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https://www.readbyqxmd.com/read/29141676/platelets-are-activated-in-anca-associated-vasculitis-via-thrombin-pars-pathway-and-can-activate-the-alternative-complement-pathway
#1
Di Miao, Dan-Yang Li, Min Chen, Ming-Hui Zhao
BACKGROUND: In this study, we investigated the mechanism of platelet activation in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), as well as the activation of the alternative complement pathway by platelets in AAV. METHODS: CD62P and platelet-leukocyte aggregates in AAV patients were tested by flow cytometry. Platelets were stimulated by plasma from active AAV patients. The effect of the thrombin-protease-activated receptors (PARs) pathway was evaluated by blocking thrombin or PAR1 antagonists...
November 15, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29139189/clostridium-difficile-infection-in-hospitalized-octogenarian-patients
#2
Anca Trifan, Irina Girleanu, Carol Stanciu, Egidia Miftode, Camelia Cojocariu, Ana-Maria Singeap, Catalin Sfarti, Stefan Chiriac, Tudor Cuciureanu, Oana Stoica
AIM: To evaluate the risk factors and outcome of Clostridium difficile infection in hospitalized octogenarian patients. METHODS: A retrospective analysis of risk factors and outcome of C. difficile infection in hospitalized octogenarians was carried out at two academic centers in Romania from January 2014 to September 2016. Demographic, clinical and laboratory characteristics; antibiotics and proton pump inhibitors use in-hospital and 2 months before admission; comorbidities; length of hospital stay; treatment; and outcome were carefully collected from the patients' medical charts and compared with those from octogenarians hospitalized during the same period...
November 15, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29136340/dermatological-addendum-to-the-2012-international-chapel-hill-consensus-conference-nomenclature-of-vasculitides
#3
Cord H Sunderkötter, Bernhard Zelger, Ko-Ron Chen, Luis Requena, Warren Piette, J Andrew Carlson, Jan Dutz, Peter Lamprecht, Alfred Mahr, Elisabeth Aberer, Victoria P Werth, David A Wetter, Seiji Kawana, Raashid Luqmani, Camille Frances, Joseph Jorizzo, J Richard Watts, Dieter Metze, Marzia Caproni, Erkan Alpsoy, Jeffrey P Callen, David Fiorentino, Peter A Merkel, Ronald J Falk, J Charles Jennette
OBJECTIVE: The objective of this project was to prepare a dermatologic addendum to the 2012 Chapel Hill consensus conference nomenclature to address vasculitides affecting the skin. The goal was to standardize names and definitions for cutaneous vasculitis. METHODS: A nominal group technique with a facilitator was used to reach a consensus using multiple face-to-face meetings, e-mail discussions, and teleconferences. RESULTS: Standardized names, definitions and descriptions are provided for cutaneous components of systemic vasculitides (e...
November 14, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29133754/comparison-of-clinical-features-between-pyoderma-gangrenosum-concomitant-by-inflammatory-bowel-disease-and-idiopathic-pyoderma-gangrenosum
#4
Yan-Yun Jiang, Ji Li, Yue Li, Qiang Wang, Shuang Liu, Kai Fang, Jia-Ming Qian, Hong-Zhong Jin
BACKGROUND: Pyoderma gangrenosum (PG) is a rare neutrophilic dermatosis that is highly associated with inflammatory bowel disease (IBD). Certain PG patients with no systemic disorders have been diagnosed with idiopathic PG. This study sought to clarify the difference between PG with IBD and idiopathic PG based on clinical features, laboratory tests, and medications. METHODS: Twelve patients with PG and IBD and 24 patients with idiopathic PG, who were hospitalized in Peking Union Medical College Hospital from 2000 to 2017, were retrospectively categorized into the IBD group and control group, respectively...
November 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29126799/mitodepressive-antioxidant-antifungal-and-anti-inflammatory-effects-of-wild-growing-romanian-native-arctium-lappa-l-asteraceae-and-veronica-persica-poiret-plantaginaceae
#5
Radu Claudiu Fierascu, Milen I Georgiev, Irina Fierascu, Camelia Ungureanu, Sorin Marius Avramescu, Alina Ortan, Mihaela Ioana Georgescu, Anca Nicoleta Sutan, Anca Zanfirescu, Cristina Elena Dinu-Pirvu, Bruno Stefan Velescu, Valentina Anuta
The present study aims to evaluate the potential uses of hydroalcoholic extracts obtained from Romanian native wild-growing plants. The hydroalcoholic extracts were obtained from the burdock roots and respectively the aerial parts of birdeye speedwell. The extracts were characterised by HPLC (quantifying 13 compounds in the V. persica extract, 6 compounds in the A. lappa extract and confirming the presence of arctiin and arctigenin in the burdock extract). The antioxidant potential of the crude extracts was evaluated using two methods: the DPPH assay (79...
