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https://www.readbyqxmd.com/read/26877509/co-16-influence-of-serum-potassium-and-renal-function-on-the-sudden-cardiac-death-in-older-hypertensive-subjects
#1
J Fauvel, F Gueyffier, M Ducher
OBJECTIFS: Une relation en U entre la kaliémie et la mortalité chez les insuffisants rénaux a été décrite. Chez les hypertendus, cette relation n'est pas connue. L'objectif de cette analyse est d'évaluer l'influence conjointe de la kaliémie et de la fonction rénale sur la mort subite d'origine cardiaque (MSC) chez les sujets hypertendus âgés. MéTHODES: À partir de la base de données INDANA (qui regroupe les données de sept essais cliniques d'intervention randomisés dans l'HTA)...
December 2015: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/26877279/co-27-study-of-cardiovascular-morbidity-in-nurses-exposed-to-cytostatic-drugs-analysis-approach-multi-varied
#2
N Bouaziz Tigha, D Tourab, A Ne Zzal
OBJECTIFS: Étudier la relation entre la morbidité cardiovasculaire et l'exposition aux cytostatiques. MéTHODES: Une étude descriptive analytique a été menée auprès de 74 infirmiers exposés aux cytostatiques dans les services d'oncologie et 226 non exposés. Un questionnaire médical sur les antécédents, les facteurs de risque et les pathologies (HTA, IDM, angor, thrombose, etc.) a été appliqué. L'exposition aux cytostatiques a été estimée par la durée d'exposition et l'indice de contact cytostatique (ICC)...
December 2015: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/26877270/co-18-emergencies-and-hypertensive-crisis-in-an-emergency-department-evaluation-and-mortality-in-3-months
#3
H Guiga, G Sarlon Bartoli, F Silhol, W Radix, B Vaïsse
OBJECTIFS: Étudier la prévalence et la gravité des urgences et des poussées hypertensives dans un Service d'Urgence Hospitalière de CHU, et effectuer un suivi à 3 mois des patients hospitalisés. MéTHODES: Cette étude prospective a été réalisée dans le Service des Urgences entre le 1(er)(a)vril et le 31 juin 2015 : tous les patients avec une PA > 180 et/ou 110mmHg ont été comptabilisés et classés en urgences vraies (présence d'une souffrance viscérale) et en poussées hypertensives isolées...
December 2015: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/24248213/cobalamin-deficiency-clinical-picture-and-radiological-findings
#4
REVIEW
Chiara Briani, Chiara Dalla Torre, Valentina Citton, Renzo Manara, Sara Pompanin, Gianni Binotto, Fausto Adami
Vitamin B12 deficiency causes a wide range of hematological, gastrointestinal, psychiatric and neurological disorders. Hematological presentation of cobalamin deficiency ranges from the incidental increase of mean corpuscular volume and neutrophil hypersegmentation to symptoms due to severe anemia, such as angor, dyspnea on exertion, fatigue or symptoms related to congestive heart failure, such as ankle edema, orthopnea and nocturia. Neuropsychiatric symptoms may precede hematologic signs and are represented by myelopathy, neuropathy, dementia and, less often, optic nerve atrophy...
November 2013: Nutrients
https://www.readbyqxmd.com/read/23862112/evaluation-of-anticancer-activity-of-fruit-and-leave-extracts-from-virus-infected-and-healthy-cultivars-of-vitis-vinifera
#5
Zahra Esfahanian, Mandana Behbahani, Mehrnaz Shanehsaz, Mohammad Javad Hessami, Mohammad Ali Nejatian
OBJECTIVE: Grape virus diseases are a serious problem in Iran. Leaves and fruits of grape have been used for different purposes like cooking in Iran. The present investigation was carried out to study on the cytotoxic-activities of extracts of fruits and leaves of Vitis vinifera from both virus-free and virus-infected grape cultivars against breast cancer cell line (MDAMB- 231) and human embryonic kidney normal cell line (HEK 293). MATERIALS AND METHODS: IN THIS EXPERIMENTAL STUDY, THE CONSIDERED GRAPE CULTIVARS WERE AS FOLLOWS: Rish Baba Sefid, Shahani Ghasre Shirin, Rotabi Zarghan, Asgari Najaf Abad, Fars, Kaj Angor Bojnord, Sarkesh Shiraz and Siahe Zarqan...
