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Injury chronic pain

Jihyun Yoon, Hyeyoung Seo, In Hwan Oh, Seok Jun Yoon
In recognition of Korea's rising burden of non-communicable diseases (NCDs), we investigated the nation's NCD status and extracted detailed information from the 2012 Korean Burden of Disease study. Consistent with that study, we used disability-adjusted life year (DALY) as a metric. Using national data sources and disability weights specific to the Korean population, we analyzed 116 disaggregated NCDs from the study's four-level disease and injury hierarchy for both sexes and nine age groups. Per 100,000 population, 21,019 DALYs were lost to 116 NCDs...
November 2016: Journal of Korean Medical Science
Jihyun Yoon, In Hwan Oh, Hyeyoung Seo, Eun Jung Kim, Young Hoon Gong, Minsu Ock, Dohee Lim, Won Kyung Lee, Ye Rin Lee, Dongwoo Kim, Min Woo Jo, Hyesook Park, Seok Jun Yoon
This study is part of a 5-year research project on the national burden of diseases, injuries, and risk factors in Korea. Using disability-adjusted life years (DALYs), a metric introduced by the 1990 Global Burden of Disease (GBD) project, we performed a comprehensive and detailed assessment of the magnitude and distribution of both fatal and non-fatal health problems in the Korean population. The concept and general approach were consistent with the original GBD study, with some methodological modifications to make the study more suitable for Korea...
November 2016: Journal of Korean Medical Science
Christine Altmann, Verica Vasic, Stefanie Hardt, Juliana Heidler, Annett Häussler, Ilka Wittig, Mirko H H Schmidt, Irmgard Tegeder
BACKGROUND: Peripheral nerve injury is a frequent cause of lasting motor deficits and chronic pain. Although peripheral nerves are capable of regrowth they often fail to re-innervate target tissues. RESULTS: Using newly generated transgenic mice with inducible neuronal progranulin overexpression we show that progranulin accelerates axonal regrowth, restoration of neuromuscular synapses and recovery of sensory and motor functions after injury of the sciatic nerve...
October 22, 2016: Molecular Neurodegeneration
Tomohiro Yamashita, Shota Yamamoto, Jiaming Zhang, Miho Kometani, Daisuke Tomiyama, Keita Kohno, Hidetoshi Tozaki-Saitoh, Kazuhide Inoue, Makoto Tsuda
P2X4 receptors (P2X4R) are a family of ATP-gated non-selective cation channels. We previously demonstrated that activation of P2X4R in spinal microglia is crucial for neuropathic pain, a highly debilitating chronic pain condition, suggesting that P2X4R is a potential therapeutic target for treating neuropathic pain. Thus, the identification of a compound that has a potent inhibitory effect on P2X4R is an important clinical challenge. In the present study, we screened a chemical library of clinically approved drugs and show for the first time that duloxetine, a serotonin and noradrenaline reuptake inhibitor, has an inhibitory effect on rodent and human P2X4R...
2016: PloS One
Sarah Stadig, B Duncan X Lascelles, Anna Bergh
BACKGROUND: Osteoarthritis (OA) is a common cause of chronic pain and dysfunction in older cats. The majority of cats with OA do not show signs of overt lameness, yet cats with orthopaedic disease are known to redistribute their body weight from the affected limb. OA can cause changes in the cat's behaviour, which is often misinterpreted as signs of aging. The aim of the present study was to investigate if cats with a previous cranial cruciate ligament (CCL) injury perform differently on the pressure mat and exhibit different behaviour compared to sound cats according to the owner´s subjective assessment...
October 20, 2016: Acta Veterinaria Scandinavica
Jinping Shao, Jing Cao, Jiannan Wang, Xiuhua Ren, Songxue Su, Ming Li, Zhihua Li, Qingzan Zhao, Weidong Zang
Voltage-gated sodium channels, which are involved in pain pathways, have emerged as major targets for therapeutic intervention in pain disorders. Nav1.7, the tetrodotoxin-sensitive voltage-gated sodium channel isoform encoded by SCN9A and predominantly expressed in pain-sensing neurons in the dorsal root ganglion, plays a crucial role in nociception. MicroRNAs are highly conserved, small non-coding RNAs. Through binding to the 3' untranslated region of their target mRNAs, microRNAs induce the cleavage and/or inhibition of protein translation...
