Abstract:
BACKGROUND:Therapeutic selective nerve root blocks (SNRBs) are a common intervention for patients with sciatica. Patients often are referred to physical therapy after SNRBs, although the effectiveness of this intervention sequence has not been investigated. OBJECTIVE:This study was a preliminary investigation of the effectiveness of SNRBs, with or without subsequent physical therapy, in people with low back pain and sciatica. DESIGN:This investigation was a pilot randomized controlled clinical trial. SETTING:The settings were spine specialty and physical therapy clinics. PARTICIPANTS:Forty-four participants (64% men; mean age=38.5 years, SD=11.6 years) with low back pain, with clinical and imaging findings consistent with lumbar disk herniation, and scheduled to receive SNRBs participated in the study. They were randomly assigned to receive either 4 weeks of physical therapy (SNRB+PT group) or no physical therapy (SNRB alone [SNRB group]) after the injections. INTERVENTION:All participants received at least 1 SNRB; 28 participants (64%) received multiple injections. Participants in the SNRB+PT group attended an average of 6.0 physical therapy sessions over an average of 23.9 days. MEASUREMENTS:Outcomes were assessed at baseline, 8 weeks, and 6 months with the Low Back Pain Disability Questionnaire, a numeric pain rating scale, and the Global Rating of Change. RESULTS:Significant reductions in pain and disability occurred over time in both groups, with no differences between groups at either follow-up for any outcome. Nine participants (5 in the SNRB group and 4 in the SNRB+PT group) underwent surgery during the follow-up period. LIMITATIONS:The limitations of this study were a relatively short-term follow-up period and a small sample size. CONCLUSIONS:A physical therapy intervention after SNRBs did not result in additional reductions in pain and disability or perceived improvements in participants with low back pain and sciatica.
journal_name
Phys Therjournal_title
Physical therapyauthors
Thackeray A,Fritz JM,Brennan GP,Zaman FM,Willick SEdoi
10.2522/ptj.20090260subject
Has Abstractpub_date
2010-12-01 00:00:00pages
1717-29issue
12eissn
0031-9023issn
1538-6724pii
ptj.20090260journal_volume
90pub_type
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