지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.9
- 수록면
- 151 - 157 (7page)
이용수
초록· 키워드
오류제보하기
Background: Nonunion of lateral humeral condyle fracture causes cubitus valgus deformity. Although corrective osteotomy or osteosynthesis can be considered, there are controversies regarding its treatment. To evaluate elbow joint biomechanics in non-united lateral humeral condyle fractures, we analyzed the motion of elbow joint and pseudo-joint via in vivo three-dimensional (3D) kinematics, using 3D images obtained by computed tomography (CT) scan.
Methods: Eight non-united lateral humeral condyle fractures with cubitus valgus and 8 normal elbows were evaluated in this study. CT scan was performed at 3 different elbow positions (full flexion, 90° flexion and full extension). With bone surface model, 3D elbow motion was reconstructed. We calculated the axis of rotation in both the normal and non-united joints, as well as the rotational movement of the ulno-humeral joint and pseudo-joint of non-united lateral condyle in 3D space from full extension to full flexion.
Results: Ulno-humeral joint moved to the varus on the coronal plane during flexion, 25.45° in the non-united cubitus valgus group and -2.03° in normal group, with statistically significant difference. Moreover, it moved to rotate externally on the axial plane -26.75° in the non-united cubitus valgus group and -3.09° in the normal group, with statistical significance. Movement of the pseudo-joint of fragment of lateral condyle showed irregular pattern.
Conclusions: The non-united cubitus valgus group moved to the varus with external rotation during elbow flexion. The pseudo-joint showed a diverse and irregular motion. In vivo 3D motion analysis for the non-united cubitus valgus could be helpful to evaluate its kinematics.
Methods: Eight non-united lateral humeral condyle fractures with cubitus valgus and 8 normal elbows were evaluated in this study. CT scan was performed at 3 different elbow positions (full flexion, 90° flexion and full extension). With bone surface model, 3D elbow motion was reconstructed. We calculated the axis of rotation in both the normal and non-united joints, as well as the rotational movement of the ulno-humeral joint and pseudo-joint of non-united lateral condyle in 3D space from full extension to full flexion.
Results: Ulno-humeral joint moved to the varus on the coronal plane during flexion, 25.45° in the non-united cubitus valgus group and -2.03° in normal group, with statistically significant difference. Moreover, it moved to rotate externally on the axial plane -26.75° in the non-united cubitus valgus group and -3.09° in the normal group, with statistical significance. Movement of the pseudo-joint of fragment of lateral condyle showed irregular pattern.
Conclusions: The non-united cubitus valgus group moved to the varus with external rotation during elbow flexion. The pseudo-joint showed a diverse and irregular motion. In vivo 3D motion analysis for the non-united cubitus valgus could be helpful to evaluate its kinematics.
목차
Introduction
Methods
Results
Discussion
Conclusion
References
참고문헌 (30)
참고문헌 신청
[학술지(정기간행물)] - Morrey BF / 1976 / Passive motion of the elbow joint / J Bone Joint Surg Am 58 (4) : 501 ~ 508
[학술지(정기간행물)] - McDonald CP / 2012 / Measuring dynamic invivo elbow kinematics: description of technique and estimation of accuracy / J Biomech Eng 134 (12) : 124502 ~
[학술지(정기간행물)] - Bottlang M / 2000 / Assessment of elbow joint kinematics in passive motion by electromagnetic motion tracking / J Orthop Res 18 (2) : 195 ~ 202
[학술지(정기간행물)] - 김유진 / 2014 / In vivo 3D Kinematics of Axis of Rotation in Malunited Monteggia Fracture Dislocation / 대한 견주관절 학회지 17 (1) : 25 ~ 30
[학술지(정기간행물)] - Kim E / 2012 / Three-dimensional analysis of acute plastic bowing deformity of ulna in radial head dislocation or radial shaft fracture using a computerized simulation system / J Shoulder Elbow Surg 21 (12) : 1644 ~ 1650
[학술지(정기간행물)] - McDonald CP / 2012 / Measuring dynamic invivo elbow kinematics: description of technique and estimation of accuracy / J Biomech Eng 134 (12) : 124502 ~
[학술지(정기간행물)] - Bottlang M / 2000 / Assessment of elbow joint kinematics in passive motion by electromagnetic motion tracking / J Orthop Res 18 (2) : 195 ~ 202
[학술지(정기간행물)] - 김유진 / 2014 / In vivo 3D Kinematics of Axis of Rotation in Malunited Monteggia Fracture Dislocation / 대한 견주관절 학회지 17 (1) : 25 ~ 30
[학술지(정기간행물)] - Kim E / 2012 / Three-dimensional analysis of acute plastic bowing deformity of ulna in radial head dislocation or radial shaft fracture using a computerized simulation system / J Shoulder Elbow Surg 21 (12) : 1644 ~ 1650
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UCI(KEPA) : I410-ECN-0101-2018-514-003398172