نتایج جستجو برای: cardiac iron overload

تعداد نتایج: 430331  

2017
Dong-Mei Zou Wan-Ling Sun

OBJECTIVE The aim of this study was to summarize the interactions between hepatitis C virus (HCV) infection and iron overload, and to understand the mechanisms of iron overload in chronic hepatitis C (CHC) and the role iron plays in HCV life cycle. DATA SOURCES This review was based on data in articles published in the PubMed databases up to January 28, 2017, with the keywords "hepatitis C vi...

2018
Dijiong Wu Xiaowen Wen Wenbin Liu Linlong Xu Baodong Ye Yuhong Zhou

Iron overload is commonly encountered during the course of aplastic anemia (AA), but no composite animal model has been developed yet, which hinders drug research. In the present study, the optimal dosage and duration of intraperitoneal iron dextran injection for the development of an iron overload model in mice were explored. A composite model of AA was successfully established on the principl...

Journal: :World journal of gastroenterology 2007
Yutaka Kohgo Katsuya Ikuta Takaaki Ohtake Yoshihiro Torimoto Junji Kato

There are several cofactors which affect body iron metabolism and accelerate iron overload. Alcohol and hepatic viral infections are the most typical examples for clarifying the role of cofactors in iron overload. In these conditions, iron is deposited in hepatocytes and Kupffer cells and reactive oxygen species (ROS) produced through Fenton reaction have key role to facilitate cellular uptake ...

Journal: :Journal of pediatric hematology/oncology 2014
Lale Olcay Tuncay Hazirolan Yildiz Yildirmak Esra Erdemli Yunus Kasim Terzi Kemal Arda Seda Oztürkmen Arzu Akyay Meriç Kaymak-Cihan Zafer Biçakçi Ceylan Bal

Iron overload in hereditary hemochromatosis and hematologic malignancy has unfavorable effects on morbidity. Herein, 53 children (age 108.4±58.3 mo, 25 girls and 28 boys) with acute myeloblastic and lymphoblastic leukemia, who received 4 different chemotherapy protocols, were evaluated for iron overload throughout chemotherapy. Iron overload arose: (1) before chemotherapy, which was dependent o...

Journal: :American journal of clinical pathology 2001
B Turlin M H Mendler R Moirand D Guyader A Guillygomarc'h Y Deugnier

The aim of the present study was to describe histologic features of the liver in insulin resistance-associated hepatic iron overload (IR-HIO), defined as the association of metabolic disorders and hepatic iron overload. We included 139 patients in the study on the basis of one or more metabolic disorders and liver iron overload unrelated to usual causes. Liver biopsy specimens were reviewed, an...

رضایی, منصور , فشاری صفوی, علیرضا, فلاح پاکدل, شیرین, هاشمیان, امیرحسین , پاینده, مهرداد, گلپایگانی, محمدرضا,

Background and purpose: The diagnosis of iron overload in various organs such as heart and liver in patients with blood-transfusion-dependent thalassemia can greatly improve their quality of life. In this study, we investigated the relationship of T2*-weighted magnetic resonance imaging (MRIT2*) of heart and liver with ferritin levels also assessed the factors affecting iron overload using gene...

Journal: :Hematology. American Society of Hematology. Education Program 2006
Alan R Cohen

The emergence of new chelators is likely to have a major impact on the treatment of thalassemia major, sickle cell disease and other hematologic disorders for which regular red cell transfusions are required either to correct severe anemia or to prevent major complications of the underlying disease. In comparison with deferoxamine, which requires prolonged parenteral infusion to achieve negativ...

Journal: :Haematologica 2002
Giovanni Barosi Laura Salvaneschi Maurizia Grasso Miryam Martinetti Monia Marchetti Umberto Bodini Alessandro Reggiani Francesco D'Agostino Giulio Nalli Alberto Degiuli Annalisa De Silvestri Eloisa Arbustini

BACKGROUND AND OBJECTIVES In Italy, typical HFE mutations account for only 64% of the cases with overt hereditary hemochromatosis (HH), and a common HFE-unrelated disease was hypothesized. DESIGN AND METHODS One thousand and fifty potential blood donors were screened by iron tests, C282Y and H63D HFE mutation analysis in a region in North Italy. Subjects with repeated fasting transferrin satu...

2001
James C. Barton Benjamin L. Preston Sharon M. McDonnell Barry E. Rothenberg

Volume 41, January 2001 TRANSFUSION 123 Hemochromatosis occurs in approximately 1 in 200 white persons of Western European descent, and it increases the propensity to absorb excess iron. Iron overload associated with hemochromatosis can cause hepatic cirrhosis, primary liver cancer, arthropathy, diabetes mellitus, other endocrinopathic disorders, and a reduction in lifespan.1,2 These complicati...

Journal: :Journal of clinical pathology 2011
Manuel Muñoz José Antonio García-Erce Ángel Francisco Remacha

MAIN DISORDERS OF IRON METABOLISM: Increased iron requirements, limited external supply, and increased blood loss may lead to iron deficiency (ID) and iron deficiency anaemia. In chronic inflammation, the excess of hepcidin decreases iron absorption and prevents iron recycling, resulting in hypoferraemia and iron restricted erythropoiesis, despite normal iron stores (functional iron deficiency)...

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