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https://www.readbyqxmd.com/read/28339804/intra-cardiac-and-peripheral-levels-of-biochemical-markers-of-fibrosis-in-patients-undergoing-catheter-ablation-for-atrial-fibrillation
#1
Gordon A Begg, Rashed Karim, Tobias Oesterlein, Lee N Graham, Andrew J Hogarth, Stephen P Page, Christopher B Pepper, Kawal Rhode, Gregory Y H Lip, Arun V Holden, Sven Plein, Muzahir H Tayebjee
Aims: Measurement of circulating biomarkers of fibrosis may have a role in selecting patients and treatment strategy for catheter ablation. Pro-collagen type III N-terminal pro-peptide (PIIINP), C-telopeptide of type I collagen (ICTP), fibroblast growth factor 23 (FGF-23), and galectin 3 (gal-3) have all been suggested as possible biomarkers for this indication, but studies assessing whether peripheral levels reflect intra-cardiac levels are scarce. Methods and results: We studied 93 patients undergoing ablation for paroxysmal atrial fibrillation (AF) (n = 63) or non-paroxysmal AF (n = 30)...
February 27, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339448/efficacious-dorsal-root-ganglion-stimulation-for-painful-small-fiber-neuropathy-a-case-report
#2
Paolo Maino, Eva Koetsier, Alain Kaelin-Lang, Claudio Gobbi, Roberto Perez
Small fiber neuropathy is a disorder of the peripheral nerves with typical symptoms of burning, sharp, and shooting pain and sensory disturbances in the feet. Pain treatment depends principally on the underlying etiology with concurrent administration of antidepressants, anticonvulsants, opioids, and topical treatments like capsaicin and local anesthetics. However, treatments for pain relief in these patients frequently fail. We describe the first case of intractable painful small fiber neuropathy of the foot successfully treated with spinal cord stimulation of the left L5 dorsal root ganglion...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339447/chronic-localized-back-pain-due-to-posterior-cutaneous-nerve-entrapment-syndrome-pocnes-a-new-diagnosis
#3
Oliver B Boelens, Robert C Maatman, Marc R Scheltinga, Kees van Laarhoven, Rudi M Roumen
Most patients with chronic back pain suffer from degenerative thoracolumbovertebral disease. However, the following case illustrates that a localized peripheral nerve entrapment must be considered in the differential diagnosis of chronic back pain. We report the case of a 26-year-old woman with continuous excruciating pain in the lower back area. Previous treatment for nephroptosis was to no avail. On physical examination the pain was present in a 2 x 2 cm area overlying the twelfth rib some 4 cm lateral to the spinal process...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28338954/meta-analysis-of-cerebrospinal-fluid-cytokine-and-tryptophan-catabolite-alterations-in-psychiatric-patients-comparisons-between-schizophrenia-bipolar-disorder-and-depression
#4
Alexandre K Wang, Brian J Miller
INTRODUCTION: Schizophrenia, bipolar disorder, and major depressive disorder (MDD) have all been associated with immune system dysfunction, including aberrant cerebrospinal fluid (CSF) levels of cytokines and tryptophan catabolites; however, the pattern of alterations has not been compared across disorders. We performed a meta-analysis of CSF cytokine and tryptophan catabolites in patients with these major psychiatric disorders. METHODS: Articles were identified by searching Pub Med, PsycInfo, and Web of Science, and the reference lists of these studies...
March 17, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28338854/comparison-of-the-peripheral-doses-from-different-imrt-techniques-for-pediatric-head-and-neck-radiation-therapy
#5
Masahiko Toyota, Yasumasa Saigo, Kenta Higuchi, Takuya Fujimura, Chihaya Koriyama, Takashi Yoshiura, Suminori Akiba
Intensity-modulated radiation therapy (IMRT) can deliver high and homogeneous doses to the target area while limiting doses to organs at risk. We used a pediatric phantom to simulate the treatment of a head and neck tumor in a child. The peripheral doses were examined for three different IMRT techniques [dynamic multileaf collimator (DMLC), segmental multileaf collimator (SMLC) and volumetric modulated arc therapy (VMAT)]. Peripheral doses were evaluated taking thyroid, breast, ovary and testis as the points of interest...
