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anca associated vasculitis

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https://www.readbyqxmd.com/read/28229825/anca-associated-pauci-immune-glomerulonephritis-always-pauci-immune
#1
Valeria Scaglioni, Marina Scolnik, Luis J Catoggio, Silvia B Christiansen, Carlos F Varela, Gustavo Greloni, Guillermo J Rosa-Diez, Enrique R Soriano
OBJECTIVES: Anti-neutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis (GN) is considered "pauci-immune" with absent or mild glomerular tuft staining for immunoglobulin (Ig) and/or complement. However, it is not unusual to see some immune deposits (ID) within glomeruli on immunofluorescence (IF). We determined to evaluate the prevalence and clinical significance of immune deposits in ANCA-associated GN. METHODS: We included all patients with ANCA associated vasculitis with renal biopsies between January 2002 and May 2014: granulomatosis with polyangiitis, eosinophilic granulomatosis with polyangiitis, microscopic polyangiitis and renal limited vasculitis...
January 31, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28225490/clinical-characteristics-and-outcome-of-spanish-patients-with-anca-associated-vasculitides-impact-of-the-vasculitis-type-anca-specificity-and-treatment-on-mortality-and-morbidity
#2
Roser Solans-Laqué, Guadalupe Fraile, Monica Rodriguez-Carballeira, Luis Caminal, Maria J Castillo, Ferran Martínez-Valle, Luis Sáez, Juan J Rios, Xavier Solanich, Joaquim Oristrell, Francisco Pasquau, Eva Fonseca, Monica Zamora, Jose L Callejas, Begoña Frutos, Monica Abdilla, Patricia Fanlo, Isabel García-Sánchez, Miguel López-Dupla, Bernardo Sopeña, Almudena Pérez-Iglesias, Josep A Bosch
The aim of this study was to describe the clinical characteristics of ANCA-associated vasculitides (AAV) at presentation, in a wide cohort of Spanish patients, and to analyze the impact of the vasculitis type, ANCA specificity, prognostic factors, and treatments administered at diagnosis, in the outcome.A total of 450 patients diagnosed between January 1990 and January 2014 in 20 Hospitals from Spain were included. Altogether, 40.9% had granulomatosis with polyangiitis (GPA), 37.1% microscopic polyangiitis (MPA), and 22% eosinophilic granulomatosis with polyangiitis (EGPA)...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28217942/hypertrophic-pachymeningitis-is-a-characteristic-manifestation-of-granulomatosis-with-polyangiitis-a-retrospective-study-of-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis
#3
Yasuhiro Shimojima, Dai Kishida, Akiyo Hineno, Masahide Yazaki, Yoshiki Sekijima, Shu-Ichi Ikeda
AIM: To elucidate the characteristics of patients with hypertrophic pachymeningitis (HP) in a population with anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). METHODS: We retrospectively investigated the clinical records of 39 patients who were diagnosed with AAV. To determine the characteristics of HP in AAV, the epidemiological and clinical data from patients with HP were statistically compared with those from patients without HP. RESULTS: Of 39 patients with AAV, seven (17...
February 20, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28214498/vasculitic-and-autoimmune-wounds
#4
REVIEW
Victoria K Shanmugam, Divya Angra, Hamza Rahimi, Sean McNish
OBJECTIVE: Chronic wounds are a major cause of morbidity and mortality. Approximately 20% to 23% of nonhealing wounds that are refractory to vascular intervention have other causes, including vasculitis, pyoderma gangrenosum, and other autoimmune diseases. The purpose of this article was to review the literature across medical and surgical specialties with regard to refractory chronic wounds associated with vasculitis and autoimmune diseases and to delineate clinical outcomes of these wounds in response to vascular and other interventions...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28206609/sphingosine-1-phosphate-and-its-receptors-in-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis
#5
Xiao-Jing Sun, Chen Wang, Lu-Xia Zhang, Feng Yu, Min Chen, Ming-Hui Zhao
No abstract text is available yet for this article.
February 16, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28205311/management-of-cardiovascular-risk-factors-in-patients-with-anca-associated-vasculitis
#6
Carsten Paul Bramlage, Juliane Kröplin, Manuel Wallbach, Joan Minguet, Katherine Helen Smith, Stephan Lüders, Joachim Schrader, Susan Patschan, Oliver Gross, Cornelia Deutsch, Peter Bramlage, Gerhard Anton Müller, Michael Koziolek
OBJECTIVES: Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is accompanied by increased cardiovascular (CV) risk. Treatment of AAV patients includes the management of conventional CV risk factors, primarily hypertension and hypercholesterolemia, while lipoprotein(a) (LP(a)) is an emerging potential target. METHODS: We performed a multicenter, retrospective study in Germany. Patients were considered if they were between 18 and 90 years old and presented with AAV...
