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https://www.readbyqxmd.com/read/29053546/histopathology-of-calciphylaxis-cohort-study-with-clinical-correlations
#1
Tiffany Y Chen, Julia S Lehman, Lawrence E Gibson, Christine M Lohse, Rokea A El-Azhary
Calciphylaxis is a rare, painful, and life-threatening condition with a high mortality rate. Although the etiology of calciphylaxis is not well understood, it has been proposed that calcium deposition within and around subcutaneous vessels restricts blood flow chronically, thereby predisposing the patient to acute pannicular and dermal thrombosis. Given increasing recognition of the role of hypercoagulability in calciphylaxis, this retrospective cohort study sought to evaluate the presence of thromboses and dermal angioplasia in calciphylaxis...
November 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29053504/anesthesia-and-analgesia-practice-pathway-options-for-total-knee-arthroplasty-an-evidence-based-review-by-the-american-and-european-societies-of-regional-anesthesia-and-pain-medicine
#2
Sandra L Kopp, Jens Børglum, Asokumar Buvanendran, Terese T Horlocker, Brian M Ilfeld, Stavros G Memtsoudis, Joseph M Neal, Narinder Rawal, Jessica T Wegener
In 2014, the American Society of Regional Anesthesia and Pain Medicine in collaboration with the European Society of Regional Anaesthesia and Pain Therapy convened a group of experts to compare pathways for anesthetic and analgesic management for patients undergoing total knee arthroplasty in North America and Europe and to develop a practice pathway. This review is intended to be an analysis of the current literature to assist individuals and institutions in designing a pathway for total knee arthroplasty that is based on existing evidence and expert recommendation and may be customized according to individual settings...
November 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29052293/butyrate-promotes-visceral-hypersensitivity-in-an-ibs-like-model-via-enteric-glial-cell-derived-nerve-growth-factor
#3
X Long, M Li, L-X Li, Y-Y Sun, W-X Zhang, D-Y Zhao, Y-Q Li
BACKGROUND: Altered visceral sensation is common in irritable bowel syndrome (IBS) and nerve growth factor (NGF) participates in visceral pain development. Sodium butyrate (NaB) could induce colonic hypersensitivity via peripheral up-regulation of NGF in animals. Enteric glial cells (EGCs) appear to be an important source of NGF. Whether butyrate could induce visceral hypersensitivity via increased EGC-derived NGF is still unknown. METHODS: CRL-2690 cells were used for transcriptome analyses after butyrate treatment...
October 20, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29050042/-therapy-of-spondylodiscitis-by-severity
#4
Nadine Homagk, Tina Jarmuzek, Gunther O Hofmann, Lars Homagk
Spondylodiscitis is a rare but serious infection of the spine. Recognised methods of treatment include immobilisation and systemic antibiotics. However, available data for specific and recommendations for continuing treatment are also rare. The aim of the present study is the optimisation of the therapy of spondylodiscitis using a clinical pathway that depends on a classification of spondylodiscitis. From 1 October 1998 to 31 December 2013, a classification of the severity of spondylodiscitis was established, including specific treatment recommendations...
October 19, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29049123/impact-of-enhanced-recovery-after-surgery-and-opioid-free-anesthesia-on-opioid-prescriptions-at-discharge-from-the-hospital-a-historical-prospective-study
#5
Delara Brandal, Michelle S Keller, Carol Lee, Tristan Grogan, Yohei Fujimoto, Yann Gricourt, Takashige Yamada, Siamak Rahman, Ira Hofer, Kevork Kazanjian, Jonathan Sack, Aman Mahajan, Anne Lin, Maxime Cannesson
BACKGROUND: The United States is in the midst of an opioid epidemic, and opioid use disorder often begins with a prescription for acute pain. The perioperative period represents an important opportunity to prevent chronic opioid use, and recently there has been a paradigm shift toward implementation of enhanced recovery after surgery (ERAS) protocols that promote opioid-free and multimodal analgesia. The objective of this study was to assess the impact of an ERAS intervention for colorectal surgery on discharge opioid prescribing practices...
