Chronic pain remains poorly understood; yet it is associated with the reorganization of the nervous system. Here, we demonstrate that a unitary global measure of functional connectivity, defined as the extent of degree rank order disruption, kD, identifies the chronic pain state. In contrast, local degree disruption differentiates between chronic pain conditions. We used resting-state functiona...

UNLABELLED Operant behavioral models of chronic pain posit that the pain behaviors and disability of patients with chronic pain can be influenced by social contingencies, such as significant others' responses to pain and well behaviors. The aim of the present study was to develop and evaluate a comprehensive measure of spouse responses to patient pain and well behaviors, the Spouse Response Inv...

BACKGROUND The modulatory effects of transcranial direct current stimulation (tDCS) appear beneficial for different chronic pain syndromes; however, it is unclear whether this method can be used to treat refractory chronic pelvic pain. OBJECTIVE The objective of this preliminary study was to determine the efficacy and safety of tDCS for the management of refractory chronic pelvic pain. METH...

BACKGROUND Advances in pain assessment approaches now indicate which measures should be used to capture chronic pain experiences in children and adolescents. However, there is little guidance on how these tools should best be administered and reported, such as which time frames to use or how pain scores are categorised as mild, moderate, or severe. OBJECTIVE To synthesise current evidence on ...

Many people with hemophilia are affected by chronic arthritic joint pain as well as acute bleeding pain. In this cross-sectional study, 209 men with hemophilia A or B completed the Hemophilia Pain Coping Questionnaire (HPCQ), the Chronic Pain Acceptance Questionnaire (CPAQ), and the RAND 36-item Health Survey (SF-36), a measure of health-related quality of life. Multiple regression was used to ...

background: chronic low back pain is among a wide spread musculoskeletal conditions that is related to disability with high economy cost. there are several treatment modalities for controlling chronic low back pain (clbp), among them high intensity laser therapy (hilt) and epidural blocks (eb) use more commonly. this study aimed to evaluate the benefits and hazards of each of these two methods....

background: chronic low back pain (clbp) is one of the most prevalent health problems which is affected by psychological disorders.the aim of this study was to evaluate the role of psychological intervention on chronic low back pain among a sample of iranian nurses.   methods and material: this is a randomized clinical trial. the participants of this study consisted of 84 nurses suffering from ...

This article presents a series of studies aimed at validating a comprehensive pain-coping inventory (PCI) that is applicable to various types of patients with chronic pain. Item and scale analyses were performed for patients with rheumatoid arthritis (RA), patients with chronic headache, and pain clinic outpatients. The following 6 scales were derived from a simultaneous component analysis: Pai...