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01.12.2015 | Research article | Ausgabe 1/2015 Open Access

BMC Musculoskeletal Disorders 1/2015

Short-term effect on pain and function of neurophysiological education and sensorimotor retraining compared to usual physiotherapy in patients with chronic or recurrent non-specific low back pain, a pilot randomized controlled trial

Zeitschrift:
BMC Musculoskeletal Disorders > Ausgabe 1/2015
Autoren:
Philipp Wälti, Jan Kool, Hannu Luomajoki
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​s12891-015-0533-2) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

PW, HL and JK developed the study protocol, PW coordinated the study, treated patients in the multimodal treatment group and performed the statistical analysis. All authors read and approved the final manuscript.

Authors’ information

Philipp Waelti is a physiotherapist specialized in the treatment of chronic pain, especially in the care management of cNSLBP. He has a postgraduate diploma in orthopaedic manipulative therapy and has recently completed his master’s degree in physiotherapy science. Hannu Luomajoki is a professor and lecturer in physiotherapy and an expert in physiotherapy science regarding low back pain. Jan Kool is specialized in low back pain research at the Rehabilitation Centre in Valens and teacher at the Institute of Physiotherapy, School of Health Professions, Zurich University of Applied Sciences, Winterthur, Switzerland.

Abstract

Background

Non-specific chronic low back pain (NSCLBP) is a major health problem. Identification of subgroups and appropriate treatment regimen was proposed as a key priority by the Cochrane Back Review Group. We developed a multimodal treatment (MMT) for patients with moderate to severe disability and medium risk of poor outcome. MMT includes a) neurophysiological education on the perception of pain to decrease self-limitation due to catastrophizing believes about the nature of NSCLBP, b) sensory training of the lower trunk because these patients predominantly show poor sensory acuity of the trunk, and c) motor training to regain definite movement control of the trunk.
A pilot study was conducted to investigate the feasibility of MMT, prior to a larger RCT, with focus on patients’ adherence and the evaluation of short-term effects on pain and disability of MMT when compared to usual physiotherapy.

Method

We conducted a randomised controlled trial (RCT) in a primary care physiotherapy centre in Switzerland. Outcome assessment was 12 weeks after baseline. Patients with NSCLBP, considerable disability (five or more points on the Roland and Morris Disability Questionnaire (RMDQ) and medium or high risk of poor outcome on the Keele Start Back Tool (KSBT) were randomly allocated to either MMT or usual physiotherapy treatment (UPT) by an independent research assistant. Treatment included up to 16 sessions over 8 to 12 weeks. Both groups were given additional home training of 10 to 30 minutes to be performed five times per week. Adherence to treatment was evaluated in order to assess the feasibility of the treatment. Assessments were conducted by an independent blinded person. The primary outcome was pain (NRS 0-10) and the secondary outcome was disability (RMDQ). Between-group effects with Student’s t-test or the Mann-Whitney U test and the standardized mean difference of the primary outcome were calculated.

Results

Twenty-eight patients (46% male, mean age 41.5 years (SD 10.6)) were randomized to MMT (n = 14) or UPT (n = 14). Patients’ adherence to treatment was >80% in both groups. Pain reduction (NRS; [95% CI]) was 2.14 [1.0 to 3.5] in the MMT and 0.69 [-2.0 to 2.5.] in the UPT. The between-group difference was 1.45 [0.0 to 4.0] (p = 0.03), representing a moderate effect size of 0.66 [-0.1 to 1.5]. Reduction in disability on the RMDQ was 6.71 [4.2 to 9.3] in MMT and 4.69 [1.9 to 7.4] in UPT, with a non-significant between-group difference of 2.02 [-1.5 to 5.6] (p = 0.25). The required sample size for a RCT with six months follow-up was estimated at 170 patients.

Conclusions

MMT was found to be feasible and to significantly reduce pain in the short term when compared with UPT. A future RCT with a six-month follow-up would require approximately 170 patients.

Trial registration

Current Controlled Trials ISRCTN66262199. Registered 8 January 2014.
Zusatzmaterial
Additional file 1: Content of sessions and home assignments of multimodal treatment.
12891_2015_533_MOESM1_ESM.pdf
Additional file 2: Recruitment sources.
12891_2015_533_MOESM2_ESM.pdf
Additional file 3: Online eligibility testing.
12891_2015_533_MOESM3_ESM.pdf
Additional file 4: MMT Patients satisfaction with treatment.
12891_2015_533_MOESM4_ESM.pdf
Additional file 5: UPT Patients satisfaction with treatment.
12891_2015_533_MOESM5_ESM.pdf
Literatur
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