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https://www.readbyqxmd.com/read/26582542/hemodynamic-response-to-hemodialysis-with-ultrafiltration-rate-profiles-either-gradually-decreasing-or-gradually-increasing
#1
Ricardo Morales-Alvarez, Raúl Martínez-Memije, Brayans Becerra-Luna, Paola García-Paz, Oscar Infante, Alfredo Palma-Ramírez, Amaya Caviedes-Aramburu, Jesús Vargas-Barrón, Claudia Lerma, Héctor Pérez-Grovas
Hemodialysis (HD) is usually performed with the gradually decreasing ultrafiltration rate (UFR) profile (dUFR). The aim of the present study was to compare the hemodynamic response to HD with the dUFR to that of HD with the gradually increasing UFR profile (iUFR). The study population included 10 patients (three women, mean age: 28 ± 8 years) undergoing maintenance HD who had reached dry weight without taking antihypertensive medications. Each patient received (in random order) one HD session with the dUFR and another with the iUFR (both with 3 h total UFR = 2200 mL)...
July 2016: Artificial Organs
https://www.readbyqxmd.com/read/26009250/adipose-tissue-in-metabolic-syndrome-onset-and-progression-of-atherosclerosis
#2
REVIEW
María Luna-Luna, Aida Medina-Urrutia, Gilberto Vargas-Alarcón, Fernanda Coss-Rovirosa, Jesús Vargas-Barrón, Óscar Pérez-Méndez
Metabolic syndrome (MetS) should be considered a clinical entity when its different symptoms share a common etiology: obesity/insulin resistance as a result of a multi-organ dysfunction. The main interest in treating MetS as a clinical entity is that the addition of its components drastically increases the risk of atherosclerosis. In MetS, the adipose tissue plays a central role along with an unbalanced gut microbiome, which has become relevant in recent years. Once visceral adipose tissue (VAT) increases, dyslipidemia and endothelial dysfunction follow as additive risk factors...
July 2015: Archives of Medical Research
https://www.readbyqxmd.com/read/25328397/prevalence-of-conventional-risk-factors-and-lipid-profiles-in-patients-with-acute-coronary-syndrome-and-significant-coronary-disease
#3
Héctor González-Pacheco, Jesús Vargas-Barrón, Maite Vallejo, Yigal Piña-Reyna, Alfredo Altamirano-Castillo, Pedro Sánchez-Tapia, Carlos Martínez-Sánchez
BACKGROUND: Among patients with coronary artery disease (CAD), 80%-90% present at least one conventional risk factor. On the other hand, lipid profile modification after a cardiovascular event related to acute coronary syndrome (ACS) has been recognized. The prevalence of conventional risk factors and the lipid profile at the time of admission in patients with ACS and significant CAD (stenosis ≥50%) determined through coronary angiography is not well described. METHODS: We studied 3,447 patients with a diagnosis of ACS and significant CAD with stenosis ≥50%, as shown o n angiography...
2014: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/24960319/intramyocardial-hemorrhage-in-spontaneously-reperfused-myocardial-infarction
#4
Jesús Vargas-Barrón, Héctor González-Pacheco, Gabriela Meléndez-Ramírez, Francisco Javier Roldán, Félix Damas-De los Sasntos, Aloha Meave-González, Carlos Martínez-Sánchez
OBJECTIVE. The presence of intramyocardial hemorrhage (IMH) is frequent in patients with acute myocardial infarction (AMI) undergoing primary percutaneous coronary intervention (PPCI). We aim for the presence IMH using cMRI in patients who presented AMI and did not undergo PPCI or thrombolysis. Cardiac magnetic resonance has proven to be a highly sensitive method for detect its presence in the ischemic damaged tissue. MATERIAL AND METHODS. Patients admitted with diagnosis of ST elevation myocardial infarction > 24 h after initial presentation and without reperfusion therapy were enrolled in the study...
March 2014: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/24958674/early-endothelial-nitrosylation-and-increased-abdominal-adiposity-in-wistar-rats-after-long-term-consumption-of-food-fried-in-canola-oil
#5
Rocío Bautista, Elizabeth Carreón-Torres, María Luna-Luna, Yukari Komera-Arenas, Martha Franco, José-Manuel Fragoso, Victoria López-Olmos, David Cruz-Robles, Jesús Vargas-Barrón, Gilberto Vargas-Alarcón, Oscar Pérez-Méndez
OBJECTIVE: The aim of this study was to establish whether the long-term consumption of reused canola oil contributes to the development of dyslipidemia, obesity, and endothelial function. METHODS: Canola oil was used for one frying cycle (1 FC) of corn flour dough or reused 10 times (10 FC). Rats received chow diet (control) or supplemented with 7% raw oil (RO), 1 FC or 10 FC oil (n = 10 per group). Food consumption, blood pressure (BP), and body weight plasma glucose, plasma lipids were monitored...