February 16, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28202741/seasonal-influence-on-the-risk-of-relapse-at-a-rise-of-antineutrophil-cytoplasmic-antibodies-in-vasculitis-patients-with-renal-involvement
#7
Michael J Kemna, Jan Willem Cohen Tervaert, Kelly Broen, Sjoerd A M E G Timmermans, Pieter van Paassen, Jan G M C Damoiseaux
OBJECTIVE: The objective of this study was to identify risk factors for a relapse at the time of an increase in antineutrophil cytoplasmic antibodies (ANCA) in patients with renal ANCA-associated vasculitis (AAV). METHODS: All patients between January 2000 and November 2011 with renal AAV having an ANCA rise during remission were included. Differences in time to relapse since the ANCA rise were assessed using a Cox regression model. The level of 25-hydroxy Vitamin D (25(OH)D) was assessed at the ANCA rise and at a subsequent relapse or time-matched during remission...
February 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28196580/anti-neutrophil-cytoplasmic-antibody-associated-vasculitis-with-renal-involvement-analysis-of-89-cases
#8
Fernando Caravaca-Fontán, Estefanía Yerovi, María Delgado-Yagu E, Cristina Galeano, Saúl Pampa-Saico, Maria Teresa Tenorio, Fernando Liaño
INTRODUCTION: The anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis with renal involvement are associated with high morbi-mortality. In this study we analyse if the prognosis of these diseases have improved in recent years, and which factors influence the outcomes. MATERIAL AND METHODS: Retrospective single-centre observational study, which included all patients diagnosed with microscopic polyangiitis and granulomatosis with polyangiitis with renal involvement in the last 25 years...
January 6, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28191609/complement-blockade-in-anca-associated-vasculitis-an-index-case-current-concepts-and-future-perspectives
#9
REVIEW
Lucio Manenti, Maria Letizia Urban, Federica Maritati, Maricla Galetti, Augusto Vaglio
Complement alternative pathway (cAP) hyperactivation seems to be involved in ANCA-associated vasculitis (AAV). We here describe a case of AAV with severe activation of cAP that developed acute renal failure. No mutation predisposing to cAP dysregulation was identified. We treated our patient with the standard immunosuppressive therapy, but disease progression was only reversed after the addition of eculizumab, a monoclonal antibody against C5; the patient eventually achieved an almost complete renal function recovery...
February 13, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28187981/deglycosylation-of-myeloperoxidase-uncovers-its-novel-antigenicity
#10
Jun-Tao Yu, Jian-Nan Li, Jia Wang, Xiao-Yu Jia, Zhao Cui, Ming-Hui Zhao
Myeloperoxidase (MPO) is a common target antigen of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis and is recognized in one-third of patients with anti-glomerular basement membrane (GBM) disease. Our previous study identified over 60% of patients with anti-GBM disease recognizing linear peptides of MPO heavy chain. Here we tested whether aberrant glycosylation alters MPO antigenicity through exposure of neo-epitopes on MPO molecules. Atypical glycosylated MPO molecules, including all possible glycosylation types, were prepared by exoglycosidase and endoglycosidase treatments...
February 7, 2017: Kidney International
https://www.readbyqxmd.com/read/28186571/end-stage-renal-disease-in-anca-associated-vasculitis
#11
Sergey Moiseev, Pavel Novikov, David Jayne, Nikolay Mukhin
No abstract text is available yet for this article.
February 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28181422/hmgb1-contributes-to-glomerular-endothelial-cell-injury-in-anca-associated-vasculitis-through-enhancing-endothelium-neutrophil-interactions
#12
Chen Wang, Dong-Yuan Chang, Min Chen, Ming-Hui Zhao
Our previous studies demonstrated that high mobility group box-1 (HMGB1), a typical damage-associated molecular pattern (DAMP) protein, is associated with the disease activity of antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). Moreover, HMGB1 participates in ANCA-induced neutrophil activation. The current study aimed to investigate whether HMGB1 regulated the interaction between neutrophils and glomerular endothelial cells (GEnC) in the presence of ANCA. Correlation analysis on HMGB1 levels in AAV patients and soluble intercellular cell adhesion molecule-1 (sICAM-1) levels or vascular endothelial growth factor (VEGF) levels, which are markers of endothelial cell activation, was performed...
February 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28169190/galactosylation-and-sialylation-levels-of-igg-predict-relapse-in-patients-with-pr3-anca-associated-vasculitis
#13
Michael J Kemna, Rosina Plomp, Pieter van Paassen, Carolien A M Koeleman, Bas C Jansen, Jan G M C Damoiseaux, Jan Willem Cohen Tervaert, Manfred Wuhrer
OBJECTIVE: The objective of our study is to investigate the Fc glycosylation profiles of both antigen-specific IgG targeted against proteinase 3 (PR3-ANCA) and total IgG as prognostic markers of relapse in patients with Granulomatosis with Polyangiitis (GPA). METHODS: Seventy-five patients with GPA and a PR3-ANCA rise during follow-up were included, of whom 43 patients relapsed within a median period of 8 (2-16) months. The N-glycan at Asn297 of affinity-purified and denatured total IgG and PR3-ANCA was determined by mass spectrometry of glycopeptides in samples obtained at the time of the PR3-ANCA rise and at the time of the relapse or time-matched during remission...
