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Systemic arterial hypertension

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https://www.readbyqxmd.com/read/29241675/effect-of-telmisartan-on-preventing-learning-and-memory-deficits-via-peroxisome-proliferator-activated-receptor-%C3%AE-in-vascular-dementia-spontaneously-hypertensive-rats
#1
Yuan Gao, Wei Li, Yali Liu, Yan Wang, Jianchao Zhang, Miao Li, Mengsen Bu
BACKGROUND: This study aimed to explore the effect of telmisartan (TEL), as a partial peroxisome proliferator-activated receptor-γ (PPAR-γ) agonist, in vascular dementia (VaD) rats induced by middle cerebral artery occlusion (MCAO). METHODS: Spontaneously hypertensive rats were divided into 6 groups: the sham group, model group, TEL-treated groups (1, 5, and 10 mg/kg), and TEL + GW9662 (10 mg/kg + 1 mg/kg). Using the MCAO method established the VaD rat model...
December 11, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29240058/-venous-thromboembolic-complications-in-patients-with-cardiovascular-implantable-electronic-devices
#2
R E Kalinin, I A Suchkov, I I Shitov, N D Mzhavanadze, V O Povarov
The problem of venous thromboembolic complications (VTECs) in patients with cardiovascular implantable electronic devices (CIEDs) is extremely important today because of an annually increasing number of surgical interventions for life-threatening arrhythmias and chronic heart failure. There are hitherto no clearly defined reliable risk factors for VTECs due to heterogeneity of the available literature data. Some sources point to elevated thrombus formation in patients with a large number of electrodes, in repeat operative interventions, in the presence of a temporary pacemaker, in implantation on the left side, silicon cover of an electrode, others refute these facts...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29239466/rupture-of-the-myocardium-in-autopsied-mi-hearts
#3
Valesca Bizinoto Monteiro, Bianca Gonçalves Silva Torquato, Guilherme Ribeiro Juliano, Bárbara Cecílio da Fonseca, Flávia Aparecida de Oliveira, Daniel Ferreira da Cunha, Camila Lourencini Cavellani, Luciano Alves Matias da Silveira, Mara Lúcia da Fonseca Ferraz, Vicente de Paula Antunes Teixeira, Edson Luiz Fernandes
Although myocardial rupture occurs in only 2% to 4% of cases of acute myocardial infarction (AMI), there is a high mortality rate due to acute cardiogenic shock. We present the anatomopathological findings of three cases of myocardial rupture in autopsied hearts in the last 30 years, with a diagnosis of cardiac rupture in acute myocardial infarction. In these 30 years the percentage of AMI with myocardial rupture was 0.2%. Risk factors for post-AMI myocardial rupture include older age, atherosclerosis, diabetes mellitus and systemic arterial hypertension...
September 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29237073/frequencies-of-borderline-pulmonary-hypertension-before-and-after-the-detect-algorithm-results-from-a-prospective-systemic-sclerosis-cohort
#4
Anna-Maria Hoffmann-Vold, Håvard Fretheim, Øyvind Midtvedt, Karin Kilian, Marianne Angelshaug, Asad Chaudhary, Ragnar Gunnarsson, Cathrine Brunborg, Torhild Garen, Arne K Andreassen, Einar Gude, Øyvind Molberg
Objective: The DETECT algorithm was developed for screening patients with SSc at high risk of pulmonary arterial hypertension (PAH). We evaluated the impact of this algorithm in a SSc population. Methods: Patients from the unselected, prospective Oslo University Hospital SSc study were divided into the Early and DETECT cohorts, respectively, depending on whether an incident right heart catheterization (RHC) was performed before (2009-13) or after (2014-17) the DETECT algorithm was instituted...
December 11, 2017: Rheumatology
https://www.readbyqxmd.com/read/29234732/endovascular-aneurysm-repair-evar-of-an-infrarenal-abdominal-aortic-aneurysm-aaa-in-a-young-patient-with-systemic-lupus-erythematosus-sle
#5
Nick Z P Ng, Tze Tec Chong
Introduction: While hypertension, pericardial, myocardial, and coronary artery disease are common cardiovascular manifestations of systemic lupus erythematosus (SLE), aortic aneurysms (AA) are rare but increasingly diagnosed, with the true incidence unknown. Case report: A 40 year old female suffering from SLE with a 5.3 cm saccular eccentric infrarenal abdominal aortic aneurysm (AAA) was treated successfully with endovascular aneurysm repair (EVAR) using the Medtronic Endurant II bifurcated stent graft and followed up 2 years post-operatively...
