Article

Rectus femoris transfer surgery is a common treatment for stiff knee gait in
children with cerebral palsy. Unfortunately, the improvement in knee motion after
surgery is inconsistent. There is great interest in understanding the causes of
stiff knee gait and determining predictors of improved knee motion after surgery.
This study demonstrates that it is possible to predict whether or not a patient's
knee motion will improve following rectus femoris transfer surgery with greater
than 80% accuracy. A predictive model was developed that requires only a few
preoperative gait analysis measurements, already collected as a routine part of
treatment planning. Our examination of 62 patients before and after rectus
femoris transfer revealed that a combination of hip power, knee power, and knee
flexion velocity at toe-off correctly predicted postoperative outcome for 80% of
cases. With the addition of two more preoperative measurements, hip flexion and
internal rotation, prediction accuracy increased to nearly 88%. Other
combinations of preoperative gait analysis measurements also predicted outcomes
with high accuracy. These results provide insight into factors related to
positive outcomes and suggest that predictive models provide a valuable tool for
determining indications for rectus femoris transfer.
- IMC
- Raideur du genou

Langue : ANGLAIS