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https://www.readbyqxmd.com/read/28535567/radiation-dose-and-procedure-time-for-994-ct-guided-spine-pain-control-procedures
#1
Matthew S Lazarus, Rebecca B Forman, Alan L Brook, Todd S Miller
BACKGROUND: Image guidance for spine pain control procedures, including epidural steroid injection, nerve root block, and facet block, can be performed with either computed tomography (CT) or conventional fluoroscopy. CT has the advantage of improved anatomic localization and use of air for contrast; however, there are concerns that CT leads to higher radiation dose and longer procedure time. OBJECTIVE: To evaluate procedure time and radiation dose for multiple types of spine pain control procedures performed under CT guidance...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28534649/a-meta-analytical-comparison-of-atenolol-with-angiotensin-converting-enzyme-inhibitors-on-arterial-stiffness-peripheral-blood-pressure-and-heart-rate-in-hypertensive-patients
#2
Hong Xie, Gaoqing Luo, Yong Zheng, Feng Peng, Liangdi Xie
OBJECTIVES: This meta-analysis of randomized parallel controlled trials was designed to compare the efficacy of atenolol with angiotensin-converting enzyme inhibitors (ACEIs) in changing pulse wave velocity (PWV), peripheral blood pressure and heart rate (HR) among patients with essential hypertension. METHODS: This study was conducted according to the PRISMA guideline. Data collection was independently completed by two investigators. Statistical analyses were completed by Stata software (v12...
May 23, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28515068/low-fat-dietary-pattern-and-cardiovascular-disease-results-from-the-women-s-health-initiative-randomized-controlled-trial
#3
Ross L Prentice, Aaron K Aragaki, Linda Van Horn, Cynthia A Thomson, Shirley Aa Beresford, Jennifer Robinson, Linda Snetselaar, Garnet L Anderson, JoAnn E Manson, Matthew A Allison, Jacques E Rossouw, Barbara V Howard
Background: The influence of a low-fat dietary pattern on the cardiovascular health of postmenopausal women continues to be of public health interest.Objective: This report evaluates low-fat dietary pattern influences on cardiovascular disease (CVD) incidence and mortality during the intervention and postintervention phases of the Women's Health Initiative Dietary Modification Trial.Design: Participants comprised 48,835 postmenopausal women aged 50-79 y; 40% were randomly assigned to a low-fat dietary pattern intervention (target of 20% of energy from fat), and 60% were randomly assigned to a usual diet comparison group...
May 17, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28514871/pulse-wave-velocity-retrospective-analysis-in-a-balkan-normotensive-and-hypertensive-population-a-study-of-9923-patients
#4
Dragan Lovic, Manolis S Kallistratos, Leonidas Poulimenos, Aggelos Skyrlas, V Stojanov, B Jakovljevic, M Zdravkovic, G Koracevic, Eftychia Chamodraka, Nikos Kouremenos, Andreas Pittaras, Peter Kokkinos, Pavlos Tsinivizov, Athanasios Manolis
We compared pulse wave velocity (PWV) between hypertensive patients and control patients to identify demographics and patient characteristics related to PWV. We retrospectively analyzed 9923 participants (3105 controls and 6818 hypertensive patients) from 5 outpatient hypertensive clinics (in Serbia and Greece). Pulse wave velocity had different distribution between controls and hypertensive patients ( P < .001). The magnitude of PWV increase was related to blood pressure (BP) category (from optimal to stage III hypertension; P < ...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28507171/first-in-man-demonstration-of-direct-endothelin-mediated-natriuresis-and-diuresis
#5
Robert W Hunter, Rebecca Moorhouse, Tariq E Farrah, Iain M MacIntyre, Takae Asai, Peter J Gallacher, Debbie Kerr, Vanessa Melville, Alicja Czopek, Emma E Morrison, Jess R Ivy, James W Dear, Matthew A Bailey, Jane Goddard, David J Webb, Neeraj Dhaun
Endothelin (ET) receptor antagonists are potentially novel therapeutic agents in chronic kidney disease and resistant hypertension, but their use is complicated by sodium and water retention. In animal studies, this side effect arises from ETB receptor blockade in the renal tubule. Previous attempts to determine whether this mechanism operates in humans have been confounded by the hemodynamic consequences of ET receptor stimulation/blockade. We aimed to determine the effects of ET signaling on salt transport in the human nephron by administering subpressor doses of the ET-1 precursor, big ET-1...