November 7, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29119480/rheumatoid-factor-false-positivity-in-patients-with-anca-associated-vasculitis-not-having-medical-conditions-producing-rheumatoid-factor
#6
Jae-Seung Moon, Diane Da-Hyun Lee, Yong-Beom Park, Sang-Won Lee
We investigated the rate of rheumatoid factor (RF) false positivity at diagnosis and its influence on clinical and prognostic features and rheumatoid arthritis (RA) development during the follow-up in antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) patients without RA or other medical conditions triggering RF false positivity. We reviewed the medical records of 128 AAV patients. We divided patients with AAV and each variant into two groups according to RF positivity and compared variables between the two groups...
November 8, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29112063/sex-based-differences-in-neurocognitive-functioning-in-hiv-infected-young-adults
#7
Ruxandra Burlacu, Anya Umlauf, Anca Luca, Sara Gianella, Roxana Radoi, Simona M Ruta, Thomas D Marcotte, Luminita Ene, Cristian L Achim
INTRODUCTION: Sex differences in cognition of HIV positive (HIV+) patients are controversial. We aimed to investigate the relationship between cognition, HIV status, and sex, in a highly homogenous cohort of young Romanians parenterally infected during early childhood. METHODS: 250 HIV+ participants were compared to age-matched HIV negative (HIV-) controls (n = 72) in a cross-sectional study. After standardized neurocognitive, psychological testing and medical evaluation, linear regression was used to assess the effect of sex and HIV on neurocognitive outcomes...
November 2, 2017: AIDS
https://www.readbyqxmd.com/read/29106654/the-population-level-costs-of-immunosuppression-medications-for-the-treatment-of-glomerulonephritis-are-increasing-over-time-due-to-changing-patterns-of-practice
#8
Sean Barbour, Clifford Lo, Gabriela Espino-Hernandez, Sharareh Sajjadi, John Feehally, Scott Klarenbach, Jagbir Gill
Background: Immunosuppression (IS) is the main treatment for most types of glomerulonephritis (GN). Quantifying the cost of IS is necessary to ensure equitable access to therapies and optimal health outcomes, but the real-world cost of IS treatment for GN is largely unknown. We examined temporal changes in the population-level IS medication costs for GN over a 14-year period in a large Canadian province. Methods: We linked a provincial pathology database (containing all GN cases from 2000 to 2012) with renal and medication administrative databases to capture clinical characteristics and IS medications, with follow-up until 2013...
July 2, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29106439/increased-diastolic-blood-pressure-is-associated-with-mri-biomarkers-of-dementia-related-brain-pathology-in-normative-ageing
#9
Christopher J McNeil, Phyo Kyaw Myint, Anca-Larisa Sandu, John F Potter, Roger Staff, Lawrence J Whalley, Alison D Murray
Background: hypertension is a risk for brain ageing, but the mechanisms underlying this effect remain unclear. Magnetic resonance imaging (MRI) detected biomarkers of brain ageing include white matter hyperintensities (WMHs), a marker of cerebrovascular disease, and hippocampal volume, a marker of Alzheimer's disease pathology. Objective: to examine relationships between blood pressure (BP) components and brain pathology in older adults. Subjects: two hundred and twenty-seven members of the Aberdeen 1936 Birth Cohort between ages 64 and 68 years...
July 4, 2017: Age and Ageing
https://www.readbyqxmd.com/read/29105687/-early-and-mid-term-results-of-the-transapical-aortic-valve-symetis-acurate-ta-a-viable-solution-in-high-risk-patients-with-severe-vascular-disease
#10
Giuseppe Rescigno, Maria Giovanna Fratesi, Carlo Aratari, Stefano Moretti, Filippo Capestro, Massimiliano Serenelli, Luca Piangerelli, Anca Delca, Gian Piero Perna, Alessandro Capucci, Marco Di Eusanio
BACKGROUND: Aortic valve stenosis is the most common valvular disease in the elderly. Transcatheter aortic valve implantation represents a viable alternative to conventional aortic valve replacement. In our Department, the transapical approach is the preferred method in patients with severe peripheral vascular disease. The aim of this study was to analyze the early and midterm results of Symetis Acurate TA implantation in our series. METHODS: From June 2013 to January 2017, 21 patients with severe peripheral vascular disease (11 male, mean age 78 ± 2...