November 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29046485/dimethyl-fumarate-increases-fetal-hemoglobin-provides-heme-detoxification-and-corrects-anemia-in-sickle-cell-disease
#6
Sriram Krishnamoorthy, Betty Pace, Dipti Gupta, Sarah Sturtevant, Biaoru Li, Levi Makala, Julia Brittain, Nancy Moore, Benjamin F Vieira, Timothy Thullen, Ivan Stone, Huo Li, William E Hobbs, David R Light
Sickle cell disease (SCD) results from a point mutation in the β-globin gene forming hemoglobin S (HbS), which polymerizes in deoxygenated erythrocytes, triggering recurrent painful vaso-occlusive crises and chronic hemolytic anemia. Reactivation of fetal Hb (HbF) expression ameliorates these symptoms of SCD. Nuclear factor (erythroid derived-2)-like 2 (Nrf2) is a transcription factor that triggers cytoprotective and antioxidant pathways to limit oxidative damage and inflammation and increases HbF synthesis in CD34+ stem cell-derived erythroid progenitors...
October 19, 2017: JCI Insight
https://www.readbyqxmd.com/read/29044773/integrated-analysis-of-microrna-and-mrna-expression-profiles-in-the-rat-spinal-cord-under-inflammatory-pain-conditions
#7
Chien Cheng Liu, Jiin Tsuey Cheng, Tien Yui Li, Ping Heng Tan
Recent studies using microarray-based approaches have demonstrated that microRNAs (miRNAs) are involved in pain processing pathways. However, a significant proportion of computational predictions of miRNA targets are false-positive interactions. To increase the chance of identifying biologically relevant targets, we performed an integrated analysis of both miRNA and mRNA expression profiles in the rat spinal cord during complete Freund's adjuvant (CFA)-induced inflammatory pain. We generated miRNA and mRNA arrays from the same corresponding samples on Days 5 and 14 after CFA injection...
October 17, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29044685/involvement-of-nf-%C3%AE%C2%BAb-in-the-upregulation-of-cystathionine-%C3%AE-lyase-a-hydrogen-sulfide-forming-enzyme-and-bladder-pain-accompanying-cystitis-in-mice
#8
Tomoka Ozaki, Maho Tsubota, Fumiko Sekiguchi, Atsufumi Kawabata
Hydrogen sulfide (H2 S) is generated from L-cysteine by multiple enzymes including cystathionine-γ-lyase (CSE), and promotes nociception by targeting multiple molecules such as Cav 3.2 T-type Ca(2+) channels. Bladder pain accompanying cyclophosphamide (CPA)-induced cystitis in mice has been shown to involve the functional upregulation of the CSE/H2 S/Cav 3.2 pathway. Therefore, we investigated whether NF-κB, as an upstream signal of the CSE/H2 S system, contributes to bladder pain in mice with CPA-induced cystitis...
October 17, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29043434/-spondyloarthritides
#9
M Rudwaleit
Spondyloarthritides (SpA) are inflammatory rheumatic diseases affecting the axial skeleton, peripheral joints and entheses, and also manifest at extraskeletal sites. According to the more recently introduced nomenclature, predominant axial SpA is distinguished from predominant peripheral SpA. Axial SpA is further divided into radiographic and nonradiographic axial SpA. Genetic factors are relevant, with HLA-B27 being most important. The interleukin 23/17 pathway seems to be relevant and points towards new therapeutic targets...
October 17, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29043142/costimulation-pathway-blockade-in-kidney-transplant-recipients-with-de-novo-rheumatoid-arthritis
#10
Mohamed Sheta, Samy Riad, Udayakumar Deepak, Naim Issa, Mark Birkenbach, Hassan N Ibrahim, Aleksandra Kukla
The best approach to treatment of de-novo rheumatoid arthritis in solid organ transplant recipients on typical immunosuppression is not well established. The use of biologics targeting specific cell types, cytokines, and immunological pathways has been gaining interest in the treatment of both, auto- and alloimmunity. We present a case of de-novo rheumatoid arthritis in a kidney transplant recipient 10 years post-transplant while receiving cyclosporine, mycophenolate mofetil, and also prednisone. Initial presentation included features of polymyalgia rheumatica and nephrotic range proteinuria...
