Abstract:
:Postlumbar laminectomy syndrome, or pain following operative procedures of the lumbar spine, is increasingly a common entity in modern medicine. Multiple causes proposed for recurrence of pain after lumbar laminectomy are: epidural fibrosis, recurrent disc herniation, instability, and facet joints. Even though the prevalence of persistent low back pain secondary to the involvement of lumbosacral facet joints has been described in controlled studies from 15% to 45%, the prevalence of facet joint mediated pain in postlumbar laminectomy syndrome has not been studied. This prospective, randomized, controlled comparative evaluation was performed to determine the prevalence of facet joint mediated pain in persistent low back pain in postlumbar laminectomy patients with a comparative non-surgical group. One hundred patients with fifty patients in each group were randomly assigned with group I consisting of fifty patients without history of previous surgery and group II consisting of fifty patients with history of previous surgery. Results showed that the prevalence of facet joint mediated pain in non-surgical patients was 44% compared to 32% in post surgical patients determined by comparative controlled local anesthetic blocks utilizing lidocaine and bupivacaine. This study also showed a false positive rate of 36% in non-surgical group and 24% in post-surgical group. In conclusion, this study shows that facet joint mediated symptomatology in chronic low back pain is prevalent, both in non-surgical as well as post-surgical patients even though prevalence was somewhat higher in the non-surgical group compared to post-surgical group.
journal_name
Pain Physicianjournal_title
Pain physicianauthors
Manchikanti L,Pampati V,Baha AG,Fellows B,Damron KS,Barnhill RCsubject
Has Abstractpub_date
2001-04-01 00:00:00pages
175-80issue
2eissn
1533-3159issn
2150-1149journal_volume
4pub_type
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