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Systemic arterial hypertension

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https://www.readbyqxmd.com/read/27917928/renal-denervation-improves-the-baroreflex-and-gaba-system-in-chronic-kidney-disease-induced-hypertension
#1
Hsin-Hung Chen, Pei-Wen Cheng, Wen-Yu Ho, Pei-Jung Lu, Chi-Cheng Lai, Yang-Ming Tseng, Hua-Chang Fang, Gwo-Ching Sun, Michael Hsiao, Chun-Peng Liu, Ching-Jiunn Tseng
Hypertensive rats with chronic kidney disease (CKD) exhibit enhanced gamma-aminobutyric acid (GABA)B receptor function and regulation within the nucleus tractus solitarii (NTS). For CKD with hypertension, renal denervation (RD) interrupts the afferent renal sympathetic nerves, which are connecting to the NTS. The objective of the present study was to investigate how RD improves CKD-induced hypertension. Rats underwent 5/6 nephrectomy for 8 weeks, which induced CKD and hypertension. RD was induced by applying phenol to surround the renal artery in CKD...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27916795/first-and-second-line-targeted-systemic-therapy-in-hepatocellular-carcinoma-an-update-on-patient-selection-and-response-evaluation
#2
REVIEW
Johann von Felden, Kornelius Schulze, Ines Gil-Ibanez, Tobias Werner, Henning Wege
Advanced hepatocellular carcinoma (HCC) with vascular invasion and/or extrahepatic spread and preserved liver function, according to stage C of the Barcelona Clinic Liver Cancer (BCLC) classification, has a dismal prognosis. The multi-targeted tyrosine-kinase receptor inhibitor (TKI) sorafenib is the only proven active substance in systemic HCC therapy for first-line treatment. In this review, we summarize current aspects in patient selection and management of side effects, and provide an update on response evaluation during first-line sorafenib therapy...
November 28, 2016: Diagnostics
https://www.readbyqxmd.com/read/27916218/fenofibrate-attenuates-malignant-hypertension-by-suppression-of-the-renin-angiotensin-system-a-study-in-cyp1a1-ren-2-transgenic-rats
#3
Šárka Jíchová, Šárka Doleželová, Libor Kopkan, Elzbieta Kompanowska-Jezierska, Janusz Sadowski, Luděk Červenka
BACKGROUND: Malignant hypertension is a life-threatening condition, and its pathophysiology is still poorly understood. The present study was designed to evaluate the role of interaction of the renin-angiotensin system with 20-hydroxyeicosatetraenoic acid (20-HETE), a product of cytochrome P450 (CYP)-dependent ω-hydroxylase pathway, in the pathophysiology of angiotensin II (ANG II)-dependent malignant hypertension in Cyp1a1-Ren-2 transgenic rats. METHODS: Malignant hypertension was induced by 12 days׳ dietary administration of 0...
December 2016: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/27914592/hyperuricemia-in-systemic-lupus-erythematosus-is-it-associated-with-the-neuropsychiatric-manifestations-of-the-disease
#4
Mahdi Sheikh, Shafieh Movassaghi, Mohammad Khaledi, Maryam Moghaddassi
OBJECTIVES: To assess the association between hyperuricemia and different neuropsychiatric manifestations and stroke risk factors in systematic lupus erythematosus (SLE) patients. METHODS: This study was conducted on 204 SLE patients who were admitted to a tertiary referral center. A standardized questionnaire was completed for all the participants and the medical records were reviewed regarding the occurrence of arterial or venous thrombotic events, stroke, seizure, depression, headache, psychosis, and peripheral neuropathy...
