Surgical treatment of scoliosis associated with Chiari malformation / 中国矫形外科杂志

ABSTRACT

[Objective]To discuss the diagnosis and treatment method of scoliosis associated with Chiari malformation.[Method]Twelve patients were suffered from scoliosis associated with Chiari malformation,in which there were 7 patients also complicated with syringomyelia.Firstly,posterior suboccipital craniectomy to enlarge foramen occipital magnum was performed,then the patients underwent the scoliosis correction with instrumentation.[Result]Preoperatively,the mean Cobbs angle on the coronal plane was 71?,and 24? postoperatively,with an average correction of 66%.During a follow-up from 1 year to 4 years,there were no release of the hook,no breaking of pedicle screw,no false articulation and no new nervous lesion,while few improving was found about the sensory disability and superficial abdominal hyporeflexia.[Conclusion]We should first consummate the examination and make a definite diagnosis for the patients who were suffered from scoliosis associated with Chiari malformation and syringomyelia;posterior suboccipital craniectomy to enlarge foramen occipital magnum or syrinx-subarachnoid space shunting should be performed firstly to reduce nervous lesion during scoliosis correction surgery.