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Arterial blood pressure therapy

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https://www.readbyqxmd.com/read/27908698/potential-role-of-endurance-training-in-altering-renal-sympathetic-nerve-activity-in-ckd
#1
REVIEW
Erin J Howden, Justin S Lawley, Murray Esler, Benjamin D Levine
Chronic kidney disease (CKD), is characterized by a progressive loss of renal function and increase in cardiovascular risk. In this review paper, we discuss the pathophysiology of increased sympathetic nerve activity in CKD patients and raise the possibility of endurance exercise being an effective countermeasure to address this problem. We specifically focus on the potential role of endurance training in altering renal sympathetic nerve activity as increased renal sympathetic nerve activity negatively impacts kidney function as well indirectly effects multiple other systems and organs...
November 25, 2016: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/27904103/plasma-renin-activity-predicts-the-improvement-in-resistant-hypertension-after-percutaneous-transluminal-renal-artery-angioplasty
#2
Hyuma Daidoji, Yoshiaki Tamada, Saya Suzuki, Ken Watanabe, Taku Shikama, Yoku Kikuchi, Shigehiko Kato, Katsuaki Takahashi, Akio Fukui, Motoyuki Matsui, Tomoyasu Yahagi, Toshikazu Goto
Objective Percutaneous transluminal renal artery angioplasty (PTRA) has been recommended for the treatment of renovascular resistant hypertension. However, large randomized trials have reported that PTRA did not improve the outcomes compared with optimal medical therapy in patients with renal artery stenosis (RAS). It is important to identify patients with renovascular hypertension who are likely to respond to PTRA. We herein examined whether or not the plasma renin activity (PRA) could predict the improvement in resistant hypertension after PTRA for RAS...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27898415/hypotension-and-adverse-outcomes-in-prematurity-comparing-definitions
#3
Deidre St Peter, Christiana Gandy, Suma B Hoffman
BACKGROUND: In the premature neonate, there is no consensus regarding normal blood pressure (BP). The most common definition used is a mean arterial BP (MAP) less than the gestational age (GA); however, studies indicate that the neuroprotective mechanism of autoregulation is lost below a MAP of 30 mm Hg. OBJECTIVE: To determine whether hypotension defined as MAP <30 mm Hg or MAP less than the infant's GA better predicts adverse outcomes of intraventricular hemorrhage (IVH) and death...
November 30, 2016: Neonatology
https://www.readbyqxmd.com/read/27890480/chemerin-induced-arterial-contraction-is-gi-and-calcium-dependent
#4
David J Ferland, Emma S Darios, Richard R Neubig, Benita Sjögren, Nguyen Truong, Rosa Torres, Thomas S Dexheimer, Janice M Thompson, Stephanie W Watts
Chemerin is an adipokine associated with increased blood pressure, and may link obesity with hypertension. We tested the hypothesis that chemerin-induced contraction of the vasculature occurs via calcium flux in smooth muscle cells. Isometric contraction of rat aortic rings was performed in parallel with calcium kinetics of rat aortic smooth muscle cells to assess the possible signaling pathway. Chemerin-9 (nonapeptide of the chemerin S(157) isoform) caused a concentration-dependent contraction of isolated aorta (EC50 100nM) and elicited a concentration-dependent intracellular calcium response (EC50 10nM)...
November 23, 2016: Vascular Pharmacology
https://www.readbyqxmd.com/read/27888135/antihypertensive-effects-of-androgens-in-conscious-spontaneously-hypertensive-rats
#5
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/27885058/association-between-human-immunodeficiency-virus-infection-and-arterial-stiffness-in-children
#6
Justin S Kuilder, Nikmah S Idris, Diederick E Grobbee, Michiel L Bots, Michael Mh Cheung, David Burgner, Nia Kurniati, Cuno Spm Uiterwaal
BACKGROUND: Human immunodeficiency virus infection (HIV) is associated with increased cardiovascular risk and adverse cardiovascular outcome in adults. Early recognition of changes in vascular properties might prove essential in cardiovascular prevention in HIV-infected patients. We investigated the relations between HIV infection and arterial stiffness in children. METHODS: This cross-sectional study included 51 HIV-infected and 52 healthy children (age 3.2-14...
