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ANCA vasculitis

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https://www.readbyqxmd.com/read/28632810/hydralazine-associated-cutaneous-casculitis-presenting-with-aerodigestive-tract-involvement
#1
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
#2
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
#3
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...
June 16, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28614191/anti-cd20-blocker-rituximab-in-kidney-transplantation
#4
Puneet Sood, Sundaram Hariharan
Rituximab is a chimeric anti-CD20 monoclonal protein used in various clinical scenarios in kidney transplant recipients. However, its evidence-based use there remains limited due to lack of controlled studies, limited sample size, short follow-up and poorly defined endpoints. Rituximab is indicated for CD20+ PTLD. It may be beneficial for treating recurrent MN and recurrent allograft ANCA vasculitis and possibly for recurrent FSGS. Rituximab, in combination with IVIG/PP, appears to decrease antibody level and increase the odds of transplantation in sensitized recipients...
June 13, 2017: Transplantation
https://www.readbyqxmd.com/read/28612332/cocaine-levamisole-induced-vasculitis-vasculopathy-syndrome
#5
REVIEW
Javier Marquez, Lina Aguirre, Carolina Muñoz, Andres Echeverri, Mauricio Restrepo, Luis F Pinto
PURPOSE OF REVIEW: To understand the clinical spectrum of cocaine-levamisole-induced vasculitis. Worldwide recreational drug consumption is high among the adult population from various social strata. The use of cocaine with levamisole, a frequently added antiparasitic diluent, favors the manifestations of vasculitic lesions, especially in the skin. RECENT FINDINGS: New insights into immunological mechanisms involved in the pathogenesis of the disease. There are still many unknown aspects in the pathogenesis of this disease, such as the immune system interaction with p-ANCAs and the release of inflammatory NETs (neutrophil extracellular traps), which are the origin of auto-antigens and tissue damage, manifesting as vasculitic purpura on the skin...
June 2017: Current Rheumatology Reports
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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/28591497/-anca-associated-vasculitides-at-mexico-city-s-metropolitan-eastern-area
#12
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
https://www.readbyqxmd.com/read/28587670/high-mobility-group-box-1-contributes-to-anti-myeloperoxidase-antibody-induced-glomerular-endothelial-cell-injury-through-a-moesin-dependent-route
#13
Hui Deng, Chen Wang, Dong-Yuan Chang, Nan Hu, Min Chen, Ming-Hui Zhao
BACKGROUND: Our previous study found that circulating and urinary levels of high mobility group box-1 (HMGB1) were closely associated with disease activity in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). Moreover, HMGB1 participates in ANCA-induced neutrophil activation. Cross-reactivity between moesin and anti-myeloperoxidase (MPO) antibody has been reported in both human and mouse. The current study investigated whether HMGB1 participated in MPO-ANCA-induced glomerular endothelial cell (GEnC) injury, which is one of the most important aspects in the pathogenesis of AAV...
June 6, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28581453/diffuse-alveolar-hemorrhage-as-an-initial-presentation-of-anca%C3%A2-associated-vasculitis-in-an-80%C3%A2-year%C3%A2-old-man
#14
Anna Masiak, Natalia Buda, Anna Wojteczek, Hanna Kujawska-Danecka, Zbigniew Zdrojewski
No abstract text is available yet for this article.
May 31, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28580649/myeloperoxidase-antineutrophil-cytoplasmic-antibody-causes-different-renal-diseases-by-immune-complex-formation-and-pauci-immune-mechanism-a-case-report
#15
Shun Manabe, Michiyasu Hatano, Marie Nakano, Teruhiro Fujii, Kosaku Nitta, Michio Nagata
Antineutrophil cytoplasmic antibody (ANCA) has been known to cause pauci-immune crescentic glomerulonephritis. In addition, several reports described membranous glomerulonephritis (MN) concurrent with ANCA-associated glomerulonephritis. Because the two glomerular diseases simultaneously appear in an ANCA-positive patient, the mechanisms whereby ANCA causes the two different glomerular diseases remain ambiguous. Herein, we report a case of 19-year-old man who presented with hematuria, pre-nephrotic proteinuria, and high titer of myeloperoxidase (MPO)-ANCA...