2013: Cell Journal
https://www.readbyqxmd.com/read/23660750/added-prognostic-value-of-myocardial-blood-flow-quantitation-in-rubidium-82-positron-emission-tomography-imaging
#6
COMPARATIVE STUDY
Hoshang Farhad, Vincent Dunet, Kim Bachelard, Gilles Allenbach, Philipp A Kaufmann, John O Prior
AIMS: We studied the respective added value of the quantitative myocardial blood flow (MBF) and the myocardial flow reserve (MFR) as assessed with (82)Rb positron emission tomography (PET)/CT in predicting major adverse cardiovascular events (MACEs) in patients with suspected myocardial ischaemia. METHODS AND RESULTS: Myocardial perfusion images were analysed semi-quantitatively (SDS, summed difference score) and quantitatively (MBF, MFR) in 351 patients. Follow-up was completed in 335 patients and annualized MACE (cardiac death, myocardial infarction, revascularization, or hospitalization for congestive heart failure or de novo stable angor) rates were analysed with the Kaplan-Meier method in 318 patients after excluding 17 patients with early revascularizations (<60 days)...
December 2013: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/23414047/equilibrating-temperaturelike-variables-in-jammed-granular-subsystems
#7
James G Puckett, Karen E Daniels
Although jammed granular systems are athermal, several thermodynamiclike descriptions have been proposed which make quantitative predictions about the distribution of volume and stress within a system and provide a corresponding temperaturelike variable. We perform experiments with an apparatus designed to generate a large number of independent, jammed, two-dimensional configurations. Each configuration consists of a single layer of photoelastic disks supported by a gentle layer of air. New configurations are generated by cyclically dilating, mixing, and then recompacting the system through a series of boundary displacements...
February 1, 2013: Physical Review Letters
https://www.readbyqxmd.com/read/23368267/interdependence-of-the-volume-and-stress-ensembles-and-equipartition-in-statistical-mechanics-of-granular-systems
#8
Raphael Blumenfeld, Joe F Jordan, Sam F Edwards
We discuss the statistical mechanics of granular matter and derive several significant results. First, we show that, contrary to common belief, the volume and stress ensembles are interdependent, necessitating the use of both. We use the combined ensemble to calculate explicitly expectation values of structural and stress-related quantities for two-dimensional systems. We thence demonstrate that structural properties may depend on the angoricity tensor and that stress-based quantities may depend on the compactivity...
December 7, 2012: Physical Review Letters
https://www.readbyqxmd.com/read/23005409/edwards-thermodynamics-of-the-jamming-transition-for-frictionless-packings-ergodicity-test-and-role-of-angoricity-and-compactivity
#9
Kun Wang, Chaoming Song, Ping Wang, Hernán A Makse
This paper illustrates how the tools of equilibrium statistical mechanics can help to describe a far-from-equilibrium problem: the jamming transition in frictionless granular materials. Edwards ideas consist of proposing a statistical ensemble of volume and stress fluctuations through the thermodynamic notion of entropy, compactivity, X, and angoricity, A (two temperature-like variables). We find that Edwards thermodynamics is able to describe the jamming transition (J point) in frictionless packings. Using the ensemble formalism we elucidate the following: (i) We test the combined volume-stress ensemble by comparing the statistical properties of jammed configurations obtained by dynamics with those averaged over the ensemble of minima in the potential energy landscape as a test of ergodicity...