February 25, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28338768/integrative-blood-pressure-response-to-upright-tilt-post-renal-denervation
#6
Erin J Howden, Cara East, Justin S Lawley, Abigail S L Stickford, Myrthe Verhees, Qi Fu, Benjamin D Levine
BACKGROUND: Whether renal denervation (RDN) in patients with resistant hypertension normalizes blood pressure (BP) regulation in response to routine cardiovascular stimuli such as upright posture is unknown. We conducted an integrative study of BP regulation in patients with resistant hypertension who had received RDN to characterize autonomic circulatory control. METHODS: Twelve patients (60 ± 9 [SD] years, n = 10 males) who participated in the Symplicity HTN-3 trial were studied and compared to 2 age-matched normotensive (Norm) and hypertensive (unmedicated, HTN) control groups...
February 20, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28338477/osmotic-and-hemodynamic-effects-of-hypertonic-glucose-during-hemodialysis
#7
Daniel Schneditz, Stanisław Niemczyk, Notburga Sauseng, Isolde Bachler, Edda Zierler, Helmut Karl Lackner, Hildegard Hafner-Giessauf
It was the purpose to quantify the hemodynamic effects of a bolus of hypertonic glucose injected into the extracorporeal system in a group of stable and non-diabetic patients during hemodialysis (HD).Glucose and electrolytes were measured in frequent intervals. Arterial blood pressures and heart rates were continuously recorded by non-invasive vascular unloading technique. Beat-to-beat stroke volume, cardiac output, and total peripheral resistance were determined by Modelflow method. Relative blood volumes were continuously measured by ultrasonic and optical means...
March 22, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28337889/detection-of-combined-procalcitonin-and-c-reactive-protein-applied-in-the-diagnosis-of-bacterial-infections
#8
Y L Li, L C Zhai, J H Ji, L Y Liu
In recent years, procalcitonin and C-reactive protein have been used as important indexes in the detection of inflammation. In order to analyze the combined detection of procalcitonin and C-reactive protein in infected patients, 57 subjects in the Clinical Laboratory of Zhengzhou Maternal and Child Health Hospital with a bacterial infection were selected as the observation group. Correspondingly, 57 non-infected subjects were selected for the control group. The procalcitonin and C-reactive protein levels in the included cases were analyzed and compared by extracting peripheral blood...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337860/clinical-features-and-long-term-outcomes-of-105-granulomatosis-with-polyangiitis-patients-a-single-center-experience-from-north-india
#9
Aman Sharma, Godasi S R S N K Naidu, Manish Rathi, Roshan Verma, Manish Modi, Benzeeta Pinto, Kusum Sharma, Varun Dhir, Manphool Singhal, Mahesh Prakash, Ritambhra Nada, Naresh K Panda, Ranjana W Minz
AIM: To describe the clinical features, treatment and long-term outcomes in north Indian patients with granulomatosis with polyangiitis (GPA). METHODS: Clinical details, Birmingham Vasculitis Activity Score (BVAS-v3), laboratory data, histopathology findings, treatment details and outcomes of all consecutive patients diagnosed as having GPA between April 2005 and April 2016 were retrieved. European Vasculitis Study Group definitions were used to classify patients into localized, early systemic, generalized, severe and refractory categories...
March 24, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28337644/cns-demyelination-with-tnf-%C3%AE-blockers
#10
REVIEW
Elissavet Kemanetzoglou, Elisabeth Andreadou
Tumor necrosis factor-α (TNF-α) blockers are a popular therapeutic choice in a number of inflammatory diseases. Thus far, five TNF- α blockers have been approved for clinical use (etanercept, infliximab, adalimumab, golimumab. and certolizumab). Despite being considered relatively safe, serious side effects associated with immune suppression have been reported, including central and peripheral nervous system (CNS) demyelinating disorders. It is still elusive whether these events are mere coincidence or a side effect of anti-TNF-α use...