November 2016: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/27914359/obstructive-sleep-apnea-and-arrhythmia-a-systemic-review
#5
EDITORIAL
Nirav Patel, Caroline Donahue, Abhishek Shenoy, Arpan Patel, Nabil El-Sherif
There is a growing consensus in the scientific community that suggests a strong association between obstructive sleep apnea (OSA) and cardiovascular (CVD) conditions and events, including coronary artery disease, hypertension, arrhythmia, heart failure, and sudden cardiac death. We reviewed evidence on the relationship between OSA and arrhythmia. Our conclusion, based on our review of the literature, is that the evidence supports a strong link between OSA and cardiovascular mortality, which warrants treating OSA...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27908301/utility-of-b-type-natriuretic-peptides-in-the-assessment-of-patients-with-systemic-sclerosis-associated-pulmonary-hypertension-in-the-pharos-registry
#6
Lorinda Chung, Robert M Fairchild, Daniel E Furst, Shufeng Li, Firas Alkassab, Marcy B Bolster, Mary Ellen Csuka, Chris T Derk, Robyn T Domsic, Aryeh Fischer, Tracy Frech, Mardi Gomberg-Maitland, Jessica K Gordon, Monique Hinchcliff, Vivien Hsu, Laura K Hummers, Dinesh Khanna, Thomas A Jr Medsger, Jerry A Molitor, Ivana R Preston, Elena Schiopu, Lee Shapiro, Faye Hant, Richard Silver, Robert Simms, John Varga, Virginia D Steen, Roham T Zamanian
OBJECTIVES: To assess the utility of B-type natriuretic peptide (BNP) and N-terminal pro-BNP (NT-proBNP) in detecting and monitoring pulmonary hypertension (PH) in systemic sclerosis (SSc). METHODS: PHAROS is a multicenter prospective cohort of SSc patients at high risk for developing pulmonary arterial hypertension (SSc-AR-PAH) or with a definitive diagnosis of SSc-PH. We evaluated 1) the sensitivity and specificity of BNP≥64 and NT-proBNP≥210 pg/mL for the detection of SSc-PAH and/ or SSc-PH in the SSc-AR-PAH population; 2) baseline and longitudinal BNP and NT-proBNP levels as predictors of progression to SSc-PAH and/or SSc-PH; 3) baseline BNP≥180, NT-proBNP≥553 pg/mL, and longitudinal changes in BNP and NT-proBNP as predictors of mortality in SSc-PH diagnosed patients...
November 10, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27906840/renal-artery-denervation-for-treatment-of-patients-with-self-reported-obstructive-sleep-apnea-and-resistant-hypertension-results-from-the-global-symplicity-registry
#7
Dominik Linz, Giuseppe Mancia, Felix Mahfoud, Krzysztof Narkiewicz, Luis Ruilope, Markus Schlaich, Ingrid Kindermann, Roland E Schmieder, Sebastian Ewen, Bryan Williams, Michael Böhm
BACKGROUND: Sleep-disordered breathing, predominantly obstructive sleep apnea (OSA), is highly prevalent in patients with hypertension. OSA may underlie the progression to resistant hypertension, partly due to increased activation of the sympathetic nervous system. This analysis of patients with and without OSA evaluated the blood pressure (BP)-lowering effect of sympathetic modulation by renal denervation (RDN) in a real-world setting. METHODS: The Global SYMPLICITY Registry (NCT01534299) is a prospective, open-label, multicenter registry conducted worldwide to evaluate the safety and effectiveness of RDN in patients with uncontrolled hypertension...
January 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/27906755/optimal-blood-pressure-target-in-stroke-prevention
#8
Alexandra Yannoutsos, Céline Dreyfuss Tubiana, Michel E Safar, Jacques Blacher
PURPOSE OF REVIEW: A generalized single blood pressure (BP) goal may appear not suitable to achieve an optimal stroke prevention at the individual level. The aim of the present review is to consider the clinical relevance of individualized BP goal according to patient's age, comorbidities and established cerebrovascular disease. RECENT FINDINGS: Observational and interventional data support heterogeneity in target organ prevention in that lower BP values than recommended by hypertension guidelines are associated with further stroke risk reduction...
November 30, 2016: Current Opinion in Neurology
https://www.readbyqxmd.com/read/27905648/-a-new-fetal-death-classification-system
#9
Alfredo Ovalle, Ariel Fuentes, Valentina Chacón, Carolina Espinoza, Rodrigo González, Manuel Ramos, Jorge Geraldo, Letsy Osses, Elena Kakarieka
BACKGROUND: Stillbirth is the mayor contributor to perinatal mortality. AIM: To report a system for classification of fetal deaths. MATERIAL AND METHODS: Retrospective cohort study of 29,916 births with 258 fetal deaths that occurred in a public hospital. Data were obtained from audit reports of stillbirths. The method for classification “obstetric condition relevant to the death” was applied, based on obstetric and placental pathological findings analyzed exclusively by a single obstetrician and a single pathologist...
August 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/27901241/cardiovascular-risk-factors-associated-with-frailty-syndrome-among-hospitalized-elderly-people-a-cross-sectional-study
#10
Darlene Mara Dos Santos Tavares, Camila Gigante Colamego, Maycon Sousa Pegorari, Pollyana Cristina Dos Santos Ferreira, Flávia Aparecida Dias, Alisson Fernandes Bolina
CONTEXT AND OBJECTIVE: Identification of frailty syndrome and its relationship with cardiovascular risk factors among hospitalized elderly people is important, since this may contribute towards broadening of knowledge regarding this association within tertiary-level services. This study aimed to evaluate the cardiovascular risk factors associated with frailty syndrome among hospitalized elderly people. DESIGN AND SETTING: Observational cross-sectional study in a public teaching hospital...