September 2014: Nutrition
https://www.readbyqxmd.com/read/24599923/pulmonary-hypertension-in-systemic-lupus-erythematosus-echocardiography-based-definitions-predict-6-year-survival
#6
Claudia Hübbe-Tena, Selma Gallegos-Nava, Ricardo Márquez-Velasco, Diana Castillo-Martínez, Jesus Vargas-Barrón, Julio Sandoval, Luis M Amezcua-Guerra
OBJECTIVE: The aim of this study was to investigate whether a core of echocardiography-based definitions of pulmonary hypertension (PH), as proposed by the European Society of Cardiology, European Respiratory Society and International Society of Heart and Lung Transplantation (ESC/ERS/ISHLT), may predict long-term survival in patients with SLE. METHODS: A post hoc analysis from a cohort of SLE patients followed over 6 years was performed. Clinical associations, serum biomarkers, autoantibody profile, length of survival and all-cause mortality were assessed...
July 2014: Rheumatology
https://www.readbyqxmd.com/read/23643058/left-ventricular-longitudinal-strain-measured-by-speckle-tracking-as-a-predictor-of-the-decrease-in-left-ventricular-deformation-in-children-with-congenital-stenosis-of-the-aorta-or-coarctation-of-the-aorta
#7
J Van der Ende, Clara A Vázquez Antona, Julio Erdmenger Orellana, Ángel Romero Cárdenas, Francisco Javier Roldan, Jesús Vargas Barrón
Children born with a left ventricular outflow tract obstruction (LVOTO) can present with symptoms of left ventricular (LV) failure while ejection fraction (EF) is normal. A more sensitive parameter of systolic function might be obtained with speckle tracking echocardiography, which describes ventricular longitudinal deformation in strain values. It is presumed that despite a normal or only slight decrease in ejection fraction, patients with a LVOTO demonstrate aberrations in the longitudinal deformation of the left ventricle...
July 2013: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/23167290/intramyocardial-dissecting-hematoma-and-postinfarction-cardiac-rupture
#8
Jesús Vargas-Barrón, Francisco-Javier Roldán, Ángel Romero-Cárdenas, Clara-Andrea Vázquez-Antona
Potentially fatal cardiac rupture is a complication of myocardial infarction (MI), which can appear in the first hours of the acute event and during the course of the first week. The intramyocardial dissecting hematoma might appear as a component of the rupture during the evolution process. The description of the myocardium as a helical muscular band facilitates the explanation of the fiber dissection. With echocardiography, it is possible to diagnose intramyocardial dissecting hematomas (IDH), determine its location, progression, potential complications, and in some cases its reabsorption...
January 2013: Echocardiography
https://www.readbyqxmd.com/read/23164738/-inhibiting-contractility-without-necrosis-would-it-be-helpful-for-hypertrophic-cardiomyopathy-experimental-model-of-intramyocardial-botulinum-toxin-and-wortmannin
#9
Francisco Javier Roldán-Gómez, Natalia Pavón-Martínez, Faustino Gálvez-Pérez, Jesús Vargas-Barrón
The purpose of this paper is to introduce a new idea: local inhibition of contractility without necrosis. It's potential usefulness in hypertrophic cardiomyopathy treatment is discussed and 2 pharmacological models, administrating botulinum toxin and wortmannin directly in the myocardium are disclosed.
October 2012: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/22735652/-left-main-coronary-aneurysm-and-antiphospholipid-syndrome-survival-at-12-years-a-case-report-and-literature-review
#10
REVIEW
Claudia Patricia Paz Soldán-Patiño, Gustavo Rojas-Velasco, María Alexandra Arias-Mendoza, Edmundo Enríquez-Gómez, Aloha Meave-González, Amada Álvarez-Sangabriel, Mary Carmen Amigo, Jesús Vargas-Barrón, Carlos Rodolfo Martínez-Sánchez
Coronary artery aneurysms are a relatively infrequent finding with an incidence of 1% to 2% per year. Its cause can be atherosclerosis, congenital or due to other causes less common. Its initial manifestation can be myocardial infarction and sudden death as a result of rupture or distal embolization. The large coronary aneurysms, non-atherosclerotic, located in the common part of the left main coronary artery are exceptional. The diagnostic method of choice is the coronary angiography; however, non-invasive techniques such as transthoracic including tridimensional mode and transesophageal echocardiography, magnetic resonance imaging and computed tomography may have an important role in the detection and follow-up of these anomalies...