November 24, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27882025/no-inhalation-in-combination-with-high-frequency-ventilation-treatment-in-the-treatment-of-neonatal-severe-respiratory-failure
#7
Xiaohui Guo, Yanfeng Sun, Jing Miao, Min Cui, Jiangbo Wang, Shuzhen Han
OBJECTIVE: To discuss over NO inhalation (iNO) in combination with high frequency ventilation treatment in relieving clinical symptoms and respiratory state of patients with neonatal severe respiratory failure. METHODS: Ninety newborns with severe respiratory failure who received treatment in our hospital were selected for this study. They were divided into research group and control group according to visiting time. Patients in the control group were given conventional treatment in combination with high-frequency oscillatory ventilation, while patients in the research group were given iNO for treatment additionally besides the treatment the same as the control group...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27881998/a-comparative-study-on-the-effects-of-mri-and-ct-guided-interventional-therapies-on-uterine-fibroids
#8
Yongxu Mu, Ruiqiang Yan, Junfeng He, Xiaoyan Hu, Qiming Li, Haiyan Liu
OBJECTIVE: To compare the effects of MRI- and CT-guided interventional therapies on uterine fibroids. METHODS: A total of 280 patients with uterine fibroids who were treated in our hospital from August 2008 to February 2014 were selected and divided into a treatment group and a control group by random draw (n=140). The control group and the treatment group were subjected to CT- and MRI-guided interventional therapies for uterine artery embolization. RESULTS: After three months of treatment, 94...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27881560/coronary-artery-calcium-to-guide-a-personalized-risk-based-approach-to-initiation-and-intensification-of-antihypertensive-therapy
#9
John W McEvoy, Seth S Martin, Zeina A Dardari, Michael D Miedema, Veit Sandfort, Joseph Yeboah, Matthew J Budoff, David C Goff, Bruce M Psaty, Wendy S Post, Khurram Nasir, Roger S Blumenthal, Michael J Blaha
BACKGROUND: -There is interest in using atherosclerotic cardiovascular disease (ASCVD) risk to personalize systolic blood pressure (SBP) treatment goals. Therefore, we studied whether Coronary Artery Calcium (CAC) can further guide the allocation of anti-hypertensive treatment intensity. METHODS: -We included 3,733 participants from the Multi-Ethnic Study of Atherosclerosis with SBP between 120-179mmHg. Within subgroups categorized by both SBP (120-139, 140-159, 160-179mmHg) and estimated 10-year ASCVD risk (using the ACC/AHA pooled-cohort equations), we compared multivariable-adjusted hazard ratios (HRs) for the composite outcome of incident ASCVD or heart failure, after further stratifying by CAC (0, 1-100, or >100)...
November 23, 2016: Circulation
https://www.readbyqxmd.com/read/27876342/omega-3-fatty-acids-supplementation-improves-endothelial-function-and-arterial-stiffness-in-hypertensive-patients-with-hypertriglyceridemia-and-high-cardiovascular-risk
#10
Marcela A Casanova, Fernanda Medeiros, Michelle Trindade, Célia Cohen, Wille Oigman, Mario Fritsch Neves
Association between hypertriglyceridemia and cardiovascular (CV) disease is still controversial. The purpose of this study was to compare omega-3 and ciprofibrate effects on the vascular structure and function in low and high CV risk hypertensive patients with hypertriglyceridemia. Twenty-nine adults with triglycerides 150-499 mg/dL were divided into low (<7.5%) and high (≥7.5%) CV risk, randomized to receive omega-3 fatty acids 1800 mg/d or ciprofibrate 100 mg/d for 12 weeks. Treatment was switched after 8-week washout...
