Abstract:
:A retrospective analysis of 50 consecutive patients treated with chemonucleolysis and 50 treated with microlumbar discectomy was carried out. Similar clinical criteria for the diagnosis of "virgin" herniated lumbar discs were used. All patients had low back or radicular pain unrelieved by a minimum of 4 weeks of conservative therapy. Physical findings included a positive straight leg raising sign, weakness of the appropriate muscle groups, and a sensory loss or evidence of depressed reflexes. All had myelograms or computed tomographic scans demonstrating an extradural defect. Compensation cases were eliminated. Results demonstrated a 90% marked improvement in the microdiscectomy category and a 58% marked improvement in the chemonucleolysis group. Four per cent of the microdiscectomy patients were unimproved, and 18% of the chemonucleolysis group required a subsequent surgical procedure. The average postoperative hospital stay was 3 days for both groups. Because of the necessity for reoperations in the chemonucleolysis group, chemonucleolysis seemed less cost-effective than microdiscectomy.
journal_name
Neurosurgeryjournal_title
Neurosurgeryauthors
Maroon JC,Abla Adoi
10.1227/00006123-198505000-00010subject
Has Abstractpub_date
1985-05-01 00:00:00pages
644-9issue
5eissn
0148-396Xissn
1524-4040journal_volume
16pub_type
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