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Arquivos Brasileiros de Cardiologia

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https://www.readbyqxmd.com/read/29069204/cardiac-metabolic-and-molecular-profiles-of-sedentary-rats-in-the-initial-moment-of-obesity
#1
Bruno Barcellos Jacobsen, Ana Paula Lima Leopoldo, Jóctan Pimentel Cordeiro, Dijon Henrique Salomé de Campos, André Ferreira do Nascimento, Mário Mateus Sugizaki, Antônio Carlos Cicogna, Carlos Roberto Padovani, André Soares Leopoldo
BACKGROUND: Different types of high-fat and/or high-energy diets have been used to induce obesity in rodents. However, few studies have reported on the effects observed at the initial stage of obesity induced by high-fat feeding on cardiac functional and structural remodelling. OBJECTIVE: To characterize the initial moment of obesity and investigate both metabolic and cardiac parameters. In addition, the role of Ca2+ handling in short-term exposure to obesity was verified...
October 19, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29069203/first-results-of-the-brazilian-registry-of-percutaneous-left-atrial-appendage-closure
#2
Ênio Eduardo Guérios, Francisco Chamié, Márcio Montenegro, Eduardo Benchimol Saad, Fabio Sandoli de Brito, Paulo Avancini Caramori, Luiz Carlos Simões, Flávio Roberto Azevedo de Oliveira, Luiz Carlos Giuliano, Cláudio Munhoz da Fontoura Tavares
BACKGROUND: Left atrial appendage closure (LAAC) is an effective alternative to oral anticoagulation (OA) for the prevention of stroke in patients with non-valvular atrial fibrillation (NVAF). OBJECTIVE: To present the immediate results and late outcomes of patients submitted to LAAC and included in the Brazilian Registry of Percutaneous Left Atrial Appendage Closure. METHODS: 91 patients with NVAF, high stroke risk (CHA2DS2VASc score = 4...
October 19, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29069202/association-of-inflammation-and-endothelial-dysfunction-with-coronary-microvascular-resistance-in-patients-with-cardiac-syndrome-x
#3
Ming Long, Zhibin Huang, Xiaodong Zhuang, Zena Huang, Yue Guo, Xinxue Liao, Chufan Luo
BACKGROUND: Although a proportion of CSX patients have impaired brachial artery flow-mediated dilatation (FMD) in response to hyperemia, suggesting that endothelial dysfunction in these patients may be systemic and not just confined to the coronary circulation; the underlying mechanisms triggering endothelial dysfunction in these patients are still incompletely understood. OBJECTIVES: To assess the association of the index of Microcirculatory Resistance (IMR) with endothelial dysfunction and inflammation in patients with CSX...
October 19, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977057/importance-of-clinical-and-laboratory-findings-in-the-diagnosis-and-surgical-prognosis-of-patients-with-constrictive-pericarditis
#4
Fábio Fernandes, Dirceu Thiago Pessoa de Melo, Felix José Alvarez Ramires, Ricardo Ribeiro Dias, Marcio Tonini, Vinicius Dos Santos Fernandes, Carlos Eduardo Rochitte, Carlos Henrique Valente Moreira, Charles Mady
BACKGROUND: International studies have reported the value of the clinical profile and laboratory findings in the diagnosis of constrictive pericarditis. However, Brazilian population data are scarce. OBJECTIVE: To assess the clinical characteristics, sensitivity of imaging tests and factors related to the death of patients with constrictive pericarditis undergoing pericardiectomy. METHODS: Patients with constrictive pericarditis surgically confirmed were retrospectively assessed regarding their clinical and laboratory variables...
October 2, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977056/electrocardiographic-findings-in-brazilian-adults-without-heart-disease-elsa-brasil
#5
Marcelo Martins Pinto, Luisa C C Brant, José Luiz Padilha-da-Silva, Murilo Foppa, Paulo A Lotufo, José Geraldo Mill, Paulo R Vasconcelo-Silva, Maria da Conceição C Almeida, Sandhi Maria Barreto, Antônio Luiz Pinho Ribeiro
BACKGROUND: The electrocardiogram (ECG) is widely used in population-based studies. However, there are few studies on electrocardiographic findings in Latin America and in Brazil. The Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) comprised 15,105 participants (35-74 years) from six Brazilian capitals. OBJECTIVES: To describe electrocardiographic findings in Brazilian adults without heart disease, stratified by sex, age and race/skin color. METHODS: Cross-sectional study with baseline data of 11,094 adults (44...
