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cryoglobulinemia

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https://www.readbyqxmd.com/read/28291241/efficacy-and-safety-of-direct-acting-antivirals-for-the-treatment-of-mixed-cryoglobulinemia
#1
Joel S Emery, Magdalena Kuczynski, Danie La, Saeed Almarzooqi, Matthew Kowgier, Hemant Shah, David Wong, Harry L A Janssen, Jordan J Feld
OBJECTIVES: Mixed cryoglobulinemia is strongly associated with hepatitis C virus (HCV) infection and ranges from being asymptomatic to causing life-threatening vasculitis. In those with symptoms, treatment with pegylated interferon (pegIFN) and ribavirin (RBV) reduces mortality. However, few data are available on the safety and efficacy of antiviral therapy with direct acting antivirals (DAAs) in the treatment of HCV-related cryoglobulinemia. METHODS: Patients treated for HCV-related cryoglobulinemia with DAA±pegIFN were retrospectively evaluated at a tertiary care center...
March 14, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28289605/a-wolf-in-another-wolf-s-clothing
#2
Amrit Lamba, Meghan Kapp, Paisit Paueksakon, Parth J Parekh
This case of infective endocarditis masquerading as mixed cryoglobulinemia in a man with a history of intravenous drug use (IVDU) and hepatitis C virus (HCV) highlights the importance of maintaining a broad differential and continually re-evaluating the working diagnosis as new information presents itself. The patient presented to an outside hospital and was treated for presumptive mixed cryoglobulinemia with corticosteroid therapy. When the patient did not improve, he was transferred to a tertiary care center for possible Rituximab and/or plasmapheresis...
2017: IDCases
https://www.readbyqxmd.com/read/28288791/efficacy-and-safety-of-sofosbuvir-plus-daclatasvir-for-treatment-of-hcv-associated-cryoglobulinemia-vasculitis
#3
David Saadoun, Stanislas Pol, Yasmina Ferfar, Laurent Alric, Christophe Hezode, Si Nafa Si Ahmed, Luc de Saint Martin, Cloé Comarmond, Anne Sophie Bouyer, Lucile Musset, Thierry Poynard, Matthieu Resche Rigon, Patrice Cacoub
Circulating mixed cryoglobulins are detected in 40%-60% of patients with hepatitis C virus (HCV) infection, and overt cryoglobulinemia vasculitis (CryoVas) develops in about 15% of patients. Remission of vasculitis has been associated with viral clearance, but few studies have reported the effectiveness of direct acting antiviral drugs in these patients. We performed open-label, prospective, multi-center study of the effectiveness and tolerance of an all-oral, interferon- and ribavirin-free regimen of sofosbuvir plus daclatasvir in patients with HCV-associated CryoVas...
March 10, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28288715/hepatitis-c-virus-associated-marginal-zone-lymphoma
#4
REVIEW
Marine Armand, Caroline Besson, Olivier Hermine, Frédéric Davi
The link between hepatitis C virus (HCV) infection and the development of B-cell non-Hodgkin lymphoma is now well established and based on a number of epidemiological studies. It is further supported by the observation of lymphoma regression after HCV eradication by antiviral treatment. The far most frequent entities are marginal zone lymphoma (MZL) and diffuse large B-cell lymphoma (DLBCL). MZL usually emerge on a background of mixed cryoglobulinemia, a low-grade lymphoproliferation, and often transform into DLBCL, thereby following a multistep oncogenesis process...
March 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/28280994/detection-of-myd88-l265p-and-whim-like-cxcr4-mutation-in-patients-with-igm-monoclonal-gammopathy-related-disease
#5
Xin-Xin Cao, Qi Meng, Hao Cai, Tian-Hua He, Cong-Li Zhang, Wei Su, Jian Sun, Yue Li, Wei Xu, Dao-Bin Zhou, Jian Li
A broad spectrum of diseases are associated with IgM monoclonal gammopathy, including Waldenstrom macroglobulinemia (WM), various types of B cell non-Hodgkin's lymphoma (NHL), multiple myeloma (MM), primary amyloidosis (AL), and monoclonal gammopathy of undetermined significance (MGUS); these are called IgM monoclonal gammopathy related diseases (IgM-RD). We investigated MYD88 L265P and WHIM-like CXCR4 mutations in various IgM-RD. Patients with serum immunofixation electrophoresis confirmed IgM monoclonal gammopathy who had enough material for DNA extraction and presented between January 2008 and October 2016 at Peking Union Medical College Hospital were enrolled in this cohort...
