Protective Lateral Hinge Wire in Opening Wedge High Tibial Osteotomy, Does gap size matter? | ||||
| Zagazig University Medical Journal | ||||
| Article 15, Volume 31, Issue 2, February 2025, Page 714-723 PDF (905.64 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/zumj.2024.336792.3689 | ||||
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| Authors | ||||
Sherif M Elaidy  1; Mohamed Abdallah Esawy 2; Mohsen Fawzy Omar1
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| 1Assistant professor, Department of Orthopaedics and Trauma Surgery, Faculty of Medicine, Zagazig University, Egypt | ||||
| 2Lectuerer, Department of Orthopaedics and Trauma Surgery, Faculty of Medicine, Zagazig University, Egypt) | ||||
| Abstract | ||||
| A retrospective study was conducted on 54 knees that underwent medial opening wedge high tibial osteotomy (MOWHTO) between 2021 and 2023 in Zagazig University hospitals. During each procedure, a protective wire was placed across the LH point before osteotomy. Patients were categorized into two groups based on wedge gap measures: Group І (gap <10 mm) and Group Ⅱ (gap ≥10 mm). Lateral hinge fractures (LHF) and wound complications were documented. Preoperative and postoperative evaluations at 6 months and 12 months included the Knee Society Knee score (KSKS) and Function Scores (KSFS), the Oxford Knee Score (OKS), and Health Survey short form questionnaire summary (SF-36) for the Physical (PCS) and Mental components (MCS). Results: The LHF incidence was relatively low in both groups, with group І having one case (3.7%) and group Ⅱ having 2 cases (7.4%). Each group experienced a single case of intraoperative LHF, both were type I. Postoperative fracture was discovered only in group Ⅱ (1 case). At the six-month mark, group І demonstrated better clinical scores than group Ⅱ, in KSKS (86.8± 16.8 vs. 74.2 ± 21.4, P = 0.029), the KSFS (74.6 ± 17.6 vs. 64.2 ± 20.6, P = 0.048), Oxford Knee Scores (37.8±8.9 vs. 34±8.7, P = 0.009), the PCS (67.9 ± 9.2 vs. 61.3 ± 11, P = 0.019 ), and MCS (70.3 ± 9.3 vs 65.8 ± 16.6, P =0.310). On the other hand, comparable clinical scores between the two groups were recorded at the 12-month follow-up (P > 0.05). | ||||
| Keywords | ||||
| Protective Wire; Lateral Hinge fractures; Opening Wedge High Tibial Osteotomies | ||||
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