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Resistent hypertension

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https://www.readbyqxmd.com/read/28346853/high-prevalence-of-vitamin-d-deficiency-and-correlation-of-serum-vitamin-d-with-cardiovascular-risk-in-patients-with-metabolic-syndrome
#1
Mohammad J Alkhatatbeh, Khalid K Abdul-Razzak, Lubna Q Khasawneh, Nesreen A Saadeh
BACKGROUND: Metabolic syndrome (MetS) identifies subjects with increased risk of cardiovascular disease when they have a combination of insulin resistance, obesity, hypertension, hyperglycemia, low high-density lipoprotein cholesterol (HDL-C), and elevated triglycerides (TGs). Increasing evidence suggests that vitamin D deficiency could be associated with diabetes and MetS. The aim is to assess if 25-hydroxyvitamin D (25-OHD) is correlated with cardiovascular risk components of MetS. METHODS: A cross-sectional study involved 124 diabetic patients with MetS according to International Diabetes Federation definition...
March 27, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28346241/hemodynamic-responses-to-magnetic-stimulation-of-carotid-sinus-in-normotensive-rabbits
#2
Jun Zhang, Qinqin Cao, Rongrong Li, Jingze Hu, Jiafei Dai, Hao Zhang, Huaiming Wang, Fang Yang, Ruidong Ye, Xinfeng Liu, Gelin Xu
OBJECTIVES: Carotid baroreflex plays a crucial role in regulating arterial pressure. Based on this knowledge, electrical stimulation of carotid sinus was designed for treating resistant hypertension. However, the clinical implication of electrical stimulation of carotid sinus is largely restrained due to obvious invasiveness. This study aimed to evaluate the efficacy of magnetic stimulation of carotid sinus (MSCS), a noninvasive strategy, for lowering blood pressure in rabbits. METHODS: MSCS with graded intensities and frequencies were systematically attempted in normotensive rabbits...
March 24, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28343312/role-of-acid-base-homeostasis-in-diabetic-kidney-disease
#3
REVIEW
Pascale Khairallah, Julia J Scialla
PURPOSE OF REVIEW: Acid-base homeostasis is impaired in chronic kidney disease (CKD) and may contribute to disease progression. Diabetes, a major cause of CKD worldwide, may exacerbate acidosis further due to differences in acid production and excretion. Here, we review the role of abnormal acid-base homeostasis in the pathogenesis and progression of diabetes and diabetic kidney disease. RECENT FINDINGS: Acidosis and dietary acid loading may contribute to the development and worsening of insulin resistance and hypertension, thereby promoting diabetes and diabetic CKD...
April 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28342684/persistent-pulmonary-hypertension-of-the-newborn
#4
REVIEW
Mamta Fuloria, Judy L Aschner
Failure of the normal circulatory adaptation to extrauterine life results in persistent pulmonary hypertension of the newborn (PPHN). Although this condition is most often secondary to parenchymal lung disease or lung hypoplasia, it may also be idiopathic. PPHN is characterized by elevated pulmonary vascular resistance with resultant right-to-left shunting of blood and hypoxemia. Although the preliminary diagnosis of PPHN is often based on differential cyanosis and labile hypoxemia, the diagnosis is confirmed by echocardiography...
March 23, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28342139/exploring-the-link-between-posttraumatic-stress-disorder-and-inflammation-related-medical-conditions-an-epidemiological-examination
#5
Jack Tsai, Jianxun Shen
There have been few epidemiological studies exploring the link between PTSD and inflammation using population-based samples. This study examined the relation between posttraumatic stress disorder (PTSD) and inflammation-related medical conditions using data from the 2013-2014 New York City Health and Nutrition Examination Survey. Using a representative sample of 1,527 residents in New York City, the association between PTSD and 17 inflammation-related medical conditions were examined. Bivariate and multivariable analyses were conducted, adjusting for demographic characteristics and lifetime depression...