October 26, 2016: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/27876325/does-early-goal-directed-therapy-decrease-mortality-compared-with-standard-care-in-patients-with-septic-shock
#11
Michael E Winters, Robert Sherwin, Gary M Vilke, Gabriel Wardi
BACKGROUND: Current international guidelines for the treatment of patients with severe sepsis and septic shock recommend that patients receive targeted care to various physiologic endpoints, thereby optimizing tissue perfusion and oxygenation. These recommendations are primarily derived from a protocol published >15 years ago, which was viewed by many as complex and was therefore not widely adopted. Instead, many emergency physicians focused on the administration of early antibiotics, source control, aggressive fluid resuscitation, vasoactive medications as needed to maintain mean arterial blood pressure, and careful monitoring of these patients...
November 19, 2016: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27873231/atherosclerotic-renal-artery-stenosis
#12
Robert Schoepe, Stephen McQuillan, Debbie Valsan, Geoffrey Teehan
Atherosclerotic Renal Artery Stenosis is a form or peripheral arterial disease that tends to affect older subjects with hyperlipidemia, history of tobacco use, and who have other coexistent forms of vascular insufficiency. An abdominal bruit on physical exam can be a helpful clue. Slowly progressive, it can lead to critical narrowing of the renal arteries which creates a cascade of events such as renin-angiotensin-aldosterone activation (RAAS), hypertension, acute pulmonary edema, and renal fibrosis. The hypertension is considered a secondary form and can even be resistant to multiple antihypertensives...
November 22, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27873227/the-relationship-between-aortic-root-size-and-hypertension-an-unsolved-conundrum
#13
Giuseppe Mulè, Emilio Nardi, Massimiliano Morreale, Antonella Castiglia, Giulio Geraci, Dario Altieri, Valentina Cacciatore, Margherita Schillaci, Francesco Vaccaro, Santina Cottone
Thoracic aortic aneurysms rupture and dissection are among the most devastating vascular diseases, being characterized by elevated mortality, despite improvements in diagnostic imaging and surgical techniques.An increased aortic root diameter (ARD) represents the main risk factor for thoracic aortic dissection and rupture and for aortic valve regurgitation.Even though arterial hypertension is commonly regarded as a predisposing condition for the development of thoracic aorta aneurysms, the role of blood pressure (BP) as determinant of aortic root enlargement is still controversial...
November 22, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27867566/effectiveness-of-temporary-positive-expiratory-pressure-t-pep-at-home-and-at-hospital-in-patients-with-severe-chronic-obstructive-pulmonary-disease
#14
Valentina Mascardi, Bruna Grecchi, Cornelius Barlascini, Paolo Banfi, Antonello Nicolini
BACKGROUND: Temporary positive airway pressure (T-PEP) is a tool recently introduced in the treatment of chronic obstructive pulmonary disease (COPD) or bronchiectasis. It demonstrated encouraging results also in severe COPD patients. The aim of this study is verify if adding T-PEP to best bronchodilator therapy both in clinic and home administering could reduce disease exacerbations and improve lung function in patients with severe COPD. METHODS: A total of 142 patients with severe COPD (FEV1 <50%) were enrolled; 120 were randomized in three groups: a group treated with T-PEP at home, a group with T-PEP at hospital and a group with medical therapy only (control group)...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27865195/a-clinical-model-to-identify-patients-with-high-risk-plaque-by-coronary-computed-tomography-angiography
#15
Nobuo Tomizawa, Kodai Yamamoto, Yayoi Hayakawa, Shinichi Inoh, Takeshi Nojo, Sunao Nakamura
OBJECTIVES: Current clinical models predict the pre-test probability of obstructive coronary artery disease, but these models do not predict the presence of high-risk plaques. Thus the objective of this study was to propose a model to predict high-risk plaque assessed by coronary computed tomography (CT) angiography. METHODS: This study was a retrospective cross-sectional study. A clinical model was derived from 2392 patients and verified by 733 patients who underwent coronary CT suspected of coronary artery disease...
