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https://www.readbyqxmd.com/read/28591322/myocardial-viability-on-cardiac-magnetic-resonance
#1
Ana Luiza Mansur Souto, Rafael Mansur Souto, Isabella Cristina Resende Teixeira, Marcelo Souto Nacif
The study of myocardial viability is of great importance in the orientation and management of patients requiring myocardial revascularization or angioplasty. The technique of delayed enhancement (DE) is accurate and has transformed the study of viability into an easy test, not only for the detection of fibrosis but also as a binary test detecting what is viable or not. On DE, fibrosis equal to or greater than 50% of the segmental area is considered as non-viable, whereas that below 50% is considered viable...
May 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/27982271/cardiac-magnetic-resonance-verified-myocardial-fibrosis-in-chagas-disease-clinical-correlates-and-risk-stratification
#2
Marly Uellendahl, Maria Eduarda Menezes de Siqueira, Eveline Barros Calado, Roberto Kalil-Filho, Dário Sobral, Clébia Ribeiro, Wilson Oliveira, Silvia Martins, Jagat Narula, Carlos Eduardo Rochitte
Background: Chagas disease (CD) is an important cause of heart failure and mortality, mainly in Latin America. This study evaluated the morphological and functional characteristics of the heart as well the extent of myocardial fibrosis (MF) in patients with CD by cardiac magnetic resonance (CMR). The prognostic value of MF evaluated by myocardial-delayed enhancement (MDE) was compared with that via Rassi score. Methods: This study assessed 39 patients divided into 2 groups: 28 asymptomatic patients as indeterminate form group (IND); and symptomatic patients as Chagas Heart Disease (CHD) group...
November 2016: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/27305110/reproducibility-of-gadolinium-enhancement-patterns-and-wall-thickness-in-hypertrophic-cardiomyopathy
#3
Gaston A Rodriguez-Granillo, Alejandro Deviggiano, Carlos Capunay, Macarena C De Zan, Patricia Carrascosa
BACKGROUND: Reproducibility data of the extent and patterns of late gadolinium enhancement (LGE) in hypertrophic cardiomyopathy (HCM) is limited. OBJECTIVE: To explore the reproducibility of regional wall thickness (WT), LGE extent, and LGE patterns in patients with HCM assessed with cardiac magnetic resonance (CMR). METHODS: The extent of LGE was assessed by the number of segments with LGE, and by the total LV mass with LGE (% LGE); and the pattern of LGE-CMR was defined for each segment...
July 2016: Arquivos Brasileiros de Cardiologia
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