October 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/29101552/long-term-renal-outcome-in-pediatric-glomerulonephritis-associated-with-crescent-formation
#11
Pornpimol Rianthavorn, Manunya Chacranon
BACKGROUND: Information on long-term renal outcome of pediatric glomerulonephritis associated with crescent formation is limited. A single center retrospective study was conducted to assess long-term renal survival and to determine whether the 2010 classification for antineutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis can predict renal outcome in pediatric glomerulonephritis associated with crescent formation. METHODS: Biopsy and clinical data of children, aged ≤ 18 years with ≥ 10 glomeruli and ≥ 10% crescentic glomeruli during January 1998 to December 2015, were reviewed...
November 3, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29099655/multimarker-assessment-of-diastolic-dysfunction-in-metabolic-syndrome-patients
#12
Mihaela Mocan, Florin Anton, Șoimița Suciu, Rodica Răhăian, Sorin Nicu Blaga, Anca Daniela Fărcaș
BACKGROUND: Metabolic syndrome (MetS) has been associated with left ventricular diastolic dysfunction (LVDD) with preserved systolic function. This study aims at identifying the predictive factors for LVDD in MetS patients. METHODS: The studied group comprised 72 consecutive hospitalized patients (2010-2011) diagnosed with MetS based on AHA/NHLBI/IDF 2009 definition, free of cardiovascular disease (36.11% males, age 59.19 ± 5.26 years), who underwent echocardiographic examination...
November 3, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/29099568/a-case-report-on-suspected-levamisole-induced-pseudovasculitis
#13
Tiffany Fan, Jeffrey Macaraeg, Toufik Mahfood Haddad, Holly Bacon, Duc Le, Mohsin Mirza, Carrie Valenta, Tammy Wichman
INTRODUCTION: Levamisole-induced pseudovasculitis should be considered in patients with inconsistent anti-neutrophil cytoplasmic antibodies (ANCA) pattern and history of cocaine use. CASE PRESENTATION: A 50-year-old man presented to the emergency department with symptoms of bilateral pulmonary emboli. His hospital course was complicated by multiple end organ failure, which improved dramatically with prednisone. Although he was diagnosed previously with granulomatosis with polyangiitis due to positive proteinase 3 (PR3), myeloperoxidase (MPO), perinuclear anti-neutrophil cytoplasmic antibodies (P-ANCA) and cytoplasmic anti-neutrophil cytoplasmic antibodies (C-ANCA) markers, his longstanding cocaine use and history of skin ulcers, thrombotic events, and febrile illnesses suggested a diagnosis of levamisole-induced pseudovasculitis instead...
February 2017: WMJ: Official Publication of the State Medical Society of Wisconsin
https://www.readbyqxmd.com/read/29090033/first-report-of-pachyonychia-congenita-type-pc-k6a-in-the-romanian-population
#14
Anca Chiriac, Cristina Rusu, Alina Murgu, Anca E Chiriac, Neil J Wilson, Frances J D Smith
Pachyonychia congenita (PC) is a rare autosomal dominant skin disorder, with unknown prevalence, although it is estimated there are between 2,000 and 10,000 cases of PC worldwide. The International PC Research Registry (IPCRR) has currently identified (as of November 2016) 746 individuals (in 403 families) with genetically confirmed PC. Heterozygous mutations, predominantly missense mutations, in any one of five keratin genes, KRT6A, KRT6B, KRT6C, KRT16, or KRT17 cause PC. The predominant clinical findings include plantar keratoderma, plantar pain and variable dystrophy of some or all toenails and/ or fingernails...
June 2017: Mædica
https://www.readbyqxmd.com/read/29088997/clinical-characteristics-and-outcomes-of-propylthiouracil-induced-antineutrophil-cytoplasmic-antibody-associated-vasculitis-in-patients-with-graves-disease-a-median-38-month-retrospective-cohort-study-from-a-single-institution-in-china
#15
Jun Yang, Lin-Peng Yao, Mengjie Dong, Qin Xu, Jun Zhang, Wan-Wen Weng, Feng Chen
BACKGROUND: This study sought to investigate the clinical characteristics and outcomes of propylthiouracil (PTU)-induced antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis in patients with Graves' disease. METHODS: Sixteen patients diagnosed with PTU-induced ANCA-associated vasculitis in our hospital from January 2010 to June 2017 were analyzed retrospectively. RESULTS: All sixteen patients with PTU-induced ANCA-associated vasculitis were female...