2016: Molecular Pain
Sheng-Jie Shiue, Chi-Hsu Wang, Tao-Yeuan Wang, Yi-Chun Chen, Jen-Kun Cheng
OBJECTIVE: T-type channel (TCC) CaV3.2 plays a pivotal role in pain transmission. In this study, we examined the effects of intrathecal TCC blockers on CaV3.2 expression in a L5/6 spinal nerve ligation (SNL) pain model. The neurotoxicity of TCC blockers were also evaluated. METHODS: Male Sprague-Dawley rats (200-250 g) were used for right L5/6 SNL to induce neuropathic pain. Intrathecal infusion of saline or TCC blockers [mibefradil (0.7 μg/h) or ethosuximide (60 μg/h)] was started after surgery for 7 days...
October 17, 2016: Acta Anaesthesiologica Taiwanica: Official Journal of the Taiwan Society of Anesthesiologists
So Young Joo, Yoon Soo Cho, Sung-Rae Cho, Dohern Kym, Cheong Hoon Seo
PURPOSE: Pain Scrambler therapy is a patient-specific electrocutaneous nerve stimulation device. Burn pruritus is a common form of chronic and disabling neuropathic pain that is often difficult to treat effectively. Pruritus is mediated by histamines, which are effector molecules stored in mast cells and released locally during injury or inflammation. Burn pruritus may be accompanied by peripheral neuropathic pain, which may result from injury to sensory nerves that hampers conductance of neuronal messages along the large A and small C afferent fibers to the spinal cord...
October 15, 2016: Burns: Journal of the International Society for Burn Injuries
Meagan E Ita, Nathan D Crosby, Ben A Bulka, Beth A Winkelstein
STUDY DESIGN: Immunohistochemistry labeled pre- and post-synaptic structural markers to quantify excitatory and inhibitory synapses in the spinal superficial dorsal horn at 14 days after painful facet joint injury in the rat. OBJECTIVE: The objective of this study was to investigate the relationship between pain and synapse density in the spinal cord after facet injury. SUMMARY OF BACKGROUND DATA: Neck pain is a major contributor to disability and often becomes chronic...
October 17, 2016: Spine
S Sukhbir, S Yashpal, A Sandeep
Nefopam hydrochloride (NFH) is a non-opioid centrally acting analgesic drug used to treat chronic condition such as neuropathic pain. In current research, sustained release nefopam hydrochloride loaded nanospheres (NFH-NS) were auspiciously synthesized using binary mixture of eudragit RL 100 and RS 100 with sorbitan monooleate as surfactant by quasi solvent diffusion technique and optimized by 3(5) Box-Behnken designs to evaluate the effects of process and formulation variables. Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetric (DSC) and X-ray diffraction (XRD) affirmed absence of drug-polymer incompatibility and confirmed formation of nanospheres...
September 2016: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
Jennifer L Schroeck, James Ford, Erin L Conway, Kari E Kurtzhalts, Megan E Gee, Krista A Vollmer, Kari A Mergenhagen
PURPOSE: Insomnia is problematic for older adults. After behavioral modifications fail to show adequate response, pharmacologic options are used. The pharmacokinetics of agents used to treat insomnia may be altered. This review focuses on the safety and efficacy of medications used to treat insomnia. METHODS: A literature search of Medline, PubMed, and Embase was conducted (January 1966-June 2016). It included systematic reviews, randomized controlled trials, observational studies, and case series that had an emphasis on insomnia in an older population...
October 14, 2016: Clinical Therapeutics
Aris Koryllos, Astrid Althaus, Marcel Poels, Robin Joppich, Rolf Lefering, Frank Wappler, Wolfram Windisch, Corinna Ludwig, Erich Stoelben
BACKGROUND: Thoracotomy leads to chronic neuropathic pain in up to 50% of patients and is responsible for an impaired quality of life. Intercostal nerve injury has been suggested to be responsible for this pain. In the present study the impact of paravertebral intercostal neurectomy on post thoracotomy pain was assessed. METHODS: In this single center parallel-group randomized controlled trial patients underwent muscle sparing anterolateral thoracotomy and anatomical lung resection for lung cancer...
September 2016: Journal of Thoracic Disease
Lijuan Lu, Cailong Pan, Lu Chen, Liang Hu, Chaoyu Wang, Yuan Han, Zhixiang Cheng, Yanjing Yang, Wen-Tao Liu
Neuropathic pain is a debilitating clinical condition with few efficacious treatments, warranting development of novel therapeutics. Ozone is widely used as an alternative therapy for many different pain conditions, with exact mechanisms still elusive. In this study, we found that a single peri-sciatic nerve injection of ozone decreased mechanical allodynia and thermal hyperalgesia, and normalized the phosphorylation of protein kinase C γ (PKCγ), N-methyl-D-aspartate receptor (NMDAR), and extracellular signal-regulated kinase in a chronic constriction injury (CCI) model in rat sciatic nerve...