2017: Clin Nephrol Case Stud
https://www.readbyqxmd.com/read/29042811/optical-inactivation-of-the-anterior-cingulate-cortex-modulate-descending-pain-pathway-in-a-rat-model-of-trigeminal-neuropathic-pain-created-via-chronic-constriction-injury-of-the-infraorbital-nerve
#11
Hyeong Cheol Moon, Won Ik Heo, Yon Ji Kim, Daae Lee, So Yoon Won, Hong Rae Kim, Seung Man Ha, Youn Joo Lee, Young Seok Park
PURPOSE: The anterior cingulate cortex (ACC) plays a critical role in the initiation, development, and maintenance of neuropathic pain. Recently, the effects of optical stimulation on pain have been investigated, but the therapeutic effects of optical stimulation on trigeminal neuralgia (TN) have not been clearly shown. Here, we investigated the effects of optical inhibition of the ACC on TN lesions to determine whether the alleviation of pain affects behavior performance and thalamic neuron signaling...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29042322/activation-of-parvalbumin-neurons-in-the-rostro-dorsal-sector-of-the-thalamic-reticular-nucleus-promotes-sensitivity-to-pain-in-mice
#12
Jing Liu, Meng-Qi Zhang, Xu Wu, Michael Lazarus, Yoan Cherasse, Mao-Yun Yuan, Zhi-Li Huang, Rui-Xi Li
The calcium-binding protein, parvalbumin (PV), is highly expressed in thalamic reticular nucleus (TRN) GABAergic neurons, which receive input from the cerebral cortex and thalamus and send inhibitory output to the thalamic relay nucleus. Previous studies suggest that the TRN is involved in pain regulation as an important relay nucleus of the ascending pain pathway. However, little is known about its functional role in pain regulation and interconnectivity. In our study, the role of rostro-dorsal sector of TRN (TRNrd) PV-positive neurons in pain regulation was studied using chemogenetics based on designer receptors exclusively activated by designer drugs (DREADD)...
October 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/29040904/malignant-fibrous-histiocytoma-in-the-right-portion-of-the-mandible-with-metastasis-in-pancreas
#13
Javier Biurrun Chamale, Marco Bruno, Facundo Mandojana, Llugdar José, Lucas Armando, Doniquian Alejandro
BACKGROUND: Malignant fibrous histiocytoma is a sarcoma of uncertain origin that can be found both in soft tissues and in bones. It is currently called undifferentiated pleomorphic sarcoma not otherwise specified and it represents a final common pathway in several tumors that are subject to the progress of dedifferentiation. Local recurrence of the tumor in the same location where it was originated occurs in 20-30% of the total number of soft tissue sarcomas. It is less frequent in limbs and more likely to recur in retroperitoneal sarcomas and in head and neck...
October 12, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29038868/the-global-spine-care-initiative-a-review-of-reviews-and-recommendations-for-the-non-invasive-management-of-acute-osteoporotic-vertebral-compression-fracture-pain-in-low-and-middle-income-communities
#14
REVIEW
Arthur Ameis, Kristi Randhawa, Hainan Yu, Pierre Côté, Scott Haldeman, Roger Chou, Eric L Hurwitz, Margareta Nordin, Jessica J Wong, Heather M Shearer, Anne Taylor-Vaisey
PURPOSE: The purpose of this review was to develop recommendations for non-invasive management of pain due to osteoporotic vertebral compression fractures (OVCF) that could be applied in medically underserved areas and low- and middle-income countries. METHODS: We conducted a systematic review and best evidence synthesis of systematic reviews on the non-invasive management of OVCF. Eligible reviews were critically appraised using the Scottish Intercollegiate Guidelines Network criteria...
October 16, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29037948/discovery-of-aminocyclohexene-analogues-as-selective-and-orally-bioavailable-hnav1-7-inhibitors-for-analgesia
#15
Mingxing Teng, Wentao Wu, Zhixiang Li, Guangwen Yang, Jian Qin, Yikai Wang, Zhijing Hu, Haiheng Dong, Lijuan Hou, Guoping Hu, Liang Shen, Yang Zhang, Jian Li, Shuhui Chen, Jingwei Tian, Liang Ye, Jianzhao Zhang, Hongbo Wang
hNav1.7 receives a lot of attention owing to its attractive mechanism of action in pain processing pathway. We have previously reported our design of a novel series of tetrahydropyridine analogues towards hNav1.7 selective inhibitors. Herein, we disclose further efforts to the optimization of hit compound (-)-6, which led to the identification of aminocyclohexene analogues (-)-9 and (-)-17 with good potency, high selectivity, and minimal CYP inhibition. Both compounds (-)-9 and (-)-17 demonstrated improved pharmacokinetic profiles in rats, and robust efficacy in rat formalin-induced nociception and spinal nerve ligation (SNL) models...
