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KMID : 1189320170110050748
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Asian Spine Journal
2017 Volume.11 No. 5 p.748 ~ p.755
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A Preliminary Study of the Objective Measurement of Compliance Rates for Semirigid Lumbar-Support Use in Patients with Chronic Nonspecific Low Back Pain: How Important Is the Compliance Rate?
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Hekmatfard Maryam
Sanjari Mohammad Ali
Maroufi Nader
Saeedi Hassan
Ebrahimi Esmail
Behtash Hamid
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Abstract
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Study Design: Clinical pilot study.
Purpose: To objectively evaluate the compliance rate of lumbar-support use in patients with chronic nonspecific low back pain, as well as to assess low back pain intensity, disability, and fear-avoidance beliefs.
Overview of Literature: Wearing time is an important factor in the assessment of the efficacy of lumbar-support use in patients with chronic nonspecific low back pain. Previous studies have measured lumbar-support wearing time based on subjective assessment, and these evaluations are not easily verifiable and are usually overestimated by subjects.
Methods: Twelve subjects with chronic nonspecific low back pain who had been wearing semirigid lumbar supports for 6 weeks were evaluated. Compliance was objectively monitored using temperature sensors integrated into the semirigid lumbar supports. Subjects wore their lumbar supports for 8 hour/day on workdays and 3 hour/day on holidays during the first 3 weeks. During the next 3 weeks, subjects were gradually weaned off the lumbar supports. Pain intensity was measured using a numerical rating scale. The Oswestry disability index was used to assess the subjects' disability. Fear-avoidance behavior was evaluated using a fear-avoidance beliefs questionnaire.
Results: The mean compliance rate of the subjects was 78.16%±13.9%. Pain intensity was significantly lower in patients with a higher compliance rate (p=0.001). Disability index and fear-avoidance beliefs (functional outcomes) significantly improved during the second 3-weeks period of the treatment (p<0.001, p=0.02, respectively).
Conclusions: The compliance rate of patients wearing lumbar supports is a determining factor in chronic low back pain management. Wearing semirigid lumbar supports, as advised, was associated with decreased pain intensity, improved disability index scores, and improved fear-avoidance beliefs in patients with chronic nonspecific low back pain.
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KEYWORD
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Chronic nonspecific low back pain, Lumbar supports, Compliance, Wearing time, Temperature logger
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