Both sympathetic and parasympathetic nervous systems are involved in regulating pain
states. The activity of these systems seems to become disturbed in states of chronic pain …

Objective The goal of this systematic literature review is to determine whether there are
differences and similarities in heart rate variability (HRV) between adult patients with …

The aim of the study was to investigate autonomic nervous system regulation, physical
activity (PA) and perceived stress and energy during daily activities in subjects with chronic …

Purpose The aim of this review was to compare the heart rate variability (HRV) responses at
rest of adults with chronic musculoskeletal pain against healthy controls. Methods The …

Converging evidence shows that patients with fibromyalgia syndrome have signs of small
fibre impairment, possibly leading to pain and autonomic symptoms, with a frequency that …

The spectrum of symptoms represented by fibromyalgia syndrome (FMS) has a profound
effect on daily activities and impairs the quality of life. A considerable proportion of patients …

Background Sleep deprivation (SD) is known to be associated with increased incidence of
adverse cardiovascular events, but underlying pathophysiological mechanism has not been …

Fibromyalgia is a long-term pain disorder that has been related to autonomic dysfunctions
and reduced cardiovascular reactivity. We aimed to assess the dynamic short-term …

OBJECTIVE: To examine health, psychological, and autonomic impairment differences
between individuals with fibromyalgia and those with other chronic benign pain in these …

Objective Medically unexplained physical symptoms (MUPS) and related syndromes are
common and place a substantial burden on both patients and society. Chronic psychological …