May 15, 2017: Hypertension
https://www.readbyqxmd.com/read/28499935/sub-chronic-lead-exposure-produces-%C3%AE-1-adrenoceptor-downregulation-decreasing-arterial-pressure-reactivity-in-rats
#6
Cindy Medici Toscano, Maylla Ronacher Simões, Maria Jesus Alonso, Mercedes Salaices, Dalton Valentim Vassallo, Mirian Fioresi
Lead is considered a causative factor for hypertension and other cardiovascular diseases. AIMS: To investigate the effects of sub-chronic lead exposure on blood pressure reactivity and cardiac β1-adrenoceptor activity and to evaluate whether the effects found in vitro are similar to those found in vivo. MAIN METHODS: Male Wistar rats were randomly distributed into two groups: control rats (Ct) and rats administered drinking water containing 100ppm lead (Pb) for 30days...
May 9, 2017: Life Sciences
https://www.readbyqxmd.com/read/28497339/follow-up-of-antihypertensive-therapy-improves-blood-pressure-control-results-of-hyt-hypertension-survey-follow-up
#7
F Fici, G Seravalle, N Koylan, I Nalbantgil, N Cagla, Y Korkut, F Quarti-Trevano, W Makel, G Grassi
INTRODUCTION: Although improved during the past few years, blood pressure control remains sub optimal. AIM: The impact of follow-up assessment on blood pressure control was evaluated in a group of patients of the HYT (HYperTension survey), treated with a combination of different dihydropyridine calcium-channel blockers (CCBs regimen) and inhibitors of renin-angiotensin-aldosterone system (RAAS) and with uncontrolled blood pressure. This was obtained assessing (a) the rate of blood pressure control at 3 and 6 months of follow-up in the whole group of patients, (b) the rate of blood pressure control and the average blood pressure values in subjects treated with different DHP-CCBs regimen...
May 11, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28496494/effect-of-inhalation-of-lavender-essential-oil-on-vital-signs-in-open-heart-surgery-icu
#8
Armaiti Salamati, Soheyla Mashouf, Faraz Mojab
This study evaluated the effects of inhalation of Lavender essential oil on vital signs in open heart surgery ICU. The main complaint of patients after open-heart surgery is dysrhythmia, tachycardia, and hypertension due to stress and pain. Due to the side effects of chemical drugs, such as opioids, use of non-invasive methods such as aromatherapy for relieving stress and pain parallel to chemical agents could be an important way to decrease the dose and side effects of analgesics. In a multicenter, single-blind trial, 40 patients who had open-heart surgery were recruited...
2017: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/28495840/nonlinearities-of-heart-rate-variability-in-animal-models-of-impaired-cardiac-control-contribution-of-different-time-scales
#9
Luiz Eduardo Virgilio Silva, Renata Maria Lataro, Jaci Airton Castania, Carlos Alberto Aguiar Silva, Helio C Salgado, Rubens Fazan, Alberto Porta
Heart rate variability (HRV) has been extensively explored by traditional linear approaches (e.g. spectral analysis). However, several studies have pointed to the presence of nonlinear features in HRV, suggesting that linear tools might fail to account for the complexity of the HRV dynamics. Even though the prevalent notion is that HRV is nonlinear, the actual presence of nonlinear features is rarely verified. In this study, the presence of nonlinear dynamics was checked as a function of time scales in three experimental models of rats with different impairment of the cardiac control, namely rats with heart failure (HF), spontaneously hypertensive rats (SHRs) and sinoaortic denervated (SAD) rats...
