Aquatic exercise and pain neurophysiology education versus aquatic exercise alone for patients with chronic low back
Diogo Pires1, Eduardo Brazete Cruz2, Carmen Caeiro2
1Polytechnic Institute of Castelo Branco - Physiotherapy Department, School of Health Care, Castelo Branco, Portugal diogo.pires@ipcb.pt.
Objective:
The aim of this study was to compare the effectiveness of a combination of aquatic exercise and pain neurophysiology education with aquatic exercise alone in chronic low back pain patients.
Design:
Single-blind randomized controlled trial.
Setting:
Outpatient clinic.
Subjects:
Sixty-two chronic low back pain patients were randomly allocated to receive aquatic exercise and pain neurophysiology education (n = 30) or aquatic exercise alone (n = 32).
Interventions:
Twelve sessions of a 6-week aquatic exercise programme preceded by 2 sessions of pain neurophysiology education. Controls received only 12 sessions of the 6-week aquatic exercise programme.
Main Measures:
The primary outcomes were pain intensity (Visual Analogue Scale) and functional disability (Quebec Back Pain Disability Scale) at the baseline, 6 weeks after the beginning of the aquatic exercise programme and at the 3 months follow-up. Secondary outcome was kinesiophobia (Tampa Scale of Kinesiophobia).
Results:
Fifty-five participants completed the study. Analysis using mixed-model ANOVA revealed a significant treatment condition interaction on pain intensity at the 3 months follow-up, favoring the education group (mean SD change: -25.4± 26.7 vs -6.6 ± 30.7, P < 0.005). Although participants in the education group were more likely to report perceived functional benefits from treatment at 3 months follow-up (RR=1.63, 95%CI: 1.01-2.63), no significant differences were found in functional disability and kinesiophobia between groups at any time.
Conclusions:
This study's findings support the provision of pain neurophysiology education as a clinically effective addition to aquatic exercise.
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