Chronic Pain Syndrome Clinical Trial
Official title:
Cardio-visual Stimulation in Augmented Reality for Pain Reduction
The objective of this study is to evaluate the feasibility and efficacy of an Augmented Reality (AR) biofeedback intervention to alleviate pain symptoms in individuals suffering from chronic pain of the hand and/or the forearm.
Chronic pain is a major public health problem with implications for high health care costs, lost productivity and an estimated financial burden of $500 billion. Individuals with chronic pain are also at an increased risk of developing an opioid use disorder. Chronic pain has previously been associated with a distorted body representation, in particular of the affected body parts. Virtual Reality (VR) studies using embodiment-, respiration-, and heart-beat related feedback have demonstrated positive effects for induced pain in healthy participants (e.g., increased pain thresholds) and chronic pain in patient populations (e.g., decreased subjective pain, improved functionality, improved physiological markers of pain). Based on these studies, the AR intervention evaluated here aims to alleviate subjective pain symptoms and improve physiological pain markers in chronic pain patients using heartbeat-related feedback. This within-subject study will compare subjective pain ratings before, during, and after an AR intervention that provides visual feedback of participants' on-going heartbeat in relation to their affected limb. Primary outcomes include subjective reports from participants (perceived efficacy, acceptability, and demand) and the intervention's clinical feasibility, including reports from therapists. Secondary outcomes include changes in heart rate and variability. ;
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