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Arquivos Brasileiros de Cardiologia

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https://www.readbyqxmd.com/read/28492739/relationship-between-resting-heart-rate-blood-pressure-and-pulse-pressure-in-adolescents
#1
Diego Giulliano Destro Christofaro, Juliano Casonatto, Luiz Carlos Marques Vanderlei, Gabriel Grizzo Cucato, Raphael Mendes Ritti Dias
Background: High resting heart rate is considered an important factor for increasing mortality chance in adults. However, it remains unclear whether the observed associations would remain after adjustment for confounders in adolescents. Objectives: To analyze the relationship between resting heart rate, blood pressure and pulse pressure in adolescents of both sexes. Methods: A cross-sectional study with 1231 adolescents (716 girls and 515 boys) aged 14-17 years...
May 4, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28492738/factors-associated-with-coronary-artery-disease-progression-assessed-by-serial-coronary-computed-tomography-angiography
#2
Gabriel Cordeiro Camargo, Tamara Rothstein, Maria Eduarda Derenne, Leticia Sabioni, João A C Lima, Ronaldo de Souza Leão Lima, Ilan Gottlieb
Background: Coronary computed tomography angiography (CCTA) allows for noninvasive coronary artery disease (CAD) phenotyping. Factors related to CAD progression are epidemiologically valuable. Objective: To identify factors associated with CAD progression in patients undergoing sequential CCTA testing. Methods: We retrospectively analyzed 384 consecutive patients who had at least two CCTA studies between December 2005 and March 2013. Due to limitations in the quantification of CAD progression, we excluded patients who had undergone surgical revascularization previously or percutaneous coronary intervention (PCI) between studies...
May 4, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28444064/assessment-of-carotid-intima-media-thickness-as-an-early-marker-of-vascular-damage-in-hypertensive-children
#3
Liz Andréa Villela Baroncini, Lucimary de Castro Sylvestre, Camila Varotto Baroncini, Roberto Pecoits
Background: The increased carotid intima-media thickness (CIMT) correlates with the presence of atherosclerosis in adults and describes vascular abnormalities in both hypertensive children and adolescents. Objective: To assess CIMT as an early marker of atherosclerosis and vascular damage in hypertensive children and adolescents compared with non-hypertensive controls and to evaluate the influence of gender, age, and body mass index (BMI) on CIMT on each group. Methods: Observational cohort study...
April 20, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28444063/effect-of-lactation-on-myocardial-vulnerability-to-ischemic-insult-in-rats
#4
Sahar Askari, Alireza Imani, Hamidreza Sadeghipour, Mahdieh Faghihi, Zohreh Edalatyzadeh, Samira Choopani, Nasser Karimi, Sulail Fatima
Background: Cardiovascular diseases are the leading cause of mortality and long-term disability worldwide. Various studies have suggested a protective effect of lactation in reducing the risk of cardiovascular diseases. Objective: This study was designed to assess the effects of pregnancy and lactation on the vulnerability of the myocardium to an ischemic insult. Methods: Eighteen female rats were randomly divided into three groups: ischemia-reperfusion (IR), in which the hearts of virgin rats underwent IR (n = 6); lactating, in which the rats nursed their pups for 3 weeks and the maternal hearts were then submitted to IR (n = 6); and non-lactating, in which the pups were separated after birth and the maternal hearts were submitted to IR (n = 6)...
April 20, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28444062/prognostic-value-of-coronary-flow-reserve-obtained-on-dobutamine-stress-echocardiography-and-its-correlation-with-target-heart-rate
#5
José Sebastião de Abreu, Eduardo Arrais Rocha, Isadora Sucupira Machado, Isabelle O Parahyba, Thais Brito Rocha, Fernando José Villar Nogueira Paes, Tereza Cristina Pinheiro Diogenes, Marília Esther Benevides de Abreu, Ana Gardenia Liberato Ponte Farias, Marcia Maria Carneiro, José Nogueira Paes
Background: Normal coronary flow velocity reserve (CFVR) (≥ 2) obtained in the left anterior descending coronary artery (LAD) from transthoracic echocardiography is associated with a good prognosis, but there is no study correlating CFVR with submaximal target heart rate (HR). Objective: To evaluate the prognostic value of CFVR obtained in the LAD of patients with preserved (>50%) left ventricular ejection fraction (LVEF) who completed a dobutamine stress echocardiography (DSE), considering target HR...