September 2016: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/27900498/central-hemodynamics-and-arterial-stiffness-in-idiopathic-and-multiple-system-atrophy
#11
Klaas Franzen, Sabine Fliegen, Jelena Koester, Rafael Campos Martin, Günther Deuschl, Michael Reppel, Kai Mortensen, Susanne A Schneider
Blood pressure is commonly abnormal in parkinsonian disorders, but central hemodynamics and arterial stiffness, well-established predictors of total cardiovascular risk, have rarely been studied in these disorders. 32 patients [27 with idiopathic Parkinson's disease (iPD); 5 with multiple system atrophy (MSA)] and 15 controls matched for cardiac risk factors underwent 24 h-ambulatory blood pressure recordings using an I.E.M. device (Mobil-O-Graph™), measuring peripheral pressure and calculating central pressures and arterial stiffness...
November 29, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27899895/developmental-origins-of-cardiometabolic-diseases-role-of-the-maternal-diet
#12
REVIEW
João H Costa-Silva, Aiany C Simões-Alves, Mariana P Fernandes
Developmental origins of cardiometabolic diseases have been related to maternal nutritional conditions. In this context, the rising incidence of arterial hypertension, diabetes type II, and dyslipidemia has been attributed to genetic programming. Besides, environmental conditions during perinatal development such as maternal undernutrition or overnutrition can program changes in the integration among physiological systems leading to cardiometabolic diseases. This phenomenon can be understood in the context of the phenotypic plasticity and refers to the adjustment of a phenotype in response to environmental input without genetic change, following a novel, or unusual input during development...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27899043/use-of-biologics-and-other-novel-therapies-for-the-treatment-of-systemic-sclerosis
#13
Cosimo Bruni, Emanuela Praino, Yannick Allanore, Oliver Distler, Armando Gabrielli, Florenzo Iannone, Marco Matucci-Cerinic
Systemic sclerosis (SSc) is a systemic autoimmune disease characterized by vasculopathy, inflammation and fibrosis. These three main disease-determining pathways are the target of the currently available treatments used to possibly modify the progression of disease-related manifestations, although this synergy has not been fully applied on SSc joint, skin or lung involvement yet. Areas covered: we describe the current status of SSc treatment/therapy performing a literature search in MEDLINE/Pubmed and Thomson Reuter's Web of Science for articles published until March 2016...
November 30, 2016: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/27889641/increased-mitochondrial-superoxide-in-the-brain-but-not-periphery-sensitizes-mice-to-angiotensin-ii-mediated-hypertension
#14
Adam J Case, Jun Tian, Matthew C Zimmerman
Angiotensin II (AngII) elicits the production of superoxide (O2(•-)) from mitochondria in numerous cell types within peripheral organs and in the brain suggesting a role for mitochondrial-produced O2(•-) in the pathogenesis of hypertension. However, it remains unclear if mitochondrial O2(•-) is causal in the development of AngII-induced hypertension, or if mitochondrial O2(•-) in the absence of elevated AngII is sufficient to increase blood pressure. Further, the tissue specific (i.e. central versus peripheral) redox regulation of AngII hypertension remains elusive...
November 20, 2016: Redox Biology
https://www.readbyqxmd.com/read/27889505/candesartan-ameliorates-arsenic-induced-hypertensive-vascular-remodeling-by-regularizing-angiotensin-ii-and-tgf-beta-signaling-in-rats
#15
Maibam Wanta Khuman, Sankaran Kutty Harikumar, Abdul Sadam, Manickam Kesavan, Vattaparambil Sukumaran Susanth, Subhashree Parida, Karam Pal Singh, Souvendra Nath Sarkar
Arsenic exposure can cause several cardiovascular diseases, including hypertension, atherosclerosis and microvascular disease. Earlier, we reported that arsenic-mediated enhancement of angiotensin II (AngII) signaling can impair vascular physiology. Here, we investigated whether the AT1 receptor (AT1R) blocker candesartan can ameliorate the arsenic-induced hypertensive vascular remodeling in rats and whether the amelioration could relate to attenuation in vascular AngII and TGF-β signaling. Rats were exposed to sodium arsenite (50ppm) through drinking water for 90 consecutive days...
