HRV and Pain Intensity

The Association Between Pain Intensity and Heart Rate Variability in Chronic Pain Patients.

The aim of this study is to explore the association between pain intensity and heart rate variability in patients with chronic pain.

Inclusion Criteria:

• Patients with chronic pain for at least 3 months
• Age > 18 years
• Patient has been informed of the study procedures and has given written informed consent
• Patient willing to comply with study protocol

Exclusion Criteria:

• Healthy patients or patients with acute pain.
• Evidence of an active disruptive psychiatric disorder that may impact perception of pain, and/or ability to evaluate treatment outcome as determined by investigator
• Patients were excluded if they had one or more coexisting conditions known to affect HRV analysis.