March 25, 2017: Psychiatric Quarterly
https://www.readbyqxmd.com/read/28338956/hemodynamic-consequences-of-changes-in-microvascular-structure
#6
Damiano Rizzoni, Claudia Agabiti-Rosei, Enrico Agabiti-Rosei
In hypertension, an increased media-to-lumen ratio of small resistance arteries might play an important role in the increase of vascular resistance, and may also be an adaptive response to the increased hemodynamic load. The presence of morphological alteration in the microvasculature may be associated to an impaired tissue perfusion and/or to the development of target organ damage. Structural alterations in the microcirculation might represent a predictor of the onset of cardio-cerebrovascular events and hypertension complications...
March 10, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28338871/renal-sympathetic-denervation-a-viable-option-for-treating-resistant-hypertension
#7
Markus P Schlaich
Accumulating evidence from mainly uncontrolled clinical studies with various types of ablation catheters have shown that renal denervation (RDN) can be applied safely and is effective in lowering blood pressure (BP) in patients with treatment-resistant hypertension. Sustained BP lowering has been documented up to 3 years. Furthermore, RDN has been associated with regression of target organ damage, such as left ventricular hypertrophy, arterial stiffness, and others. Several studies indicate potential benefit in other common clinical conditions associated with increased sympathetic tone including chronic kidney disease and heart failure...
March 1, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28338768/integrative-blood-pressure-response-to-upright-tilt-post-renal-denervation
#8
Erin J Howden, Cara East, Justin S Lawley, Abigail S L Stickford, Myrthe Verhees, Qi Fu, Benjamin D Levine
BACKGROUND: Whether renal denervation (RDN) in patients with resistant hypertension normalizes blood pressure (BP) regulation in response to routine cardiovascular stimuli such as upright posture is unknown. We conducted an integrative study of BP regulation in patients with resistant hypertension who had received RDN to characterize autonomic circulatory control. METHODS: Twelve patients (60 ± 9 [SD] years, n = 10 males) who participated in the Symplicity HTN-3 trial were studied and compared to 2 age-matched normotensive (Norm) and hypertensive (unmedicated, HTN) control groups...
February 20, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28338297/atrial-flutter-regression-in-hiv-associated-pulmonary-arterial-hypertension-after-treatment-with-bosentan
#9
Mario Francesco Damiani, Cristina Scoditti, Elioda Bega, Silvano Dragonieri, Pierluigi Carratù, Alfredo Scoditti, Onofrio Resta
Pulmonary arterial hypertension (PAH) is a rare condition characterized by an increase in pulmonary arterial resistance leading to right heart failure and death. Arrhythmias are a growing problem in PAH; therefore, maintenance of sinus rhythm is considered to be an important treatment aim in these patients. We described the case of a 46-year-old woman with HIV-associated pulmonary arterial hypertension  who developed atrial flutter. After treatment with bosentan, it was observed a significant improvement in clinical and haemodynamic parameters...
November 29, 2016: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28337529/the-impact-of-repeated-cycles-of-radioligand-therapy-using-177-lu-lu-psma-617-on-renal-function-in-patients-with-hormone-refractory-metastatic-prostate-cancer
#10
Anna Yordanova, Anja Becker, Elisabeth Eppard, Stefan Kürpig, Christian Fisang, Georg Feldmann, Markus Essler, Hojjat Ahmadzadehfar
BACKGROUND: [(177)Lu]Lu-PSMA-617 is a well-tolerated therapy for the treatment of metastatic prostate cancer. However, because of the mainly renal excretion of the tracer, the kidneys are one of the most limiting organs. The purpose of this study was to examine the post-therapeutic changes in renal function over time and to identify risk factors for developing renal toxicity. We also tested the reliability of markers for renal function monitoring. METHODS: Fifty-five patients with castrate-resistant metastatic prostate cancer treated with at least three cycles of [(177)Lu]Lu-PSMA-617 were investigated...
