Is There a Correlation Between Objective Measurement Tools and Self-Reporting Questionnaires To Evaluate Physical Activity and Health Status in Patients With Persistent Spinal Pain Syndrome Type 2 Before and After Spinal Cord Stimulation? Outcomes of a Feasibility Study.
Tanja E Hamm-Faber, Kris C P Vissers, Ewald Bronkhorst, Inge Arnts, Ismail Gültuna, Frank G A M van Haren, Carin A G L Wensing, Yvonne Engels, Dylan J H A Henssen
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引用次数: 0
Abstract
Introduction: The effect of spinal cord stimulation (SCS) on physical activity in patients with persistent spinal pain syndrome (PSPS) type 2 is commonly evaluated with standardized, validated self-reporting questionnaires. However, questionnaires are susceptible to subjective bias and may not align with objective data.
Objective: We investigated the correlation among objective measurement devices, the Oswestry Disability Index (ODI), and patient's health status regarding physical activity in patients with PSPS type 2 receiving SCS.
Materials and methods: Alongside the ODI, we used an activity tracker to objectively measure physical activity and a neurostimulator device to objectively measure body positions at baseline and three-month follow-up. In addition, health status was measured using the positive model of health.
Results: We included 20 patients, of whom 17 completed the three-month follow-up period. At three months follow-up, we found a significant correlation between the activity tracker's steps (r = -0.636, p = 0.006) and distance per day (r = -0.649, p = 0.005) with the ODI and a significant correlation of the neurostimulator's mobile position with the ODI (r = -0.497, p = 0.043). Furthermore, the activity tracker showed a significant increase in strenuous physical activity at three-month follow-up (p = 0.039). We also observed a substantial improvement across the domains of bodily function, social and societal participation, and daily functioning of the positive model of health.
Conclusions: This study showed significant correlations among objective measurement devices, the ODI, and health status, which could contribute to a more holistic approach to evaluating the effect of SCS. Prospective powered studies with a control group are needed to better understand this area.
Clinical trial registration: The protocol was registered in the Dutch Trial Register (NTR) on March 13, 2021 under registration number NL 9301 (number NL-OMON21829).
期刊介绍：
Neuromodulation: Technology at the Neural Interface is the preeminent journal in the area of neuromodulation, providing our readership with the state of the art clinical, translational, and basic science research in the field. For clinicians, engineers, scientists and members of the biotechnology industry alike, Neuromodulation provides timely and rigorously peer-reviewed articles on the technology, science, and clinical application of devices that interface with the nervous system to treat disease and improve function.
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