March 9, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28274850/direct-acting-antiviral-therapy-restores-immune-tolerance-to-patients-with-hepatitis-c-virus-induced-cryoglobulinemia-vasculitis
#6
Cloé Comarmond, Marlène Garrido, Stanislas Pol, Anne-Claire Desbois, Myrto Costopoulos, Magali Le Garff-Tavernier, Si Nafa Si Ahmed, Laurent Alric, Hélène Fontaine, Bertrand Bellier, Anna Maciejewski, Michelle Rosenzwajg, David Klatzmann, Lucile Musset, Thierry Poynard, Patrice Cacoub, David Saadoun
BACKGROUND & AIMS: Interferon-free direct-acting antiviral (DAA) therapies are effective in patients with hepatitis C virus-induced cryoglobulinemia vasculitis (HCV-CV). We analyzed blood samples from patients with HCV-CV before and after DAA therapy to determine mechanisms of these drugs and their effects on cellular immunity. METHODS: We performed a prospective study of 27 consecutive patients with HCV-CV (median age 59 years) treated with DAA therapy (21 patients received sofosbuvir plus ribavirin for 24 weeks, 4 patients received sofosbuvir plus daclatasvir for 12 weeks, and 2 patients received sofosbuvir plus simeprevir for 12 weeks) in Paris, France...
March 5, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28252812/hepatitis-c-virus-and-its-cutaneous-manifestations-treatment-in-the-direct-acting-antiviral-era
#7
REVIEW
L E Wiznia, M E Laird, A G Franks
New all-oral direct acting antivirals (DAA) have changed the hepatitis C virus (HCV) treatment landscape. Given that dermatologists frequently encounter HCV-infected patients, knowledge of the current treatment options and their utility in treating HCV-associated dermatologic disorders is important. In addition to highlighting the new treatment options, we review four classically HCV-associated dermatologic disorders - mixed cryoglobulinemia (MC), lichen planus (LP), porphyria cutanea tarda (PCT), and necrolytic acral erythema (NAE) - and examine the role for all-oral direct acting antiviral (DAA) regimens in their treatment...
March 2, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28214498/vasculitic-and-autoimmune-wounds
#8
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/28203574/resolution-of-q-fever-associated-cryoglobulinemia-with-anti-cd20-monoclonal-antibody-treatment
#9
Kellie L Hawkins, Edward N Janoff, Robert W Janson
Immunologic phenomena can complicate chronic infections with Coxiella burnetii (Q fever), including immune complex deposition causing vasculitis, neuropathy, and glomerulonephritis. We describe the case of a man with Q fever endocarditis, mixed cryoglobulinemia, and life-threatening vasculitis driven by immune complex deposition who was successfully treated with B cell depleting therapy (rituximab).
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28185943/hepatitis-c-virus-and-human-t-cell-lymphotropic-virus-type-1-co-infection-impact-on-liver-disease-virological-markers-and-neurological-outcomes
#10
Otávio M Espíndola, Alexandre G Vizzoni, Elisabeth Lampe, Maria José Andrada-Serpa, Abelardo Q C Araújo, Ana Claudia C Leite
OBJECTIVES: Human T-cell lymphotropic virus type 1 (HTLV-1) infection is associated with neurological abnormalities, such as HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) and peripheral neuropathy (PN). Hepatitis C virus (HCV) infection is the leading cause of chronic liver disease worldwide, and causes PN in approximately 9% of patients. Because the interplay between these potentially neuropathogenic viruses in the same individual is still poorly understood, the clinical and laboratory outcomes of co-infected patients were evaluated and compared with those of controls...