July 2012: Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
https://www.readbyqxmd.com/read/22614104/intervention-in-gastrointestinal-stromal-tumour-with-a-high-risk-of-malignancy-and-associated-with-thalassaemia-minor
#10
Carles Pericay Pijaume, Eugeni Saigi Grau
This study reports on a 65-year-old female patient with controlled comorbidity, who was diagnosed with gastrointestinal stromal tumours following regular monitoring of renal cysts. After the surgical treatment, coadjuvant treatment with imatinib was initiated. After a few months, the patient complained of angor and asthenia and the diagnosis of anaemic syndrome was made on the basis of blood test results. We studied the causes of the anaemia (maturation factors and other causes of secondary anaemia) and it led to the diagnosis of vitamin B12 deficiency...
June 2012: Anti-cancer Drugs
https://www.readbyqxmd.com/read/21429535/-residual-lipid-profile-in-recurrent-ischemic-cardiopathy
#11
Jesús Millán, Juan Pedro-Botet, Anna Muñoz, Emili Corbella, Alipio Mangas, Manuel Zúñiga, Antonio Hernández-Mijares, Xavier Pintó
BACKGROUND AND OBJECTIVES: In this paper we analyze the lipid profile of a cohort of patients attended in different tertiary hospitals with acute coronary syndrome (angor pectoris or acute myocardial infarction). PATIENTS AND METHODS: We have analysed different variables of patients with acute coronary syndrome, related with the prevalence and grade of main cardiovascular risk factors, and related with different treatments. We have analysed the lipid profile, and stratified the results according with the status of the first acute coronary event or recurrent coronary event...
March 17, 2012: Medicina Clínica
https://www.readbyqxmd.com/read/19953488/-the-coagulation-factor-vii-gene-polymorphisms-in-patients-with-myocardial-infarction-in-ningxia-hui-and-han-populations
#12
Hui Huang, Shaobin Jia, Shulan Chen, Yong Sha, Aiqun Ma, Xueping Ma, Jinli Zhang, Xiangrong Bai, Lin He
OBJECTIVE: To investigate the characteristics for activated coagulation factor VII(F VIIa) and the R353Q, -323 0/10 bp, HVR4 polymorphisms in the gene in patients with coronary heart disease (CHD) and myocardial infarction from Ningxia Hui and Han populations. METHODS: Four hundred and twenty angiographically proven CHD patients in the Hui population, and 508 healthy blood donors were tested for their plasma levels of coagulation factor VII using recombinant tissue factor method...
December 2009: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/19933128/rheology-of-granular-materials-dynamics-in-a-stress-landscape
#13
Dapeng Bi, Bulbul Chakraborty
We present a framework for analysing the rheology of dense driven granular materials, based on a recent proposal of a stress-based ensemble. In this ensemble, fluctuations in a granular system near jamming are controlled by a temperature-like parameter, the angoricity, which is conjugate to the stress of the system. In this paper, we develop a model for slowly driven granular materials based on the stress ensemble and the idea of a landscape in stress space. The idea of an activated process driven by the angoricity has been shown by Behringer et al...
December 28, 2009: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/19239208/on-granular-stress-statistics-compactivity-angoricity-and-some-open-issues
#14
Raphael Blumenfeld, Sam F Edwards
We discuss the microstates of compressed granular matter in terms of two independent ensembles: one of volumes and another of boundary force moments. The former has been described in the literature and gives rise to the concept of compactivity: a scalar quantity that is the analogue of temperature in thermal systems. The latter ensemble gives rise to another analogue of the temperature: an angoricity tensor. We discuss averages under either of the ensembles and their relevance to experimental measurements. We also chart the transition from the microcanoncial to a canonical description for granular materials and show that one consequence of the traditional treatment is that the well-known exponential distribution of forces in granular systems subject to external forces is an immediate consequence of the canonical distribution, just as in the microcanonical description E = H leads to exp (-H/kT)...
March 26, 2009: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/18987920/exercise-testing-in-individuals-with-morbid-obesity
#15
COMPARATIVE STUDY
Luis D Fornitano, Moacir F Godoy
BACKGROUND: Obesity is an independent risk factor for cardiovascular disease, especially in its morbid form. Bariatric surgery is an effective therapeutic option for sustained weight loss. However, there is no consensus in these cases regarding the performance of functional tests for preoperative evaluations. The aim of the present study was to analyze clinical, electrocardiographic, and hemodynamic response variables using a conventional exercise test on individuals with morbid obesity in comparison to overweight individuals...
