Why the study?
Does linearly polarized near-infrared irradiation near the stellate ganglion region improve pain and heart rate variability in patients with neuropathic pain?
Population
44 patients with neuropathic pain
Comparison
12 sessions of standard linearly polarized… vs 12 sessions (twice weekly) of sham irradiation
Design
RCT, randomized, double-blind
Follow-up
12 sessions (twice weekly)
Authors
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Supports SGI for neuropathic pain; extends HRV as objective response marker in RCTs.
Does linearly polarized near-infrared irradiation near the stellate ganglion region improve pain and heart rate variability in patients with neuropathic pain?
Stellate ganglion irradiation improves pain and sympathovagal balance in patients with neuropathic pain, with HRV serving as an indicator of clinical efficacy.
Liao et al. (2016) studied this question.
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