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https://www.readbyqxmd.com/read/28746519/single-derivation-fragmented-qrs-can-predict-poor-prognosis-in-successfully-revascularized-acute-stemi-patients
#1
Zulkif Tanriverdi, Huseyin Dursun, Tugce Colluoglu, Dayimi Kaya
Background: QRS fragmentation (fQRS) is classically defined as the presence of slurred QRS morphology in at least two contiguous leads, and its prognostic importance has been shown in ST elevation myocardial infarction (STEMI). However, no study has investigated the significance of single lead fQRS (sl-fQRS) in surface electrocardiography (ECG). Objectives: To evaluate whether sl-fQRS is as valuable as classical fQRS in patients with acute STEMI who had successful revascularization with primary percutaneous coronary intervention (pPCI)...
July 20, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28723829/prognostic-implication-of-early-ventricular-fibrillation-among-patients-with-st-elevation-myocardial-infarction
#2
Kristel E Medina-Rodríguez, Manuel Almendro-Delia, Ángel García-Alcántara, José J Arias-Garrido, Juan C Rodríguez-Yáñez, Gemma Alonso-Muñoz, Rafael de la Chica-Ruiz-Ruano, Antonio Reina-Toral, Antonio Varela-López, José A Arboleda-Sánchez, Ana M Poullet-Brea, Benito Zaya-Ganfo, Michel Butrón-Calderón, Maria J Cristo-Ropero, Rafael Hidalgo-Urbano, Juan C García-Rubira
OBJECTIVE: The aim of this study was to analyze the prognosis of patients presenting early ventricular fibrillation (VF) in the setting of ST elevation myocardial infarction (STEMI). PATIENTS AND METHODS: Among patients included in the ARIAM (Análisis del Retraso en el Infarto Agudo de Miocardio) registry with the diagnosis of STEMI, those who received primary revascularization and were admitted in the first 12 h were analyzed retrospectively. RESULTS: From January 2007 to January 2012, 8340 patients were included in the STEMI cohort and 680 (8...
July 18, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28700020/a-meta-analysis-of-circulating-microvesicles-in-patients-with-myocardial-infarction
#3
Zhida Wang, Wang Cai, Shaolan Hu, Yufei Xia, Yao Wang, Qi Zhang, Liming Chen
Background: Cell-derived microvesicles (MVs) are vesicles released from activated or apoptotic cells. However, the levels of MVs in myocardial infarction have been found inconsistent in researches. Objective: To assess the association between MVs and myocardial infarction by conducting a meta-analysis. Methods: A systematic literature search on PubMed, Embase, Cochran, Google Scholar electronic database was conducted. Comparison of the MVs levels between myocardial infarction patients and healthy persons were included in our study...
July 10, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28591322/myocardial-viability-on-cardiac-magnetic-resonance
#4
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/28489217/intra-aortic-balloon-pump-in-cardiogenic-shock-state-of-the-art
#5
Petronio Generoso Thomaz, Leonel Adelino Moura, Giovana Muramoto, Renato Samy Assad
The clinical definition of cardiogenic shock is that of a low cardiac output and evidence of tissue hypoxia in the presence of adequate blood volume. Cardiogenic shock is the main cause of death related to acute myocardial infarction (AMI), with a mortality rate of 45-70% in the absence of aggressive and highly specialized technical care. The intra-aortic balloon pump (IABP) is one of the most widely used mechanical assisting devices. During the last two decades, about 42% of patients with AMI who evolved with cardiogenic shock received mechanical circulatory assistance with IABP...
January 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/28444063/effect-of-lactation-on-myocardial-vulnerability-to-ischemic-insult-in-rats
#6
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)...
May 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28440996/-quality-dimensions-focused-on-the-healthcare-protocol-infarction-code-c%C3%A3-digo-infarto
#7
Jesús Arriaga-Dávila, Gilberto Pérez-Rodríguez, Gabriela Borrayo-Sánchez
The Código Infarto (Infarction Code) strategy is part of the comprehensive care program "A Todo Corazón" (To All Heart), whose aim is to reinforce the prevention and health care of cardiovascular diseases. Mexico faces a big challenge, since it is the country with greater mortality secondary to acute myocardial infarction (AMI) in the first 30 days in patients of 45 years or older (28% compared with 7.9% of the average). In addition, Mexico's population has a high prevalence of risk factors (hypertension, diabetes, tobacco use, dyslipidemias, overweight, and obesity)...
May 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28440993/-training-of-institutional-research-networks-as-a-strategy-of-improvement
#8
María Eugenia Galván-Plata, Eduardo Almeida-Gutiérrez, Fabio Abdel Salamanca-Gómez
The Instituto Mexicano del Seguro Social (IMSS) through the Coordinación de Investigación en Salud (Health Research Council) has promoted a strong link between the generation of scientific knowledge and the clinical care through the program Redes Institucionales de Investigación (Institutional Research Network Program), whose main aim is to promote and generate collaborative research between clinical, basic, epidemiologic, educational, economic and health services researchers, seeking direct benefits for patients, as well as to generate a positive impact on institutional processes...