January 28, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28166084/unexpected-complication-of-cocaine-associated-anti-neutrophil-cytoplasmic-antibody-vasculitis-related-to-persistent-in-hospital-cocaine-use
#14
Travis D Olives, Rebecca L Kornas, Russell Fujisawa, Jon B Cole
INTRODUCTION: Levamisole-adulterated cocaine has been implicated in anti-neutrophil cytoplasmic antibody (ANCA) vasculitis. We present a case of spontaneous intraperitoneal hemorrhage, an unexpectedly severe complication of cocaine-related ANCA vasculitis, developing late during hospitalization. CASE REPORT: An adult male with a history of hepatitis C, distant cocaine use, and limited health care presented to a local emergency department (ED) with volume overload, renal failure, hyperkalemia and non-anion gap metabolic acidosis...
February 3, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28155022/rituximab-in-anca-associated-vasculitis
#15
REVIEW
Romina I Hassan, Angelo L Gaffo
PURPOSE OF REVIEW: The purpose of this review is to describe the efficacy and safety of rituximab (RTX) as a remission induction and maintenance therapy in ANCA-associated vasculitis (AAV). RECENT FINDINGS: A PubMed search was carried out to track down articles published between February 2006 and February 2016. Randomized controlled trials (RCTs) that encompassed patients with AAV were included. The American College of Rheumatology (ACR) and the European League against Rheumatism (EULAR) 2014-2015 online abstracts were also reviewed whether they were RTCs or not...
February 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28152491/aggregatibacter-aphrophilus-infective-endocarditis-confirmed-by-broad-range-pcr-diagnosis-a-case-report
#16
Koji Hirano, Toshiya Tokui, Masahiro Inagaki, Taro Fujii, Yasumi Maze, Hirokazu Toyoshima
INTRODUCTION: Aggregatibacter aphrophilus is a rare cause of infective endocarditis. This pathogen is difficult to identify with common culture methods, which can lead to incorrect diagnosis and treatment. PRESENTATION OF CASE: A 72-year-old woman was admitted to a community hospital with a persistent high fever and deteriorating renal function. Based on negative blood culture and positive serum proteinase 3 anti-neutrophil cytoplasmic antibody (PR3-ANCA), acute renal failure associated with ANCA-rerated vasculitis was initially suspected...
January 19, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28148583/anca-associated-vasculitis
#17
Max Yates, Richard Watts
The vasculitides are a heterogeneous group of conditions typified by their ability to cause vessel inflammation with or without necrosis. They present with a wide variety of signs and symptoms and, if left untreated, carry a significant burden of mortality and morbidity. The antineutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAV) are three separate conditions - granulomatosis with polyangiitis (GPA; formerly known as Wegener's granulomatosis), microscopic polyangiitis (MPA), and eosinophilic granulomatosis with polyangiitis (EGPA; previously known as Churg-Strauss syndrome)...
February 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28134583/pathology-of-antineutrophil-cytoplasmic-antibody-associated-pulmonary-and-renal-disease
#18
Maxwell L Smith
CONTEXT: -Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis commonly presents with pulmonary and renal involvement that may present diagnostic challenges. OBJECTIVES: -To highlight the updates in the classification of small vessel vasculitis, present the patterns of pulmonary and renal pathology in which ANCA-associated vasculitis is included in the differential diagnosis, analyze the screening and specific antineutrophil cytoplasmic antibody testing methods in the clinical laboratory, compare and contrast the 3 major ANCA-associated vasculitis diseases, and review the pathophysiologic mechanisms of tissue injury in this setting...
February 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28134075/cyclophosphamide-followed-by-rituximab-for-aggressive-multiple-relapsing-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#19
Sophia Lionaki, George E Fragoulis, Aliki Venetsanopoulou, Panagiotis Vlachoyiannopoulos, John N Boletis, Athanasios G Tzioufas
OBJECTIVES: To evaluate the long term outcomes of patients with multi-relapsing antineutrophil cytoplasmic antibody-associated vasculitis (AAV), who received sequentially therapy with cyclophosphamide and rituximab, upon new onset of aggressive vasculitis. METHODS: We retrospectively studied patients with multiple-relapsing AAV, who were treated with the standard regimen plus rituximab, given in sequence, upon a major relapse, compared to historical patients, who had been treated with the standard regimen alone in the same setting...
January 25, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28133935/post-transplant-immune-complex-nephritis-in-a-patient-with-systemic-lupus-erythematosus-associated-with-anca-vasculitis
#20
Carlos Sanchez, Alejandra Rebolledo, Junior Gahona, Mauricio Rojas, Raquel Jiménez, Aurora Bojórquez
Nearly 20% of SLE corresponds to the pediatric population, and 75% of them have kidney involvement representing an important etiology of chronic kidney disease. A correlation between SLE and ANCA-associated vasculitis has been identified as an overlapping syndrome. Kidney allograft recurrence is rare in SLE when disease control is achieved and with nowadays immunosuppression treatment. Histologic transformation is unusual, especially when there are negative serologic markers and no immune complex deposition reported in native kidneys...
January 29, 2017: Pediatric Transplantation
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