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1.
J Neurosurg Pediatr ; : 1-8, 2024 Jun 14.
Article in English | MEDLINE | ID: mdl-38875723

ABSTRACT

OBJECTIVE: Selective dorsal rhizotomy (SDR) is a neurosurgical procedure to reduce spasticity in children with cerebral palsy and spastic diplegia. The authors developed a procedure called focal SDR for children with spasticity predominantly in the L5 or S1 motor distribution, which can be combined with orthopedic correction of fixed soft-tissue or bony deformity. The authors describe in detail the technique of minimally invasive focal SDR and propose selection criteria. METHODS: The authors conducted a retrospective study of patients who underwent focal SDR at their institution and underwent baseline and 1-year postoperative 3D gait analysis. Modified Ashworth scale (MAS) and Gait Deviation Index (GDI) scores were the primary outcome measures. RESULTS: Ten patients met the study criteria, all with an underlying diagnosis of cerebral palsy. All underwent focal SDR at the unilateral or bilateral S1 level, and 4 additionally underwent focal SDR at the L5 level unilaterally or bilaterally. All but 1 patient underwent concurrent orthopedic surgery. The improvement in spasticity of the plantar flexors, as measured by the MAS score, was 2.2 (p < 0.001). In the patients who underwent L5 focal SDR, there was an improvement in the hamstring MAS score of 1.4 (p = 0.004). The mean improvement in the GDI score following focal SDR was 11 (range -6 to 29, p < 0.001). CONCLUSIONS: Focally impairing spasticity in the gastrocsoleus complex and/or hamstrings muscle group in the setting of less functionally impactful proximal tone is extremely common in cerebral palsy. The novel technique of focal SDR, combined with orthopedic intervention, improves spasticity scores and overall gait mechanics. Further investigation is warranted to define the ideal candidacy and outcomes.

3.
Semin Plast Surg ; 30(1): 24-8, 2016 Feb.
Article in English | MEDLINE | ID: mdl-26869860

ABSTRACT

Botulinum neurotoxin (BoNT) is one of the mainstays in the treatment of pediatric spasticity and dystonia. When considering initiation of BoNT treatment for spasticity, treatment goals and responses to prior conservative measures such as passive range of motion exercises, splinting, and other medication trials should be reviewed. As a general rule, children should be engaged in therapy services around the time of the injections and have a robust home program in place. When managing spasticity in children with BoNT injections, the practitioner should be well versed in functional anatomy with specialized training in injection techniques. Localization techniques in addition to anatomical landmarks are recommended for improved efficacy and include limited electromyography, electrical stimulation, and/or ultrasound guidance. A follow-up visit for the purpose of reassessment during the peak effect of the drug is advised. It is known that BoNT is effective at reducing spasticity and improving range of motion, but it remains to be determined to what degree this translates into improved function, activity, and participation.

4.
PM R ; 5(11): 957-63, 2013 Nov.
Article in English | MEDLINE | ID: mdl-24247014

ABSTRACT

The purpose of this focused review is to provide an overview of neuromuscular scoliosis from the perspective of the rehabilitation physician. Scoliosis is a common consequence of neuromuscular diseases, including central nervous system disorders such as cerebral palsy and spinal cord injury; motor neuron disorders, for example, spinal muscular atrophy; muscle fiber disorders, for example, Duchenne muscular dystrophy; multifactorial disorders, for example, spina bifida; and many other neuropathic and myopathic conditions. Unlike adolescent idiopathic scoliosis, which is the most common form of spinal deformity, neuromuscular scoliosis is more severe and more progressive, and is associated with more morbidity. Factors that contribute to this spinal deformity include asymmetric paraplegia, imbalance of mechanical forces, intraspinal and congenital anomalies of the spine, altered sensory feedback, and abnormal posture via central pathways. Spinal deformity combined with limitations due to an underlying neuromuscular condition lead to significant physiologic impairments that affect limb movement, cardiopulmonary function, gait, standing, sitting, balance, trunk stability, bimanual activities, activities of daily living, and pain, as well as concerns with self-image and social interactions. Evaluation and management of this population requires understanding of disease progression, pulmonary status, functional limitations, indications for conservative and surgical interventions, and social considerations.


Subject(s)
Neuromuscular Diseases/physiopathology , Neuromuscular Diseases/rehabilitation , Scoliosis/physiopathology , Scoliosis/rehabilitation , Body Image , Disability Evaluation , Disease Progression , Humans , Neuromuscular Diseases/psychology , Scoliosis/psychology
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