October 31, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29082297/distinct-pathogenesis-in-nonsystemic-vasculitic-neuropathy-and-microscopic-polyangiitis
#16
Mie Takahashi, Haruki Koike, Shohei Ikeda, Yuichi Kawagashira, Masahiro Iijima, Atsushi Hashizume, Masahisa Katsuno, Gen Sobue
OBJECTIVE: To investigate the mechanisms of vasculitis in nonsystemic vasculitic neuropathy (NSVN) and microscopic polyangiitis (MPA), focusing on complement- and antineutrophil cytoplasmic antibody (ANCA)-associated pathogenesis. METHODS: Sural nerve biopsy specimens taken from twenty-four patients with NSVN and 37 with MPA-associated neuropathy (MPAN) were examined. Twenty-two patients in the MPAN group tested positive for ANCA. RESULTS: Immunostaining for complement component C3d deposition showed more frequent positive staining of epineurial small vessels in NSVN than in MPAN (p = 0...
November 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/29080393/lipid-profile-pattern-in-pediatric-overweight-population-with-or-without-nafld-in-relation-to-idf-criteria-for-metabolic-syndrome-a-preliminary-study
#17
Anca Bălănescu, Paul Bălănescu, Valentina Comanici, Iustina Stan, Beata Acs, Laura Prisăcariu, Florin Brezan, Tatiana Ciomârtan, Ioan Gherghina
BACKGROUND AND AIMS: The aim of this study is to assess the lipid profile pattern of pediatric overweight and/or obese patients with Non-Alcoholic Fatty Liver Disease (NAFLD) in relation to IDF Consensus Criteria for Metabolic Syndrome (MetS). MATERIAL AND METHODS: We conducted a cross-sectional preliminary study on 45 consecutive pediatric patients. Overweight or obese children aged from 3 to 18 years were included. Standardized measurement of blood pressure and anthropometric parameters were performed...
October 26, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/29065493/trace-oxygen-sensitive-material-based-on-two-porphyrin-derivatives-in-a-heterodimeric-complex
#18
Eugenia Fagadar-Cosma, Valentin Badea, Gheorghe Fagadar-Cosma, Anca Palade, Anca Lascu, Ionela Fringu, Mihaela Birdeanu
The successful preparation of a novel dimer complex formed between 5,10,15,20-tetrakis(3,4-dimethoxyphenyl)-porphyrin Fe(III) chloride and (5,10,15,20-tetraphenylporphinato) dichlorophosphorus(V) chloride using the well-known reactivity of the P-X bond is reported. The obtained complex was characterized by UV-vis, Fourier transform infrared spectroscopy (FT-IR), fluorescence, ¹H-NMR, (13)C-NMR, and (31)P-NMR spectroscopic techniques and also by additional Heteronuclear Single Quantum Coherence (HSQC) and Heteronuclear Multiple Bond Correlation (HMBC) experiments in order to correctly assign the NMR signals...
October 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29061496/sdf-1-cxcr4-expression-is-an-independent-negative-prognostic-biomarker-in-patients-with-head-and-neck-cancer-after-primary-radiochemotherapy
#19
Chiara De-Colle, Apostolos Menegakis, David Mönnich, Stefan Welz, Simon Boeke, Bence Sipos, Falko Fend, Paul-Stefan Mauz, Inge Tinhofer, Volker Budach, Jehad Abu Jawad, Martin Stuschke, Panagiotis Balermpas, Claus Rödel, Anca-Ligia Grosu, Amir Abdollahi, Jürgen Debus, Claus Belka, Ute Ganswindt, Steffi Pigorsch, Stephanie E Combs, Fabian Lohaus, Annett Linge, Mechthild Krause, Michael Baumann, Daniel Zips
INTRODUCTION: Preclinical and clinical data suggest that the chemokine pathway governed by SDF-1 and CXCR4 contributes to a resistant phenotype. This retrospective biomarker study aims to explore the specific prognostic value of SDF-1 and CXCR4 expression in locally advanced head and neck squamous cell carcinomas (HNSCC) treated with primary radiochemotherapy (RT-CT). MATERIAL AND METHODS: Biopsies from 141 HNSCC tumours of the oral cavity, oropharynx and hypopharynx were evaluated for SDF-1 and CXCR4 expression by immunofluorescence...
October 20, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29056396/serology-in-autoimmune-hepatitis-a-clinical-practice-approach
#20
REVIEW
Benedetta Terziroli Beretta-Piccoli, Giorgina Mieli-Vergani, Diego Vergani
Serology is key to the diagnosis of autoimmune hepatitis (AIH). Clinicians need to be aware of which tests to request, how to interpret the laboratory reports, and be familiar with the laboratory methodology. If correctly tested, >95% of AIH patients show some serological reactivity. Indirect immunofluorescence on triple rodent tissue is recommended as first screening step, since it allows the detection of all liver-relevant autoantibodies, except for anti-soluble liver antigen (SLA) antibody, which needs to be detected by molecular based assays...
October 19, 2017: European Journal of Internal Medicine
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