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Antineutrophil cytoplasmic antibodies

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https://www.readbyqxmd.com/read/28917713/the-bvas-is-an-independent-predictor-of-cardiovascular-events-and-cardiovascular-disease-related-mortality-in-patients-with-anca-associated-vasculitis-a-study-of-504-cases-in-a-single-chinese-center
#1
Yi-Hua Bai, Zhi-Ying Li, Dong-Yuan Chang, Min Chen, Cees G M Kallenberg, Ming-Hui Zhao
BACKGROUND: Cardiovascular diseases (CVD) are the major causes of death in antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) during long-term follow-up. This study investigated risk factors for cardiovascular events (CVE) and CVD-related mortality in Chinese AAV patients. METHODS: Five hundred and four AAV patients in our center were retrospectively included. The predictive value of variables associated with CVE and CVD-related mortality were analyzed...
August 31, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28916432/rituximab-as-induction-therapy-in-eosinophilic-granulomatosis-with-polyangiitis-refractory-to-conventional-immunosuppressive-treatment-a-36-month-follow-up-analysis
#2
Jens Thiel, Arianna Troilo, Ulrich Salzer, Theresa Schleyer, Kirsten Halmschlag, Marta Rizzi, Natalie Frede, Ana Venhoff, Reinhard E Voll, Nils Venhoff
BACKGROUND: Rituximab (RTX) is approved for induction therapy of granulomatosis with polyangiitis and microscopic polyangiitis. In eosinophilic granulomatosis with polyangiitis (EGPA), organ-threatening manifestations are mainly treated with cyclophosphamide (CYC). RTX as treatment in EGPA has been described in small case series; however long-term data and the efficacy of RTX in EGPA refractory to CYC have not been reported yet. OBJECTIVES: To investigate the efficacy and safety of RTX and conventional immunosuppressive therapy with CYC in EGPA as induction therapy and during long-term follow-up...
September 12, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28895041/unmet-needs-in-the-pathogenesis-and-treatment-of-vasculitides
#3
REVIEW
Francesco Muratore, Giulia Pazzola, Alessandra Soriano, Nicolò Pipitone, Stefania Croci, Martina Bonacini, Luigi Boiardi, Carlo Salvarani
Despite the progress in the last years on the field of vasculitides, there are several unmet needs regarding classification, disease activity assessment, predictors of flares and complications, and type of treatment for the different forms. The 1990 American College of Rheumatology (ACR) classification criteria currently used to define giant cell arteritis and Takayasu arteritis were designed to discriminate between different types of vasculitides but not to differentiate vasculitis from other disorders. Recently, efforts have been made to overcome the shortcomings of the ACR criteria...
September 11, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28885482/comparison-of-localized-and-systemic-otitis-media-with-anca-associated-vasculitis
#4
Masahiro Okada, Koichiro Suemori, Daiki Takagi, Masato Teraoka, Hiroyuki Yamada, Naohito Hato
OBJECTIVE: To investigate differences in immune activity based on the presence of multiple organ involvement in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) and whether hearing outcomes are different between patients with AAV localized to the ear and patients with systemic AAV. STUDY DESIGN: Retrospective case review. SETTING: University hospital. PATIENTS: Twenty patients with otitis media with AAV (OMAAV) who met the criteria proposed by the OMAAV study group in Japan...
September 6, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28884919/granulomatosis-with-polyangiitis-presenting-with-pyoderma-gangrenosum-like-ulceration-and-negative-cytoplasmic-antineutrophilic-cytoplasmic-antibodies-in-a-child
#5
Ashley Kass, Jake D Fagan, Paul Long
Granulomatosis with polyangiitis (GPA), a vasculitis that most commonly affects small to medium-size vessels of the respiratory tract and kidneys, may also present with a wide array of skin findings. We present the case of a 12-year-old boy with pyoderma gangrenosum-like ulcerations on his lower extremity as the initial manifestation of GPA despite negative cytoplasmic antineutrophilic cytoplasmic antibodies (c-ANCAs). Although GPA is strongly associated with c-ANCA, c-ANCA may be negative on presentation. Thus clinical and pathologic clues must be relied upon when serologic confirmation is negative...
