Gwyn N Lewis, Karolina A Wartolowska, Rosalind S Parker, Sheena Sharma, David A Rice, Michal Kluger, Peter J McNair
OBJECTIVE: The development of persistent pain following total knee arthroplasty (TKA) is common, but its underlying mechanisms are unknown. The goal of the study was to assess brain grey matter structure and its correlation with function of the nociceptive system in people with good and poor outcomes following TKA. SUBJECTS: Thirty-one people with LOW_PAIN (<3/10 on the numerical ratings scale [NRS]) at six months following TKA and 15 people with HIGH_PAIN (≥3/10 on the NRS) were recruited into the study...
October 4, 2020: Pain Medicine
Peter R Chai, Jamsine Y Gale, Megan E Patton, Emily Schwartz, Guruprasad D Jambaulikar, S Wade Taylor, Robert R Edwards, Edward W Boyer, Kristin L Schreiber
No abstract text is available yet for this article.
October 4, 2020: Pain Medicine
Natalie L Tuck, Bayalagmaa Khuvtsagaan, Usman Rashid, Tipu Aamir, Roger Goucke, Bazarragchaa Regjii, Ehkh-Amgalan Dorjbal, Ganbold Lundeg, Debbie J Bean
OBJECTIVE: Chronic pain is a leading cause of disability in low- and middle-income countries; however, pain assessment tools have generally been developed and validated in high-income countries. This study examines the psychometric properties of a set of translated pain (and distress) questionnaires in Mongolia and documents the characteristics of people seeking treatment for chronic pain in Mongolia, compared with those in New Zealand, which is representative of high-income countries...
October 1, 2020: Pain Medicine
Marese Heffernan, Charlotte Wilson, Kim Keating, Kevin McCarthy
INTRODUCTION: The role of cognition is central to the fear avoidance (FA) model of chronic pain (CP), which emphasizes the importance of catastrophic pain interpretations and has been shown to be applicable to pediatric CP populations. However, while we know that pain catastrophizing plays a distinct role in influencing outcomes for children with CP, we know little about the specifics of how young people with CP experience catastrophizing and worry, as well as their general pain beliefs...
October 1, 2020: Pain Medicine
Chung-Wang Lee, Yu Tung Lo, Sharmila Devi, Yookyung Seo, Angela Simon, Kelsey Zborovancik, Mona Y Alsheikh, Nayan Lamba, Timothy R Smith, Rania A Mekary, Linda S Aglio
OBJECTIVE: Opioids are frequently used in spine surgeries despite their adverse effects, including physical dependence and addiction. Gender difference is an important consideration for personalized treatment. There is no review assessing the prevalence of opioid use between men and women before spine surgeries. DESIGN: We compared the prevalence of preoperative opioid use between men and women. SETTING: Spine surgery. SUBJECTS: Comparison between men and women...
September 29, 2020: Pain Medicine
Aaron Conger, Beau P Sperry, Cole W Cheney, Keith Kuo, Russel Petersen, Dustin Randall, Fabio Salazar, Shellie Cunningham, A Michael Henrie, Erica Bisson, Richard Kendall, Masaru Teramoto, Zachary L McCormick
SUMMARY OF BACKGROUND DATA: No study has evaluated the relationship between contrast dispersion patterns and outcomes after fluoroscopically guided cervical transforaminal epidural steroid injection (CTFESI). OBJECTIVES: Determine whether contrast dispersion patterns predict pain and functional outcomes after CTFESI. METHODS: Secondary analysis of data collected during two prospective studies of CTFESI for the treatment of refractory radicular pain...
September 29, 2020: Pain Medicine
Javier Martinez-Calderon, Mar Flores-Cortes, Jose Miguel Morales-Asencio, Alejandro Luque-Suarez
OBJECTIVE: This systematic review aimed to evaluate the effectiveness of different interventions at reducing pain-related fear in people with fibromyalgia and to analyze whether the included trials reported their interventions in full detail. DESIGN: Systematic review. SETTING: No restrictions. METHODS: The Cochrane Library, CINAHL, EMBASE, PsycINFO, PubMed, and Scopus were searched from their inception to April 2020, along with manual searches and a gray literature search...
September 29, 2020: Pain Medicine
Joanna G Katzman, Jeffrey W Katzman
No abstract text is available yet for this article.
September 28, 2020: Pain Medicine
Alberto Herrero Babiloni, Fernando G Exposto, Yasmine Bouferguene, Yuri Costa, Gilles J Lavigne, Caroline Arbour
No abstract text is available yet for this article.
September 27, 2020: Pain Medicine
Simon Hansen, Rasmus Christiansen Dalgaard, Pernille Schlosser Mikkelsen, Mathias Brandhøj Sørensen, Kristian Kjær Petersen
BACKGROUND: Exercise is recommended to promote and maintain health and as treatment for more than 25 diseases and pain conditions. Exercise-induced hypoalgesia (EIH), a measure of descending pain inhibitory control, has been found to be impaired in some chronic pain conditions, but it is currently unclear if EIH is modifiable. This study investigated whether a long-term exercise intervention could modulate EIH in healthy subjects. METHODS: In 38 healthy subjects, EIH was assessed as change in pressure pain threshold (PPT) after a three-minute isometric wall squat within the first week and after approximately seven weeks of military training (MT)...
