Performance of automated ECV maps versus conventionally calculated ECV
نویسندگان
چکیده
منابع مشابه
Performance of automated ECV maps versus conventionally calculated ECV
Background The extracellular volume fraction (ECV) is a surrogate marker for diffuse myocardial fibrosis. ECV is calculated from preand post-contrast T1 maps and corrected for hematocrit (Hct). Current workflows are cumbersome, but an automated ECV map tool simplifies this and could promote adoption into routine clinical practice. We assessed the performance of automated ECV maps versus convent...
متن کاملAutomated inline extracellular volume (ECV) mapping
Background Quantitative extracellular volume (ECV) estimates based on T1 mapping have potential for characterizing cardiomyopathies with diffuse fibrosis and edema [1,2]. An unsupervised approach for generating pixel-wise ECV maps was recently introduced [3]. In this work we extend the algorithms to include saturation recoverybased T1 mapping and present an inline implementation of these method...
متن کاملTo ECV or not to ECV? The current evidence base concerning external cephalic version.
External cephalic version (ECV) is the technique of attempting to turn a baby in the womb from a head-up to a head-down position. The practice is grounded on evidence that vaginal breech birth (VBB) presents greater short-term risks for babies than caesarean section (CS) (Hofmeyr et al 2011), but that labour and vaginal birth also offer benefits to both mothers and babies. Therefore, if we can ...
متن کاملComparison of short and long axis T1 and ECV maps in patients with myocarditis
Methods This study included 50 patients with clinically suspected myocarditis, who underwent CMR at 1.5 Tesla. T1 quantification was performed on three short (basis, center, apex) and on three long axis slices (2-, 3and 4-chamber orientation), respectively. The modified Look-Locker inversionrecovery (MOLLI) sequence was used before and 15 minutes after administration of 0.075 mmol/kg Gadolinium...
متن کاملAn instantaneous ECV with no blood sampling: using native blood T1 for hematocrit is as good as standard ECV
Background The extracellular volume fraction (ECV) by T1 mapping measures the size of the myocardial interstitium. T1 changes in blood and myocardium are used to measure the contrast partition coefficient (l), and substituting in the blood volume of distribution (directly measured on a peripheral blood sample as one minus the hematocrit [Hct]) provides the ECV. This methodology is however cumbe...
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ژورنال
عنوان ژورنال: Journal of Cardiovascular Magnetic Resonance
سال: 2015
ISSN: 1532-429X
DOI: 10.1186/1532-429x-17-s1-p56