Decompression Treatment of Arnold-chiar Malformation of Posterior Cranial Fossa

Objective To explore the nosogenesis of Arnold chiari malformation and the therapeutic effect of the iateria of Posterior fossa decompression.Methods Review the Arnold chiari malformation patients who accept therapy in my department from 1995 to 2004,appreciation the therapeutic effect of patients who accept the therapeutics of Posterior fossa decompression.Results The follow-up period range from 3 to 58 months,25 patients experienced good clinical outcomes with symptom relief.Conclusion Posterior fossa decompression is effective in treating Arnold chiari malformation,and it is considered that the method of Posterior fossa decompression can be used as the first choice of surgical treatment.