Jayantilal Govind, Nikolai Bogduk
OBJECTIVES: The study sought to assess the utility of controlled diagnostic blocks in patients with probable cervicogenic headache by determining the prevalence of sources of pain among the upper and lower synovial joints of the cervical spine. METHODS: Controlled diagnostic blocks were performed in 166 consecutive patients who clinically exhibited features consistent with a diagnosis of probable cervicogenic headache. Data were collected on how often a particular source of pain could be pinpointed and how often particular diagnostic blocks provided a positive yield...
January 23, 2021: Pain Medicine
Rollin M Gallagher
No abstract text is available yet for this article.
January 23, 2021: Pain Medicine
Alysia Robinson, Maria N Wilson, Jill A Hayden, Emily Rhodes, Samuel Campbell, Peter MacDougall, Mark Asbridge
OBJECTIVE: To synthesize the literature on the proportion of health care providers who access and use prescription monitoring program data in their practice, as well as associated barriers to the use of such data. DESIGN: We performed a systematic review using a standard systematic review method with meta-analysis and qualitative meta-summary. We included full-published peer-reviewed reports of study data, as well as theses and dissertations. METHODS: We identified relevant quantitative and qualitative studies...
January 23, 2021: Pain Medicine
Austin Peña, Gina Dumkrieger, Visar Berisha, Katherine Ross, Catherine D Chong, Todd J Schwedt
OBJECTIVE: Persistent posttraumatic headache (PPTH), one of the most common symptoms following mild traumatic brain injury, is often associated with substantial functional disability. The objective of this study was to assess the contribution of demographics, headache characteristics, and psychological symptoms to disability associated with PPTH. METHODS: Participants completed the State-Trait Anxiety Inventory (STAI), the Beck Depression Inventory (BDI), the Pain Catastrophizing Scale (PCS), and the Migraine Disability Assessment (MIDAS) questionnaire...
January 12, 2021: Pain Medicine
Noha Tageldin, Ugonna Chukwumaife, Eslam Elsayed, Danielle Eusuf, Jan Hansel, Clifford Shelton
No abstract text is available yet for this article.
January 12, 2021: Pain Medicine
Hien Quoc Do, Thien Phu Do
No abstract text is available yet for this article.
January 12, 2021: Pain Medicine
Dennis Boye Larsen, Mogens Laursen, Robert R Edwards, Ole Simonsen, Lars Arendt-Nielsen, Kristian Kjær Petersen
OBJECTIVES: Approximately 20% of knee osteoarthritis patients undergoing total knee arthroplasty (TKA) report chronic postoperative pain. Studies suggest that preoperative variables such as impaired descending pain control, catastrophizing, function, and neuropathic pain-like symptoms may predict postoperative pain 12 months after TKA, but the combined prediction value of these factors has not been tested. The current prospective cohort study aimed to combine preoperative risk factors to investigate the predictive value for postoperative pain 12 months after TKA...
January 7, 2021: Pain Medicine
Casey D Wright, Daniel W McNeil
BACKGROUND: Pain continues to be an important public health concern, especially given the opioid crisis in industrialized countries. It is important to understand the association between emotions such as fear and anxiety and the experience of pain as both a physiological and affective experience. Fear or anxiety about pain is in fact a well-known predictor of and close associate of pain. Nociception and pain history differ depending on age, yet little empirical evidence exists on how fear of pain varies over the life span...
January 5, 2021: Pain Medicine
Kaname Ueda, Tomoyuki Takura, Shinji Fujikoshi, Juliana Meyers, Saurabh P Nagar, Hiroyuki Enomoto
OBJECTIVE: Assess long-term comorbidity burden and pain management patterns among working-age patients with knee osteoarthritis (KOA) only without low back pain (LBP) (KOA-noLBP) and patients with KOA plus LBP (KOA+LBP) in Japan. METHODS: Retrospective claims data analyses were conducted on data from the Japan Medical Data Center (JMDC) database. Adult patients (≥40 years) with a diagnosis of knee osteoarthritis (KOA) (January 1, 2011-December 31, 2012) and 5 years of follow-up were evaluated...
December 30, 2020: Pain Medicine
Philippe Lucas, Susan Boyd, M-J Milloy, Zach Walsh
OBJECTIVES: This article presents findings from a large prospective examination of Canadian medical cannabis patients, with a focus on the impacts of cannabis on prescription opioid use and quality of life over a 6-month period. METHODS: The Tilray Observational Patient Study took place at 21 medical clinics throughout Canada. This analysis includes 1,145 patients who had at least one postbaseline visit, with follow-up at 1, 3, and 6 months. Instruments included a comprehensive cannabis use inventory, the World Health Organization Quality of Life Short Form (WHOQOL-BREF), and a detailed prescription drug questionnaire...
December 27, 2020: Pain Medicine
Rocco Cavaleri, Lucy S Chipchase, Simon J Summers, Jane Chalmers, Siobhan M Schabrun
OBJECTIVE: Although acute pain has been shown to reduce corticomotor excitability, it remains unknown whether this response resolves over time or is related to symptom severity. Furthermore, acute pain research has relied upon data acquired from the cranial "hotspot," which do not provide valuable information regarding reorganization, such as changes to the distribution of a painful muscle's representation within M1. Using a novel, rapid transcranial magnetic stimulation (TMS) mapping method, this study aimed to 1) explore the temporal profile and variability of corticomotor reorganization in response to acute pain and 2) determine whether individual patterns of corticomotor reorganization are associated with differences in pain, sensitivity, and somatosensory organization...
