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Efficacy of exercise and ultrasound in patients with lumbar spinal stenosis: a prospective randomized controlled
Ahmet Goren1, Necmettin Yildiz, Oya Topuz
1Bio-Fiz Rehabilitation Center, Ankara, Turkey.
Objective:
To assess the effectiveness of therapeutic exercises alone and in combination with a single physical agent - ultrasound - in patients with lumbar spinal stenosis.
Design:
Randomized, prospective, controlled trial.
Setting:
Department of Physical Medicine and Rehabilitation, University Hospital.
Subjects:
Forty-five patients presenting with symptoms of neurological claudication and magnetic resonance image-proven lumbar spinal stenosis were assigned to one of three groups: ultrasound plus exercise group (group 1, n =15), sham ultrasound plus exercise group (group 2, n= 15) and no exercise - no treatment group (control group, n = 15).
Interventions:
Stretching and strengthening exercises for lumbar, abdominal, leg muscles as well as low-intensity cycling exercises were given as therapeutic exercises. Ultrasound was applied with 1 mHz, 1.5 W/cm(2) intensity, in continuous mode on the back muscle for 10 minutes in group 1 while ultrasound on/off mode was applied in group 2.
Main Outcome Measures:
Before and after a three-week period, all subjects were evaluated by pain, disability, functional capacity and consumption of analgesic.
Results:
Thirty-two of the participants were women and 13 were men, with an average age of 53.2 +/- 12.68 years (range 25-82 years). After a three-week treatment period, leg pain decreased in group 1 (-1.47 +/- 3.02) and group 2 (-2.47 +/- 3.75) compared with the control group (P<0.05). Disability score decreased in group 1 (-3.94 +/- 7.20) and group 2 (-7.80 +/- 10.26) compared with control group (P<0.05). We did not find any statistically significant difference between groups 1 and 2 (P>0.05). The amount of analgesic consumption is significantly less in the group with ultrasound application compared to that in the control group (P<0.05).
Conclusion:
The results of our study suggest that therapeutic exercises are effective for pain and disability in patients with lumbar spinal stenosis and that addition of ultrasound to exercise therapy lowers the analgesic intake substantially.
