Predictors of successful outcome for lumbar chemonucleolysis: analysis of 3000 cases during the past 14 years.

OBJECTIVE Among numerous minimally invasive procedures for the treatment of herniated lumbar disc disease (HLD), chymopapain chemonucleolysis has the longest history of clinical usage. Long-term studies indicated good clinical results with a low risk for patients. However, much confusion still remains about the indications. This study was conducted to… (More)