April 2012: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/21978242/long-term-risk-of-recurrent-stroke-in-young-cryptogenic-stroke-patients-with-and-without-patent-foramen-ovale
#11
Antonio Arauz, Luis Murillo, Juan Manuel Márquez, Arturo Tamayo, Carlos Cantú, Francisco-Javier Roldan, Jesús Vargas-Barrón, Fernando Barinagarrementeria
BACKGROUND: Among patients with a patent foramen ovale and cryptogenic ischemic stroke, the long-term prognosis is unclear. AIMS: This study aims to estimate the recurrence rate in young cryptogenic stroke patients with and without patent foramen ovale. PATIENTS AND METHODS: One hundred eighty-six cryptogenic stroke patients (aged 18-45 years) were prospectively followed for up to five-years. They were divided into two groups according to the echocardiographic presence of patent foramen ovale...
December 2012: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/20361486/-echocardiographic-assessment-of-ventricular-synchrony-implications-to-patient-selection-and-treatment-outcome
#12
Eugenia Ruiz-Esparza, Francisco J Roldán, Jesús Vargas-Barrón, Angel Romero-Cárdenas, Clara Vázquez-Antona, Julio Erdmenger-Orellana
Heart failure is one of the most prevalent diseases in industrialized countries. Up to 30% of the patients with advanced heart failure present disturbances in intra-ventricular conduction, and this produce asynchrony of ventricular contractility, leading to further deterioration in heart function. Cardiac resynchronization (TRC) is an increasingly important therapeutic option for a subgroup of patients with heart failure. Several methods have been show to be useful in study the mechanical asynchrony. However, there are discrepancies between the results of the different methods...
December 2009: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/19840074/2d-and-3d-echocardiography-of-a-left-ventricular-diverticulum
#13
Eugenia Ruiz-Esparza, Francisco-Javier Roldan, Clara Vazquez-Antona, Angel Romero-Cárdenas, Jesus Vargas-Barrón
A real time transthoracic 3D study of a left ventricular diverticulum established through a narrow orifice located between the aortic and mitral valves is presented. Diverticular morphology was reconstructed and its volumes were calculated by this technique for the first time in the literature.
October 2009: Echocardiography
https://www.readbyqxmd.com/read/19712628/echocardiographic-segmental-analysis-in-patients-with-an-atrioventricular-criss-cross
#14
Jesús de Rubensfigueroa, Julio Erdmenger Orellana, Luis Muñoz Castellanos, Clara Vázquez Antona, Alfonso Buendía Hernández, Jesús Vargas Barrón
The aim of this study was to describe the echocardiographic characteristics of patients with an atrioventricular criss-cross who underwent segmental cardiac morphological analysis. The study involved five patients with a criss-cross heart (0.6% of the studies). The patients' average age was 6 years and 3 months. All patients presented with situs solitus. Three had a discordant atrioventricular connection and two had a concordant connection. In addition, four patients had a ventriculoarterial connection with a double-outlet right ventricle while one had a concordant connection...
September 2009: Revista Española de Cardiología
https://www.readbyqxmd.com/read/19545068/ten-year-clinical-and-echocardiographic-follow-up-of-patients-undergoing-percutaneous-mitral-commissurotomy-with-inoue-balloon
#15
Mauricio López-Meneses, Marco Antonio Martínez Ríos, Jesús Vargas Barrón, Jesús Reyes Corona, Francisco Sánchez
Percutaneous mitral commissurotomy (PMC) has emerged as an effective nonsurgical technique for the treatment of patients with symptomatic mitral stenosis. This report highlights the immediate and long-term follow-up results of this procedure in an unselected cohort of patients with rheumatic mitral stenosis from a single center. PMC with Inoue balloon was performed in 70 patients in a 2-year period (1993-1994). Age of patients ranged from 18 to 67 years (mean 38 +/- 11). Atrial fibrillation was present in 18 (30%) patients...
