Assessing Pain Intensity Using Photoplethysmography Signals in Chronic Myofascial Pain Syndrome

ConclusionThe results of the study indicated that PRV substituted for HRV in assessment of pain intensity in chronic MPS reflected parasympathetic nervous tone increase, and PPG parameters might reflect stress stimulation on skin.

Source: Pain Practice - November 23, 2017 Category: Anesthesiology Authors: Jing ‐Jhao Ye, Kuan‐Ting Lee, Ying‐Yu Chou, Hong‐Hai Sie, Ru‐Nan Huang, Chiung‐Cheng Chuang Tags: Original Article Source Type: research