September 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28883245/the-sequential-development-of-antiglomerular-basement-membrane-nephritis-and-myeloperoxidase-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#6
Naro Ohashi, Akio Namikawa, Masafumi Ono, Takamasa Iwakura, Shinsuke Isobe, Takayuki Tsuji, Akihiko Kato, Hideo Yasuda
A 55-year-old woman presented with deafness, increased levels of myeloperoxidase (MPO)-antineutrophil cytoplasmic antibody (ANCA), and renal insufficiency with proteinuria and hematuria. Renal biopsy revealed crescentic glomerulonephritis with the linear deposition of immunoglobulin G along the glomerular basement membrane (GBM) and peritubular capillaritis. The anti-GBM antibody levels on admission and 10 days after admission were 11.7 U/mL and 127 U/mL, respectively. These results indicated the sequential development of anti-GBM nephritis and MPO-ANCA-associated vasculitis...
September 6, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28881339/interstitial-immunostaining-and-renal-outcomes-in-antineutrophil-cytoplasmic-antibody-associated-glomerulonephritis
#7
Duvuru Geetha, Sanjeev Sethi, An S De Vriese, Ulrich Specks, Cees G M Kallenberg, Noha Lim, Robert Spiera, E William St Clair, Peter A Merkel, Philip Seo, Paul A Monach, Nicola Lepori, Barri J Fessler, Carol A Langford, Gary S Hoffman, Rishi Sharma, John H Stone, Fernando C Fervenza
BACKGROUND: Immunopathologic features predict renal function at baseline and follow-up in antineutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis (GN). The interstitial infiltrate consists predominantly of T lymphocytes, but their pathophysiologic significance is unclear, especially in light of the success of B-cell-directed therapy. METHODS: Renal biopsies from 33 patients treated with cyclophosphamide (CYC; n = 17) or rituximab (RTX; n = 16) in the RTX in ANCA-associated vasculitis (RAVE) trial were classified according to the new ANCA GN classification...
September 8, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28878204/analysis-of-antineutrophil-cytoplasm-antibody-from-118-730-patients-in-tertiary-hospitals-in-jiangxi-province-china
#8
Liming Tan, Anjun Jiao, Juanjuan Chen, Xiaojing Feng, Liuyue Xu, Siqi He, Fuyan Tan, Yongqing Jiang, Heng Luo, Hua Li, Yang Wu, Yongjian Tian, Tingting Zeng, Jianlin Yu, Liping Cao, Jianfeng Zheng, Hui Xu, Ming Wei, Wen Gan, Weihua Peng, Yanming Liu, Jing Hou, Jiangxia Xu, LiHua Shuai, Wenzhi Huang, Junyun Huang, Yan Lin, Jianrong Liu
BACKGROUND The discovery of antineutrophil cytoplasm antibody (ANCA) makes the early diagnosis of primary vasculitis possible, and also has important guiding significance for the diagnosis and treatment of secondary vasculitis. This study aimed to investigate the clinical significance of ANCA. MATERIAL AND METHODS ANCA was detected by indirect immunofluorescence assay (IIF), and anti-myeloperoxidase (MPO) antibody, and anti-proteinase 3 (PR3) antibody were detected by ELISA. The results were analyzed retrospectively...
September 7, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28864650/omeract-endorsement-of-patient-reported-outcome-instruments-in-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#9
Joanna C Robson, Gunnar Tomasson, Nataliya Milman, Sue Ashdown, Annelies Boonen, George C Casey, Peter F Cronholm, David Cuthbertson, Jill Dawson, Haner Direskeneli, Ebony Easley, Tanaz A Kermani, John T Farrar, Don Gebhart, Georgia Lanier, Raashid A Luqmani, Alfred Mahr, Carol A McAlear, Jacqueline Peck, Beverley Shea, Judy A Shea, Antoine G Sreih, Peter S Tugwell, Peter A Merkel
OBJECTIVE: The antineutrophil cytoplasmic antibody-associated vasculitides (AAV) are multiorgan diseases. Patients with AAV report impairment in their health-related quality of life (HRQOL) and have different priorities regarding disease assessment compared with physicians. The Outcome Measures in Rheumatology (OMERACT) Vasculitis Working Group previously received endorsement for a core set of domains in AAV. Two approaches to measure patient-reported outcomes (PRO) were presented at OMERACT 2016...