2017: EJVES short reports
https://www.readbyqxmd.com/read/29233198/clinical-efficacy-and-safety-of-switch-from-bosentan-to-macitentan-in-children-and-young-adults-with-pulmonary-arterial-hypertension
#6
Ebru Aypar, Dursun Alehan, Tevfik Karagöz, Hayrettin Hakan Aykan, İlker Ertugrul
BACKGROUND: Macitentan is an orally active, potent, dual endothelin receptor antagonist and is the only registered treatment for pulmonary arterial hypertension that significantly reduced morbidity and mortality in a long-term event-driven study. Aim Few studies compared the clinical efficacy and safety of switch from bosentan to macitentan only in adult patients with pulmonary arterial hypertension. We aimed to evaluate the clinical efficacy and safety of switch from bosentan to macitentan in children and young adults...
December 13, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29229192/-late-onset-systemic-sclerosis-a-retrospective-study-of-27-patients-diagnosed-after-the-age-of-70
#7
A Achille, L Journeau, O Espitia, J Connault, A Espitia-Thibault, C Durant, F Perrin, M-A Pistorius, A Néel, M Hamidou, C Agard
BACKGROUND: The aim of this study was to describe special features of patients with systemic sclerosis (SSc) diagnosed after the age of 70. PATIENTS AND METHODS: This is a retrospective study of patients aged above 70 years at the time of diagnosis of SSc and followed at an internal medicine unit between 2000 and 2015. Co-morbidities and clinical characteristics were analyzed, as well as survival at 1, 2 and 3 years. RESULTS: Of 246 patients, 27 (11%) were included (89% women, 96% Caucasians, age 78...
December 8, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29227264/characteristics-of-changes-in-cognitive-functions-of-the-patients-with-hypertensive-disease
#8
L Gerasimenko, E Sid, V Lychko
Decline of the cognitive functions is one of the modern medicine actual problem. The influence of hypertension as modifiable risk factor in the evolution of cognitive impairment is emphasized in numerous investigations. Almost all the proposed in research literature data were obtained from the investigation of old patients group, who had high indexes of blood pressure and stroke histories. Therefore, we think that it is very impotent to detect the slight and moderate cognitive impairment of hypertensive patients of working age until the expressed clinical signs appear...
November 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29227046/prevalence-of-comorbidities-in-patients-with-obstructive-sleep-apnoea-syndrome-overlap-syndrome-obesity-hypoventilation-syndrome
#9
Donato Lacedonia, Giovanna Elisiana Carpagnano, Giulia Patricelli, Mauro Carone, Crescenzio Gallo, Incoronata Caccavo, Roberto Sabato, Annarita Depalo, Maria Aliani, Alberto Capozzolo, Maria Pia Foschino Barbaro
INTRODUCTION: Sleep-disordered breathing causes a burden to the sufferer, the healthcare system, and the society. Most studies have focused on Obstructive Sleep Apnea (OSA), however, the prevalence of comorbidities in patients affected by Overlap Syndrome (OS) and Obesity Hypoventilation Syndrome (OHS) has not been carefully evaluated. STUDY OBJECTIVES: The principal aim of this study was to identify the presence of comorbidities in patients suffering from OSA, OS, OHS and the differences in three groups of patients...
December 11, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29225000/-validity-of-the-abdominal-ecography-in-primary-care-for-detection-of-aorta-abdominal-aneurism-in-male-between-65-and-75-years
#10
Laura Bravo-Merino, Noelia González-Lozano, Ruth Maroto-Salmón, Gloria Meijide-Santos, Patricio Suárez-Gil, Ana Fañanás-Mastral
OBJECTIVE: To determine the usefulness of ultrasound examination in Primary Care (PC) for the detection of abdominal aortic aneurysm (AAA) in male patients from 65-75 years old, as well as the consistency between observers on the diagnosis between general practitioners and the reference specialty in this area, Vascular Surgery. To estimate the prevalence of AAA in that population and its association with risk factors. DESIGN: Cross-sectional descriptive study. LOCATION: Healthcare Centres of Coto and Calzada II (Gijón, Spain)...
December 7, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/29224120/spontaneous-cervical-artery-dissection-is-accompanied-by-a-hypercoagulable-state-and-simultaneous-inflammatory-condition
#11
Johann Otto Pelz, Kristian Harms, Michael Metze, Dominik Michalski
BACKGROUND: Spontaneous cervical artery dissections (sCAD) are often preceded by infections. However, existing data about inflammatory parameters remained inconsistent. Remarkably, concurrent information about the coagulation system, whose affection seems also reasonable to cause ischaemic events, are still lacking in sCAD patients. Thus, this study explores the association between the inflammatory and coagulation system in patients with sCAD. METHODS: The parameters leukocyte and thrombocyte count, C-reactive protein, fibrinogen, D-dimer, activated partial thromboplastin time (aPTT) and prothrombin time were extracted from hospital-based medical records of patients (n = 60) with sCAD and compared with those of a control group (n = 97) from a prospective observational stroke study...
