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외상성 재발성 견관절 전방탈구에서 suture anchor를 이용한 변형 Bankart 술식의치료 결과
이광석 ( Kwang Suk Lee ),서정대 ( Jung Dae Seo ),오광준 ( Kwang Jun Oh ),이승준 ( Seung Joon Lee ),왕승용 ( Seung Yong Wang ) 대한골절학회 2001 대한골절학회지 Vol.14 No.3
목적: 외상성 재발성 견관절 전방탈구 환자에서 suture anchor를 이용하여 관절낭 전이술 및 Bankart 병변 복원술을 동시에 시행한 변형 Bankart 술식의 임상적 결과를 보고하는 바이다. 대상 및 방법: 외상성 재발성 견관절 전방탈구 환자 14명, 15례를 대상으로 하였다. 수술은 견관절 30도 외회전 및 외전 상태에서 3개의 suture anchor를 사용하여 하부 1/3 관절낭과 상부 2/3 관절낭을 견관절와경 전면부에 복원한 후 상부와 하부 관절낭을 중첩하여 봉합하는 변형된 Bankart 술식을 시행하였다. 술전 및 최종 추시 시, Rowe와 Zarins의 평가기준을 이용하여, 견관절의 기능, 동통, 안정성, 운동범위를 비교, 평가하였다. 결과: 수술 후 견관절의 운동범위는 평균 175도의 굴곡, 평균 55도의 외회전을 보였고, 굴곡은 정상에 비해 평균 2%의 감소, 외회전은 평균 7%의 감소 소견을 보였다. 견관절의 기능, 동통 및 안정성을 포함한 기능평가에서 우수가 80%, 양호가 20%였다. 수술 후 모든 환자에서 탈구나 아탈구는 없었다. 결론: 이 술식은 suture anchor를 이용하여 수술시간을 단축하는 장점이 있으며, 또한 관절낭의 적절한 긴장성을 획득하고, Bankart 병변의 견고한 복원을 얻어, 탈구나 아탈구의 재발없이 견관절 운동범위의 감소를 줄일 수 있는 유용한 방법이라고 사료된다. Purpose: The purpose of this study was to evaluate the clinical result of modified Bankart operation repairing the Bankart lesion with capsular shifting using suture anchor in traumatic recurrent anterior dislocation of shoulder joint. Materials and Methods: All of the cases were treated with modified Bankart operation. The inferior and superior capsular flaps were advanced to the anterior aspect of glenoid neck and fixed with three suture anchors in 30 degrees abduction and external rotation of shoulder joint. Especially the inferior 1/3 capsular flap was sutured over the superior 2/3 capsular flap. We used the grading system of Rowe and Zarins as measuring function, pain, stability, range of motion of shoulder joint. Result: The clinical results were excellent in 80%, good in 20%. The mean loss of motion at follow up study was 2% of flexion and 7% of external rotation. Conclusion: This operative technique is useful in repairing the Bankart lesion and gaining adequate capsular tension. And the using of suture anchor could save the operation time.
젊은 성인 한국인의 체중부하 기립상 관상면 및 시상면 하지축 정렬에 대한 측정
이승준(Seoung-Joon Lee),이호준(Ho-Joon Lee),김진일(Jin-Il Kim),오광준(Kwang-Jun Oh) 대한정형외과학회 2011 대한정형외과학회지 Vol.46 No.3
목적: 체중부하 하지축 정렬에 대한 표준 측정치를 제시하여 하지재건술 시행시 유용하게 사용하고자 한다. 대상 및 방법: 체중부하 전하지 기립상 방사선 촬영을 시행한 20~30대 환자, 총 274명(남자 147명, 여자 127명) 중 골격계 이상이 없는 환자를 대상으로 하였고, 그 중에서 방사선학적 기준에 합당한 188명에 대하여 관상면상, 시상면상 방사선학적 수치를 계측하여 연령 및 성별에 따라 비교분석하였다. 결과: 체중부하비는 관상면상에서 38.47±10.52%, 시상면상에서 36.11±7.88%로 전내측에 위치하였고, 대퇴골의 역학적축과 체중부하축은 평균 0.68±0.89°의 차이가 있어 두 축이 동일하지 않았다. 시상면상에서 대퇴골 양과가 경골 고평부와 가장 인접한 점을 슬관절 중심으로 잡았을 때 역학적축과 체중부하축의 차이는 0.04°로 두 축간에 거의 차이가 없었다. 결론: 대퇴골두 중심부터 슬관절 중심을 이은선과 슬관절 중심부터 족관절 중심을 이은 선이 이루는 역학적축과 대퇴골두 중심부터 족관절 중심을 직접 이은 체중부하축간에 차이가 있음을 알 수 있었고, 체중부하축이 슬관절면의 전내측을 통과함을 확인하였다. 시상면상 슬관절 중심을 대퇴골 양과의 경골 고평부 인접점으로 정의할 수 있었다. Purpose: The aim of this study was to establish a measurement standard for the weight-bearing axial alignment of the lower extremities when performing a lower extremity reconstruction. Materials and Methods: Among 274 patients (147 males and 127 females) in their 20s to 30s without any physical disabilities, and who had undergone weight-bearing full leg standing radiographs, 188 patients (100 males and 88 females) were examined this study. The data was analyzed further according to their age and gender using the radiographic value on the coronal and sagittal alignment of the lower extremities. Results: The weight bearing ratio was 38.47±10.52% on the coronal plane and 36.11±7.88% on the sagittal plane. Both the mechanical axis and the the weight bearing axis were not identical due to their 0.68±0.89° difference on average. The most adjacent point of the femoral condyles to the tibial plateau on the sagittal plane was assigned to the center of the knee joint. The difference between the mechanical axis and weight