December 27, 2020: Pain Medicine
Andrew J Kittelson, Sarah J Schmiege, Katrina Maluf, Steven Z George, Jennifer E Stevens-Lapsley
OBJECTIVE: To identify clinical phenotypes of knee osteoarthritis (OA) using measures from the following domains: 1) multimorbidity; 2) psychological distress; 3) pain sensitivity; and 4) knee impairment or pathology. DESIGN: Data were collected from 152 people with knee OA and from 31 pain-free individuals. In participants with knee OA, latent profile analysis (LPA) was applied to the following measures: normalized knee extensor strength, Functional Comorbidity Index (FCI), Pain Catastrophizing Scale (PCS), and local (knee) pressure pain threshold...
December 25, 2020: Pain Medicine
Mary E Morales, R Jason Yong
OBJECTIVE: To summarize the current literature on disparities in the treatment of chronic pain. METHODS: We focused on studies conducted in the United States and published from 2000 and onward. Studies of cross-sectional, longitudinal, and interventional designs were included. RESULTS: A review of the current literature revealed that an adverse association between non-White race and treatment of chronic pain is well supported. Studies have also shown that racial differences exist in the long-term monitoring for opioid misuse among patients suffering from chronic pain...
December 23, 2020: Pain Medicine
Gerwin Robert
No abstract text is available yet for this article.
December 23, 2020: Pain Medicine
Judith Wuest, Sue O'Donnell, Kelly Scott-Storey, Jeannie Malcolm, Charlene D Vincent, Petrea Taylor
OBJECTIVE: To create a descriptive profile of chronic pain severity in men with lifetime cumulative violence histories, as a target and/or a perpetrator, and investigate how chronic pain severity is associated with and predicted by lifetime cumulative violence severity and known determinants of chronic pain. METHODS: Analysis of variance and binary logistic regression were performed on data collected in an online survey with a community convenience sample of 653 men who reported experiences of lifetime violence...
December 21, 2020: Pain Medicine
Peter M Mullins, John Gates Merriman, Todd A Jaffe, Maryann Mazer-Amirshahi, Scott G Weiner
OBJECTIVE:  Back pain is one of the most common pain syndromes in the United States, but there has been limited recent description of the role of emergency departments (EDs) in caring for patients with back pain. We investigated trends in the evaluation and management of back pain in U.S. EDs from 2007 to 2016. METHODS:  We performed a retrospective analysis of the National Hospital Ambulatory Medical Care Survey, a nationally representative annual survey of ED visits, which includes data on patient-, hospital-, and visit-level characteristics...
December 18, 2020: Pain Medicine
César Fernández-de-Las-Peñas, Albert Pérez-Bellmunt, Luis Llurda-Almuzara, Gustavo Plaza-Manzano, Ana I De-la-Llave-Rincón, Marcos J Navarro-Santana
OBJECTIVE: To evaluate the effects of muscle dry needling alone or combined with other interventions on post-stroke spasticity (muscle tone), related pain, motor function, and pressure sensitivity. DATABASES AND DATA TREATMENT: Electronic databases were searched for randomized controlled trials including post-stroke patients where at least one group received dry needling and outcomes were collected on spasticity and related pain. Secondary outcomes included motor function and pressure pain sensitivity...
December 18, 2020: Pain Medicine
Sarah B Andrea, Tess A Gilbert, Benjamin J Morasco, Somnath Saha, Kathleen F Carlson
OBJECTIVE: State prescription drug monitoring programs (PDMPs) identify controlled medications dispensed across providers and systems. Department of Veterans Affairs (VA) policy requires electronic health record documentation of PDMP queries at least annually for VA patients receiving controlled medications; however, queries are not uniformly conducted. We examined factors associated with PDMP queries for veterans receiving long-term opioid therapy. METHODS: Veterans with a VA provider who received long-term opioid therapy between August 2015 and August 2016 within a four-state region were identified; 9,879 were due for a PDMP query between August 2016 and February 2017...
December 18, 2020: Pain Medicine
M Gabrielle Pagé, Lise Dassieu, Elise Develay, Mathieu Roy, Etienne Vachon-Presseau, Sonia Lupien, Pierre Rainville PhD
OBJECTIVE: Despite decades of research on the identification of specific characteristics of situations that trigger a physiological stress response (novelty, unpredictability, threat to the ego, and sense of low control [NUTS]), no integrative research has examined the validity of this framework applied to pain experiences. This study aimed to 1) explore the stressful characteristics of pain among individuals living with chronic pain and 2) examine whether the NUTS framework comprehensively captures the stressful nature of pain...
December 15, 2020: Pain Medicine
Mark Servis, Scott M Fishman, Mark S Wallace, Stephen G Henry, Doug Ziedonis, Daniel Ciccarone, Kelly R Knight, Steven Shoptaw, Patrick Dowling, Jeffrey R Suchard, Shalini Shah, Naileshni Singh, Lynette C Cedarquist, Navid Alem, David J Copenhaver, Marjorie Westervelt, Brigham C Willis
OBJECTIVE: The University of California (UC) leadership sought to develop a robust educational response to the epidemic of opioid-related deaths. Because the contributors to this current crisis are multifactorial, a comprehensive response requires educating future physicians about safe and effective management of pain, safer opioid prescribing, and identification and treatment of substance use disorder (SUD). METHODS: The six UC medical schools appointed an opioid crisis workgroup to develop educational strategies and a coordinated response to the opioid epidemic...
December 14, 2020: Pain Medicine
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