December 9, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29223256/prostacyclin-therapy-for-pulmonary-arterial-hypertension-evolves-again-with-the-development-of-an-implantable-delivery-system
#12
EDITORIAL
Joel A Wirth, Harold I Palevsky
No abstract text is available yet for this article.
December 2017: Chest
https://www.readbyqxmd.com/read/29222288/cardiovascular-complications-in-patients-with-sickle-cell-disease
#13
REVIEW
Mark T Gladwin
Sickle cell disease (SCD) is an autosomal recessive disease in which homozygosity for a single point mutation in the gene encoding the β-globin chain produces hemoglobin S molecules that polymerize within the erythrocyte during deoxygenation; the result is sustained hemolytic anemia and vaso-occlusive events. As patients live to adulthood, the chronic impact of sustained hemolytic anemia and episodic vaso-occlusive episodes leads to progressive end-organ complications. This scenario culminates in the development of 1 or more major cardiovascular complications of SCD for which there are no approved or consensus therapies...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29221480/prevalence-and-etiologies-of-pulmonary-hypertension-in-africa-a-systematic-review-and-meta-analysis
#14
Jean Joel Bigna, Jean Jacques Noubiap, Jobert Richie Nansseu, Leopold Ndemnge Aminde
BACKGROUND: Despite the recent increasing worldwide attention towards pulmonary hypertension (PH), its epidemiology remains poorly described in Africa. Accordingly, we performed a systematic review and meta-analysis of PH prevalence, incidence and etiologies in Africa. METHODS: We searched PubMed, EMBASE, African Journals Online, and Africa Index Medicus. Published observational studies until September 20, 2017, including adult participants residing in Africa were considered...
December 8, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29217748/lower-arterial-cross-sectional-area-of-carotid-and-vertebral-arteries-and-higher-frequency-of-secondary-neck-vessels-are-associated-with-multiple-sclerosis
#15
P Belov, D Jakimovski, J Krawiecki, C Magnano, J Hagemeier, L Pelizzari, B Weinstock-Guttman, R Zivadinov
BACKGROUND AND PURPOSE: Arterial and neck vessel system characteristics of patients with multiple sclerosis have not been previously investigated. Therefore, the aim of this study was to examine the frequency of neck vessels and their cross-sectional areas (in square millimeters) between patients with MS and healthy controls. MATERIALS AND METHODS: In this study, 193 patients with MS and 193 age- and sex-matched healthy controls underwent 2D TOF venography at 3T...
December 7, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29217510/loss-of-vascular-myogenic-tone-in-mir-143-145-knockout-mice-is-associated-with-hypertension-induced-vascular-lesions-in-small-mesenteric-arteries
#16
Johan Holmberg, Anirban Bhattachariya, Azra Alajbegovic, Catarina Rippe, Mari Ekman, Diana Dahan, Tran Thi Hien, Thomas Boettger, Thomas Braun, Karl Swärd, Per Hellstrand, Sebastian Albinsson
OBJECTIVE: Pressure-induced myogenic tone is involved in autoregulation of local blood flow and confers protection against excessive pressure levels in small arteries and capillaries. Myogenic tone is dependent on smooth muscle microRNAs (miRNAs), but the identity of these miRNAs is unclear. Furthermore, the consequences of altered myogenic tone for hypertension-induced damage to small arteries are not well understood. APPROACH AND RESULTS: The importance of smooth muscle-enriched microRNAs, miR-143/145, for myogenic tone was evaluated in miR-143/145 knockout mice...