March 23, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28335507/hydroxytyrosol-in-the-prevention-of-the-metabolic-syndrome-and-related-disorders
#11
REVIEW
Julien Peyrol, Catherine Riva, Marie Josèphe Amiot
Virgin olive oil (VOO) constitutes the main source of fat in the Mediterranean diet. VOO is rich in oleic acid, displaying health-promoting properties, but also contains minor bioactive components, especially phenolic compounds. Hydroxytyrosol (HT), the main polyphenol of olive oil, has been reported to be the most bioactive component. This review aims to compile the results of clinical, animal and cell culture studies evaluating the effects of HT on the features of Metabolic Syndrome (MetS) (body weight/adiposity, dyslipidemia, hypertension, and hyperglycemia/insulin resistance) and associated complications (oxidative stress and inflammation)...
March 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28333380/smooth-muscle-ion-channels-and-regulation-of-vascular-tone-in-resistance-arteries-and-arterioles
#12
Nathan R Tykocki, Erika M Boerman, William F Jackson
Vascular tone of resistance arteries and arterioles determines peripheral vascular resistance, contributing to the regulation of blood pressure and blood flow to, and within the body's tissues and organs. Ion channels in the plasma membrane and endoplasmic reticulum of vascular smooth muscle cells (SMCs) in these blood vessels importantly contribute to the regulation of intracellular Ca2+ concentration, the primary determinant of SMC contractile activity and vascular tone. Ion channels provide the main source of activator Ca2+ that determines vascular tone, and strongly contribute to setting and regulating membrane potential, which, in turn, regulates the open-state-probability of voltage gated Ca2+ channels (VGCCs), the primary source of Ca2+ in resistance artery and arteriolar SMCs...
March 16, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28333375/renal-nerves-and-long-term-control-of-arterial-pressure
#13
John W Osborn, Jason D Foss
The objective of this review is to provide an in-depth evaluation of how renal nerves regulate renal and cardiovascular function with a focus on long-term control of arterial pressure. We begin by reviewing the anatomy of renal nerves and then briefly discuss how the activity of renal nerves affects renal function. Current methods for measurement and quantification of efferent renal-nerve activity (ERNA) in animals and humans are discussed. Acute regulation of ERNA by classical neural reflexes as well and hormonal inputs to the brain is reviewed...
March 16, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28332240/lower-urinary-tract-symptoms-benign-prostatic-hypertrophy-and-vascular-function-role-of-the-nitric-oxide-phosphodiesterase-type-5-cyclic-guanosine-3-5-monophosphate-pathway
#14
REVIEW
Yukihito Higashi
It is well known that there is an association of lower urinary tract symptoms/benign prostatic hypertrophy with cardiovascular disease, suggesting that lower urinary tract symptoms/benign prostatic hypertrophy is a risk factor for cardiovascular events. Vascular function, including endothelial function and vascular smooth muscle function, is involved in the pathogenesis, maintenance and development of atherosclerosis, leading to cardiovascular events. Vascular dysfunction per se should also contribute to lower urinary tract symptoms/benign prostatic hypertrophy...
March 22, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28331987/hypertension-up-to-date-sprint-to-spyral
#15
REVIEW
Saarraaken Kulenthiran, Sebastian Ewen, Michael Böhm, Felix Mahfoud
Hypertension is the most common chronic cardiovascular condition with increasing prevalence all over the world. Treatment of patients at risk requires a multimodal therapeutic concept to adjust blood pressure, including systematic identification of secondary causes of hypertension or pseudo-resistance, lifestyle modification, polypharmacy, and as well as accompanying risk factors and comorbidities. The present review discusses recent studies on patients with increased cardiovascular risk potentially influencing future treatment strategies...
