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Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_3 | Pages 113 - 113
1 Jan 2016
Park SE Lee SH Jeong SH
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Background

High tibial osteotomy is a common procedure to treat symptomatic osteoarthritis of the medial compartment of the knee with varus alignment. This is achieved by overcorrecting the varus alignment to 2–6° of valgus. Various high tibial osteotomy techniques are currently used to this end. Common procedures are medial opening wedge and lateral closing wedge tibial osteotomies. The lateral closing wedge technique is a primary stable correction with a high rate of consolidation, but has the disadvantage of bone loss and change in tibial condylar offset. The medial opening wedge technique does not result in any bone loss but needs to be fixated with a plate and may cause tibial slope and medial collateral ligament tightening.

Purpose

The purpose of this article is to examine correlation between femoral rotational angle and subjective satisfaction of high tibial osteotomy outcome of the range of motion of knee joint.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_3 | Pages 120 - 120
1 Jan 2016
Park SE Lee SH Jeong SH
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The acetabular labrum serves many integral functions within the hip joint. As a result, novel surgical techniques that aim to preserve or reconstruct the labrum have entered the spotlight. We have successfully performed a labral reconstruction using the quadriceps tendon as an autograft for a patient with a moderate labral defect. The purpose of this report is to propose this novel donor site as a viable alternative for labral reconstruction using an autograft; the potential benefits over currently popular methods will be discussed.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_3 | Pages 118 - 118
1 Jan 2016
Park SE Lee SH Jeong SH
Full Access

Background

Recent studies reported that the kinematic alignment of an implant is more physiological than the traditional methods, and therefore results in better clinical outcomes. They found that for kinematic alignment of the implant, the femoral component should be positioned valgus 2 degrees and tibial component in varus 2 degrees without femoral rotation. Other study also claimed that kinematically aligned TKA does not cause any significant failure; rather, it restores the function of the knee. Therefore kinematic alignment was raised for further patient's functional satisfaction.

Purpose

The purpose of our study is to certify correlation between parameters of implant position and postoperative clinical outcomes after kinematic alignment of TKA.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_3 | Pages 121 - 121
1 Jan 2016
Park SE Lee SH Jeong SH
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Background

It is still controversial whether “labral tear” in the pelvis or “pincer type's femoroacetabular impingement syndrome” should be considered a pathologic lesion, and whether they cause the early onset of osteoarthritis in the pelvis.

Hypothesis

The disruption of chondrolabral junction causes degenerative change on hip joint, and the disruption of the vessel tissue to the labrum induces the rapidly progressive degeneration of outside in osteoarthritis changes.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_15 | Pages 62 - 62
1 Mar 2013
Eun SS Lee WC Lee SH Il Hwang Y
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The purpose of this study was to obtain anatomical measurements of the distal tibia and talus of Korean ankles and to evaluate, based on those measurements, the compatibility of the HINTEGRA prostheses in the context of total ankle replacement (TAR). We measured the length, width, height, and angles of the distal tibia and talus of 51 cadavers and compared these measurements with the corresponding dimensions of the HINTEGRA prostheses. The male ankles were larger than the female ones as was expected, but their overall shapes did not differ, which fact validates use of the prostheses irrespective of patients' sex. The dimensions of the talus itself did not differ significantly from those previously reported for American whites and blacks and South African whites. This might suggest a possibility that the HINTEGRA prostheses, being used in these countries, would be compatible to Korean ankles, too. In fact, the length range of the talar components was generally compatible with those derived from cadaveric measurements of the trochlea. However, the widths of the tibial and talar components were not completely compatible to Korean ankles. Above all, the length of the large-sized tibial components was much longer than the largest ankles, which would confine the choice of prosthesis mainly to small-sized ones for arthroplasty in Korea. Even though these prostheses are currently used, some modifications are needed to extend their usability in Korea, such as shortening and width/length ratio adjustment of the tibial component, and of the talar component accordingly.