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Sensors 2018, 18(9), 3048; https://doi.org/10.3390/s18093048

The Effect of Pain Relief on Daily Physical Activity: In-Home Objective Physical Activity Assessment in Chronic Low Back Pain Patients after Paravertebral Spinal Block

1
Arizona Center on Aging, Department of Medicine, University of Arizona, Tucson, AZ 85719, USA
2
Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
3
Department of Biomedical Engineering, University of Arizona, Tucson, AZ 85719, USA
4
Division of Geriatrics, General Internal Medicine and Palliative Medicine, Department of Medicine, University of Arizona, Tucson, AZ 85719, USA
5
Department of Orthopaedic Surgery, University of Arizona, Tucson, AZ 85719, USA
6
Interdisciplinary Consortium on Advanced Motion Performance, Division of Vascular Surgery and Endovascular Therapy, Michael E DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
*
Author to whom correspondence should be addressed.
Received: 6 August 2018 / Revised: 9 September 2018 / Accepted: 10 September 2018 / Published: 12 September 2018
(This article belongs to the Special Issue Sensors to Manage Chronic Complications)
Full-Text   |   PDF [641 KB, uploaded 12 September 2018]   |  

Abstract

This study evaluates the effect of paravertebral spinal injection (PSI), utilizing both subjective and objective assessments in chronic low back pain (LBP) associated with facet joint arthrosis over a one-month duration. Subjective questionnaires included the visual analogue scale (VAS) for pain, the Oswestry Disability Index, the Health Survey SF-12, and the short Falls Efficacy Scale International (FES-I). Objective assessments included in-clinic gait and Timed Up and Go (TUG) tests using wearable sensors, as well as 48 h daily physical activity (DPA) monitored using a chest-worn triaxial accelerometer. Subjective and objective measures were performed prior to treatment, immediately after the treatment, and one month after the treatment. Eight LBP patients were recruited for this study (mean age = 54 ± 13 years, body mass index = 31.41 ± 6.52 kg/m2, 50% males). Results show significant decrease in pain (~55%, p < 0.05) and disability (Oswestry scores, ~21%, p < 0.05). In-clinic gait and TUG were also significantly improved (~16% and ~18% faster walking and shorter TUG, p < 0.05); however, DPA, including the percentage of physical activities (walking and standing) and the number of steps, showed no significant change after PSI (p > 0.25; effect size ≤ 0.44). We hypothesize that DPA may continue to be truncated to an extent by conditioned fear-avoidance, a psychological state that may prevent increase in daily physical activity to avoid pain. View Full-Text
Keywords: gait; pain; back disorder; outcome evaluations; daily activity; fear of pain gait; pain; back disorder; outcome evaluations; daily activity; fear of pain
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Chuan Yen, T.; Mohler, J.; Dohm, M.; Laksari, K.; Najafi, B.; Toosizadeh, N. The Effect of Pain Relief on Daily Physical Activity: In-Home Objective Physical Activity Assessment in Chronic Low Back Pain Patients after Paravertebral Spinal Block. Sensors 2018, 18, 3048.

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