March 22, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28331450/pulmonary-thromboendarterectomy-for-pulmonary-hypertension-before-considering-transplant
#16
Hannah Kooperkamp, Inder Mehta, David Fary, Michael Bates
BACKGROUND: In cases of chronic thromboembolic pulmonary hypertension (CTEPH), referral for possible surgical intervention is important because surgery can be curative. Surgery necessitates cardiopulmonary bypass and deep circulatory arrest with pulmonary thrombectomy and bilateral endarterectomy (PTE). If surgery fails, lung transplant is the next best surgical option. Medical treatment is also an important adjunct. CASE REPORT: A 35-year-old female presented 3 months after a pulmonary embolus was found to be completely occluding her left pulmonary artery...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28330686/imaging-of-acute-and-chronic-thromboembolic-disease-state-of-the-art
#17
REVIEW
A Ruggiero, N J Screaton
Acute pulmonary embolism (PE) is a life-threatening condition that requires prompt diagnosis and treatment. Recent advances in imaging allow acute and rapid recognition even by the non-specialist radiologist. Most acute emboli resolve on anticoagulation without sequelae; however, some emboli fail to fully resolve becoming endothelialised with the development of chronic thromboembolic disease (CTED). Increased pulmonary vascular resistance arising from CTED may lead to chronic thromboembolic pulmonary hypertension (CTEPH) a debilitating disease affecting up to 5% of survivors of acute PE...
March 19, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28330662/pericardial-but-not-hepatic-fat-by-ct-is-associated-with-cv-outcomes-and%C3%A2-structure-the-multi-ethnic-study-of-atherosclerosis
#18
Ravi V Shah, Amanda Anderson, Jingzhong Ding, Matthew Budoff, Oliver Rider, Steffen E Petersen, Majken Karoline Jensen, Manja Koch, Matthew Allison, Nadine Kawel-Boehm, Jessica Wisocky, Michael Jerosch-Herold, Kenneth Mukamal, Joao A C Lima, Venkatesh L Murthy
OBJECTIVES: The study sought to determine the associations between local (pericardial) fat and incident cardiovascular disease (CVD) events and cardiac remodeling independent of markers of overall adiposity. BACKGROUND: The impact of pericardial fat-a local fat depot encasing the heart-on myocardial function and long-term CV prognosis independent of systemic consequences of adiposity or hepatic fat is an area of active debate. METHODS: We studied 4,234 participants enrolled in the MESA (Multi-Ethnic Study of Atherosclerosis) study with concomitant cardiac magnetic resonance imaging and computed tomography (CT) measurements for pericardial fat volume and hepatic attenuation (a measure of liver fat)...
March 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28329315/seraphin-haemodynamic-sub-study-the-effect-of-the-dual-endothelin-receptor-antagonist-macitentan-on-haemodynamic-parameters-and-nt-probnp-levels-and-their-association-with-disease-progression-in-patients-with-pulmonary-arterial-hypertension
#19
Nazzareno Galiè, Pavel Jansa, Tomás Pulido, Richard N Channick, Marion Delcroix, Hossein-Ardeschir Ghofrani, Franck-Olivier Le Brun, Sanjay Mehta, Loïc Perchenet, Lewis J Rubin, B K S Sastry, Gérald Simonneau, Olivier Sitbon, Rogério Souza, Adam Torbicki
Aims: The effect of macitentan on haemodynamic parameters and NT-proBNP levels was evaluated in pulmonary arterial hypertension (PAH) patients in the SERAPHIN study. Association between these parameters and disease progression, assessed by the primary endpoint (time to first morbidity/mortality event), was explored. Methods and results: Of the 742 randomized patients, 187 with right heart catheterization at baseline and month 6 participated in a haemodynamic sub-study...
February 28, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28329267/right-ventricular-recovery-after-bilateral-lung-transplantation-for-pulmonary-arterial-hypertension%C3%A2
#20
Thomas M Gorter, Erik A M Verschuuren, Dirk J van Veldhuisen, Elke S Hoendermis, Michiel E Erasmus, Harm J Bogaard, Anton Vonk Noordegraaf, Rolf M F Berger, Joost P van Melle, Tineke P Willems
OBJECTIVES: Pulmonary arterial hypertension (PAH) is a progressive and often fatal disease characterized by increased pulmonary vascular resistance (PVR) and right ventricular (RV) failure. End-stage PAH is often an indication for a lung transplant (LTX). Our goal was to study ventricular recovery using cardiac magnetic resonance imaging late after LTX. METHODS: We studied 10 patients with PAH who underwent isolated bilateral LTX. RV and left ventricular (LV) volumes, function and mass were measured...
March 3, 2017: Interactive Cardiovascular and Thoracic Surgery
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