February 7, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28184378/relapse-of-hcv-genotype-1b-infection-after-sofosbuvir-ledipasvir-treatment-presenting-as-de-novo-cryoglobulinemic-vasculitis
#11
Mohammad Qasim Khan, Alan D Moreno, Nora Joseph, George Kim, Claus J Fimmel
Relapse of hepatitis C virus (HCV) genotype 1 infection after combination therapy with sofosbuvir and ledipasvir is unusual. We report a treatment-naïve, non-cirrhotic patient in whom the relapse of genotype 1b HCV infection was accompanied by de novo cryoglobulinemic vasculitis and glomerulonephritis, requiring hemodialysis for acute renal failure. Sequence analysis revealed several resistance-associated variants in the HCV NS5a gene but not in NS3/4A. The patient's vasculitis was successfully treated with immunosuppression and plasmapheresis, followed by retreatment of HCV with a combination of sofosbuvir, simeprevir, and ribavirin...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28171828/leukocytoclastic-vasculitis-associated-with-endocarditis-in-a-patient-with-transposition-of-the-great-arteries-and-mechanical-valve-replacement
#12
Christian Riehle, Gesine M Scharf, Jan-Thorben Sieweke, Florian Zauner, Ulrike Flierl, Jens Treptau, Christos Zormpas, Jana Senf, Nicholas S McCarty, Johann Bauersachs, Daniel G Sedding, Mechthild Westhoff-Bleck
Immunological vascular phenomena can be the initial manifestation of bacterial infection and endocarditis. Here, we report a rare case of leukocytoclastic vasculitis without immune complexes or cryoglobulinemia in a patient with infective endocarditis, congenital heart disease, and a prior mechanical valve replacement. The patient completely recovered following antibiotic therapy, and skin lesions disappeared without immune suppression, which suggested infection-mediated vasculitis. While the treatment of leukocytoclastic vasculitis typically involves immunosuppressive therapy, the treatment for infection-mediated vasculitis is eradication of the infection...
March 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28149646/vasculitic-syndromes-in-hepatitis-c-virus-a-review
#13
REVIEW
Gaafar Ragab, Mohamed A Hussein
Vasculitis is a remarkable presentation of the extrahepatic manifestations of HCV. According to the presence or absence of cryoglobulins it is subdivided into two main types: cryoglobulinemic vasculitis and non cryoglobulinemic vasculitis based on the attribution of vasculitis to serum cryoglobulins as a pathogenic factor. The attribution of cryoglobulinemia to HCV represents a success story in the history of immunology, microbiology, and clinical medicine. HCV can bind to and invade lymphocytes, consequently triggering an immune response through different mechanisms...
March 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28111716/efficacy-and-safety-of-long-term-treatment-with-low-dose-rituximab-for-relapsing-mixed-cryoglobulinemia-vasculitis
#14
RANDOMIZED CONTROLLED TRIAL
Stefania Colantuono, Milica Mitrevski, Baoran Yang, Julia Tola, Maurizio Carlesimo, Giuseppe M De Sanctis, Massimo Fiorilli, Milvia Casato, Marcella Visentini
This study aims to evaluate the efficacy and safety of repeated treatments with low-dose rituximab for relapsing mixed cryoglobulinemia vasculitis. Thirty-seven patients with mixed cryoglobulinemia vasculitis refractory to standard of care treatment, 34 of which were HCV-positive, were treated with rituximab at the reduced dosage of 250 mg/m(2) given twice 1 week apart per cycle. Thirty patients (81%) achieved a clinical response; 5 of them remain in remission, 3 were lost to follow-up or died, and 22 relapsed after a mean of 15...