April 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28337541/tyrosine-kinase-inhibitor-therapy-induced-changes-in-humoral-immunity-in-patients-with-chronic-myeloid-leukemia
#11
Hanna L M Rajala, Mohamed El Missiry, Anniina Ruusila, Perttu Koskenvesa, Tim H Brümmendorf, Bjorn T Gjertsen, Jeroen Janssen, Kourosh Lotfi, Berit Markevärn, Ulla Olsson-Strömberg, Leif Stenke, Jesper Stentoft, Johan Richter, Henrik Hjorth-Hansen, Anna Kreutzman, Satu Mustjoki
PURPOSE: Tyrosine kinase inhibitors (TKIs) have well-characterized immunomodulatory effects on T and NK cells, but the effects on the humoral immunity are less well known. In this project, we studied TKI-induced changes in B cell-mediated immunity. METHODS: We collected peripheral blood (PB) and bone marrow (BM) samples from chronic myeloid leukemia (CML) patients before and during first-line imatinib (n = 20), dasatinib (n = 16), nilotinib (n = 8), and bosutinib (n = 12) treatment...
March 23, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28337522/pre-symptomatic-autoimmunity-in-rheumatoid-arthritis-when-does-the-disease-start
#12
REVIEW
Alexander Tracy, Christopher D Buckley, Karim Raza
It is well recognised that a state of autoimmunity, in which immunological tolerance is broken, precedes the development of symptoms in the majority of patients with rheumatoid arthritis (RA). For individuals who will later develop seropositive disease, this manifests as autoantibodies directed against proteins that have undergone specific post-translational modifications. There is evidence that the induction of this autoantibody response occurs at peripheral extra-articular mucosal sites, such as the periodontium and lung...
March 23, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/28337207/gastrointestinal-microbiome-dysbiosis-in-infant-mice-alters-peripheral-cd8-t-cell-receptor-signaling
#13
Gabriela Gonzalez-Perez, Esi S N Lamousé-Smith
We recently reported that maternal antibiotic treatment (MAT) of mice in the last days of pregnancy and during lactation dramatically alters the density and composition of the gastrointestinal microbiota of their infants. MAT infants also exhibited enhanced susceptibility to a systemic viral infection and altered adaptive immune cell activation phenotype and function. CD8(+) effector T cells from MAT infants consistently demonstrate an inability to sustain interferon gamma (IFN-γ) production in vivo following vaccinia virus infection and in vitro upon T cell receptor (TCR) stimulation...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28337205/high-interferon-%C3%AE-uniquely-in-v%C3%AE-1-t-cells-correlates-with-markers-of-inflammation-and-axonal-damage-in-early-multiple-sclerosis
#14
Avadhesh Kumar Singh, Lenka Novakova, Markus Axelsson, Clas Malmeström, Henrik Zetterberg, Jan Lycke, Susanna L Cardell
We have identified a population of T lymphocytes in peripheral blood, Vδ1 TCRγδ T lymphocytes, which unexpectedly was uniquely expressing high production of interferon-γ in newly diagnosed, untreated multiple sclerosis (MS) patients. IFN-γ production in this population distinctly correlated to parameters of clinical disease activity, inflammation, and neuronal damage. These Vδ1 T lymphocytes belong to a population of innate T lymphocytes that recognize antigen in the context of CD1d/CD1c and which include reactivity to the myelin glycosphingolipid sulfatide...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28337115/hplc-dad-analysis-antinociceptive-and-anti-inflammatory-properties-of-the-ethanolic-extract-of-hyptis-umbrosa-in-mice
#15
Klécia S Dos Anjos, Heitor G Araújo-Filho, Marcelo C Duarte, Vicente C O Costa, Josean F Tavares, Marcelo S Silva, Jackson R G S Almeida, Nathália A C Souza, Larissa A Rolim, Irwin R A Menezes, Henrique D M Coutinho, Jullyana S S Quintans, Lucindo J Quintans-Júnior
Hyptis umbrosa (syn. Mesosphaerum sidifolium) (Lamiaceae Family) has been used to treat several conditions such as gastrointestinal disorders, skin infections, nasal congestion, fever and cramps. The objective of this study was to evaluate the chemical composition, analgesic and anti-inflammatory profiles of ethanol extract from leaves of Hyptis umbrosa (EEB). HPLC-DAD was used to determine the fingerprint chromatogram of the extract. Male Swiss mice were orally pretreated with EEB (100, 200 or 400 mg/kg; 60 min before initiating algesic stimulation) and antinociceptive activity was assessed using the acetic acid-induced writhing model, formalin test and hyperalgesia induced by glutamate or capsaicin...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28336575/pharmacologic-profile-of-naloxegol-a-peripherally-acting-%C3%A2%C2%B5-opioid-receptor-antagonist-for-the-treatment-of-opioid-induced-constipation
#16
Eike Floettmann, Khanh Bui, Mark Sostek, Kemal Payza, Michael Eldon
Opioid-induced constipation (OIC) is a common side effect of opioid pharmacotherapy for the management of pain because opioid agonists bind to µ-opioid receptors in the enteric nervous system (ENS). Naloxegol, a polyethylene glycol derivative of naloxone and a peripherally acting µ-opioid receptor antagonist, targets the physiologic mechanisms that cause OIC. Pharmacologic measures of opioid activity and pharmacokinetic measures of central nervous system (CNS) penetration were employed to characterize the mechanism of action of naloxegol...
