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anca associated vasculitis

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https://www.readbyqxmd.com/read/28710096/response-to-mortality-in-anca-associated-vasculitis-mission-incomplete-by-moiseev-et-al
#1
Juan Antonio Avina-Zubieta, Natasha Dehghan, Ju Ann Tan
No abstract text is available yet for this article.
July 14, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28690094/-relevance-assessment-of-requests-for-antineutrophil-cytoplasmic-antibodies-detection-retrospective-study-led-in-bordeaux-hospital-france
#2
P Biscay, M Ralazamahaleo, E Lazaro, C Richez, J Seneschal, C Rigothier, C Contin-Bordes, P Duffau
INTRODUCTION: During year 2013, 5943 tests for antineutrophil cytoplasmic antibodies (ANCA) detection were performed in Bordeaux hospital, France. This seemed disproportionate, with regard to the low prevalence of ANCA-associated vasculitis (AAV). Our purpose was to evaluate the relevance of these requests. METHODS: Requests for detection of ANCA during 2013 were recorded, with their results. A sample of 501 requests was secondarily established. Relevance of requests was assessed independently by two reviewers...
July 6, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28687535/endothelial-nf-%C3%AE%C2%BAb-blockade-abrogates-anca-induced-gn
#3
Mira Choi, Adrian Schreiber, Claudia Eulenberg-Gustavus, Claus Scheidereit, Jan Kamps, Ralph Kettritz
ANCA-associated vasculitis (AAV) is a highly inflammatory condition in which ANCA-activated neutrophils interact with the endothelium, resulting in necrotizing vasculitis. We tested the hypothesis that endothelial NF-κB mediates necrotizing crescentic GN (NCGN) and provides a specific treatment target. Reanalysis of kidneys from previously examined murine NCGN disease models revealed NF-κB activation in affected kidneys, mostly as a p50/p65 heterodimer, and increased renal expression of NF-κB-dependent tumor necrosis factor α (TNF-α)...
July 7, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28674351/azathioprine-intolerance-in-japanese-patients-with-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#4
Michiko Morishita, Haruki Watanabe, Minglu Yan, Sonia Zeggar, Sumie Hiramatsu, Keiji Ohashi, Yoshia Miyawaki, Eri Katsuyama, Takayuki Katsuyama, Mariko Takano Narazaki, Noriko Toyota Tatebe, Katsue Sunahori Watanabe, Tomoko Kawabata, Ken-Ei Sada, Jun Wada
Objective To assess the safety of azathioprine (AZA) in Japanese patients with antineutrophil cytoplasmic antibody-associated vasculitis (AAV). Methods We retrospectively enrolled 67 consecutive AAV patients who had initiated AZA treatment from January 2006 to August 2014 at Okayama University Hospital. We evaluated the development of severe adverse events (AEs), AZA discontinuation due to total AEs (severe AEs included) within 1 year, and AZA-associated risk factors. Results The patients' median age was 70 years old...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28670084/medullary-angiitis-and-pauci-immune-crescentic-glomerulonephritis
#5
Jeffrey Klein, William Rodriguez, Michael Kuperman, Harold Szerlip
Although almost all pathological diagnoses made from a native kidney biopsy come from careful examination of the renal cortex, certain diseases have a characteristic medullary component. Medullary angiitis has histological features of interstitial hemorrhage in the medulla with an associated polymorphonuclear leukocyte infiltrate. These findings are primarily found in the setting of antineutrophil cytoplasmic antibody-associated vasculitis. Medullary angiitis identified in the setting of negative immunofluorescence is most suggestive of pauci-immune crescentic glomerulonephritis, as presented in this case...
July 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28667835/monocytes-promote-crescent-formation-in-anti-myeloperoxidase-antibody-induced-glomerulonephritis
#6
Anthony Rousselle, Ralph Kettritz, Adrian Schreiber
Neutrophils and monocytes express anti-neutrophil cytoplasmic antibody (ANCA) antigens, and activation of these cells by ANCA is central to ANCA-associated vasculitis and necrotizing crescentic glomerulonephritis (NCGN). The importance of neutrophils is established; however, any role of monocytes is less clear. We tested the hypothesis that depletion of CCR2(+) inflammatory monocytes and their derivatives would abrogate anti-myeloperoxidase (MPO) antibody-induced NCGN in a mouse model. We used passive anti-MPO antibody transfer for NCGN induction in wild-type mice or mice expressing the CCR2 promoter-controlled diphtheria toxin receptor...
June 28, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28666565/a-novel-strategy-with-combined-assays-for-detection-of-anti-neutrophil-cytoplasmic-antibody-anca-in-clinically-anca-negative-granulomatosis-with-polyangiitis-patients
#7
Kaori Tateyama, Satoru Kodama, Kan Kishibe, Yasuaki Harabuchi, Masashi Suzuki
OBJECTIVE: Granulomatosis with polyangiitis (GPA) that is localized to the upper airway presents a diagnostic challenge because of a tendency towards anti-neutrophil cytoplasmic antibody (ANCA)-negativity. The purpose of this study was to investigate whether positivity of ANCA detection might be elicited with combined use of enzyme-linked immunosorbent assay (ELISA) kits. METHODS: Twenty-nine serum samples obtained from GPA patients were used in this study. In addition to routine biochemical investigation for ANCA, tests for detecting PR3-, MPO-ANCAs, and minor ANCAs were performed with commercially available ELISA kits...