March 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28110970/-plasma-exchange-in-nephrology-indications-and-technique
#15
Christophe Ridel, Sébastien Kissling, Laurent Mesnard, Alexandre Hertig, Éric Rondeau
Plasma exchange is a non-selective apheresis technique that can be performed by filtration or centrifugation allowing rapid purification of high molecular weight pathogens. An immunosuppressive treatment is generally associated to reduce the rebound effect of the purified substance. Substitution solutes such as human albumin and macromolecules are needed to compensate for plasma extraction. Compensation by viro-attenuated plasma is reserved solely for the treatment of thrombotic microangiopathies or when there is a risk of bleeding, because this product is very allergenic and expensive...
January 16, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28104678/diagnosis-and-management-of-cryoglobulinemia
#16
(no author information available yet)
No abstract text is available yet for this article.
January 19, 2017: Blood
https://www.readbyqxmd.com/read/28101312/cryoglobulin-test-and-cryoglobulinemia-hepatitis-c-virus-related
#17
REVIEW
Francesca Gulli, Stefano Angelo Santini, Cecilia Napodano, Patrizia Bottoni, Krizia Pocino, Gian Ludovico Rapaccini, Umberto Basile
Cryoglobulins are immunoglobulins that precipitate in serum at temperatures below 37°C and resolubilize upon warming. The clinical syndrome of cryoglobulinemia usually includes purpura, weakness, and arthralgia, but the underlying disease may also contribute other symptoms. Blood samples for cryoglobulin are collected, transported, clotted and spun at 37°C, before the precipitate is allowed to form when serum is stored at 4°C in a Wintrobe tube for at least seven days. The most critical and confounding factor affecting the cryoglobulin test is when the preanalytical phase is not fully completed at 37°C...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/27938559/-serum-cxcl-10-level-in-chronic-hepatitis-c-patients-with-cryoglobulinemia-and-its-influence-on-antiviral-therapy
#18
X H Fan, Z H Deng, X Y Xu
Objective: To investigate the serum CXCL-10 level in chronic hepatitis C (CHC) patients with cryoglobulinemia and its influence on the effect of antiviral therapy. Methods: A total of 50 CHC patients were enrolled in the study. Cryoprecipitation was used to determine the nature of cryoglobulins in serum before treatment, and ELISA was used to measure the serum CXCL-10 level. The hepatitis C virus (HCV) genotype was detected, and serum HCV RNA level was measured at baseline, 4, 12, and 24 weeks of treatment, the end of treatment, and 24 weeks after treatment...
October 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/27913223/hepatitis-e-virus-infection-beyond-the-liver
#19
REVIEW
Sven Pischke, Johannes Hartl, Suzan D Pas, Ansgar W Lohse, Bart C Jacobs, Annemiek A Van der Eijk
Hepatitis E virus (HEV) infections are not limited to the liver but may also affect other organs. Several diseases, including Guillain-Barré syndrome, neuralgic amyotrophy, glomerulonephritis, cryoglobulinemia, pancreatitis, lymphoma, thrombopenia, meningitis, thyroiditis and myocarditis have been observed in the context of hepatitis E. To date, the definite pathophysiological links between HEV and extrahepatic manifestations are not yet established. However, it is suggested that HEV infection might be causative based on serological studies, case series, in vitro data and animal models...
November 29, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27902540/macular-perivenous-retinal-whitening-and-presumed-retino-ciliary-sparing-in-a-recurrent-central-retinal-vein-occlusion-associated-with-the-antiphospholipid-syndrome-and-cryoglobulinemia
#20
Dov B Sebrow, Jesse J Jung, Jason Horowitz, Jeffrey G Odel, K Bailey Freund
PURPOSE: Macular perivenous retinal whitening results from hypoperfusion-induced ischemia of the middle retina that can occur in central retinal vein occlusion (CRVO). We describe an unusual case of recurrent CRVO with macular perivenous retinal whitening and retino-ciliary venous sparing in the setting of 2 prothrombotic diseases, antiphospholipid syndrome and Type II cryoglobulinemia. METHODS: A 50-year-old man presented with intermittent loss of vision in his right eye related to a recurrent CRVO...
November 29, 2016: Retinal Cases & Brief Reports
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