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권우형 ( Woo Hyung Kwun ) 영남대학교 기초/임상의학연구소 2007 Yeungnam University Journal of Medicine Vol.24 No.2S
Venous insufficiency can be divided into primary venous insufficiency and chronic venous insufficiency, The latter is characterized by advanced skin changes of hyperpigmentation, edema, ulceration, scarring from healed ulcers or open ulcerations, Pretreatment evaluation is done with a standing ultrasound reflux examination, Thorough mapping of extremity reflux is desirable. Physiologic tests of venous function, such as plethysmography, are unnecessary. Treatment is directed at closing refulxing axial veins as well as controlling those perforating veins with outward flow. Varicose veins contribute to axial reflux and must be obliterated. In performing ablation of saphenous vein reflux, techniques include high ligation with strrpping, radiofrequency ablation, endovenous laser therapy, and foam sclerotherapy. Initial treatment of severe chronic venous insufficiency is usually carried out by controlling the edema with elastic bandaging or nonelastic support, such as Unna boot or the CircAid dressing. Incompetent perforation interruption can be accomplished surgically by subfascial endoscopic perforator surgery (SEPS) or controlled sclerotherapy using ultrasound.. Surgical intervention has been successful but the advent of foam sclerotherapy has proven to be an attractive alternative to surgery and has added a new tool for the treatment of severe chronic venous insufficiency.
장골 동맥 폐색 및 협착증에 대한 중재적 치료와 수술적 치료의 결과 비교
손기탁(Gi-Tak Son),권우형(Woo-Hyung Kwun),서보양(Bo-Yang Suh),박원규(Won-Kyu Park) 대한외과학회 2007 Annals of Surgical Treatment and Research(ASRT) Vol.73 No.5
Purpose: This study was constructed to review our experience for the treatment for iliac artery occlusion/stenosis with performing angioplasty/stenting and open bypass surgery. Methods: We retrospectively evaluated the 86 primary endovascular and open bypass procedures that were done for iliac artery occlusion/stenosis between 2000 and 2005. The data was divided into two groups by the procedure: the endo group (31 limbs, 36%), and the bypass group (55 limbs, 65%). Results: The outcomes were defined according to the reported standards of the Society for Vascular Consensus (TASC). The lesion types were significantly more severe in the patients in the bypass group (P=0.000). The initial technical & clinical success rates were 100% in both groups. The cumulative 48-month primary & secondary patency rates were 76.1% and 95.2% in the endo group and 78.0% and 93.8% in the bypass group, respectively. The perioperative complication rates were 6% in the endo group and 9% in the bypass group, respectively. The mean hospital stay was more significantly shorter in the endo group (5.4 days vs. 15.1 days, respectively, p=0.000). Conclusion: The treatment of iliac artery lesion with angioplasty/stenting was a safe and effective method in our experience. Selective angioplasty/stenting may be preferable to bypass surgery for treating TASC A and B type iliac artery occlusions.
김상우,권우형,임명국,서보양,권굉보 대한혈관외과학회 2002 Vascular Specialist International Vol.18 No.2
Purpose and Method: To access the value and results of femoro-femoral bypass for the treatment of unilateral iliac artery occlusion, the clinical data of 53 patients who underwent femoro-femoral bypass graft at Yeungnam University Hospital between January 1994 to December 2000 were analyzed retrospectively. The influence of variables (such as, age, sex, preoperative symptom, risk factors and associated medical illness, status distal artery, preoperative ABI) on the long term patency was evaluated by univariate statistical analysis. Result: The patients were 47 males and 6 females ranging from 37 to 84 years of age. The mean age was 65, with the highest incidence among people in their 60s, followed by those in their 70s and then in their 50s. Associated disease were hypertension in 28 case (52.8%), diabetes mellitus in 10 cases (18.8%), cardiac disease in 19 cases (32.0%) and cerebrovascular disease in 4 cases (7.5%). History of smoking was noted in 77.4% of the cases. Focal stenosis of donor site iliac artery has been found in 2 cases and combined distal outflow occlusion has been found in 21 cases, 2 donor site iliac artery ballon angioplasty was performed preoperatively and 14 adjuvant procedures (9 femoro-popliteal bypas, 2 femoro-tibial bypass, 3 profundoplasty) was performed simultaneously during the operation. Cumulative 1,3,5,-year primary and secondary patency rates of all femoro-femoral bypass were 87.0%, 76.6%, 68.1% and 91.7%, 85.7%, 73.5%. There was no operative mortality and major perioperative complications. Univariate analysis showed that the patients without distal arterial occlusion had significantly better 1-, 3-, and 5-year primary patency rates (93.0%, 89.0% and 74.2% versus 76.6%, 45.9% and 45.9% and 45.9%, P=0.02) compared with the patients with distal arterial occlusion. No significant effect was exerted by all other variables on long term results. Conclusion: These results suggest that femoro-femoral bypass is a sate and durable operation that results in good patency in a good runoff.