International Journal of Clinical Research

Objective To explore the clinical efficacy of locked posterior foot fusion intramedullary nails (TRIGEN) in treating equinovarus deformity due to cerebral palsy sequelae. Methods A follow-up study was conducted on 12 cases treated with locked posterior foot fusion intramedullary nails from January 2019 to December 2024, including 7 males and 5 females; ages ranged from 18 to 32 years (22.5±4.2). Postoperative X-rays and three-dimensional CT scans were observed at 1, 6, 12, and 18 months, along with AOFAS and Maryland scores for the ankle joint to evaluate foot and ankle function. Results Follow-up duration was 6 to 18 months (9.5±3.2). At the last follow-up, all ankle joints had fused, and limping improved, with excellent rates of AOFAS and Maryland scores being 81% (9/12) and 84% (10/12), respectively. There were significant differences in AOFAS and Maryland scores between preoperative and postoperative times (F<0.001). In addition, all patients showed a statistically significant improvement in SF-36 scores at 18 months after surgery compared with preoperative scores (F<0.001). Conclusion The use of locked posterior foot fusion intramedullary nails for treating equinovarus deformity due to cerebral palsy sequelae results in satisfactory correction, stable fixation, minimal trauma, early mobilization, and effective improvement in walking ability.

Varus foot; Ankle joint; Fusion