http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
LCS System 을 사용한 슬관절 전치환술의 임상적 고찰
최원식,김환정,이광원,신현대,박현종,강종원 ( Won Sik Choy,Whan Jeong Kim,Kwang Won Lee,Hyun Dae Shin,Hyun Jong Park,Jong Won Kang ) 대한슬관절학회 1996 대한슬관절학회지 Vol.8 No.1
A metal backed, interchangeable, meniscal bearing knee replacement system has been designed to combine low constrained fe ces with low contact stresses(LCS) to allow nearly nomsal joint articulation and loading as well as long terrn wear resistance of the implants. We performed 14 total knee arthroplasty using LCS system(meniscal bearing type) in 11 patients. The average follow-up period was 2 year and 6 months(2 years -3 year and 10 months). In our series, there were 9 fetnales and 2 males with 3 bilateral cases, their mean age was 62.2 years(45-71 years). The results were as foHows. T. Knee joint function by HSS(Hospital for Special Surgery) knee rating score was increased from 47 points preoperatively to 88.7 points postoperatively with all cases rated as excellent or good. 2. The average range of motion was increased from 97.2 degrees preoperatively to 124.3 clegrees postoperatively. The average degree of flexion contracture was improved from 9.3 degrees preoperatively to 1.8 degrees postoperatively. 3. According to the Knee Society Roentgenographic Evaluation and Scoring System, the radiolucent lines were found in zone 1(8 knee), zone 2(4 knees), zone 3(1 knee) and zone 4(2 knees) on the anteroposterior radiographs of the tibia. But total widths of the radioiucency were less than 4.
금속 대 금속 고관절 전치환술 후 혈청 코발트와 크롬 수치
최원식 ( Won Sik Choy ),이광원 ( Kwang Won Lee ),김환정 ( Hwan Jung Kim ),김하용 ( Ha Yong Kim ),옹상석 ( Sang Suk Ong ),김영환 ( Young Wan Kim ),유수근 ( Soo Geur You ) 대한고관절학회 1998 Hip and Pelvis Vol.10 No.1
Release of the metal particles from the prosthetic materials occurs by various types of wear, corrosion and mechanisms such as fretting, stress and fatigue. To eliminate the large amount of polyethylene wear debris in the polyethylene on metal joint bearing cup, the metal-on-metal bearing (Metasul) made of a wrought Co-28Cr-6Mo-0.2C alloy was introduced. We measured the levels of cobalt and chromium in the plasma of 36 patients with 5-31 tnonths after Metasul metal on metal articulation total hip replacement and of 4 persons as a control group. All implants were stable radiographically. The serum level of the cobalt in all patients and control group were below the detection limit. Postoperatively the serum chromium level was 2.9930+2.380yg/l in average and that of the control group was 0.5750+0.299ug/1. The serum concentration of chromium was significantly different between the patients with stable implants and the control group(p<0.05). The regression analysis showed no difference in the serum chromium levels of patients with progression of time (p>0.05). Our finding is based on a short-term result, however long-term result is yet to be further studied.
초기 비외상성 대퇴골두 무혈성 괴사의 골 이식에 대한 임상적 고찰
최원식 ( Won Sik Choy ),김환정 ( Whan Jeong Kim ),이광원 ( Kwang Woo Lee ),유천환 ( Chun Hwan Yoo ),송대화 ( Dae Hwa Song ),김규현 ( Kyou Hyun Kim ),옹상석 ( Sang Suk Ong ) 대한고관절학회 1996 Hip and Pelvis Vol.8 No.2
The authors retrospectively reviewed 21 patients who underwent 22 bone grafting procedures for early atraumatic avascular necrosis of femoral head to evaluate effectiveness of the procedure. The minimum follow up period was 2 years and evaluation included clinical results using Merle d'Aubigne-Postel scale as modified by Charnely and radiographs using Ficats staging system. The result were as follows. l. All case". were males and 20 patients have bilateral involvement. The ages ranged from 26 to 67 years and mean age was 46.1 years. 2. According to the Ficat stage, Stage I was 8 cases (36%), Stage II were 14 cases (64%). At last follow up, Stage I were 1 case (5%), Stage II were 4 cases (18%), Stage III were 8 cases (36%) and Stage IV were 9 cases (41%). 3. The successful results in clinical and roentgenological evaluations were obtained in 5 cases (23%). Progressive collapse was not prevented in 17 cases (77%). 4. The role of core decompression with bone grafting in precollapse stage of avascular necrosis of femoral head is uncertain.