March 23, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28336201/a-facile-method-for-isolation-of-recombinant-human-apolipoprotein-a-i-from-e-coli
#17
Nikita Ikon, Jennifer Shearer, Jianfang Liu, Jesse J Tran, ShiBo Feng, Ayako Kamei, Jennifer A Beckstead, Robert S Kiss, Paul M Weers, Gang Ren, Robert O Ryan
Apolipoprotein (apo) A-I is the major protein component of high-density lipoprotein (HDL) and plays key roles in the Reverse Cholesterol Transport pathway. In the past decade, reconstituted HDL (rHDL) has been employed as a therapeutic agent for treatment of atherosclerosis. The ability of rHDL to promote cholesterol efflux from peripheral cells has been documented to reduce the size of atherosclerotic plaque lesions. However, development of apoA-I rHDL-based therapeutics for human use requires a cost effective process to generate an apoA-I product that meets "Good Manufacturing Practice" standards...
March 20, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28336159/the-anticholinergic-impregnation-scale-towards-the-elaboration-of-a-scale-adapted-to-prescriptions-in-french-psychiatric-settings
#18
Jeanne Briet, Hervé Javelot, Edwige Heitzmann, Luisa Weiner, Catherine Lameira, Philippe D'Athis, Marie Corneloup, Jean-Louis Vailleau
PURPOSE: Some drugs have anticholinergic activity and can cause peripheral or central side effects. Several scales exist to evaluate the potential anticholinergic effect of prescribed drugs but: (i) they are validated in the elderly and mainly assess the cognitive side effect of treatments; (ii) they do not concern some of the drugs frequently used in clinical psychiatry in France. The aim of our study is to develop a new scale, the anticholinergic impregnation scale (AIS), with drugs used in France and based on an assessment of the drugs used against peripheral anticholinergic adverse effects...
February 17, 2017: Thérapie
https://www.readbyqxmd.com/read/28336086/incretin-hormones-regulate-microglia-oxidative-stress-survival-and-expression-of-trophic-factors
#19
Lindsay Joy Spielman, Deanna Lynn Gibson, Andis Klegeris
The incretin hormones glucagon-like peptide (GLP)-1 and glucose-dependent insulinotropic polypeptide (GIP) are primarily known for their metabolic function in the periphery. GLP-1 and GIP are secreted by intestinal endocrine cells in response to ingested nutrients. Both GLP-1 and GIP stimulate the production and release of insulin from pancreatic β cells as well as exhibit several growth-regulating effects on peripheral tissues. GLP-1 and GIP are also present in the brain, where they provide modulatory and anti-apoptotic signals to neurons...
March 8, 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/28336057/hemorrhage-and-or-microaneurysm-severity-and-count-in-ultrawide-field-images-and-early-treatment-diabetic-retinopathy-study-photography
#20
Paolo S Silva, Hala El-Rami, Rasha Barham, Aditi Gupta, Alan Fleming, Jano van Hemert, Jerry D Cavallerano, Jennifer K Sun, Lloyd Paul Aiello
OBJECTIVE: To evaluate detection of hemorrhage and/or microaneurysm (H/Ma) using ultrawide field (UWF) retinal imaging as compared with standard Early Treatment Diabetic Retinopathy Study (ETDRS) 7-field photographs (ETDRS photos). DESIGN: Single-site comparative study of UWF images and ETDRS photos. PARTICIPANTS: One hundred twenty-six eyes of 69 patients with no diabetic retinopathy (DR) or mild or moderate nonproliferative DR (NPDR). METHODS: Stereoscopic 200° UWF images and stereoscopic 35mm 30° 7-field color photographs were acquired on the same visit...
March 20, 2017: Ophthalmology
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