Abstract
A retrospective review was performed of 32 cases of failed back surgery syndrome from 1993 to 1997, to analyze the reasons for failure at primary discectomy, the outcome of the revisions-there were 5 female and 27 male patients, with an average age of 46 years (range 20-80 years) at the time of operation and failed back, and factors that influenced those outcomes.
The same level and side as first operation is most of revisions. The reasons for failure was true recurrence, new herniation, left herniation, instability and psychogenic. True recurrence is most in them. By Hirabayashi evaluation way, good to excellent results of non-complained was obtained is 76.5%. But excellent results of complained were not, and good results were in 60%. In revisions the number of male is more than of female.
The same level and side as first operation are number of cases. The reasons for failure were true recurrence, new herniation, left herniation, instability and psychogenic.