November 14, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27861431/pediatric-artificial-lung-a-low-resistance-pumpless-artificial-lung-alleviates-an-acute-lamb-model-of-increased-right-ventricle-afterload
#16
Fares Alghanem, Benjamin S Bryner, Emilia M Jahangir, Uditha P Fernando, John M Trahanas, Hayley R Hoffman, Robert H Bartlett, Alvaro Rojas-Peña, Ronald B Hirschl
Lung disease in children often results in pulmonary hypertension and right heart failure. The availability of a pediatric artificial lung (PAL) would open new approaches to the management of these conditions by bridging to recovery in acute disease or transplantation in chronic disease. This study investigates the efficacy of a novel PAL in alleviating an animal model of pulmonary hypertension and increased right ventricle afterload.Five juvenile lambs (20-30 Kg) underwent PAL implantation in a pulmonary artery to left atrium configuration...
November 15, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27853886/home-based-isometric-exercise-training-induced-reductions-resting-blood-pressure
#17
Jonathan D Wiles, Natalie Goldring, Damian Coleman
PURPOSE: Isometric exercise training (IET) reduces resting blood pressure (BP). Most previous protocols impose exercise barriers which undermine its effectiveness as a potential physical therapy for altering BP. An inexpensive, home-based programme would promote IET as a valuable tool in the fight against hypertension. The aims of this study were: (a) to investigate whether home-based wall squat training could successfully reduce resting BP and (b) to explore the physiological variables that might mediate a change in resting BP...
November 16, 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27843051/effect-of-hormone-replacement-therapy-with-the-anti-mineralocorticoid-progestin-drospirenone-compared-to-tibolone-on-endothelial-function-and-central-haemodynamics-in-post-menopausal-women
#18
Cristiana Vitale, Caterina Mammi, Marco Gambacciani, Novella Russo, Ilaria Spoletini, Massimo Fini, Maurizio Volterrani, Giuseppe M C Rosano
Drospirenone (DRSP) is an antialdosterone agent with progestogenic and antiandrogenic effects. This compound, has been recently used in combination with 17β-estradiol (E2) as hormonal therapy in postmenopausal women and has been shown to exert a significant antihypertensive effect in hypertensive post-menopausal women. Aim of the present study was to compare the effect of DRSP/E2 with those of Tibolone (T) on endothelial function, arterial stiffness, and lipid profile of early postmenopausal women naïve on post-menopausal hormonal therapy...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27828873/elevated-markers-of-vascular-remodeling-and-arterial-stiffness-are-associated-with-neurocognitive-function-in-older-hiv-adults-on-suppressive-antiretroviral-therapy
#19
Jessica L Montoya, Jennifer Iudicello, Pariya L Fazeli, Suzi Hong, Michael Potter, Ronald J Ellis, Igor Grant, Scott L Letendre, David J Moore
BACKGROUND: HIV is associated with elevated markers of vascular remodeling that may contribute to arterial fibrosis and stiffening, and changes in pulse pressure (PP). These changes may, in turn, deleteriously affect autoregulation of cerebral blood flow and neurocognitive function. METHODS: To evaluate these mechanisms, we studied markers of vascular remodeling, PP, and neurocognitive function among older (≥50 years of age) HIV-infected (HIV+; n = 72) and HIV-seronegative (HIV-; n = 36) adults...
November 4, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27822310/anaphylactic-shock-during-cement-implantation-of-a-total-hip-arthroplasty-in-a-patient-with-underlying-mastocytosis-case-report-of-a-rare-intraoperative-complication
#20
Anita Ten Hagen, Pieter Doldersum, Tom van Raaij
BACKGROUND: Cemented total hip arthroplasty (THA) is a safe and common procedure. In rare cases life threatening bone cement implantation syndrome (BCIS) may occur, which is commonly caused by pulmonary embolism (PE). CASE PRESENTATION: We describe the rare case of a 70-year old patient who underwent an elective total hip replacement. Before surgery he was diagnosed with underlying systemic indolent mastocytosis, a rare pathological disorder that may result in anaphylaxis after massive systemic mast cell activation...
2016: Patient Safety in Surgery
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