September 27, 2020: Pain Medicine
Edvin Koshi, Cole W Cheney, Beau P Sperry, Aaron Conger, Zachary L McCormick
BACKGROUND: Genicular nerve radiofrequency ablation (RFA) for the treatment of chronic knee pain has traditionally targeted the superomedial, superolateral, and inferomedial genicular nerves. However, recent cadaveric studies of knee neuroanatomy demonstrate varied locations of these specific nerves as well as additional articular nerves. This work suggests that traditional genicular nerve RFA lesion locations may be inadequate. OBJECTIVE: 1) To describe a novel protocol utilizing a three-tined RFA electrode to target the superomedial (SMGN), superolateral (SLGN), and inferomedial genicular nerves (IMGN), as well as the terminal articular branches of the nerves to the vastus medialis (NVM), intermedius (NVI), and lateralis (NVL)...
September 27, 2020: Pain Medicine
Chelsea Leonard, Roman Ayele, Amy Ladebue, Marina McCreight, Charlotte Nolan, Friedhelm Sandbrink, Joseph W Frank
OBJECTIVE: Chronic pain is more common among veterans than among the general population. Expert guidelines recommend multimodal chronic pain care. However, there is substantial variation in the availability and utilization of treatment modalities in the Veterans Health Administration. We explored health care providers' and administrators' perspectives on the barriers to and facilitators of multimodal chronic pain care in the Veterans Health Administration to understand variation in the use of multimodal pain treatment modalities...
September 24, 2020: Pain Medicine
Penny L Brennan
OBJECTIVE: To examine stressor elevations among older adults with pain, and gender and race disparities in the dual burdens of late-life pain and stressors. DESIGN: Cross-sectional. SETTING: Community. SUBJECTS: Participants in the Longitudinal Late-Life Health study (LLLH; N = 1,884) and the Health and Retirement Study (HRS; N = 7,704). METHODS: Pain and stressor measures were harmonized across the LLLH and HRS samples...
September 21, 2020: Pain Medicine
Zi-Xuan Wang, Zeng-Tao Hou, You-Gu Hu
OBJECTIVES: To explore the features of high-intensity zone (HIZ) in anterior annulus fibrosus and assess the association of anterior HIZ with low back pain (LBP). DESIGN, SETTING, AND SUBJECTS: A retrospective study of 5,940 discs in 1,188 individuals was conducted. METHODS: Subjects' information and LBP symptoms confirmed by an orthopedic surgeon were acquired from the medical record. Magnetic resonance (MR) image reading and analysis were performed by two experienced blinded radiologists...
September 20, 2020: Pain Medicine
Sarah Larney, Amy Peacock, Lucy T Tran, Emily Stockings, Damian Santomauro, Thomas Santo, Louisa Degenhardt
OBJECTIVE: To estimate all-cause and overdose crude mortality rates and standardized mortality ratios among people prescribed opioids for chronic noncancer pain and risk of overdose death in this population relative to people with similar clinical profiles but not prescribed opioids. DESIGN: Systematic review and meta-analysis. METHODS: Medline, Embase, and PsycINFO were searched in February 2018 and October 2019 for articles published beginning 2009...
September 20, 2020: Pain Medicine
Stewart J Tepper, Tamar Lin, Tal Montal, Alon Ironi, Carrie Dougherty
OBJECTIVE: Remote electrical neuromodulation (REN) is a nonpharmacological acute migraine treatment that stimulates upper-arm peripheral nerves. The aim of this investigation was to evaluate the effectiveness and safety of REN for acute treatment of migraine in a real-world setting. METHODS: Real-world data were collected from patients who were using REN (Nerivio®, Theranica Bio-Electronics Ltd., Israel) between October 1, 2019, and March 31, 2020. Patients recorded their symptoms at baseline, two hours, and 24 hours post-treatment...
September 16, 2020: Pain Medicine
Salimah H Meghani, Amelia L Persico, Jeffrey Fudin, George J Knafl
OBJECTIVE: This study describes individual cancer patients' nonuse of extended-release or long-acting (ER/LA) opioids, including periods of gap between opioid doses taken. DESIGN: Secondary analysis of a three-month observational study of prescribed ER/LA opioids monitored using electronic pill caps. SETTING: Two outpatient oncology clinics of a large health system in the Mid-Atlantic region. PARTICIPANTS: Inclusion was based on self-identified African Americans and whites, at least 18 years old, diagnosed with solid tumors or multiple myeloma...
September 16, 2020: Pain Medicine
Erwin Hendriks, Lennard Voogt, Dorine Lenoir, Iris Coppieters, Kelly Ickmans
OBJECTIVE: Central sensitization is present in different pain conditions, including chronic whiplash-associated disorders. In the absence of a gold standard method of assessment to determine the presence of central sensitization, quantitative sensory testing is currently understood as an optimal proxy. Laboratory sensory testing is, however, not feasible in clinical practice, and the Central Sensitization Inventory was developed as an alternative. The aim of the current study was to evaluate the convergent validity of the Central Sensitization Inventory in chronic whiplash-associated patients by determining the association between the Central Sensitization Inventory and quantitative sensory testing, pain intensity, fatigue, and psychosocial factors...
September 16, 2020: Pain Medicine
Jacinta Johnson, Dina Aburas, Adaire Prosser, Ivanka Koeper, Vijayaprakash Suppiah
No abstract text is available yet for this article.
September 16, 2020: Pain Medicine
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