May 2010: Obesity Surgery
https://www.readbyqxmd.com/read/18937923/-takotsubo-cardiomyopathy-or-transient-left-ventricular-apical-ballooning-syndrome
#16
F Leyer, O Nallet, S Cattan
Takotsubo is a reversible cardiomyopathy, often triggered by a stressful event. It combines clinical features mimicking a myocardial infarction, transient apical ballooning of the left ventricle, normal coronary arteries and a small rise in troponin level. There is a striking female predominance with mean age ranging from 65 to 76 years among series. Preceding stressful event is documented in 50 to 100% of patients. The most common clinical presentation is an angor-like chest pain with ST-segment elevation on the electrocardiogram (70%)...
November 2008: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/18677930/-anatomo-clinical-considerations-regarding-the-celiac-mesenteric-junction
#17
COMPARATIVE STUDY
D Păduraru, M Zamfir, C I Stan, S Luncă, L Stoica, O I Motaş, Anca Indrei
AIM: This work points out the access ways - both the classical ones and the ones less known and used - to the origin and the first centimeters of the superior mesenteric artery (SMA), underlining the advantages and disadvantages of each of them. MATERIAL AND METHOD: Our work is based on dissection of 30 human bodies and 200 selective arteriographies. RESULTS: There are two classical ways to access the first part of SMA: inter-duodeno-pancreatic and the left thoraco-abdominal ways...
January 2008: Revista Medico-chirurgicală̆ a Societă̆ţ̜ii de Medici ş̧i Naturaliş̧ti Din Iaş̧i
https://www.readbyqxmd.com/read/18050935/-coronary-artery-disease-in-mexican-women
#18
COMPARATIVE STUDY
Sergio Solorio, Martha Alicia Hernández-González, Alberto Rangel Abundis, Blanca Murillo-Ortiz
OBJECTIVE: To identify differences between both genders regarding coronary artery disease occurrence. PATIENTS AND METHODS: In referred patients for cardiac catheterization we investigated coronary risk factors, clinical diagnosis, associated diseases, left ventricle ejection fraction, and coronary lesions. Data were analyzed by X2 test, Student t test, odds ratio and confidence intervals, a p value < 0.05 was considered significant. RESULTS: We studied 586 patients, 409 were men...
July 2007: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/17386233/-utility-of-myocardial-perfusion-scintigraphy-in-the-emergency-department-for-evaluation-of-patients-with-chest-pain
#19
J M Jiménez-Hoyuela García, J Robledo Carmona, M D Martínez Del Valle Torres, S Ortega Lozano, A Delgado García, J J Gómez Doblas
OBJECTIVE: To evaluate diagnostic efficacy of rest myocardial perfusion scintigraphy in the detection of acute coronary syndrome in patients with chest pain and non diagnostic electrocardiogram, comparing it with reference techniques, in Emergency Department. MATERIAL AND METHODS: Myocardial perfusion scintigraphy was carried out in 40 patients with those defined characteristics in the Emergency Department, administering the radiopharmaceutical in the next 6 hours after the pain was over...
March 2007: Revista Española de Medicina Nuclear
https://www.readbyqxmd.com/read/17067221/-left-atrial-myxoma-presenting-as-angor-pectoris
#20
P J Marchena Yglesias, L P de Benito Cordón, M J Hervás Laguna, M Ruiz Climente, J F Dimas Núñez
A 73 years old woman without cardiovascular risk factors presented physical exercise angina and dyspnea since 8 months ago. The caused of the disease was a left atrial myxoma which entering in left ventricle. The patient was free of coronary injured.
June 2006: Anales de Medicina Interna: Organo Oficial de la Sociedad Española de Medicina Interna
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