. 술후 3례에서 합병증이 발생하였으며 3례중 2례는 동맥 문합부위에 혈전이 발생하였으나 술후 제 2일에 혈전 재거술을 시행하여 해결하였으며, 1례는 이식 정막내의 혈전으로 이식피판의 표층괴사가 발생하여 고식적인 피부이식술로 치료하였다. 4. 체중 부하를 받는 족저부의 재건에는 감각신경을 포함한 전완부 유리피판술이 좋은 방법의 하나이다. 5. 전완부 피판술은 비교적 넓은 연부조직 결손을 치료할 수 있고 이식 혈관의 내경이 커서 문합이 비교적 쉬워 숙련된 미세수술 수기를 익힌 외과의사에게는 성공률이 높은 유리피판술 중의 하나이다. The radial forearm flap was first designed at the Ba-Ba Chung Hospital of People's Republic of China in 1978. The flap consists of the skin of the volar surface of the forearm, the subcutaneous fat, the underlying fascia, and the intramuscular fascia which includes the radial vessels. It is very useful flap in soft tissue coverage of skin defects of the upper and lower extremities. The authors have reported 13 cases of forearm free flap treated in the Korea University Hospital from January 1991 to Jun 1995 with a review of literature. The results were as follows. 1. We had good results in soft tissue coverage for all patients 2. The average size of flaps was $54cm^2$ and the average ischemic time of flaps was 74minutes. 3. The postoprative complication was occurred in three of 13 cases, two of three cases were arterial thrombosis treated with thrombectomy in postoperative 2 days, and one case was venous thrombosis resulted in superficial necrosis of the flap treated with STSG. 4. Forearm free flap with sensory innervation is a good donor site for reconstruction of weight-bearing areas of heel and sole. 5 The forearm free flap is suitable for soft tissue coverage of the upper and lower extremities, and can be used by skillful microsurgeon with high success rate.