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양극성 고관절 반치환술의 임상 결과 -11례에서 평균 5.6년 추시결과 보고
손원용 ( Won Young Shon ),심재익 ( Jae Ik Shim ),강석구 ( Sug Gu Kang ),고용선 ( Young Seon Ko ) 대한고관절학회 1993 Hip and Pelvis Vol.5 No.1
Eleven hips in 9 patients with surgical implantation of bipolar femoral prosthesis were observed for average 5.6 years(range from 3 years to 8.5 years), focusing on migration of acetabular cup of femoral prosthesis by the roentgenography. At latest follow-up examination, four of eleven hips showed more than 5mm migration of acetabular cup of femoral prosthesis, among these four cases, three cases required a revision surgery because of persistent pain. Three of eleven hips showed less than 3mm migration of acetabular cup of femoral prosthesis, remaining of four of eleven hips showed no migration of acetabular cup of femoral prosthesis. Authors think that many factors such as activity of patients, bone quality, age and weight of patients, etc., contributes to the migration of acetabular cup of bipolar femoral prosthesis.
Modern Cementing Techmique -Vacuum technique of acrylic bone cement-
손원용 (Won Young Shon) 대한고관절학회 1991 Hip and Pelvis Vol.3 No.2
At present time, cemented hip replacements yield high success rates, particularly in elderly pateients, while reasonable long-term results can be obtained in young patients if they are willing to avoids strenuous activity. Thorough knowledge of mixing and handling instruction regarding the application of each separate cement is indispensable, while also the importance of practising meticulous cementing technique improve bone-cement interface, and also vacuum mixing of acrylic bone cement improve the mechanical properties. This manuscript is concerned with scientific bases of modern cementing technique and its method in cemented hip replacement.
대퇴전자간 골절 정복에 있어 관상면상의 부정 정렬 평가 방법으로서 수술 중 Greater Trochanter Orthogonal Line의 유용성
윤용철 ( Young Cheol Yoon ),오종건 ( Jong Keon Oh ),손원용 ( Won Yong Shon ),김한주 ( Han Ju Kim ),조재우 ( Jae Woo Cho ) 대한골절학회 2016 대한골절학회지 Vol.29 No.1
목 적: 대퇴전자간 골절 수술 중 관상면상에서의 정복의 적정성을 쉽게 판단할 수 있는 평가 방법이 없는 상황이다. 이에 greater trochanter (GT) orthogonal line과 head center (HC) orthogonal line을 이용하여 정복의 내반, 외반 여부를 평가하는 지표로 사용 가능한지 알아보고자 한다. 대상 및 방법: 총 200예(남, 녀 각각 100예)의 standing orthoradiogram을 대상으로 picture archiving and communication system (Infinitt ver. 5.0.9.88)을 이용하여 분석하였다. GT orthogonal line과 HC orthogonal line을 측정하였다. 이 두 선 사이의 간격을 trochanter center distance (TCD)로 측정, 대퇴골의 neck shaft angle, medial proximal femoral angle with reference to anatomical axis (aMPFA), lateral proximal femoral angle with reference to mechanical axis (mLPFA)를 측정하여 이들과의 상관관계에 대해 분석하였다. 결 과: 모든 환자에서 GT orthogonal line이 대퇴골두 중심이나 대퇴골두 중심에서 조금 위로 지나갔고, TCD는 평균 7.22mm (범위, 0-17.57 mm)를 보였다. TCD는 aMPFA, mLPFA, neck shaft angle과 통계적으로 아주 유의한 상관관계를 보였다. 약 90%에서 GT orghogonal line이 대퇴골두 4분할 시 위에서부터 두 번째 분할 범위에 들어감을 확인하였다. 결 론: 전자간 골절 수술 시 GT orthogonal line은 대퇴골두 중심과의 관계를 고려하여 관상면상의 정복의 적정성을 평가하는 지표로 사용할 수 있다. Purpose: There is no consensus on a clear intraoperative guideline for judging the coronal plane alignment following reduction of trochanteric fractures. Complex angular measurements using fluoroscope monitors are tedious. Therefore the relation of the horizontal line from the tip of the greater trochanter (GT orthogonal) and femur head center (HC orthogonal) was studied to define this line as a criterion for predicting varus-valgus malalignment. Materials and Methods: We studied this relation in 200 standing orthoradiograms which included 100 males and 100 females. The images were digitally analyzed using the picture archiving and communication system. GT orthogonal line and HC orthogonal line were evaluated. The distance of these lines was measured as trochanter center distance (TCD) and its correlation with angular parameters like neck shaft angle, medial proximal femoral angle with reference to anatomical axis (aMPFA) and lateral proximal femoral angle with reference to mechanical axis (mLPFA) were analyzed. Results: In all patients, the GT orthogonal line passed either at or above the center of the head. Overall mean of TCD was 7.22 mm, ranging from 0 to 17.57 mm. TCD was found to show strong correlation with angular parameters like aMPFA, mLPFA and neck shaft angle. TCD was less than one fourth of the corresponding head diameter in around 90%. Therefore following reduction of trochanteric fractures, the GT orthogonal line should pass through the superior juxta central quadrant of the femoral head. Conclusion: This line can be represented by a guide wire with fluoroscopy during surgery. The GT orthogonal line can be used intraoperatively as a simplified tool for prediction of varus/valgus malalignment following the reduction of trochanteric fractures.
