http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
인공슬관절 치환술에서의 수술후 혈액 회수 및 재주입 장치들의 비교
한창동,이원영,장준섭 ( Chang Dong Han,Won Young Lee,Jun Seop Jahng ) 대한슬관절학회 1995 대한슬관절학회지 Vol.7 No.2
A prospective, comparative matched study was conducted in 81 cases of the total knee arthroplasty(TKA) patients between multiple reinfusion system(Constavac Blood Conservation,CBC) and single reinfusion system(Ortbo-evac system) for postoperative blood salvage. In the CBC(59 cases), the drainage blood was reinfused 2 or 3 times for 24 houis. In the Ortho-evac(22 cases), the drainage blood was reinfosed only onc time during 6 hovrs. L. Ih the CBC, the tota1 driinage blood was 1031cc(58.6% of total lost blood) and the amount of blood salvage was 815cc(70/o of total draiaage) in average. 2. In the Ortho-evac system, the total drainage blood was 1176cc(57.9% of total lost blood) and the amount of blqod salvage was 880cc(?4.8cc of total drainage) in average. 3. About?0% of the total drainage blood was collected within 6 hours postoperatively in both systems. 4. Two systems showed eimilar changes of hemoglobin and hematocrit at 24 hours and 7 days postoperatively. 5. Two cases(3.3%) of the CBC showed persistent high fever, wound swelling and local heat which suspicious of infective state. 6. Two syatems are equally effective in reinfusion of drainage blood, but single reinfusion system is more safe, reliable and effective method than multiple reinfusion system.
류마토이드 및 골관절염에 대한 인공 슬관절의 방사선적 결과 분석
한창동,신상진,한대용 ( Chang Dong Han,Sang Jin Shin,Dae Yong Han ) 대한슬관절학회 1996 대한슬관절학회지 Vol.8 No.1
Although long term studies of the total knee arthroplasty have confirmed reliable relief of pain and maintenance of function, the late fioosening of the component being the most serious complication. So we analyzed the radiological results of the cementless total knee arthroplasty performed in osteoathritis and rheumatoicl arthritis. The cementless totaI knee arthroplasty was performed in 48 osteoarthritis knees and 28 rheumatoid arthritis knees from Fehurary 1987 to December 1992. The clinical and radiological analysis were performed between two groups using the American Knee Society roentgenographic evaluation and Hospital for Special Surgery knee score system. The foliow up period was ranged from 36 months to 96 months ( average 50 months ). The clinical results including knee scores and range of motion were similar in hoth groups. The improvement of range of motion and flexion contracture after total knee arthroplasty was remarkable in rheumatoid arthritis group. There was no signifcant differences in radiological results between the osteoarthritis,md the rheumatoid arthritis. In rheumatoid arthritis(81%) the radiolucent ]ines were more frequently ohserved than in osteoarthritis(73%), but the appearance of the lines was earlier in osteoarthritis(6 month) than in rheumatoid arthritis(8 tnonth), The radiolucent lines showed higher frequency in zone 4 on the femoral side in both y oups. On the tibial side the osteoarthritis showed higher frequency in zone 4 and the rheumatoid arthritis in zone 1. I'he radiolucent1inc.s were found more frequently on the tibial side(76%) than the femoral side(51%). In conclusion, there was no significant difference in clinical and radiological results between the osteoarthritis and the rheumatoid arthritis group after coment1ess fixation method. Even in the patient with the poor bone stock like rheumatoid arl.hritis, there seems to he no relations of the bone ingrowth hetween the component. And incomplete radiolucent lines may he of minor c]inical importance, but progressive and continuous lines suggest potential loosening shouM be considered carefully.
비만도가 인공 슬관절 치환술 후 결과에 미치는 영향 -최소 5년 추시 관찰 결과-
한창동 ( Chang Dong Han ),한창욱 ( Chang Wook Han ),양익환 ( Ick Hwan Yang ) 대한슬관절학회 2008 대한슬관절학회지 Vol.20 No.1
Purpose: To evaluate the effects of obesity on clinical outcomes following total knee arthroplasty in osteoarthritis patients. Materials and Methods: Between June 1999 and February 2002, 239 osteoarthritis patients underwent total knee arthroplasty, and 118 knees of 94 patients treated during this period were followed for a minimum of 5 years. Seventy knees belonged to 56 obese patients (body mass index, BMI≥25 kg/m2), while 48 knees belonged to 38 non-obese patients (BMI<25 kg/m2). All patients were fitted with the same type of prosthesis by the same surgeon. The Knee Society objective and functional scores, range of motion, patellofemoral symptoms, complication rate, and revision rate were analyzed and compared between the two groups. Results: Analysis showed that the obese and non-obese groups were similar in terms of Knee Society scores, range of motion, patellofemoral symptoms, complication rate, and infection rate. Ninety percent of knees in the obese group and 92% of knees in the non-obese group had a successful outcome (i.e., Knee Society score ≥80 points at final follow-up) (p>0.05). With regard to revision, 4 liner exchanges took place in the obese group due to liner dislodgement, and no liner exchanges took place in the non-obese group. However, there was no significant difference in the incidence of liner exchange between the two groups (p>0.05). Conclusion: Obesity (BMI≥25 kg/m2) has no effect on total knee arthroplasty outcomes in osteoarthritis patients at 5 years follow-up.
고령의 대퇴골 경부 골절 환자에서 무시멘트 이극성 고관절 반치환술의 평가
한창동 ( Chang Dong Han ),최완섭 ( Wahn Sub Choe ),심동준 ( Dong Joon Shim ) 대한고관절학회 1997 Hip and Pelvis Vol.9 No.2
From January 1988 to March 1995, we performed 66 consecutive cementless bipolar hemiarthroplasties for displaced femoral neck fractures in elderly patients with serious medical illness and evaluated the clinical and radiological results. Only 41 patients (62. l%) were followed-up for more than two years and only 15 patients (22.7%) visited the hospital regularly. The mean age of the patients was 74.3 years (range, 62 to 92 years). Twelve patients were men and 54 were women. The hospital- ization period was less than 3 weeks for 80.3% of patients (mean period, 32.7 days). Walking with partial weight-bearing was begun at the mean of 4.7 days (range, 1-2l days) postoperatively. All patients acquired initial stability of their prostheses. Daily activity of life was excellent or good in 78.0% (32 patients) of the followed-up patients. For patients who visited regularly, Harris hip scores were higher than 80 points in 80.0% (12 patients) and all prostheses had stable fixation by bone ingrowth and no loosening. Acetabular protrusion was not detected. Early or late complications were insignificant. The postoperative mortality rate was 4.5%, and the follow-up mortality rate was 12.2% in the second year, 4.9% in the third year, and 2.4% in the fourth year. Cementless bipolar hemiarthroplasty in elderly patients with displaced femoral neck fracture and high surgical risk showed satisfactory results despite poor bone quality and osteoporosis.