September 1, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28863790/anca-associated-vasculitis-pathogenesis-models-and-preclinical-testing
#10
REVIEW
Holly L Hutton, Stephen R Holdsworth, A Richard Kitching
Our understanding of antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis has developed greatly since the discovery of ANCA, directed against neutrophil components, in 1982. Observations in human disease, and increasingly sophisticated studies in vitro and in rodent models in vivo, have allowed a nuanced understanding of many aspects of the immunopathogenesis of disease, including the significance of ANCA as a diagnostic and monitoring tool as well as a mediator of microvascular injury. The mechanisms of leukocyte recruitment and tissue injury, and the role of T cells increasingly are understood...
September 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28863205/bruises-on-the-ears-and-body
#11
Diana M Sarmiento, Thomas F Northrup, Yu Wah
Over the course of a month, this 34-year-old woman had sought care at our facility--and another--on 3 separate occasions for painful bruises (visits #1 and #3) and deep vein thrombosis (visit #2). The bruises first appeared acutely on her arms, prompting her first visit to our ED and leading to a hospital stay. Several weeks later, the patient developed new bruise-like lesions on her earlobes, face, trunk, and lower extremities. In between these 2 visits, the patient was seen in another ED (and admitted) for right upper extremity DVT and was started on enoxaparin, followed by warfarin...
September 2017: Journal of Family Practice
https://www.readbyqxmd.com/read/28822626/noninfective-endocarditis-in-microscopic-polyangiitis-report-of-a-case-with-a-successful-response-to-immunosuppressive-therapy
#12
Carolina Muñoz-Grajales, Juan C Chavarriaga, Javier D Márquez, Luis F Pinto
Although antineutrophil cytoplasmic antibody (ANCA) vasculitis has a variety of clinical manifestations, valvular compromise is not common, especially in anti-myeloperoxidase (anti-MPO) antibody (perinuclear [P]-ANCA) vasculitis. We report the case of a 38-year-old woman with ANCA-associated vasculitis who was diagnosed with valve vegetation, that resolved with immunosuppressive therapy.
August 16, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28816948/medial-medullary-infarction-caused-by-antineutrophil-cytoplasmic-antibody-related-vasculitis-case-report-and-review-of-the-literature
#13
Kumi Yanagiha, Kazuhiro Ishii, Tomoyuki Ueno, Aiki Marushima, Akira Tamaoka
RATIONALE: Medial medullary infarction accounts for less than 1% of brain infarctions, and medial medullary infarctions is very rarely caused by antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis. PATIENT CONCERNS: We report the case of a 76-year-old man at low risk of arteriosclerosis who presented with disorders on the left side including gaze-evoked nystagmus, paralysis of the extremities, pyramidal signs, sensory disturbance, and dysesthesia. Brain magnetic resonance imaging also showed right medial medullary infarction...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28811951/granulomatosis-with-polyangiitis-presenting-as-pyrexia-of-unknown-origin-leukocytosis-and-microangiopathic-haemolytic-anemia
#14
Sima Terebelo, Iona Chen
A 66-year-old woman presented to the Emergency Department with a florid sepsis-like picture, a two-week history of fever, relative hypotension with end organ ischemia (unexplained liver enzyme and troponin elevations), and nonspecific constitutional symptoms. She was initially found to have a urinary tract infection but, despite appropriate treatment, her fever persisted and her white blood cell count continued to rise. During her hospitalization the patient manifested leukocytosis to 47,000 WBC/μL, ESR 67 mm/hr (normal range 0-42 mm/hr), CRP 17...
2017: Case Reports in Rheumatology
https://www.readbyqxmd.com/read/28807260/anca-in-anti-gbm-disease-moving-beyond-a-one-dimensional-clinical-phenotype
#15
Mark Canney, Mark Alan Little
McAdoo et al. propose that patients with both circulating antiglomerular basement membrane antibody and antineutrophil cytoplasm antibody demonstrate a phenotype that lies between that of single-positive antiglomerular basement membrane disease and antineutrophil cytoplasm antibody-associated vasculitis. Specifically, there may be a subset of "double-positives" that have a more favorable response to therapy. These observations, along with reports of "atypical" antiglomerular basement membrane disease, challenge us to look beyond antiglomerular basement membrane disease as a 1-dimensional entity, and better characterize its clinical spectrum...