June 27, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28646482/clinical-serological-and-histological-determinants-of-patient-and-renal-outcome-in-anca-associated-vasculitis-with-renal-involvement-an-analysis-from-a-referral-centre
#8
Matija Crnogorac, Ivica Horvatic, Luka Toric, Danica Galesic Ljubanovic, Miroslav Tisljar, Krešimir Galesic
PURPOSE: To evaluate significance of clinical and histopathological prognostic factors for renal and patient outcome in AAV patient cohort. METHODS: Retrospective study included consecutive patients diagnosed with pauci-immune crescentic glomerulonephritis from January 2003 to December 2013. Primary outcome was combined endpoint patient death or progression to end-stage renal disease (ESRD). Secondary outcomes were patient survival and progression to ESRD (renal survival) singularly and disease relapse...
June 23, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28642889/anca-associated-vasculitis-predominantly-presenting-with-severe-myalgias
#9
Edward Bahou, Lan Zhou
No abstract text is available yet for this article.
July 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28632810/hydralazine-associated-cutaneous-casculitis-presenting-with-aerodigestive-tract-involvement
#10
Laura E Levin, Cynthia Magro, James Horowitz, Joanna Harp
Hydralazine-induced small vessel vasculitis is a rare entity with a limited number of cases reported in the dermatologic literature. A characteristic pattern of acral pseudoembolic vesiculopustules with necrosis and ulceration has been suggested along with involvement of the aerodigestive tract, indicating mucosal involvement is an important feature of this disease. We report the case of a patient with hydralazine-induced vasculitis who exemplified this characteristic presentation associated with severe involvement of the aerodigestive tract and gastrointestinal tract bleeding...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28626447/autoimmune-thyroiditis-and-glomerulopathies
#11
REVIEW
Domenico Santoro, Carmela Vadalà, Rossella Siligato, Michele Buemi, Salvatore Benvenga
Autoimmune thyroiditis (AIT) is generally associated with hypothyroidism. It affects ~2% of the female population and 0.2% of the male population. The evidence of thyroid function- and thyroid autoantibody-unrelated microproteinuria in almost half of patients with AIT and sometimes heavy proteinuria as in the nephrotic syndrome point to a link of AIT with renal disease. The most common renal diseases observed in AIT are membranous nephropathy, membranoproliferative glomerulonephritis, minimal change disease, IgA nephropathy, focal segmental glomerulosclerosis, antineutrophil cytoplasmic autoantibody (ANCA) vasculitis, and amyloidosis...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28623488/vasculitis-for-the-internist-focus-on-anca-associated-vasculitis
#12
REVIEW
Benjamin Chaigne, Loïc Guillevin
Vasculitides comprise several diseases affecting vessels of different sizes, mainly arteries, but also capillaries and veins. Antineutrophil cytoplasm antibody-associated vasculitides (AAVs) belong to the systemic necrotizing small-vessel vasculitis group that comprises granulomatosis with polyangiitis, microscopic polyangiitis and eosinophilic granulomatosis with polyangiitis. Internists often see AAV patients, and although their outcomes are usually good, the disease can be responsible for morbidity and mortality...
August 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28611282/the-4-plus-2-rituximab-protocol-makes-maintenance-treatment-unneeded-in-patients-with-refractory-anca-associated-vasculitis-a-10-year-observation-study
#13
Dario Roccatello, Savino Sciascia, Daniela Rossi, Mirella Alpa, Carla Naretto, Massimo Radin, Roberta Fenoglio, Simone Baldovino, Elisa Menegatti
BACKGROUND: ANCA associated vasculitides (AAV) often present with a chronic relapsing course. Relapse leads to increased immunosuppressive exposure and consequent toxicity. While two randomized controlled trials have shown rituximab (RTX) to be the most effective induction treatment in patients with relapsing disease, the optimal treatment duration and RTX dose remain debated. Whether to administer a maintenance dose to every patient, at a fixed time interval or on the basis of B cell count and ANCA titre or only when disease manifestations do occur is still debated as well...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28608454/accelerated-atherosclerosis-in-anca-associated-vasculitis
#14
I González-Suárez, J J Ríos-Blanco, J Arpa
OBJECTIVES: Cardiovascular disease, including myocardial infarction and stroke, is a major cause of mortality in ANCA-associated vasculitis (AAV). Although AAV affects small vessels, an accelerated atherosclerosis not explained by traditional cardiovascular risk factors (CVRF) has been demonstrated. We aimed to investigate the association of atherosclerosis measured by carotid intima-media thickness (CIMT) and cerebral small vessel disease in AAV-patients. MATERIALS & METHODS: Twenty-three AAV-patients in complete remission were recruited...
