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KMID : 0388720170240030183
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Journal of Korean Society of Spine Surgery
2017 Volume.24 No. 3 p.183 ~ p.189
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Dual Growing Rod Treatment for Progressive Pediatric Spinal Deformity
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Choi Seung-Jin
Kim Hak-Sun
Suk Kyung-Soo
Hong Seung-Pyo
Quen He
Lee Hwan-Mo
Moon Seong-Hwan
Yang Jea-Ho
Ha Joong-Won
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Abstract
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Study Design: Retrospective study.
Objectives: To evaluate the outcomes of dual growing rod treatment over a follow-up period of at least 2 years in patients with progressive pediatric spinal deformity.
Summary of Literature Review: The dual growing rod treatment is safe and effective in curve correction and maintenance in patients with progressive pediatric spinal deformity.
Materials and Methods: Between 2009 to 2017, 14 patients who underwent dual growing rod treatment were followed up for more than 2 years. We analyzed their demographic and radiologic data, including age at surgery, sex, diagnosis, instrumented levels, number of total operations, number of lengthening procedures, interval of lengthening, Cobb angle, thoracic kyphosis angle, lumbar lordosis angle, T1-S1 length, and complications.
Results: The mean age of the patients was 11.0±2.9 years old. There were 10 male and 4 female patients, including 8 cases of neuromuscular scoliosis, 3 cases of idiopathic scoliosis, 2 cases of spondyloepiphyseal dysplasia, and 1 case of congenital scoliosis. The mean follow-up period was 42.4±14.0 months. The total number of operations was 6.6±2.6. The average number of lengthening procedures was 4.3±2.3 at an interval of 6.9±2.1 months. The Cobb angle improved from 60.4°±27.9° to 33.5°±19.7° after the initial treatment and 29.1°±16.4° after the last follow-up or final fusion. The T1-S1 length increased from 328.2±57.5 mm to 388.0±64.9 mm after the initial treatment and 424.9±64.4 mm after the last follow-up or final spinal fusion. The average growth rate was 11.5 mm/year. Six patients experienced 11 complications, of which 4 were Implant-related, and 7 were Infections.
Conclusions: The dual growing rod technique is an effective and relatively safe treatment in patients with progressive pediatric spinal deformity.
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KEYWORD
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Spinal deformity, Scoliosis, Growing rods
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