May 11, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28493030/ambulatory-blood-pressure-response-to-a-bout-of-hiit-in-metabolic-syndrome-patients
#10
M Ramirez-Jimenez, F Morales-Palomo, J G Pallares, Ricardo Mora-Rodriguez, J F Ortega
PURPOSE: The effectiveness of exercise to lower blood pressure may depend on the type and intensity of exercise. We study the short-term (i.e., 14-h) effects of a bout of high-intensity aerobic interval training (HIIT) on blood pressure in metabolic syndrome (MetS) patients. METHODS: Nineteen MetS patients (55.2 ± 7.3 years, 6 women) entered the study. Eight of them were normotensive and eleven hypertensive according to MetS threshold (≥130 mmHg for SBP and/or ≥85 mmHg for DBP)...
May 10, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28473772/lack-of-effects-of-metformin-and-aicar-chronic-infusion-on-the-development-of-hypertension-in-dahl-salt-sensitive-rats
#11
Tengis S Pavlov, Vladislav Levchenko, Daria V Ilatovskaya, Hui Li, Oleg Palygin, Nuria M Pastor-Soler, Kenneth R Hallows, Alexander Staruschenko
In the kidney, reabsorption via the epithelial sodium channel (ENaC) is involved in long-term blood pressure control. Previously we demonstrated that ENaC hyperactivity is associated with development of salt-sensitive (SS) hypertension in Dahl SS rats. AMP-activated kinase (AMPK), playing a role in cellular energy homeostasis, has been shown to decrease ENaC activity. Here, we tested whether metformin and AICAR, two drugs that activate AMPK, affect the development of salt-induced hypertension. High salt diet significantly increased mean arterial pressure (MAP) in Dahl SS rats...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28468510/safety-and-efficacy-of-bridging-with-low-molecular-weight-heparin-during-temporary-interruptions-of-warfarin-a-register-based-cohort-study
#12
Vilhelm Sjögren, Bartosz Grzymala-Lubanski, Henrik Renlund, Peter J Svensson, Anders Själander
Low-molecular-weight heparin (LMWH) is often recommended as a bridging therapy during temporary interruptions in warfarin treatment, despite lack of evidence. The aim of this study was to see whether we could find benefit from LMWH bridging. We studied all planned interruptions of warfarin within the Swedish anticoagulation register Auricula during 2006 to 2011. Low-molecular-weight heparin bridging was compared to nonbridging (control) after propensity score matching. Complications were identified in national clinical registers for 30 days following warfarin cessation, and defined as all-cause mortality, bleeding (intracranial, gastrointestinal, or other), or thrombosis (ischemic stroke or systemic embolism, venous thromboembolism, or myocardial infarction) that was fatal or required hospital care...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28466536/a-retrospective-analysis-of-3954-patients-in-phase-2-3-trials-of-bortezomib-for-the-treatment-of-multiple-myeloma-towards-providing-a-benchmark-for-the-cardiac-safety-profile-of-proteasome-inhibition-in-multiple-myeloma
#13
Jacob P Laubach, Javid J Moslehi, Sanjeev A Francis, Jesús F San Miguel, Pieter Sonneveld, Robert Z Orlowski, Philippe Moreau, Laura Rosiñol, Edward A Faber, Peter Voorhees, Maria-Victoria Mateos, Loreta Marquez, Huaibao Feng, Avinash Desai, Helgi van de Velde, Jennifer Elliott, Hongliang Shi, Edward Dow, Nishith Jobanputra, Dixie-Lee Esseltine, Liviu Niculescu, Kenneth C Anderson, Sagar Lonial, Paul G Richardson
This retrospective analysis aimed to establish the overall cardiac safety profile of bortezomib using patient-level data from one phase 2 and seven phase 3 studies in previously untreated and relapsed/refractory multiple myeloma (MM). Seven clinically relevant primary [congestive heart failure (CHF), arrhythmias, ischaemic heart disease (IHD), cardiac death] and secondary (hypertension, dyspnoea, oedema) cardiac endpoints were defined based on MedDRA v16.0 preferred terms. 2509 bortezomib-treated patients and 1445 patients in non-bortezomib-based control arms were included...
