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World Neurosurg ; 2020 Apr 03.
Artigo em Inglês | MEDLINE | ID: mdl-32251829

RESUMO

OBJECTIVE: To evaluate the safety and efficacy of posterior-only surgical correction with heavy halo-femoral traction for the treatment of severe and rigid congenital scoliosis (SRCS) associated with tethered spinal cord (TSC) and type II split cord malformation (SCM). METHODS: Thirteen patients with SRCS associated with TSC and type II SCM underwent posterior-only surgical correction with heavy halo-femoral traction. The preoperative mean coronal Cobb angle was 88.87° ± 12.15°; the mean flexibility was 15.28% ± 3.88%; and the mean angle of thoracic kyphosis and lumbar lordosis was 39.63° ± 18.47° and 56.99° ± 10.02°, respectively. RESULTS: The mean duration of surgery was 320 ± 43.64 minutes and the mean blood loss was 1422.31 ± 457.59 mL. The mean follow-up period was 24.46 ± 7.53 months. After heavy halo-femoral traction, the mean coronal Cobb angle was reduced to 59.14° ± 8.75°. After posterior-only surgical correction, postoperative mean coronal Cobb angle was further reduced to 33.85° ± 8.77°. The postoperative mean correction rate was 62.46% ± 5.04%. The postoperative mean angle of thoracic kyphosis and lumbar lordosis was 29.31° ± 6.75° and 47.79° ± 3.68°, respectively. At the final follow-up, the corrective loss rate of Cobb angle was only 0.69%. There were no significant differences between final follow-up and preoperative modified Japanese Orthopaedic Association total scores. The Scoliosis Research Society-22 total score improved at the final follow-up evaluation compared with the preoperative total score. CONCLUSIONS: Without prophylactic neurosurgical intervention and spine-shortening osteotomy, posterior-only surgical correction with heavy halo-femoral traction could be safe and effective for the treatment of SRCS associated with TSC and type II SCM.

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