bearing axis was 0.04°, which was not significant. Conclusion: There is a difference between the mechanical axis, which consists of both a line from the center of the femoral head to the center of knee joint and a line from the center of the knee joint to the center of ankle joint, and the weight bearing axis, which is linked directly from the center of the femoral head to the center of the ankle joint. Furthermore, the weight bearing axis passes through the anteromedial part in the knee joint. The center of the knee joint is defined as the most adjacent point of both femoral condyle to the tibial plateau on the sagittal plane.
해부학적 내반 변형을 가진 퇴행성 슬관절염 환자에서 슬관절 전치환술 시술 시 고식적 방법과 항법장치를 이용한 삽입물 위치와 하지 정렬의 비교
양재혁 ( Jae Hyuk Yang ),이호준 ( Ho Joon Lee ),오광준 ( Kwang Joon Oh ) 대한슬관절학회 2010 대한슬관절학회지 Vol.22 No.1
Purpose: The authors sought to assess the usefulness of navigation as opposed to the conventional method by analyzing the radiographic results obtained from subjects who underwent total knee arthroplasty for knees that were accompanied with anatomic variations. Materials and Methods: The study subjects were selected from 53 patients (a total 72 cases: 43 were treated by the conventional method and 29 were treated by the navigational method) who exhibited radiographic evidence of distal femoral varus (<0˚) or proximal tibial varus (>2˚). The coronal femoral component angle (α) and the coronal tibial component angle (β) were measured, and the femoral component position in relation to the mechanical axis (θ) and the post-operative weight-bearing mechanical axis difference (MAD) were compared and analyzed. Results: The navigation method showed significant better results in terms of the α, θ and MAD (p<0.05). Among the outliers greater than 3˚, a statistically significant difference was shown only for the MAD (p=0.030). Conclusion: Navigation surgery is useful in terms of the femoral component`s position in the coronal plane and limb alignment in the osteoarthritic knee that is accompanied by distal femoral varus or proximal tibial varus.
고주파 에너지로 발생된 열을 이용한 전방십자인대 축화의 효과 - 가토를 이용한 생체 외 생역학적 실험 -
채인정(In Jung Chae),박정호(Jung Ho Park),오광준(Kwang Joon Oh),여우진(Woo Jin Yeo) 대한슬관절학회 2001 대한슬관절학회지 Vol.13 No.1
Recently, devices using radiofrequency energy have been developed for arthroscopic soft tissue ablation and shrinkage. The purpose of this study was to evaluate effect of radiofrequency energy on the biomechanical competence of thermal shrinkage of anterior cruciate ligament and was to demonstrate a new approach for radiofrequency energy, applying to ligamentous tissue in a dynamic fashion. Twelve New Zealand White rabbits, were divided into two experimental groups by right and left hindlimbs. Thermal shrinkage of the anterior cruciate ligament of rabbits produced using radiofrequency energy generator(N=12, group I). And untreated control group(N=12, group II). The percent shrinkage was calculated from the change of length of anterior cruciate ligament after radiofrequency energyinduced thermal shrinkage. The maximal tensile stress and linear stiffness of anterior cruciate ligament as biomechanical competence were assessed. The results obtained were as follows: 1. In the group I the percentage of shrinkage was 29.50Fo on the average. 2. The average of maximal tensile stress to failure was 271.24 kN in group I and 283.50 kN in group II. There was no significant difference(p=0.24) in the maximal tensile stress between two groups. 3. The average of linear stiffness in group I(179.16kN/mm) was higher than that of group II(148.20kN/ w). But there was no significant difference(p=0.078) between two groups. This study shows that radiofrequency energy appears to be safe to use on therma1 shrinkage of anterior cruciate ligament, which necessitate a mechanical tensile strength.