April 20, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28380135/mcp-1-levels-are-associated-with-cardiac-remodeling-but-not-with-resistant-hypertension
#6
Alessandra Mileni Versuti Ritter, Ana Paula Cabral de Faria, Andrea Sabbatini, Nathalia Batista Corrêa, Veridiana Brunelli, Rodrigo Modolo, Heitor Moreno
Background: Hypertension is a chronic, low-grade inflammation process associated with the release of cytokines and development of target organ damage. Deregulated monocyte chemoattractant protein-1 (MCP-1) levels have been associated with high blood pressure and cardiovascular complications; however, the mechanisms involved are complex and not fully understood. Objective: This study aimed to compare the levels of MCP-1 in patients with resistant (RH) versus mild-to-moderate (HTN) hypertension and their association with the presence or absence of left ventricular hypertrophy (LVH) in all hypertensive subjects...
March 30, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28380134/quality-of-life-score-as-a-predictor-of-death-in-dogs-with-degenerative-mitral-valve-disease
#7
Célia M C Strunz, Mário Marcondes-Santos, Julio Yoshio Takada, Fernanda S Fragata, Antônio de Pádua Mansur
Background: The knowledge of the variables predicting mortality is important in clinical practice and for therapeutic monitoring in mitral valve disease. Objectives: To determine whether a quality of life score evaluated with the Functional Evaluation of Cardiac Health questionnaire would predict mortality in dogs with degenerative mitral valve disease (DMVD). Methods: Thirty-six client-owned dogs with mitral valve disease underwent clinical, laboratory, and echocardiographic evaluations at baseline and were monitored for 6 months...
March 30, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28380133/association-between-obstructive-sleep-apnea-and-myocardial-infarction-a-systematic-review
#8
Fernanda Porto, Yuri Saho Sakamoto, Cristina Salles
Obstructive sleep apnea (OSA) has been associated to cardiovascular risk factors. However, the association between OSA and cardiovascular disease is still controversial. The objective of the present study was to verify the association between OSA and myocardial infarction (MI). This is a systematic review of the literature performed through electronic data sources MEDLINE/PubMed, PubMed Central, Web of Science and BVS -Biblioteca Virtual em Saúde (Virtual Health Library). The descriptors used were: 'obstructive sleep apnea' AND 'polysomnography' AND 'myocardial infarction' AND 'adults NOT 'treatment...
March 30, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28380132/kinetics-of-hypotension-during-50-sessions-of-resistance-and-aerobic-training-in-hypertensive-patients-a-randomized-clinical-trial
#9
Igor Rodrigues Damorim, Tony Meireles Santos, Gustavo Willames Pimentel Barros, Paulo Roberto Cavalcanti Carvalho
Background: Resistance and aerobic training are recommended as an adjunctive treatment for hypertension. However, the number of sessions required until the hypotensive effect of the exercise has stabilized has not been clearly established. Objective: To establish the adaptive kinetics of the blood pressure (BP) responses as a function of time and type of training in hypertensive patients. Methods: We recruited 69 patients with a mean age of 63...
March 30, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28273199/genetic-evaluation-familial-screening-and-exercise
#10
Ricardo Stein, Juan Pablo Trujillo, Anderson Donelli da Silveira, Arsonval Lamounier, Lorenzo Monserrat Iglesias
No abstract text is available yet for this article.
