Lise A. Leveille
MD
Investigator, BC Children's Hospital
Bogdan Y and Tornetta P and Einhorn TA and Guy P and Leveille L and Robinson J and Bosse MJ and Haines N and Horwitz D and Jones C and Schemitsch E and Sagi C and Thomas B and Stahl D and Ricci W and Brady M and Sanders D and Kain M and Higgins TF and Collinge C
DOI: 10.1097/bot.0000000000000516 PubMed: 2670981404 / 2016
Hesketh K and Leveille L and Mulpuri K
DOI: 10.1097/bpo.0000000000000485 PubMed: 2684963603 / 2016
Reilly CW and McEwen JA and Leveille L and Perdios A and Mulpuri K
DOI: 10.1097/bpo.0b013e31819bcd14 PubMed: 19305279Leveille LA and Clement DB
DOI: 10.1097/jsm.0b013e3181845f35 PubMed: 1880655609 / 2008
Growth modulation uses a small surgical implant to tether one side of the growth plate allowing us to harness the power of the growth for deformity correction. As popularity for this procedure has grown, it has been used in progressively younger patients. This results in deformity correction being achieved prior to skeletal maturity, requiring removal of the surgical impact to prevent over correction. Once the tether has been removed, growth resumes and there is potential for rebound deformity. Accurate timing of initial intervention with growth modulation and timing of implant removal is unclear. The purpose of this research is to determine the frequency and magnitude of rebound deformity after growth modulation.
Crouch gait is part of the natural history of gait pattern change over time in children with spastic diplegia. This has been attributed to changes in strength to mass ratio with the adolescent growth spurt, progressive lever arm dysfunction, and iatrogenic weakening of the soleus with tendo Achilles lengthening. The relative importance of each of these factors is uncertain. The purpose of this project is to determine the impact of orthopaedic surgical intervention on progression to crouch gait in children with spastic diplegia.
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