High Tibial Osteotomy (HTO) is an established treatment for unicompartmental osteoarthritis of the knee with malalignment. The classic procedure for correcting varus deformity is the lateral closed wedge osteotomy of the tibia with osteotomy of the fibula. The disadvantages of this technique are well known. Open wedge osteotomy from the medial side eliminates the risk of compartment syndrome and peroneal nerve injuries. A new fixation device (TomoFix) with an adapted surgical technique allows stable fixation of the osteotomy without the need to fill the osteotomy gap with bone grafts. In a prospective study, 92 consecutive cases were treated with this procedure. Bony healing with remodelling of the medial and posterior cortical bone was observed. Full weight-bearing was possible ten weeks after surgery. There were no implant failures. Complications included one delayed union, two revarisations and one deep infection.
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Purpose: Hinge fractures show a relatively high incidence in varus and valgus distal femoral osteotomy (DFO) and can lead to delayed- or non-union. Another observed complication of a hinge fracture is an unintentional change of the postoperative femoral torsion of up to + 9.5° in conventionally performed DFO.
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Orthopedics, Seoul National University Bundang Hospital, Seongnam, Korea (the Republic of).
Categorization of alignment into phenotypes can be useful for predicting and analyzing postoperative alignment changes after opening-wedge high tibial osteotomy (OWHTO). The purposes of this study were (1) to develop a machine learning model for the predicting the Coronal Plane Alignment of the Knee (CPAK) phenotypes of final alignment after OWHTO, and (2) to analyze predictive factors for final alignment phenotypes. Data were retrospectively collected from 163 knees that underwent OWHTO between March 2014 and December 2019.
View Article and Find Full Text PDFBioabsorbable magnesium-based bulk metallic glass composite (BMGC) for improved medial opening wedge high tibial osteotomy in knee osteoarthritis.
J Orthop Translat
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Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 6F Biomedical Technology Building, No. 301, Yuantong Rd., Zhonghe Dist., New Taipei City, 23564, Taiwan.
Background And Objective: Osteoarthritis is a widespread and debilitating condition, particularly affecting the medial compartment of knee joint due to varus knee deformities. Medial opening wedge high tibial osteotomy (MOWHTO) has emerged as an effective treatment, but it comes with challenges like fractures, correction loss, and nonunion, leading to unsatisfactory results in up to 26 % of patients. In response, our study explores the potential of a bioabsorbable magnesium-based bulk metallic glass composite (MgZnCa BMGC) enriched with molybdenum particles as an innovative solution for MOWHTO.
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View Article and Find Full Text PDFEvaluation of tension-band osteosynthesis for cubitus varus deformity in pediatric patients: A retrospective review.
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Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Viet Nam.
Purpose: This study aims to evaluate the effectiveness and safety of lateral closing wedge osteotomy with tension-band wire fixation for correcting cubitus varus deformity in pediatric patients. The primary objective was to assess the bone union rate, functional outcomes, and potential complications associated with this surgical approach.
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