Comparative Study between Percutaneous Screw Versus 8 Plate in Management of Genu Valgum in Children

Document Type : Original Article

Authors

Orthopedic Surgery, Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt

10.21608/aimj.2025.446528

Abstract

Background: Genu valgum is a common orthopaedic problem in children. Defined as lateral mechanical axis deviation and may be physiological and pathological.
Aim: This study aimed to compare between percutaneous screw and 8 plate in management of genu valgum in kids.
Patients and methods: This prospective investigation included 20 cases with genu valgum coming to outpatient clinic of AL-Azhar university hospital (Al Hussien and Sayed Galal Hospital) Between a duration of February 2024 to February 2025.
Results: The 8-plate group demonstrated a significantly higher mean correction rate p = 0.004 and a longer implant duration p = 0.047 compared to the percutaneous screw group. While the initial IMD was slightly higher in the 8-plate group p = 0.094, the final IMD reduction was significantly greater in the 8-plate group p < 0.001, indicating superior correction. However, 20% of cases in the 8-plate group experienced correction failure, whereas no failures occurred in the screw group. Implant migration was absent in both groups, and a single infection (10%) occurred in the screw group, with no significant distinction compared to the 8-plate group (p > 0.05).
Conclusion: Both the Percutaneous Screw and 8-Plate techniques show similar results in terms of demographic and clinical characteristics, but the 8-Plate technique has a higher correction rate and smaller final intermalleolar distance, indicating superior deformity correction. Both techniques have a low incidence of complications, with the 8-Plate group having a slightly higher risk of failure, overcorrection, and infection.

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