June 12, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28602810/apheresis-to-treat-systemic-vasculitis
#15
Julie Moussi-Frances, Marion Sallée, Noémie Jourde-Chiche
Apheresis has been used in the treatment of severe systemic vasculitides, in conjunction with immunosuppressive therapies, for over 40 years. The aim is to rapidly remove autoantibodies or circulating immune complexes from the plasma. The two main indications at present are vasculitis associated with antineutrophil cytoplasmic antibodies (ANCAs) manifesting as severe renal involvement and/or intraalveolar hemorrhage and antiglomerular basement membrane disease (Goodpasture syndrome). The ongoing PLEXIVAS randomized controlled trial is assessing plasmapheresis to treat ANCA-associated vasculitis with or without severe renal involvement or intraalveolar hemorrhage...
June 7, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28595914/ischemia-induced-glomerular-parietal-epithelial-cells-hyperplasia-commonly-misdiagnosed-cellular-crescent-in-renal-biopsy
#16
Yeting Zeng, Xinrui Wang, Feilai Xie, Zhiyong Zheng
Ischemic pseudo-cellular crescent (IPCC) that is induced by ischemia and composed of hyperplastic glomerular parietal epithelial cells resembles cellular crescent. In this study, we aimed to assess the clinical and pathological features of IPCC in renal biopsy to avoid over-diagnosis and to determine the diagnostic basis. 4 IPCC cases diagnosed over a 4-year period (2012-2015) were evaluated for the study. Meanwhile, 5 cases of ANCA-associated glomerulonephritis and 5 cases of lupus nephritis (LN) were selected as control...
April 20, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28592788/levamisole-induced-leukocytoclastic-vasculitis-with-negative-serology-in-a-cocaine-user
#17
Mashal Salehi, Michael P Morgan, Abigail Gabriel
BACKGROUND Levamisole is a common adulterant of cocaine. It can cause agranulocytosis and cutaneous vasculitis that can possibly lead to cutaneous necrosis. In all reported cases of levamisole-induced vasculitis, it has been described as a clinical syndrome characterized by a constellation of typical clinical features and a positive serum serology for ANCA levels, especially very high-titer p-ANCA levels, in the background of cocaine abuse. However, patients may have a negative serology and here, we present the first such case...
June 8, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28592297/negative-anti-neutrophil-cytoplasm-antibody-at-switch-to-maintenance-therapy-is-associated-with-a-reduced-risk-of-relapse
#18
Matthew David Morgan, Matthew Szeto, Michael Walsh, David Jayne, Kerstin Westman, Niels Rasmussen, Thomas F Hiemstra, Oliver Flossmann, Annelies Berden, Peter Höglund, Lorraine Harper
BACKGROUND: Relapse of disease is frequent in anti-neutrophil cytoplasm antibody (ANCA)-associated vasculitis (AAV). It is unclear whether persistent ANCA when starting maintenance therapy increases the risk of relapse. We examined the association between ANCA status and relapse in two randomised controlled trials. METHODS: ANCA-positive patients in two trials, CYCLOPS and IMPROVE, were switched from cyclophosphamide to maintenance therapy after achieving clinical remission...
June 7, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28592042/-the-significances-of-peripheral-neutrophils-cd-55-and-myeloperoxidase-expression-in-patients-with-myeloperoxidase-specific-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis
#19
X L Zhou, M J Zheng, Z W Shuai, L Zhang, M M Zhang, S Y Chen
Objective: To investigate the expression of CD(55) and myeloperoxidase (MPO) on neutrophils in patients with MPO-specific anti-neutrophil cytoplasmic antibody associated vasculitis(MPO-AAV), and analyze the relationship between the expression and clinical manifestation. Methods: Forty untreated patients with active MPO-AAV (patient group) and 30 healthy volunteers (control group) were enrolled in this study. The CD(55) on neutrophils and both membrane and cytoplasmic MPO were detected by flow cytometry. Serum fragment-from the activated complement factor B(Ba) and MPO were measured by ELISA...
June 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28591497/-anca-associated-vasculitides-at-mexico-city-s-metropolitan-eastern-area
#20
Hernando Cervera-Castillo, Francisco Blanco-Favela, Yolanda Floriberta Silva-López, Guadalupe Eugenia Paredez-Rivera, Verónica Torres-Caballero
BACKGROUND: The anti-neutrophil cytoplasmic antibody-associated (ANCA) vasculitides includes granulomatosis with polyangiitis (Wegener's) (GPW), Chrug-Strauss syndrome (CSS) and microscopic polyangiitis (MPA). Since it has low incidence in our field, there are a few published papers. The aim of this study was to report the clinical characteristics, activity and damage of these vasculitides in Mexico City's metropolitan eastern area. METHODS: We studied 28 cases with ANCA-associated vasculitis in the aforementioned area...
July 2017: Revista Médica del Instituto Mexicano del Seguro Social
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