시멘트 광택 대퇴 금속주(Cemented Polished Femoral Stem)의 5년 이상 추시 연구
이주원 ( Ju Won Yi ),손원용 ( Won Yong Shon ),허창룡 ( Chang Yong Huh ),윤호현 ( Ho Hyun Yun ),허영재 ( Young Jae Huh ) 대한고관절학회 2011 Hip and Pelvis Vol.23 No.1
Purpose: Surface finishing of a cemented femoral stem is a subject of controversy even though the contemporary cementing techniques have improved results. Using the Versys Heritage femoral stem, we evaluated the outcome of using a polished surface. Materials and Methods: The subjects of this study were 95 hip arthroplasties in 82 patients and we used a cemented polished femoral stem with the 3rd generation cement technique and all the surgeries were done between October 2000 and August 2003. There were 58 male patients (64 hips) and 24 female patients (31 hips). The mean age at the time of the index arthroplasty was 52.3 years (26~74 years), and the average body mass index was 24.2±2.75 (19.1~29.8). The average follow up period was 80.7 months (64~109 months). All the hips were evaluated clinically by the Harris hip score and the thigh pain, and they were radiologically assessed by the cement grade and the presence of osteolysis around the femoral stem, as well as the presence of stress shielding of the proximal femur. Results: At the final follow up, the Harris hip score for all the patients had improved from preoperative 58.9 (17-83) to post operative 91.7 (72~100). The cement grade was measured using Barrack`s method. Of the 95 hips, 45 (47.3%) cases were grade A, 48 (50.5%) cases were grade B and 2 (2.1%) cases were grade C1 at the final follow up. There was 1 case of definite loosening. Stress shielding was noted in 65 (68.4%) cases of the zero grade and 19 (20.0%) cases of the 1st grade. Conclusion: In this study, the cemented polished femoral stem showed excellent results at the mid term with a minimum follow up of 5 years. But a longer-term follow-up study will be needed for further understanding the implications of cemented polished femoral stem.
고령환자의 상완골 간부 골절에서 저접촉 압박 금속판과 잠김 압박 금속판과의 비교
허창룡 ( Chang Yong Hur ),손원용 ( Won Yong Shon ),문준규 ( Jun Gyu Moon ),한상환 ( Sang Hwan Han ),홍재영 ( Jae Young Hong ),천성광 ( Sung Kang Chun ) 대한골절학회 2007 대한골절학회지 Vol.20 No.3
목적: 고령의 환자에서 발생한 상완골 간부 골절 19예에서 저접촉 압박 금속판과 잠김 압박 금속판으로 고정한 환자의 결과를 비교하였다. 대상 및 방법: 60세 이상이며 금속판을 이용한 관혈적 정복 및 내고정술을 시행받고 1년 이상 추시 가능하였던 총 19예의 환자를 대상으로 후향적 연구를 시행하였다. 방사선학적 평가, 임상적 평가 및 내고정물을 비교하였다. 결과: 저접촉 압박 금속판과 잠김 압박 금속판을 이용한 환자 각각 1예에서 금속판의 이완을 보였고, 나머지 전 예에서 완전 유합을 보였다. 유합 기간과 유합율은 두 군간의 통계학적 차이는 없었고, 임상적 평가와 금속판 비교에서도 의미 있는 차이는 없었다. 내고정물간의 이완이 발생한 저접촉 압박 금속판 1예의 경우 재수술을 시행하였으며, 잠김 압박 금속판 1예의 경우는 본존적 치료로 완전 유합을 얻었다. 결론: 고령의 상완골 간부 골절에서 두 금속판을 이용한 결과의 비교에서 유합률의 차이는 없었다. 이는 내고정물의 선택보다 금속판의 길이, 골편 당의 적절한 수의 나사못과 피질골의 관통 등의 생역학적 원칙이 더 중요한 것으로 생각되었다. Purpose: To compare outcomes of humeral shaft fractures fixed with locking compression plate and those fixed with dynamic compression plate in elderly patients. Materials and Methods: Nineteen consecutive elderly patients with a fracture of the humeral diaphysis were evaluated retrospectively. Ten patients had been fixed with LC-DCP, and nine had been fixed with LCP. Radiological and clinical results were compared and comparison of implants was done. Results: Loosening of the plate occurred in one case each from the LCP group and the LC-DCP group. The rest of the patients achieved union uneventfully without any complications. Union rate, clinical score and hardware were not significantly different between the two groups. One patient who developed loosening in the LC DCP underwent reoperation whereas one patient with loosening in the LCP was successfully managed conservatively. Conclusion: Principle of fracture fixation was more important than plate selection in humeral shaft fracture of elderly patient.