PURPOSE To explore the associations between (improvement in) fatigue and (improvement in) clinical and cognitive factors in patients with chronic widespread pain (CWP), participating in multidisciplinary rehabilitation treatment. METHODS Data were used from baseline, 6 and 18 months of follow-up during a prospective cohort study of 120 CWP patients who completed multidisciplinary rehabilitati...

multiple sclerosis is a severe disorder of the central nervous system. this chronic and progressive disease involves unpredictable episodes of inflammatory attacks. it can cause functional limitations, disability and reduced quality of life. pain is a common and significant problem in lots of people with multiple sclerosis (ms). and it is inversely correlated with aspects of life quality in ind...

BACKGROUND The objective of this study is to use the pain numeric rating scale (NRS) to evaluate associations between change in pain severity and changes in sleep, function, and mood assessed via patient-reported outcomes (PROs) in patients with posttraumatic pain. METHODS This is a secondary analysis of a clinical trial evaluating pregabalin in patients with posttraumatic peripheral neuropat...

BACKGROUND AND OBJECTIVE Chronic pain in children with cerebral palsy (CP) is underrecognized, leading to detriments in their physical, social, and mental well-being. Our objective was to identify, describe, and critique pediatric chronic pain assessment tools and make recommendations for clinical use for children with CP. Secondly, develop an evidence-informed toolbox to support clinicians in ...

Background. Pain while waiting for surgery may increase healthcare utilization (HCU) preoperatively. Objective. Examine the association between preoperative pain and HCU in the year prior to gynecological surgery. Methods. 590 women waiting for surgery in a Canadian tertiary care centre were asked to report on HCU in the year before surgery. Pain was assessed using the Brief Pain Inventory. Res...

BACKGROUND Age-related alterations in both pain perception and inhibitory functions have been observed, but the relationship between the two in older adults remains unclear. Previous studies were mainly based on behavioural measures which do not allow assessment of underlying neural mechanisms. METHODS The present study evaluated the association between inhibition and pain perception in 26 he...

The purpose of this study was to conduct a preliminary investigation of the number of response options for self-reports of pain interference. Responses to interference items of the 11-category Brief Pain Inventory (BPI) were obtained in a sample of 434 persons from two sites and modeled using the partial credit model. In successive calibrations, response categories were collapsed and new scores...

The purpose of this meta-analysis of randomized controlled trials was to evaluate the efficacy of psychological interventions for adults with noncancerous chronic low back pain (CLBP). The authors updated and expanded upon prior meta-analyses by using broad definitions of CLBP and psychological intervention, a broad data search strategy, and state-of-the-art data analysis techniques. All releva...

BACKGROUND The content and wording of the Patient Reported Outcome Measurement Information System (PROMIS) Physical Function and Pain Interference item banks have not been qualitatively assessed by individuals with knee joint impairments. The purpose of this investigation was to identify items in the PROMIS Physical Function and Pain Interference Item Banks that are irrelevant, unclear, or othe...

The current study examined the prospective relationship between pain-related fear and altered motor behavior, as well as perceived interference, among 51 healthy participants following induction of delayed-onset muscle soreness (DOMS) to the trunk extensor muscles. Healthy participants without history of back pain completed standardized reaches to high and low targets at self-paced and rapid sp...