October 2, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977055/evaluation-of-left-ventricular-diastolic-function-by-echocardiography-with-tissue-doppler-in-systemic-sclerosis
#6
Marina Carneiro de Freitas Roque, Percival D Sampaio-Barros, Ana Lucia Arruda, Sergio Barros-Gomes, Derly Becker, José Lazaro de Andrade, Ana Clara Tude Rodrigues
BACKGROUND: Systemic sclerosis (SS) is a connective tissue abnormality characterized by fibrosis of the skin and internal organs. Cardiac involvement with consequent myocardial dysfunction in SS is associated with increased morbidity and mortality. OBJECTIVE: To investigate the left ventricular (LV) diastolic function in patients with SS and preserved systolic function. METHODS: Patients with SS were evaluated with two-dimensional echocardiography with tissue Doppler for analysis of chamber diameters, LV mass index (LVMI), indexed left atrial volume (iLAV), systolic function of both ventricles, and presence and degree of diastolic dysfunction (DD)...
October 2, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977054/endostatin-a-potential-biomarker-for-heart-failure-with-preserved-ejection-fraction
#7
Michael Coll Barroso, Philip Boehme, Frank Kramer, Thomas Mondritzki, Till Koehler, Jan-Erik Gülker, Martin Karoff, Wilfried Dinh
BACKGROUND: Endostatin is a circulating endogenous angiogenesis inhibitor preventing neovascularization. Previous studies demonstrated the prognostic value of Endostatin among patients with heart failure with reduced ejection fraction (HFrEF). However, the role of Endostatin among patients with heart failure with preserved ejection fraction (HFpEF) remains unclear. OBJECTIVE: This study aimed to investigate the association between serum Endostatin levels, natriuretic peptide levels and the severity of left ventricular diastolic dysfunction and the diagnosis of HFpEF...
September 28, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977053/large-accumulation-of-collagen-and-increased-activation-of-mast-cells-in-hearts-of-mice-with-hyperlipidemia
#8
Yunpeng Cheng, Yanqiu Zhu, Jiashu Zhang, Xingping Duan, Ying Zhang
BACKGROUND: Hyperlipidemia, which is characterized by an elevation of lipids in the bloodstream, is a major risk factor for cardiac disease. OBJECTIVES: The present study investigated the role of fibrosis in the progression of hyperlipidemia in the mice heart, and whether mast cell activation was associated with the fibrosis process. METHODS: Hyperlipidemia was produced in C57BL / 6 mice by feeding them on a high-fat diet for 8 weeks.To assess tissue fibrosis, picrosirius red staining was performed...
September 28, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29069210/positions-guidelines-and-standardizations-vehicles-of-assistance-to-medical-practice
#9
Antônio Carlos Sobral Sousa, Claudio Pereira da Cunha, Lucélia Batista Neves Cunha Magalhães, Sergio Emanuel Kaiser, José Francisco Kerr Saraiva
No abstract text is available yet for this article.
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29069209/spider-like-coronary-anatomy-the-true-spider
#10
Levent Cerit, Hamza Duygu, Kamil Gülşen, Hatice Kemal, Barcin Ozcem
No abstract text is available yet for this article.
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29069208/childhood-obesity-mmp-9-levels-and-vitamin-d
#11
Zeynep Cerit, Claudio Andrade, Adriana Bosco, Valeria Sandrim, Francisco Silva, Claudio Andrade, Adriana Bosco, Valeria Sandrim, Francisco Silva
No abstract text is available yet for this article.
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29069207/myocardial-edema-without-fibrosis-by-magnetic-resonance-t2-mapping-in-acute-chagas-myocarditis
#12
Andréa Silvestre de Sousa, Maria Eduarda Derenne, Alejandro Marcel Hasslocher-Moreno, Sérgio Salles Xavier, Ilan Gottlieb
No abstract text is available yet for this article.
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29069206/g-proteins-agonists-and-no-cgmp-blockers-unexplored-frontiers-in-the-pharmaceutical-industry
#13
Paulo Roberto B Evora
No abstract text is available yet for this article.
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29069205/case-5-2017-a-28-year-old-woman-with-cor-pulmonale-due-to-pulmonary-hypertension-secondary-to-chronic-pulmonary-thromboembolism
#14
Jussara de Almeida Bruno, Rafael Amorim Belo Nunes, Paulo Sampaio Gutierrez, Vera Demarchi Aiello
No abstract text is available yet for this article.
