نتایج جستجو برای: cardiac iron overload

تعداد نتایج: 430331  

Journal: :Diagnostic and interventional radiology 2010
Tuncay Hazirolan Gonca Eldem Sule Unal Burcu Akpinar Fatma Gümrük Sedat Alibek Mithat Haliloğlu

PURPOSE Cardiac failure due to myocardial iron overload is the most common cause of death in beta-thalassemia patients. Multi/ two echo times-turbo field echo (TE-TFE) magnetic resonance imaging (MRI) is considered the gold standard technique in the evaluation of myocardial iron accumulation. However, multi TE-TFE technique is not available in all scanners. The aim of our study was to show the ...

Journal: :Clinical journal of oncology nursing 2009
Patricia Ault Karen Jones

Patients receiving recurring blood transfusions as supportive therapy to treat chronic anemias, such as myelodysplastic syndromes, thalassemia, and sickle-cell disease, are at risk of iron accumulation. The clinical consequences of iron overload are progressive liver damage, cardiac disease, and endocrine disorders, which can be fatal. Nurses have a vital role in the initial assessment and moni...

2008
M. Beaumont H-L. M. Cheng

INTRODUCTION Iron overload is common in thalassaemia major and sickle cell disease (due to frequent blood transfusions) and in hereditary hemochromatosis. The traditional method to determine total body iron is liver biopsy, as this is the site where iron is first stored. In recent years, non-invasive iron quantification based on MRI [1,2] has been developed, and a FDA-approved T2-based techniqu...

2016
Ning Jin Juliano L Fernandes David Firmin Clerio F Azevedo Juliana Serafim da Silveira George Lathra Mathew Nathan Lamba Sharath Subramanian Dudley J Pennell Subha V Raman Orlando P Simonetti

Background T2* measurement is widely used in the assessment of patients at risk for cardiac and hepatic iron overload (1,2). The conventional breath-hold, ECG-triggered, segmented, multi-echo gradient echo sequence (BH MGRE) used for myocardial T2* quantification (3) is very sensitive to respiratory motion and may not be feasible in patients who are unable to breath-hold. To overcome this limit...

2015
Amna Abdel-Gadir Daniel Sado Stuart Murch Viviana Maestrini Stefania Rosmini Thomas A Treibel Marianna Fontana Heerajnarain Bulluck Stefan K Piechnik Charlotte Manisty Anna S Herrey John Malcolm Walker John Porter James Moon

Background The management of iron overload has been transformed by the use of T2* as a surrogate marker of cardiac iron loading. The presence of iron however not only changes T2*, but also T2 and T1. Recent advances make T1 mapping a possible complementary technique to T2*. Preliminary data are encouraging, but the relative advantages and disadvantages and optimal mathematical model for the rel...

2014
Mohammed H Alam Arun J Baksi Taigang He Gillian C Smith Cemil Izgi Ricardo Wage Peter Drivas Andreas Greiser Bruce S Spottiswoode David Firmin Dudley J Pennell

Background The ability of T2* cardiovascular magnetic resonance (CMR) to identify cardiac iron loading has facilitated a dramatic reduction in mortality in patients with iron overload. There remains a worldwide need for improved access to iron evaluation. One route to achieving this would be simple in-line T2* analysis. We compared our validated T2* methods which use Royal Brompton Hospital (RB...

Journal: :iranian journal of toxicology 0
رضا غفاری reza ghafari ‎ md student, arak university of medical sciences, arak, iran.‎ جابر قره داغی jaber gharehdaghi department of legal medicine research center, tehran university of medical sciences, tehran, iran.‎ حسن صلحی hassan‎ solhi‎ ‎ department of forensic medicine, arak university of medical sciences, arak, iran.‎

background: iron is an essential mineral for normal cellular physiology but its ‎overload can lead to cell injury. for many years, deferoxamine injection has been used ‎as an iron chelator for treatment of iron overload. the aim of this study is to compare ‎oral deferoxamine, activated charcoal, and vitamin c, as an absorbent factor of fe, in ‎changing the serum level of iron in iron overload r...

Journal: :Acta haematologica 2007
Maya Otto-Duessel Michelle Aguilar Rex Moats John C Wood

INTRODUCTION Iron cardiomyopathy is a lethal complication of transfusion therapy in thalassemia major. Nutritional supplements decreasing cardiac iron uptake or toxicity would have clinical significance. Murine studies suggest taurine may prevent oxidative damage and inhibit Ca2+-channel-mediated iron transport. We hypothesized that taurine supplementation would decrease cardiac iron-overloaded...

Journal: :Acta haematologica 2009
M D Cappellini A Taher

Deferasirox is a once-daily oral iron chelator with established dose-dependent efficacy in both adult and pediatric patients with transfusional iron overload. The clinical development program has demonstrated the efficacy of deferasirox for up to 4.5 years of treatment in patients with various underlying anemias, including beta-thalassemia, myelodysplastic syndromes, sickle cell disease, aplast...

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