Related Experiment Video
Updated: Aug 8, 2026

03:56
A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy
Published on: September 13, 2022
A comparison of discectomy and chemonucleolysis
Clinical Orthopaedics and Related Research
|November 1, 1985
Summary
Comparing discectomy and chemonucleolysis for herniated nucleus pulposus (HNP) causing sciatica shows similar success rates. Chemonucleolysis offers reduced hospitalization and avoids postoperative fibrosis.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Pain Management
Background:
- Unremitting sciatica due to herniated nucleus pulposus (HNP) necessitates effective treatment.
- Comparing surgical discectomy with chemonucleolysis is crucial for patient outcomes.
Purpose of the Study:
- To compare the effectiveness of discectomy versus chemonucleolysis for treating HNP causing sciatica.
- To evaluate patient selection, technical execution, and follow-up in treatment success.
Main Methods:
- Review of eight patient series comparing discectomy and chemonucleolysis.
- Assessment of success rates based on proper patient selection, technique, and follow-up.
Main Results:
- Similar overall success rates were achieved with both discectomy and chemonucleolysis.
- Chemonucleolysis demonstrated decreased hospitalization time and morbidity.
- Absence of postoperative fibrosis is a significant advantage of chemonucleolysis.
Conclusions:
- Both discectomy and chemonucleolysis can yield similar success rates for HNP with sciatica when properly applied.
- Chemonucleolysis presents advantages including reduced recovery time and avoidance of surgical fibrosis.
- Chymopapain potency is a key factor for successful chemonucleolysis outcomes.

