Abstract
Background:
The study aimed to compare the outcomes of combined calcaneocuboid arthrodesis and split anterior tibialis tendon transfer (SPLATT) procedure to isolated SPLATT surgery for the treatment of the spastic equinovarus deformity in children with cerebral palsy (CCP).
Methods:
Forty-one ambulatory CCP with 56 equinovarus feet, with positive flexor withdrawal reflex test results, were studied. The average age was 9.1 ± 3.2 years (range 3-22). Patients were assigned into 2 groups based on the surgical procedures. Patients in group 1 underwent isolated SPLATT surgery, whereas patients in group 2 underwent the SPLATT procedure combined with calcaneocuboid arthrodesis. All feet were followed for at least 12 months after surgery. Patients were evaluated preoperatively and at the most recent follow-up visit. The hindfoot positions were assessed using Chang’s criteria, the functional outcomes were assessed using Kling’s criteria, and the ambulatory levels were assessed using the Gross Motor Function Classification System (GMFCS).
Results:
Patients were followed for an average of 30.4 ± 14 (range 14-84) months. We found no difference between the groups in Chang’s scoring (P = .550), better clinical outcomes (P = .034) according to the Kling criteria in SPLATT with calcaneocuboid fusion group, and postoperative GMFCS levels better in the SPLATT with calcaneocuboid fusion group (P = .025).
Conclusion:
In this retrospective comparative study to treat children with spastic equinovarus feet, patients who had the SPLATT procedure combined with calcaneocuboid arthrodesis generally resulted in better functional outcomes compared to isolated SPLATT surgery in spastic equinovarus foot.
Level of Evidence:
Level III, retrospective cohort study.
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