Photoplethysmography variability as an alternative approach to obtain heart rate variability information in chronic pain patient

A comparative study of pulse rate variability and heart rate variability in healthy subjects

(2012) Jih-Sen Wong et al.   JOURNAL OF CLINICAL MONITORING AND COMPUTING

Comparison of pulse rate variability with heart rate variability during obstructive sleep apnea

(2010) Ahsan H. Khandoker et al.   MEDICAL ENGINEERING & PHYSICS

Photoplethysmography pulse rate variability as a surrogate measurement of heart rate variability during non-stationary conditions

(2010) E Gil et al.   PHYSIOLOGICAL MEASUREMENT

Interchangeability between heart rate and photoplethysmography variabilities during sympathetic stimulations

(2009) K Charlot et al.   PHYSIOLOGICAL MEASUREMENT

Perceived disability but not pain is connected with autonomic nervous function among patients with chronic low back pain

(2008) M Gockel et al.   JOURNAL OF REHABILITATION MEDICINE

Heart rate variability explored in the frequency domain: A tool to investigate the link between heart and behavior

(2008) Nicola Montano et al.   NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS

Prevalence of chronic pain with neuropathic characteristics in the general population

(2007) Didier Bouhassira et al.   PAIN