June 4, 2017: Pathology International
https://www.readbyqxmd.com/read/28578472/cutaneous-manifestations-of-anca-associated-small-vessels-vasculitis
#16
REVIEW
Marzano Angelo Valerio, Raimondo Maria Gabriella, Berti Emilio, Meroni Pier Luigi, Ingegnoli Francesca
Skin lesions are frequent manifestations of underlying systemic conditions, including systemic autoimmune vasculitis. In particular, anti-neutrophil cytoplasmic antibodies (ANCA) are associated with distinct forms of vasculitis characterized by inflammatory cell infiltration of the walls of small and medium-sized vessels leading to vascular destruction and tissue necrosis. ANCA-associated vasculitis is rare and systemic diseases, which can be classified based on different distribution of vascular inflammation and presence or absence of granulomatosis and asthma...
June 3, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28577200/anca-associated-vasculitis-presenting-as-severe-pulmonary-hypertension-and-right-heart-failure
#17
Rakesh Kumar Pilania, Sumeet R Dhawan, Joseph L Mathew, Surjit Singh, K S Sodhi, Meenu Singh
Microscopic polyangiitis (MPA) is a small vessel multisystemic disorder characterised by necrotising small vessel vasculitis without any immune deposits. Kidney and lung are the predominant organs affected in MPA. Skin, gastrointestinal and neurological findings are also described. Isolated pulmonary manifestations are rare. The authors describe a two-year girl who presented with right heart failure and was subsequently diagnosed as ANCA-associated vasculitis. This case report is intended to sensitise pediatricians to consider systemic vasculitis with pulmonary hemorrhage in children with pulmonary hypertension even in the absence of severe pallor...
June 2, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28569178/prediction-of-response-to-remission-induction-therapy-by-gene-expression-profiling-of-peripheral-blood-in-japanese-patients-with-microscopic-polyangiitis
#18
Akihiro Ishizu, Utano Tomaru, Sakiko Masuda, Ken-Ei Sada, Koichi Amano, Masayoshi Harigai, Yasushi Kawaguchi, Yoshihiro Arimura, Kunihiro Yamagata, Shoichi Ozaki, Hiroaki Dobashi, Sakae Homma, Yasunori Okada, Hitoshi Sugiyama, Joichi Usui, Naotake Tsuboi, Seiichi Matsuo, Hirofumi Makino
BACKGROUND: Microscopic polyangiitis (MPA), which is classified as an anti-neutrophil cytoplasmic antibody (ANCA)-associated small vessel vasculitis, is one of the most frequent primary vasculitides in Japan. We earlier nominated 16 genes (IRF7, IFIT1, IFIT5, OASL, CLC, GBP-1, PSMB9, HERC5, CCR1, CD36, MS4A4A, BIRC4BP, PLSCR1, DEFA1/DEFA3, DEFA4, and COL9A2) as predictors of response to remission induction therapy against MPA. The aim of this study is to determine the accuracy of prediction using these 16 predictors...
May 31, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28560688/anca-associated-vasculitis-with-renal-involvement
#19
REVIEW
Valentina Binda, Gabriella Moroni, Piergiorgio Messa
Systemic vasculitis is a rare but severe group of diseases characterized by inflammation and necrosis of blood vessels. The size of the vessel affected varies among the different forms of vasculitis and there are three main subgroups: large, medium and small vessel vasculitis. Among small vessel vasculitis, the antineutrophil cytoplasmic antibody (ANCA)-associated forms are of particular importance. This subgroup includes: microscopic polyangiitis, granulomatosis with polyangiitis (Wegener's), eosinophilic granulomatosis with polyangiitis (Churg-Strauss) and the form limited to the kidney...
May 30, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28559644/severe-microscopic-polyangiitis-with-unilateral-vocal-cord-paralysis-as-initial-manifestation
#20
Luis Felipe Flores-Suárez, Marco Antonio Alba, Gabriel Tona
CASE DESCRIPTION: A 16 year-old female who presented with initial ear, nose and throat manifestations who later progressed to severe renal disease, requiring hemodialysis after 11 months of unique laryngeal involvement. CLINICAL FINDINGS: Unilateral vocal cord paralysis without other symptoms or signs, but with positive perinuclear anti-neutrophil cytoplasmic antibodies (ANCA) and anti-myeloperoxidase autoantibodies, followed an unfavorable course months later with rapidly progressive glomerulonephritis...
March 30, 2017: Colombia Médica: CM
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