October 7, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29037608/chemokine-ccl8-and-its-receptor-ccr5-in-the-spinal-cord-are-involved-in-visceral-pain-induced-by-experimental-colitis-in-mice
#16
Ying Lu, Bao-Chun Jiang, De-Li Cao, Lin-Xia Zhao, You-Li Zhang
Visceral hypersensitivity induced by inflammatory bowel disease (IBD) is a clinical challenge since the underlying mechanisms remain elusive. Chemokines and their receptors have been suggested to modulate inflammatory pain and neuropathic pain. However, the exact chemokines involved in visceral pain remain to be determined. Here, we investigated the effects of spinal chemokine CCL8 and its major receptor CCR5 on the development of visceral hyperalgesia. We showed that intracolonic injection of 2,4,6-trinitrobenzene sulfonic acid (TNBS) in mice produced significant colonic inflammation and visceral hypersensitivity to colorectal distension...
October 13, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/29036449/resveratrol-attenuates-bone-cancer-pain-through-regulating-the-expression-levels-of-asic3-and-activating-cell-autophagy
#17
Haili Zhu, Jieqiong Ding, J Wu, Tingting Liu, Jing Liang, Qiong Tang, Ming Jiao
Bone cancer pain (BCP) is one of the most common pains in patients with malignant cancers. The mechanism underlying BCP is largely unknown. Our previous studies and the increasing evidence both have shown that acid-sensing ion channels 3 (ASIC3) is an important protein in the pathological pain state in some pain models. We hypothesized that the expression change of ASIC3 might be one of the factors related to BCP. In this study, we established the BCP model through intrathecally injecting rat mammary gland carcinoma cells (MRMT-1) into the left tibia of Sprague-Dawley female rats, and found that the BCP rats showed bone destruction, increased mechanical pain sensitivities and up-regulated ASIC3 protein expression levels in L4-L6 dorsal root ganglion...
October 3, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29035314/animal-toxins-providing-insights-into-trpv1-activation-mechanism
#18
REVIEW
Matan Geron, Adina Hazan, Avi Priel
Beyond providing evolutionary advantages, venoms offer unique research tools, as they were developed to target functionally important proteins and pathways. As a key pain receptor in the nociceptive pathway, transient receptor potential vanilloid 1 (TRPV1) of the TRP superfamily has been shown to be a target for several toxins, as a way of producing pain to deter predators. Importantly, TRPV1 is involved in thermoregulation, inflammation, and acute nociception. As such, toxins provide tools to understand TRPV1 activation and modulation, a critical step in advancing pain research and the development of novel analgesics...
October 16, 2017: Toxins
https://www.readbyqxmd.com/read/29034454/successful-treatment-of-sapho-syndrome-with-apremilast
#19
S Adamo, J Nilsson, A Krebs, U Steiner, A Cozzio, L E French, A G A Kolios
Synovitis, acne, pustulosis, hyperostosis and osteitis (SAPHO) syndrome is a rare disease with inflammatory osteoarticular and skin involvement. The pathogenesis of SAPHO syndrome remains unclear, but evidence suggests it may be an autoinflammatory disease triggered upon exposure to infectious agents in genetically predisposed individuals. Induction of the IL-23/Th17 axis as well as neutrophil activation seem to play a key role, and therapies targeting these immunological pathways, including TNF-inhibitors, ustekinumab, secukinumab and the IL-1 inhibitor anakinra are potential treatment options that need further investigation...
October 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29033606/the-pain-depression-disability-pathway-in-those-with-low-back-pain-a-moderation-analysis-of-health-locus-of-control
#20
Paul Campbell, Kate Hope, Kate M Dunn
Low back pain (LBP) is common, impacts on the individual and society, and is a major health concern. Psychological consequences of LBP, such as depression, are significant barriers to recovery, but mechanisms for the development of depression are less well understood. One potential mechanism is the individual's health locus of control (HLoC), that is, perception of the level of control an individual has over their health. The objective of this study is to investigate the moderation effect of HLoC on the pain-depression-disability pathway in those with LBP...
2017: Journal of Pain Research
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