Percutaneous epiphysiodesis transphyseal screw versus tension-band plating as hemiepiphysiodesis in treating coronal
Ahmed O Sabry1, Mohamed K A Genedy2,3, Salma Abouelwafa2,3
1Orthopaedic Department, Faculty of Medicine, Cairo University, El Saray Street Manial - El Manial, Cairo, 11956, Egypt. ahmed.o.sabry@kasralainy.edu.eg.
Background:
Angular knee deformities such as genu varum and genu valgum are common in children and can impact their functional mobility and quality of life. Although surgical interventions like guided growth plates or tension-band plates (TBP) and percutaneous epiphysiodesis transphyseal screws (PETS) are commonly used, comparative analyses of their efficacy and safety are limited. This study aims to evaluate the correction rates and safety profiles of TBP and PETS in treating pediatric coronal angular knee deformities.
Methods:
A comprehensive literature search was conducted in Scopus, Web of Science, and PubMed until November 2024. Only comparative clinical studies comparing PETS and TBP in pediatric patients with coronal knee deformities were included.
Results:
A total of five studies encompassing 473 physes were included. Their methodological quality was assessed using the MINORS criteria, with scores ranging from 18 to 19, indicating a low risk of bias. PETS demonstrated significantly higher correction rates compared to TBP, with an overall pooled mean difference in angular correction of 0.17°/month (p < 0.0003). In the femoral subgroup analysis (LDFA), the mean difference correction rate was 0.21°/month in favor of PETS (p = 0.01). Additionally, the PETS group achieved a statistically significant mechanical axis deviation mean difference correction rate of 1.02 mm/month (p = 0.006). Complication rates were relatively lower with PETS across all included studies.
Conclusion:
PETS achieves faster angular and mechanical axis deviation correction rates compared to TBP, highlighting its efficiency in treating pediatric coronal angular knee deformities. Additionally, PETS demonstrates relatively fewer complications, reinforcing its position as a more effective and cost-efficient option for guided growth in children.
Clinical Trial Number:
Not applicable.
Level Of Evidence:
II.
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