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Stéphanie Cormier, Geneviève L Lavigne, Manon Choinière, Pierre Rainville
Accumulating evidence suggests an association between patient pretreatment expectations and numerous health outcomes. However, it remains unclear if and how expectations relate to outcomes after treatments in multidisciplinary pain programs. The present study aims at investigating the predictive association between expectations and clinical outcomes in a large database of chronic pain patients. In this observational cohort study, participants were 2272 patients treated in one of 3 university-affiliated multidisciplinary pain treatment centers...
February 2016: Pain
Bjorn Jensen, Jeffrey Chen, Tim Furnish, Mark Wallace
Cannabinoid compounds include phytocannabinoids, endocannabinoids, and synthetics. The two primary phytocannabinoids are delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD), with CB1 receptors in the brain and peripheral tissue and CB2 receptors in the immune and hematopoietic systems. The route of delivery of cannabis is important as the bioavailability and metabolism are very different for smoking versus oral/sublingual routes. Gold standard clinical trials are limited; however, some studies have thus far shown evidence to support the use of cannabinoids for some cancer, neuropathic, spasticity, acute pain, and chronic pain conditions...
October 2015: Current Pain and Headache Reports
Pablo Alba-Martín, T Gallego-Izquierdo, Gustavo Plaza-Manzano, Natalia Romero-Franco, Susana Núñez-Nagy, Daniel Pecos-Martín
[Purpose] The aim of this study was to analyze the effectiveness of conservative treatment of patellofemoral pain syndrome with physical exercise. [Subjects and Methods] A computer-based review conducted of four databases (PubMed, the Cochrane Library, PEDro, and the University Library) was completed based on the inclusion criteria of patellofemoral pain syndrome patients treated with physical exercise methods and examination with self-reported pain and/or functional questionnaires. [Results] The findings of ten clinical trials of moderate to high quality were evaluated to determine the effectiveness of physical exercise as conservative management for patellofemoral pain syndrome...
July 2015: Journal of Physical Therapy Science
Philippe Richebé, Marco Julien, Véronique Brulotte
PURPOSE: This manuscript proposes pharmacological strategies that might decrease persistent postsurgical pain (PPSP). These recommendations are based on a review of current publications available in the literature. PRINCIPAL FINDINGS: Persistent postsurgical pain has been defined by the International Association for the Study of Pain as clinical discomfort that lasts more than two months after surgery. Recent reviews reported that 10-50% of patients develop chronic pain after surgery, 2-10% with disabling chronic pain at six months...
December 2015: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
Sandra G J Boccard, Henrique M Fernandes, Saad Jbabdi, Tim J Van Hartevelt, Morten L Kringelbach, Gerardine Quaghebeur, Liz Moir, Victor Piqueras Mancebo, Erlick A C Pereira, James J Fitzgerald, Alexander L Green, John Stein, Tipu Z Aziz
BACKGROUND: Deep brain stimulation (DBS) of the anterior cingulate cortex (ACC) is a new treatment for alleviating intractable neuropathic pain. However, it fails to help some patients. The large size of the ACC and the intersubject variability make it difficult to determine the optimal site to position DBS electrodes. The aim of this work was therefore to compare the ACC connectivity of patients with successful versus unsuccessful DBS outcomes to help guide future electrode placement...
February 2016: World Neurosurgery
Nicholas Lintzeris, Ranira Moodley, Gabrielle Campbell, Briony Larance, Raimondo Bruno, Suzanne Nielsen, Louisa Degenhardt
STUDY OBJECTIVES: To examine sleep disturbances in the POINT cohort study consisting of participants prescribed long-term opioids for chronic noncancer pain (CNCP), and to examine the relationship between sleep and measures of pain, physical and mental health, substance use, and medication use at the baseline interview. METHODS: A convenience sample of 1243 participants with current CNCP and prescription opioid use were recruited from community settings and underwent a structured interview examining subjective sleep symptoms (Medical Outcomes Study [MOS] Sleep Scale and the Sleep Problems Index [SLP-9]), the pain severity and interference using the Brief Pain Inventory (BPI), mental and physical health symptoms, and recent substance and medication use...
May 2016: Clinical Journal of Pain
Anthony D Ong, Alex J Zautra, M Carrington Reid
The February-March 2014 special issue of the American Psychologist featured articles summarizing select contributions from the field of psychology to the assessment and treatment of chronic pain. The articles examined a range of psychosocial and family factors that influence individual adjustment and contribute to disparities in pain care. The reviews also considered the psychological correlates and neurophysiological mechanisms of specific pain treatments, including cognitive-behavioral therapy, hypnosis, acceptance and commitment therapy, mindfulness, and meditation...
April 2015: American Psychologist
M C Bushnell, L K Case, M Ceko, V A Cotton, J L Gracely, L A Low, M H Pitcher, C Villemure
Much evidence from pain patients and animal models shows that chronic pain does not exist in a vacuum but has varied comorbidities and far-reaching consequences. Patients with long-term pain often develop anxiety and depression and can manifest changes in cognitive functioning, particularly with working memory. Longitudinal studies in rodent models also show the development of anxiety-like behavior and cognitive changes weeks to months after an injury causing long-term pain. Brain imaging studies in pain patients and rodent models find that chronic pain is associated with anatomical and functional alterations in the brain...
April 2015: Pain
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