December 7, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29214548/first-clinical-symptom-as-a-prognostic-factor-in-systemic-sclerosis-results-of-a-retrospective-nationwide-cohort-study
#17
Manuel Rubio-Rivas, Xavier Corbella, Melany Pestaña-Fernández, Carles Tolosa-Vilella, Alfredo Guillen-Del Castillo, Dolores Colunga-Argüelles, Luis Trapiella-Martínez, Nerea Iniesta-Arandia, María Jesús Castillo-Palma, Luis Sáez-Comet, María Victoria Egurbide-Arberas, Norberto Ortego-Centeno, Mayka Freire, Jose Antonio Vargas-Hitos, Juan José Ríos-Blanco, Jose Antonio Todolí-Parra, Mónica Rodríguez-Carballeira, Adela Marín-Ballvé, Pablo Segovia-Alonso, Xavier Pla-Salas, Ana Belén Madroñero-Vuelta, Manuel Ruiz-Muñoz, Vicent Fonollosa-Pla, Carmen Pilar Simeón-Aznar, E Callejas Moraga, E Calvo, C Carbonell, M J Castillo, A J Chamorro, D Colunga, X Corbella, M V Egurbide, G Espinosa, V Fonollosa, M Freire, F J García Hernández, R González León, A Guillén Del Castillo, N Iniesta, R Lorenzo, A B Madroñero, B Marí, A Marín, N Ortego-Centeno, M Pérez Conesa, M Pestaña, X Pla, J J Ríos Blanco, M Rodríguez Carballeira, M Rubio Rivas, M Ruiz Muñoz, L Sáez Comet, P Segovia, C P Simeón, A Soto, E Tarí, J A Todolí, C Tolosa, L Trapiella, J A Vargas Hitos, G Verdejo
The objective of the study is to determine the importance of the mode of onset as prognostic factor in systemic sclerosis (SSc). Data were collected from the Spanish Scleroderma Registry (RESCLE), a nationwide retrospective multicenter database created in 2006. As first symptom, we included Raynaud's phenomenon (RP), cutaneous sclerosis, arthralgia/arthritis, puffy hands, interstitial lung disease (ILD), pulmonary arterial hypertension (PAH), and digestive hypomotility. A total of 1625 patients were recruited...
December 7, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29212831/impaired-pulmonary-arterial-vasoconstriction-and-nitric-oxide-mediated-relaxation-underlie-severe-pulmonary-hypertension-in-sugen-hypoxia-rat-model
#18
Helen Christou, Hannes Hudalla, Zoe Michael, Evgenia Filatava, Jun Li, Minglin Zhu, Jose Possomato-Vieira, Carlos Dias-Junior, Stella Kourembanas, Raouf A Khalil
Pulmonary vasoreactivity could determine the responsiveness to vasodilators and in turn the prognosis of pulmonary hypertension (PH). We hypothesized that pulmonary vasoreactivity is impaired, and examined the underlying mechanisms, in the sugen-hypoxia rat model of severe PH. Male Sprague-Dawley rats were injected with sugen (20 mg/kg sc) and exposed to hypoxia (9% O2) for 3 weeks followed by 4 weeks in normoxia (Su/Hx), or treated with sugen alone (Su) or hypoxia alone (Hx) or neither (Nx). After hemodynamic measurements, the heart was assessed for right ventricular hypertrophy (Fulton's Index), the pulmonary artery, aorta and mesenteric arteries were isolated for vascular function studies, and contractile markers were measured in pulmonary artery using quantitative PCR...
December 6, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29212810/heme-oxygenase-1-is-a-potent-inhibitor-of-placental-ischemia-mediated-endothelin-1-production-in-cultured-human-glomerular-endothelial-cells
#19
Bhavisha A Bakrania, Frank T Spradley, Simon C Satchell, David E Stec, John M Rimoldi, Rama S V Gadepalli, Joey P Granger
Preeclampsia is a pregnancy-specific disorder of maternal hypertension and reduced renal hemodynamics linked to reduced endothelial function. Placental ischemia is thought to be the culprit of this disease, as it causes the release of factors like tumor necrosis factor (TNF)-α that induce vascular endothelin-1 (ET-1) production. Interestingly, placental ischemia-induced hypertension in rats (reduced uterine perfusion pressure, RUPP model) is abolished by ETA receptor blockade, suggesting a critical role for ET-1...
December 6, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29212405/a-description-of-a-new-continuous-physiologic-index-in-tbi-using-the-correlation-between-pulse-amplitude-of-icp-and-cerebral-perfusion-pressure
#20
Frederick Adam Zeiler, Joseph Donnelly, David Menon, Peter Smieleweski, Peter John Hutchinson, Marek Czosnyka
To describe a new continuous index of physiologic measurement in a TBI population, the moving correlation coefficient between intracranial pressure (ICP) pulse amplitude (AMP) and cerebral perfusion pressure (CPP), which we refer to as RAC. We use patient examples of sustained intracranial hypertension, systemic arterial hypotension and plateau waves, as well as the retrospective analysis of 358 non-decompressive craniectomy (DC) traumatic brain injury (TBI) patients with high frequency ICP and ABP data, to explore the relationships of this new index, RAC, with AMP, ICP, CPP, RAP, pressure reactivity index (PRx) and pulse amplitude index (PAx)...
December 6, 2017: Journal of Neurotrauma
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