November 23, 2016: Toxicology
https://www.readbyqxmd.com/read/27888395/utility-of-fvc-dlco-ratio-to-stratify-the-risk-of-mortality-in-unselected-subjects-with-pulmonary-hypertension
#16
Lacedonia Donato, Carpagnano Giovanna Elisiana, Galgano Giuseppe, Schino Pietro, Correale Michele, Natale Daniele Brunetti, Ventura Valentina, Di Biase Matteo, Foschino Barbaro Maria Pia
In patients with systemic sclerosis, a ratio between forced vital capacity (FVC) and diffusing capacity of carbon monoxide (DLCO, FCV%/DLCO%) >1.5 might be a predictor of pulmonary hypertension (PH). The aim of this study is, therefore, to evaluate whether this index can be used in patients with PH, regardless of etiology. 83 consecutive outpatients with suspected PH at non-invasive work-up underwent spirometry and DLCO test before right heart catheterization (RHC); FVC%/DLCO% ratio was then calculated and compared with mean pulmonary-artery-pressure (mPAP) and mortality at 5-year follow-up...
November 25, 2016: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/27888262/search-for-an-animal-model-to-investigate-selective-pulmonary-vasodilation
#17
Bodil Petersen, Thilo Busch, Katharina Noreikat, Lorenz Homeister, Ralf Regenthal, Udo X Kaisers
Pulmonary arterial hypertension is a life-threatening disease with a poor prognosis. Oral treatment with vasodilators is often limited by systemic hypotension. Inhalation of vasodilators offers the opportunity for selective pulmonary vasodilation. Testing selective pulmonary vasodilation by inhaled nitric oxide or alternative substances in animal models requires an increased pulmonary vascular tone. The aim of this study was to identify animal models that are suitable for investigating selective pulmonary vasodilation...
November 25, 2016: Laboratory Animals
https://www.readbyqxmd.com/read/27888135/antihypertensive-effects-of-androgens-in-conscious-spontaneously-hypertensive-rats
#18
Mercedes Perusquía, Nieves Herrera, Mercedes Ferrer, John N Stallone
Androgens are vasoactive steroids that induce acute vasodilation in a number of isolated vascular beds from different species, but the effects of these hormones on systemic blood pressure (BP) have been studied little. Although it has been reported that androgens exert systemic hypotensive effects through peripheral vasodilation in normotensive rats, there have not been any reports of systemic hypotensive effects of androgens in animals with hypertension. This study was designed to evaluate the acute effects of testosterone (TES) and its 5-reduced metabolites on systemic BP in hypertensive rats and to test the hypothesis that hypotestosteronemia may be involved in the pathogenesis of hypertension...
November 23, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27886226/functional-improvement-and-regression-of-medial-hypertrophy-in-the-remodeled-pulmonary-artery-after-correction-of-systemic-left-to-right-shunt
#19
Chih-Hsin Hsu, Jun-Neng Roan, Jyh-Hong Chen, Chen-Fuh Lam
The presence of systemic left-to-right shunt and increased pulmonary blood flow can result in right heart failure and pulmonary arteriopathy. Correction of left-to-right shunt has been shown to improve cardiac function and physical performance. However, the cardiopulmonary remodeling processes following cessation of left-to-right shunt have yet to be reported. In this experimental study, excessive pulmonary flow was restored through ligation of the aortocaval fistula in rats with flow-induced pulmonary hypertension...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27886187/plasma-proteomic-study-in-pulmonary-arterial-hypertension-associated-with-congenital-heart-diseases
#20
Xi Zhang, Hai-Tao Hou, Jun Wang, Xiao-Cheng Liu, Qin Yang, Guo-Wei He
Pulmonary arterial hypertension associated with congenital heart disease (CHD-PAH) has serious consequence and plasma protein profiles in CHD-PAH are unknown. We aimed to reveal the differential plasma proteins in 272 CHD patients with or without PAH. Various types of CHD-PAH were studied. Differential plasma proteins were first detected by iTRAQ proteomic technology and those with significant clinical relevance were selected for further ELISA validation in new cohort of patients. Among the 190 differential plasma proteins detected by iTRAQ, carbamoyl-phosphate synthetase I (CPSI, related to urea cycle and endogenous nitric oxide production) and complement factor H-related protein 2 (CFHR2, related to complement system and coagulant mechanism) were selected for further ELISA validation in new cohort of 152 patients...
November 25, 2016: Scientific Reports
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