March 6, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28273198/effects-and-mechanisms-of-radiofrequency-ablation-of-renal-sympathetic-nerve-on-anti-hypertension-in-canine
#11
Wei Chen, Xiaohong Tang, Xiaofang Yang, Chunyan Weng, Kan Yang, Juan Wen, Hong Liu, Yang Wu
Background: Radiofrequency ablation of renal sympathetic nerve (RDN) shows effective BP reduction in hypertensive patients while the specific mechanisms remain unclear. Objective: We hypothesized that abnormal levels of norepinephrine (NE) and changes in NE-related enzymes and angiotensinconverting enzyme 2 (ACE2), angiotensin (Ang)-(1-7) and Mas receptor mediate the anti-hypertensive effects of RDN. Methods: Mean values of systolic blood pressure (SBP), diastolic blood pressure (DBP) and mean arterial pressure (MAP) were assessed at baseline and follow-up...
March 6, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443968/patient-with-atrial-myxoma-and-signs-of-obstruction-of-the-left-ventricular-outflow-tract
#12
Antonio Fernando Diniz Freire, Alexandre Anderson de Sousa Soares, Tatiana de Carvalho Andreucci Torres Leal, Mucio Tavares de Oliveira Junior, Alexandre de Matos Soeiro
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443967/gramado-declaration-the-impact-of-20-years-of-cardiovascular-prevention
#13
Aloyzio Achutti, Ricardo Stein, Lúcia Pellanda, Bruce B Duncan
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443966/miniaturized-transcatheter-leadless-pacemaker-in-a-patient-with-double-mechanical-prosthesis
#14
Marta Pachón, Alberto Puchol, Finn Akerström, Andrés Sánchez-Pérez, Miguel A Arias
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443965/prognosis-determinants-after-cardioverter-defibrillators-implantation-in-brazil
#15
Arn Migowski, Regina Maria de Aquino Xavier, Katia Regina da Silva, Caio Marcos de Moraes Albertini, Elizabeth Sartori Crevelari, Eduardo Infante Januzzi de Carvalho, Alfredo Inácio Fiorelli, Martino Martinelli Filho, Roberto Costa
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443964/effects-of-chronic-exercise-on-endothelial-progenitor-cells-and-microparticles-in-professional-runners
#16
Célia Regina de Oliveira Bittencourt, Maria Cristina de Oliveira Izar, Carolina Nunes França, Valdir Lauro Schwerz, Rui Manuel Dos Santos Póvoa, Francisco Antonio Helfenstein Fonseca
BACKGROUND: The effects of chronic exposure to exercise training on vascular biomarkers have been poorly explored. OBJECTIVE: Our study aimed to compare the amounts of endothelial progenitor cells (EPCs), and endothelial (EMP) and platelet (PMP) microparticles between professional runners and healthy controls. METHODS: Twenty-five half-marathon runners and 24 age- and gender-matched healthy controls were included in the study. EPCs (CD34+/KDR+, CD133+/KDR+, and CD34+/CD133+), EMP (CD51+) and PMP (CD42+/CD31+) were quantified by flow-cytometry...
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443963/aerobic-exercise-and-the-heart-discussing-doses
#17
Claudio Gil Soares de Araújo, Claudia Lucia Barros de Castro, João Felipe Franca, Christina Grüne de Souza E Silva
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443962/erratum
#18
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443961/case-2-2017-cor-triatriatum-without-clinical-manifestation-in-a-6-year-old-girl
#19
Edmar Atik, Gláucia M P Tavares
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443960/positioning-about-the-flexibility-of-fasting-for-lipid-profiling
#20
Marileia Scartezini, Carlos Eduardo Dos Santos Ferreira, Maria Cristina Oliveira Izar, Marcello Bertoluci, Sergio Vencio, Gustavo Aguiar Campana, Nairo Massakazu Sumita, Luiz Fernando Barcelos, André A Faludi, Raul D Santos, Marcus Vinícius Bolívar Malachias, Jerolino Lopes Aquino, César Alex de Oliveira Galoro, Cleide Sabino, Maria Helane Costa Gurgel, Luiz Alberto Andreotti Turatti, Alexandre Hohl, Tania Leme da Rocha Martinez
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
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