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김기용,조우신,한영길,이호승,박수성,최진 ( Key Yong Kim,Woo Shin Cho,Young Kil Han,Ho Seung Lee,Soo Sung Park,Jean Choe ) 대한슬관절학회 1997 대한슬관절학회지 Vol.9 No.2
The functional knee hrace has been used to provide or to assist knee stahility in the anterior cruciate ligament(ACL) deficient knee, Nowadays, it is more indicated in the postoperative care of ACL injury to protect the reconstructed or repaired ligament, but eontroversies still exist regarding the effectiveness and the selection of an appropriate model. For successful application, it must restrict the knee motion within the range of certain arc, especially hyperextension, during weight bearing together with convenience and comfort.. The six commercial functional knee braces, which were introduced in Korea, were ehecked to detect the angle dis- crepancy between angle of brace and knee joint motion. The purpose of this study was to guide correct appli- cation of the functional knee brace in preventing hyperextension of the knee joint. Each brace was grouped into small, medium and large by size, and fixed with the arc of motion 30 to 90. The brace was applied to 3 healthy volunteers whose size was just fit mth the brace size small, rnedium and large, respectively. True lateral X-ray of the knee joint was taken in active flexion and extension state under the fluoroscopic control and measured the lateral intershaft angle of femur and tibia. Average angle discrep- ancy between the brace and the intershaft ang]e of femur and tibia in active extension was 22 and 3 in acTive flexion. In active extension at 30, angle discrepancy of Denzo brace was the large:st recording 26, that of Sentry hrace was the smallest recording 17. In active flexion at 90', angle discrcyancy of Sentry hrace was the largest recording 13, that of ACL brace (custom made modified Sentry brace) was the smallest recording 2. There was no statistically significant difference of the angle discrepancy among each size of brace. This study suggests that, at least 20 of angle discrepancy must be considered in appling the knee brace for prevention of hyperextension of the knee joint and careful selection of the brace, which may be affected by the design of hrace and the soft tissue compliance, is mandatory.
김영창(Young Chang Kim),안기찬(Ki Chan An),김기용(Key Yong Kim),최장석(Jang Suk Choi),정경칠(Kyung Chil Chung),나채오(Chae Oh Na),하동준(Dong Joon Ha),김창완(Chang Wan Kim) 대한정형외과학회 2005 대한정형외과학회지 Vol.40 No.6
목적: 고령의 대퇴골 전자부의 불안정 골절 및 분쇄 골절시 활강 압박 고 나사에 전자부 안정화 금속판(TSP)을 추가하여 고정한 경우와 활강 압박 고 나사만으로 치료한 예를 비교분석 함으로써 전자부 안정화 금속판 추가사용의 유용성을 평가 하고자 한다. 대상 및 방법: 2000년 1월부터 2004년 12월까지 대퇴골 전자부 불안정 골절로 수술 받은 환자 중 65세 이상이며 T-score-3.0 이하의 환자를 대상으로 평가하였으며, 6개월 이상 추시 가능했던 70예에 대해 활강 압박 고 나사만으로 치료한 군(l군, 38예)과 전자부 안정화 금속판을 추가하여 치료한 군(2군, 32예)으로 나누어, 이 두 군을 임상적 그리고 방사선학적으로 비교 분석하였다. 결과: 두 군 간에 수술 후 지연 나사의 활강의 빈도는 차이가 없었으나, 활강의 정도는 양군 간 8.8 ㎜의 차이를 보여 유의한 차이를 보였으며(p<0.05), 대전자부의 외측이동 역시 양군 간 6.0㎜의 유의한 차이를 보였다(p<0.05). 또한, 진찰 소견상하지 길이에는 두군 간 유의한 차이를 보이지 않았으나(p>0.05), 수술 후 고관절 기능의 소실은 안정화 금속판 사용군에서 유의하게 감소된 것으로 나타났다(p<0.05). 그리고 수술 후 정복실패 및 재 고정 수술의 빈도는 활강 압박 고 나사만으로 치료한 군에서 2예로 안정화 금속판 사용군의 1예와 큰 차이를 보이지 않았다. 결론: 전자부 안정화 금속판(TSP)의 추가적 사용은 비교적 간단한 술식이지만, 근위 골편에 대한 지지 효과(buttress effect) 와 추가적인 전자부 고정이 가능하여, 지나친 지연 나사의 활강을 줄이고, 전자부 골편의 외측 전위를 방지하며, 수술 후 기능적 소실을 줄일 수 있어 고령의 골다공증이 동반된 불안정한 전자부 골절 및 전자부 분쇄골절에서 유용하게 사용될 수 있을 것으로 판단된다. Purpose: To compare the effectiveness of a trochanter stabilizing plate with a dynamic hip screw, with using a dynamic hip screw only in the treatment of an unstable intertrochanteric fracture of elderly patients. Materials and Methods: From January 2000 to December 2004, 70 patients, who were treated surgically for unstable intertrochanteric fractures, were evaluated. The patient's age were above 65 years and the T-score <-3.0 and they were followed up for more than 6 months. The patient were divided into two groups. One group was treated with DHS only (Group 1, 38 cases), and the other was treated with DHS and TSP (Group 2, 32 cases). The two groups were compared clinically and radiologically. Results: There was no difference in the prevalence of lag screw sliding. However, there were significant differences in the extent of sliding between the two groups, (an average of 8.8 mm p<0.05). There was a significant difference between two groups in the extent of lateralization of the great trochanter, (An average of 6.0 ㎜ p<0.05). However, there was no difference in the leg length between two groups (p>0.05), but the postoperative functional loss of the hip joint was significantly lower in the group 2 (p<0.05), who required additional surgery due to reduction loss or metal failure. Conclusion: Although it is a relatively simple technique, the use of DHS with TSP is more effective for the buttress effect on proximal fragment and additional fixation of great trochanter than just DHS only. It decreases the excessive slippage of the lag screw, lateral displacement of the greater trochanter and postoperative functional loss of the hip joint. Therefore, it may be a useful treatment for unstable or comminuted intertrochanteric fractures in elderly patients with osteoporosis.