May 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28380133/association-between-obstructive-sleep-apnea-and-myocardial-infarction-a-systematic-review
#9
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...
April 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28296374/-protocol-for-the-care-of-acute-myocardial-infarction-in-emergency-c%C3%A3-digo-infarto-the-infarction-code
#10
Gabriela Borrayo-Sánchez, Gilberto Pérez-Rodríguez, Olga Georgina Martínez-Montañez, Eduardo Almeida-Gutiérrez, Erick Ramírez-Arias, Joel Estrada-Gallegos, Norma Magdalena Palacios-Jiménez, Martín Rosas-Peralta, Efraín Arizmendi-Uribe, Jesús Arriaga-Dávila
Cardiovascular diseases are a major public health problem because of their they impact on more than 30% of all deaths worldwide. In our country and in the Instituto Mexicano del Seguro Social (IMSS) are also the leading cause of death and the main cause of lost of healthy life years due to disability or premature death. 50% of deaths are premature; most of them are due to acute myocardial infarct. However, the investment for cardiovascular health is poor and there are no comprehensive cares programs focused on the treatment of this diseases or the control of their risk factors...
March 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28244777/obesidad-y-riesgo-de-infarto-de-miocardio-en-una-muestra-de-varones-europeos-el-%C3%A3-ndice-cintura-cadera-sesga-el-riesgo-real-de-la-obesidad-abdominal
#11
Ángel Martín Castellanos, María Dolores Cabañas Armesilla, Francisco Javier Barca Durán, Pedro Martín Castellanos, José Javier Gómez Barrado
Introducción: la obesidad es un factor de riesgo asociado al infarto de miocardio aunque el índice cintura-cadera ha mostrado mayor poder predictivo.Objetivo: análisis antropométrico Receiver Operating Characteristic(ROC) en infartados para identificar la fuerza discriminatoria de mediciones, obesidad, ratios cintura-cadera, ratios cintura-talla e índice de conicidad.Métodos: estudio caso-control de infarto miocárdico en varones europeos. Ciento doce casos/112 controles de 30-74 años fueron reclutados...
February 1, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28112708/are-perioperative-statins-beneficial-for-cardiac-surgery
#12
Gonzalo A Bravo-Soto, Valentina Llovet-Gutiérrez, Gabriel Rada
La cirugía cardiaca conlleva una alta morbimortalidad debido a múltiples causas tales como fibrilación auricular, infarto al miocardio, insuficiencia renal aguda, accidente vascular encefálico, entre otros. Por otra parte, las estatinas son una familia de medicamentos que ha demostrado disminución de eventos cardiovasculares, principalmente debido a su efecto clínico en el perfil lipídico. Sin embargo, se ha propuesto un efecto pleiotrópico, incluyendo un mecanismo antiinflamatorio agudo, cuyo real impacto clínico es controvertido...
January 16, 2017: Medwave
https://www.readbyqxmd.com/read/28099589/which-coronary-lesions-are-more-prone-to-cause-acute-myocardial-infarction
#13
Taner Sen, Mehmet Ali Astarcioglu, Osman Beton, Lale Dinc Asarcikli, Celal Kilit
Background: According to common belief, most myocardial infarctions (MIs) are due to the rupture of nonsevere, vulnerable plaques with < 70% obstruction. Data from recent trials challenge this belief, suggesting that the risk of coronary occlusion is, in fact, much higher after severe stenosis. The aim of this study was to investigate whether or not acute ST-elevation MIs result from high-grade stenoses by evaluating the presence of coronary collateral circulation (CCC). Methods: We retrospectively included 207 consecutive patients who had undergone primary percutaneous coronary intervention for acute ST-elevation MI...
February 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28099588/dobutamine-stress-echocardiography-safety-in-chagas-disease-patients
#14
Daniela do Carmo Rassi, Marcelo Luiz Campos Vieira, Rogerio Gomes Furtado, Fabio de Paula Turco, Luciano Henrique Melato, Viviane Tiemi Hotta, Colandy Godoy de Oliveira Nunes, Luiz Rassi, Salvador Rassi
Background: A few decades ago, patients with Chagas disease were predominantly rural workers, with a low risk profile for obstructive coronary artery disease (CAD). As urbanization has increased, they became exposed to the same risk factors for CAD of uninfected individuals. Dobutamine stress echocardiography (DSE) has proven to be an important tool in CAD diagnosis. Despite being a potentially arrhythmogenic method, it is safe for coronary patients without Chagas disease. For Chagas disease patients, however, the indication of DSE in clinical practice is uncertain, because of the arrhythmogenic potential of that heart disease...
February 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28099550/factors-associated-with-the-contraindicated-use-of-oral-contraceptives-in-brazil
#15
Daniele Aparecida Silva Corrêa, Mariana Santos Felisbino-Mendes, Mayara Santos Mendes, Deborah Carvalho Malta, Gustavo Velasquez-Melendez
OBJECTIVE: To estimate the prevalence of the contraindicated use of oral contraceptives and the associated factors in Brazilian women. METHODS: 20,454 women who answered the VIGITEL survey in 2008 also participated in this study, of which 3,985 reported using oral contraceptives. We defined the following conditions for the contraindicated use of contraceptives: hypertension; cardiovascular diseases such as heart attack, stroke/cerebrovascular accident; diabetes mellitus; being smoker and 35 years old or older...
