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Published on: September 28, 2019
Preoperative and postoperative dynamic electromyography as an aid in planning tendon transfers in children with
Insights
Electromyography guided tendon transfers effectively corrected deformities in children with cerebral palsy. This approach restored desired function in all patients within six months post-operation.
Area of Science:
- Orthopedic Surgery
- Pediatric Neurology
- Rehabilitation Medicine
Background:
- Cerebral palsy often presents with complex motor impairments, including limb deformities.
- Tendon transfers are a surgical option to address muscle imbalances in cerebral palsy.
- Accurate pre-operative assessment is crucial for successful tendon transfer outcomes.
Purpose of the Study:
- To evaluate the utility of electromyography in planning tendon transfers for pediatric cerebral palsy patients.
- To assess the effectiveness of electromyography-guided surgical interventions for specific deformities.
Main Methods:
- Electromyography (EMG) was employed to supplement clinical evaluations in 24 children with cerebral palsy.
- EMG data informed surgical planning for flexible hindfoot deformities, internal lower limb rotation, and forearm/wrist deformities.
- Surgical strategies included tendon transfers for isolated muscle activity and tendon lengthening for continuous muscle activity.
Main Results:
- Tendon transfers were performed based on specific muscle activity patterns identified by EMG.
- Tendon lengthening was utilized for muscles exhibiting continuous activity.
- All 24 patients achieved the desired functional outcome six months after surgery.
Conclusions:
- Electromyography is a valuable tool for precise pre-operative planning of tendon transfers in children with cerebral palsy.
- EMG-guided surgical interventions lead to successful functional restoration in various limb deformities associated with cerebral palsy.
Abstract:
Electromyography was used to supplement clinical evaluation in planning tendon transfers in twenty-four children with cerebral palsy. Sixteen flexible deformities of the hind part of the foot, four internally rotated lower limbs, and four flexible deformities of the forearm and wrist were studied. When deforming muscles were active exclusively in one portion of either the gait cycle or a function of an upper extremity, appropriate tendon transfers were performed. When continuous muscle activity was noted, tendon lengthening was utilized. The desired function was obtained in all twenty-four patients six months after operation.