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977052/impact-of-paclitaxel-eluting-balloons-compared-to-second-generation-drug-eluting-stents-for-of-in-stent-restenosis-in-a-primarily-acute-coronary-syndrome-population
#15
Guillaume Marquis-Gravel, Alexis Matteau, Brian J Potter, François Gobeil, Nicolas Noiseux, Louis-Mathieu Stevens, Samer Mansour
BACKGROUND: The place of drug-eluting balloons (DEB) in the treatment of in-stent restenosis (ISR) is not well-defined, particularly in a population of all-comers with acute coronary syndromes (ACS). OBJECTIVE: Compare the clinical outcomes of DEB with second-generation drug-eluting stents (DES) for the treatment of ISR in a real-world population with a high proportion of ACS. METHODS: A retrospective analysis of consecutive patients with ISR treated with a DEB compared to patients treated with a second-generation DES was performed...
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977051/non-sustained-ventricular-tachycardia-episodes-predict-future-hospitalization-in-icd-recipients-with-heart-failure
#16
Fatih Mehmet Uçar, Mustafa Adem Yilmaztepe, Gökay Taylan, Meryem Aktoz
BACKGROUND: Implantable cardioverter-defibrillator (ICD) therapy is well known to reduce mortality in selected patients with heart failure (HF). OBJECTIVE: To investigate whether monitored episodes of non-sustained ventricular tachycardia (NSVT) might predict future HF hospitalizations in ICD recipients with HF. METHODS: We examined 104 ICD recipients (mean age: 60 ± 10.1 years, 80.8 % male) with HF who were referred to our outpatient clinic for device follow-up...
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977050/angiotensin-converting-enzyme-id-polymorphism-in-patients-with-heart-failure-secondary-to-chagas-disease
#17
Silene Jacinto da Silva, Salvador Rassi, Alexandre da Costa Pereira
BACKGROUND: Changes in the angiotensin-converting enzyme (ACE) gene may contribute to the increase in blood pressure and consequently to the onset of heart failure (HF). The role of polymorphism is very controversial, and its identification in patients with HF secondary to Chagas disease in the Brazilian population is required. OBJECTIVE: To determine ACE polymorphism in patients with HF secondary to Chagas disease and patients with Chagas disease without systolic dysfunction, and to evaluate the relationship of the ACE polymorphism with different clinical variables...
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977049/causes-and-predictors-of-in-hospital-mortality-in-patients-admitted-with-or-for-heart-failure-at-a-tertiary-hospital-in-brazil
#18
André Wajner, Priccila Zuchinali, Vírgilio Olsen, Carisi A Polanczyk, Luis Eduardo Rohde
BACKGROUND: Although heart failure (HF) has high morbidity and mortality, studies in Latin America on causes and predictors of in-hospital mortality are scarce. We also do not know the evolution of patients with compensated HF hospitalized for other reasons. OBJECTIVE: To identify causes and predictors of in-hospital mortality in patients hospitalized for acute decompensated HF (ADHF), compared to those with HF and admitted to the hospital for non-HF related causes (NDHF)...
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28977048/prevalence-and-prediction-of-obstructive-coronary-artery-disease-in-patients-undergoing-primary-heart-valve-surgery
#19
José Guilherme Cazelli, Gabriel Cordeiro Camargo, Dany David Kruczan, Clara Weksler, Alexandre Rouge Felipe, Ilan Gottlieb
BACKGROUND: The prevalence of coronary artery disease (CAD) in valvular patients is similar to that of the general population, with the usual association with traditional risk factors. Nevertheless, the search for obstructive CAD is more aggressive in the preoperative period of patients with valvular heart disease, resulting in the indication of invasive coronary angiography (ICA) to almost all adult patients, because it is believed that coronary artery bypass surgery should be associated with valve replacement...
October 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28876376/pre-frailty-increases-the-risk-of-adverse-events-in-older-patients-undergoing-cardiovascular-surgery
#20
Miguel K Rodrigues, Artur Marques, Denise M L Lobo, Iracema I K Umeda, Mayron F Oliveira
BACKGROUND: Frailty is identified as a major predictor of adverse outcomes in older surgical patients. However, the outcomes in pre-frail patients after cardiovascular surgery remain unknown. OBJECTIVE: To investigate the main outcomes (length of stay, mechanical ventilation time, stroke and in-hospital death) in pre-frail patients in comparison with no-frail patients after cardiovascular surgery. METHODS: 221 patients over 65 years old, with established diagnosis of myocardial infarction or valve disease were enrolled...
October 2017: Arquivos Brasileiros de Cardiologia
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