January 12, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28032880/hepatitis-isqu%C3%A3-mica-secundaria-a-taponamiento-cardiaco-una-causa-poco-frecuente
#16
S Goñi Esarte, J M Zozaya Urmeneta, M Goñi Esarte, J I Uriz Otano, I Idoate Santesteban, M T Beunza Puyol
La hepatitis isquémica es una entidad poco frecuente. Se asocia a una hipoperfusión hepática debida en primer lugar a un bajo gasto cardíaco (insuficiencia cardiaca congestiva, infarto agudo de miocardio o miocardiopatía dilatada). De forma menos frecuente puede ser secundaria a una insuficiencia respiratoria o al aumento de las necesidades de oxígeno en el contexto de una sepsis.Paciente varón de 49 años que acude al servicio de Urgencias por disnea progresiva e hipotensión, objetivándose una importante elevación de transaminasas (aspartato aminotransferasa de 5...
December 30, 2016: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/27982267/in-lab-upfront-use-of-tirofiban-may-reduce-the-occurrence-of-no-reflow-during-primary-percutaneous-coronary-intervention-a-pilot-randomized-study
#17
Igor Matos Lago, Gustavo Caires Novaes, André Vannucchi Badran, Rafael Brolio Pavão, Ricardo Barbosa, Geraldo Luiz de Figueiredo, Moysés de Oliveira Lima, Jorge Luiz Haddad, André Schmidt, José Antônio Marin
Background: Despite successful opening of culprit coronary artery, myocardial reperfusion does not always follows primary percutaneous coronary intervention (PPCI). Glycoprotein IIb/IIIa inhibitors are used in the treatment of no-reflow (NR), but their role to prevent it is unproven. Objective: To evaluate the effect of in-lab administration of tirofiban on the incidence of NR in ST-elevation myocardial infarction (STEMI) treated with PPCI. Methods: STEMI patients treated with PPCI were randomized (24 tirofiban and 34 placebo) in this double-blinded study to assess the impact of intravenous tirofiban on the incidence of NR after PPCI according to angiographic and electrocardiographic methods...
November 2016: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/27764925/-ecological-study-on-the-mortality-of-residents-in-manfredonia-apulia-region-southern-italy-from-1970-to-2013
#18
Emilio Antonio Luca Gianicolo, Cristina Mangia, Marco Cervino, Antonella Bruni, Bruna De Marchi, Annibale Biggeri, Rosa Porcu, Maria Angela Vigotti
OBIETTIVI: valutare lo stato di salute della popolazione residente nel comune di Manfredonia dal 1970 al 2013. DISEGNO: analisi descrittiva dell'andamento temporale della mortalità generale, per gruppi di cause, dal 1970 al 2013. SETTING E PARTECIPANTI: i dati di mortalità e le popolazioni residenti sono di fonte Istat. Sono state esaminate 55 cause di decesso. Le analisi sono disaggregate per sesso e periodo. PRINCIPALI MISURE DI OUTCOME: sono stati elaborati i rapporti standardizzati di mortalità (SMR%), con i rispettivi intervalli di confidenza al 90% (IC90%), e i tassi di mortalità standardizzati col metodo diretto (TSD )...
September 2016: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/27759818/frequency-and-risk-factors-for-the-birth-of-small-for-gestational-age-newborns-in-a-public-maternity-hospital
#19
Marina Parca Cavelagna Teixeira, Tatiana Peloso Reis Queiroga, Maria Dos Anjos Mesquita
Objective: To determine the frequency and risk factors of small-for-gestational-age newborns in a high-risk maternity. Methods: This is an observational, cross-sectional, and case-control study, conducted in a public tertiary care maternity hospital. Data from 998 newborns and their mothers were collected through interviews and review of medical records and prenatal care cards. Some placentas underwent histopathological analysis. The variables of small-for-gestational-age and non-small-for-gestational-age newborns and of their mothers were statistically compared by means of Student's t test, Fisher's exact test, and odds ratio...
July 2016: Einstein
https://www.readbyqxmd.com/read/27533257/effects-of-air-pollutant-exposure-on-acute-myocardial-infarction-according-to-gender
#20
Tássia Soldi Tuan, Taís Siqueira Venâncio, Luiz Fernando Costa Nascimento
Background: There is evidence of the effects of air pollution on hospital admissions due to cardiovascular diseases, including myocardial infarction. Objective: To estimate the association between exposure to air pollutants and hospital admissions due to myocardial infarction according to gender, between January 1st 2012 and December 31st 2013, in São Jose dos Campos-SP. Methods: An ecological time series study was carried out with daily data of admissions due to AMI, pollutants CO, O3, PM10, SO2, and NO2, according to gender...
September 2016: Arquivos Brasileiros de Cardiologia
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