October 15, 2016: Journal of Molecular Cell Biology
Deepak N Bhatia
Distal biceps tendon (DBT) ruptures are infrequent injuries that result in pain, weakness, and cosmetic deformity. Severe retraction of the ruptured DBT can occur at the time of injury, or in chronic neglected ruptures, and surgical exposure is performed using a single incision or a 2-incision technique. The technique presented here describes an endoscopic approach using 3 portals that provide access to the retracted DBT, biceps sheath, and radial tuberosity. Preoperative sonographic localization of the retracted DBT and neurovascular structures is used to guide portal placement...
October 12, 2016: Journal of Hand Surgery
Satoru Koyanagi, Naoki Kusunose, Marie Taniguchi, Takahiro Akamine, Yuki Kanado, Yui Ozono, Takahiro Masuda, Yuta Kohro, Naoya Matsunaga, Makoto Tsuda, Michael W Salter, Kazuhide Inoue, Shigehiro Ohdo
Diurnal variations in pain hypersensitivity are common in chronic pain disorders, but the underlying mechanisms are enigmatic. Here, we report that mechanical pain hypersensitivity in sciatic nerve-injured mice shows pronounced diurnal alterations, which critically depend on diurnal variations in glucocorticoids from the adrenal glands. Diurnal enhancement of pain hypersensitivity is mediated by glucocorticoid-induced enhancement of the extracellular release of ATP in the spinal cord, which stimulates purinergic receptors on microglia in the dorsal horn...
October 14, 2016: Nature Communications
Bamini Gopinath, Jagnoor Jagnoor, Ian A Harris, Michael Nicholas, Petrina Casey, Fiona Blyth, Christopher G Maher, Ian D Cameron
OBJECTIVES: A better understanding of the long-term factors that independently predict poorer quality of life following mild to moderate musculoskeletal injuries is needed. We aimed to establish the predictors of quality of life (including, socio-demographic, health, psychosocial and pre-injury factors), 24 months after a non-catastrophic road-traffic injury. METHODS: Prospective cohort study of 252 participants with mild/ moderate injury sustained in a road traffic crash, had quality of life measured 24 months following baseline survey...
October 13, 2016: Traffic Injury Prevention
Xinning Li, Antonio Cusano, Josef Eichinger
Shoulder dislocations are a common injury, with anterior shoulder dislocation among male patients being the most common presentation. A patient with recurrent shoulder instability, anterior-superior escape, and chronic subscapularis tendon rupture following multiple shoulder stabilization surgeries presents the surgeon with a complex and challenging case. This report describes a 40-year-old man with an extensive left shoulder history that included a failed Latarjet procedure, an irreparable, chronic subscapularis tear with grade 4 Goutallier fatty infiltration, and associated anterior-superior escape...
October 13, 2016: Orthopedics
Joseph J Knapik, Francis G O'Connor
Exertional rhabdomyolysis (ER) is a medical condition whereby damage to skeletal muscle is induced by excessive physical activity in otherwise healthy individuals. The individual performs so much activity that he/ she presumably depletes local muscle energy stores and muscle cells are unable to maintain cellular integrity, resulting in cell damage and the release of cellular contents, with resultant secondary complications. In the military services, the incidence of ER appeared to increase in the period 2004 to 2015...
2016: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
(no author information available yet)
BACKGROUND: Non-fatal outcomes of disease and injury increasingly detract from the ability of the world's population to live in full health, a trend largely attributable to an epidemiological transition in many countries from causes affecting children, to non-communicable diseases (NCDs) more common in adults. For the Global Burden of Diseases, Injuries, and Risk Factors Study 2015 (GBD 2015), we estimated the incidence, prevalence, and years lived with disability for diseases and injuries at the global, regional, and national scale over the period of 1990 to 2015...
October 8, 2016: Lancet
Humberto G Rosas
Although rare, posterolateral corner (PLC) injuries can result in sustained instability and failed cruciate ligament reconstruction if they are not diagnosed. The anatomy of the PLC was once thought to be perplexing and esoteric-in part because of the varying nomenclature applied to this region in the literature, which added unnecessary complexity. More recently, three major structures have been described as the primary stabilizers of the PLC on the basis of biomechanical study findings: the lateral collateral ligament, popliteus tendon, and popliteofibular ligament...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
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