September 2017: Kidney International
https://www.readbyqxmd.com/read/28780080/-how-i-treat-autoimmune-diseases-state-of-the-art-on-the-management-of-rare-rheumatic-diseases-and-anca-associated-systemic-idiopathic-vasculitis
#16
EDITORIAL
Dario Roccatello
This Special Issue of Autoimmunity Reviews constitutes summaries of presentations at the 20th International Meeting on Immunopathology and Orphan Diseases, held in Torino, Italy, 25-28th January 2017. As such, these presentations represent the state of the art on the pathophysiology of autoimmune diseases as well as the most recent insights into the management of these pathologic conditions. The latter includes both the optimal use of established drugs and approaches as well as novel knowledge on the means and consequences of targeted blocking of molecules or cellular mechanisms...
August 2, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28780079/antineutrophil-cytoplasmic-antibody-associated-vasculitides-and-igg4-related-disease-a-new-overlap-syndrome
#17
REVIEW
François-Xavier Danlos, Giovanni Maria Rossi, Daniel Blockmans, Giacomo Emmi, Andreas Kronbichler, Stéphane Durupt, Claire Maynard, Luminita Luca, Cyril Garrouste, Bertrand Lioger, Rachel Mourot-Cottet, Robin Dhote, Jean-Benoit Arlet, Thomas Hanslik, Philippe Rouvier, Mikael Ebbo, Xavier Puéchal, Dominique Nochy, Agnès Carlotti, Luc Mouthon, Loïc Guillevin, Augusto Vaglio, Benjamin Terrier
OBJECTIVE: Atypical manifestations have been described in patients with ANCA-associated vasculitides (AAV), such as pachymeningitis, orbital mass or chronic periaortitis. Because these manifestations have been associated to the spectrum of IgG4-related disease (IgG4-RD), we hypothesized that both diseases could overlap. METHODS: We conducted a European retrospective multicenter observational study including patients fulfilling ACR and Chapel Hill criteria for AAV and IgG4-RD Comprehensive Diagnostic Criteria...
August 2, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28768972/extranodal-nk-t-cell-lymphoma-nasal-type-accompanied-by-pr3-anca-associated-glomerulonephritis
#18
Yuta Tamoto, Ryo Ishida, Kazuya Shiogama, Hiroshi Kado, Michitsugu Kamezaki, Yoshiaki Chinen, Yosuke Matsumoto, Tetsuro Kusaba, Eiichi Konishi, Yutaka Tsutsumi, Keiichi Tamagaki
A 62-year-old man exhibiting nasal obstruction and glomerulonephritis with proteinase 3-antineutrophil cytoplasmic antibodies (PR3-ANCAs) was diagnosed with extranodal NK/T-cell lymphoma, nasal type (ENKL) with infiltration of neutrophils with apoptosis. Chemoradiotherapy reduced the tumor, improved the renal function, and decreased the PR3-ANCA levels. ANCA-positivity is observed in immunoinsufficient diseases, in which neutrophils lead to apoptosis and translocate intracellular granules, such as PR3, to the cell surface, triggering the production of ANCAs...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28765251/severe-infection-in-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#19
Aladdin J Mohammad, Mårten Segelmark, Rona Smith, Martin Englund, Jan-Åke Nilsson, Kerstin Westman, Peter A Merkel, David R W Jayne
OBJECTIVE: To compare the rate of severe infections after the onset of antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) with the rate in the background population, and to identify predictors of severe infections among patients with AAV. METHODS: The study cohort was 186 patients with AAV diagnosed from 1998 to 2010, consisting of all known cases in a defined population in southern Sweden. For each patient, 4 age- and sex-matched reference subjects were randomly chosen from the background population...
August 1, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28765242/pulmonary-involvement-in-antineutrophil-cytoplasmic-antibodies-anca-associated-vasculitis-the-influence-of-anca-subtype
#20
Aladdin J Mohammad, Kristian H Mortensen, Judith Babar, Rona Smith, Rachel B Jones, Daiki Nakagomi, Pasupathy Sivasothy, David R W Jayne
OBJECTIVE: To describe pulmonary involvement at time of diagnosis in antineutrophil cytoplasmic antibodies (ANCA)-associated vasculitis (AAV), as defined by computed tomography (CT). METHODS: Patients with thoracic CT performed on or after the onset of AAV (n = 140; 75 women; granulomatosis with polyangiitis, n = 79; microscopic polyangiitis MPA, n = 61) followed at a tertiary referral center vasculitis clinic were studied. Radiological patterns of pulmonary involvement were evaluated from the CT studies using a predefined protocol, and compared to proteinase 3 (PR3)-ANCA and myeloperoxidase (MPO)-ANCA specificity...
August 1, 2017: Journal of Rheumatology
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