January 2009: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/19438693/subepicardial-aneurysm-echocardiographic-evaluation-and-evolution
#16
Francisco-Javier Roldán, Jesús Vargas-Barrón, Marlon Aguirre-Espìnosa, Angel Romero-Cárdenas, Clara Vázquez-Antona, Julio Erdmenger-Orellana, José-Emilio Exaire, Marco-Antonio Martínez-Ríos
Subepicardial aneurysms (SEA) are an infrequent and serious form of subacute cardiac rupture complicating myocardial infarction. An early diagnosis and surgical repair may be life saving. SEA comprise an abrupt interruption of the myocardium, with a narrow neck and thin wall containing only the epicardium. It may progress to fatal cardiorrhexis. We describe the echocardiographic evolution of this type of cardiac rupture and the contribution of contrast-enhanced echocardiography. A possible pathophysiological mechanism is proposed...
May 2009: Echocardiography
https://www.readbyqxmd.com/read/19017318/dissecting-intramyocardial-hematoma-clinical-presentation-pathophysiology-outcomes-and-delineation-by-echocardiography
#17
Jesús Vargas-Barrón, Francisco-Javier Roldán, Angel Romero-Cárdenas, Marjorie Molina-Carrión, Clara-Andrea Vázquez-Antona, Miguel Zabalgoitia, Marco-Antonio Martínez Rios, Julio E Pérez
BACKGROUND: In large necropsy studies dissecting intramyocardial hematoma (DIH) with serpiginous tracts across the myocardial fibers has been reported in both the septum and the left ventricle free wall. METHODS: We studied 15 patients admitted to the hospital with acute myocardial infarction (AMI) in which DIH was demonstrated by either transthoracic and/or transesophageal and confirmed intraoperatively or by necropsy. RESULTS: In nine patients the hemorrhagic dissection was predominantly in the septum and in the remaining it was in the free wall of the left ventricle (LV)...
March 2009: Echocardiography
https://www.readbyqxmd.com/read/19000496/-cardiac-myxomas-and-the-carney-complex
#18
Jesus Vargas-Barrón, Gilberto Vargas-Alarcón, Francisco-Javier Roldán, Clara Vázquez-Antona, Zuilma Vásquez Ortiz, Julio Erdmenger-Orellana, Angel Romero-Cárdenas
The study involved 63 patients with an echocardiographic, surgical and histopathologic diagnosis of cardiac myxoma who were seen over a period of 20 years. Tumor recurrence or relapse was documented in five of these patients (7.9%), 3 of whom had a confirmed diagnosis of Carney complex, while one other patient had a probable diagnosis. Genetic studies demonstrated abnormalities in the PRKAR1A gene on chromosome 17 in 2 patients and their immediate family. In 11 of the 58 patients who did not experience relapse of the myxoma, genetic studies failed to show any abnormality...
November 2008: Revista Española de Cardiología
https://www.readbyqxmd.com/read/18938716/-postinfarction-intramyocardial-dissection
#19
Jesús Vargas Barrón
The evolution of 16 patients with acute myocardial infarction in whom the intramyocardial ventricular dissection has been demonstrated with echocardiography, in the operating room and/or during necropsy is described. Ten patients had inital septal hemorrhagic dissection and in 6 patients the dissection was of the free wall of the left ventricle. The myocardial infarction affected the inferior wall of the left ventricle in 2 cases and in 14 the anterior wall. ECG recordings demonstrated extension of the infarction to the right ventricle in 7 of the 16 patients and in 15 a persistent elevated ST segment in the leads associated with the infarction site...
October 2007: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/18938715/-echocardiography-in-valvular-heart-disease-new-perspectives
#20
Francisco-Javier Roldán, Jesús Vargas-Barrón, Angel Romero Cárdenas, Clara Vázquez Antona, Julio Erdmenger Orellana
Echocardiography occupies an excellent place in the field of valvular heart disease study. Its presence is being increased in the catheterism and surgery rooms as well as in the intensive cares units. The ultrasound machines development has improved its technology and echocardiographic diagnoses has a greater repercussion in clinical decisions every time. The greater challenge than appears to us is to be able to have prepared enough professionals that know the tool, the physiopathology, the therapeutics modalities, and who can apply and take advantage of the new technological developments for a better cardiological practice...
October 2007: Archivos de Cardiología de México
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