May 3, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28461601/angiogenic-markers-and-cardiovascular-indices-in-the-prediction-of-hypertensive-disorders-of-pregnancy
#14
Stefan Verlohren, Frank H Perschel, Baskaran Thilaganathan, Lisa Antonia Dröge, Wolfgang Henrich, Andreas Busjahn, Asma Khalil
Angiogenic and antiangiogenic factors have proven to be an accurate predictive means of preeclampsia. Echocardiographic studies have shown that women with preeclampsia exhibit significant cardiovascular strain, especially early-onset preeclampsia. The aim of this study is to determine preeclampsia risk with soluble fms-like tyrosin kinase 1/placental growth factor ratio, serum NT-proBNP (N-terminal pro B-type natriuretic peptide), and biophysical markers of cardiovascular function in a prospective case-control study...
June 2017: Hypertension
https://www.readbyqxmd.com/read/28455826/subendocardial-viability-ratio-in-patients-with-rheumatoid-arthritis-comparison-with-healthy-controls-and-identification-of-prognostic-factors
#15
Panagiota Anyfanti, Areti Triantafyllou, Eugenia Gkaliagkousi, Georgios Triantafyllou, Nikolaos Koletsos, Sophia Chatzimichailidou, Panagiotis Panagopoulos, Ioannis Botis, Spyros Aslanidis, Stella Douma
Cardiac involvement is common in rheumatoid arthritis. Subendocardial viability ratio (SEVR) is a non-invasive measure of microvascular coronary perfusion, yet it remains unclear whether it is affected in rheumatoid arthritis patients. We additionally sought predictors of SEVR in rheumatoid arthritis among a wide range of disease-related parameters, cardiac and hemodynamic factors, and markers of atherosclerosis, arteriosclerosis, and endothelial dysfunction. SEVR was estimated in rheumatoid arthritis patients and healthy controls by applanation tonometry, which was also used to evaluate arterial stiffness (pulse wave velocity and augmentation index)...
April 28, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28455288/cardiac-myofibrillar-contractile-properties-during-the-progression-from-hypertension-to-decompensated-heart-failure
#16
Laurin M Hanft, Craig A Emter, Kerry S McDonald
Heart failure arises, in part, from a constellation of changes in cardiac myocytes including remodeling, energetics, calcium handling, and myofibrillar function. However, little is known about the changes in myofibrillar contractile properties during the progression from hypertension to decompensated heart failure. The aim of this study was to provide a comprehensive assessment of myofibrillar functional properties from health to heart disease. A rodent model of uncontrolled hypertension was used to test the hypothesis that myocytes in compensated hearts exhibit increased force, higher rates of force development, faster loaded shortening, and greater power output; however, with progression to overt heart failure we predicted marked depression in these contractile properties...
April 28, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28454796/atrial-fibrillation-detected-by-continuous-electrocardiographic-monitoring-using-implantable-loop-recorder-to-prevent-stroke-in-individuals-at-risk-the-loop-study-rationale-and-design-of-a-large-randomized-controlled-trial
#17
Søren Zöga Diederichsen, Ketil Jørgen Haugan, Lars Køber, Søren Højberg, Axel Brandes, Christian Kronborg, Claus Graff, Anders Gaarsdal Holst, Jonas Bille Nielsen, Derk Krieger, Jesper Hastrup Svendsen
Atrial fibrillation (AF) increases the rate of stroke 5-fold, and AF-related strokes have a poorer prognosis compared with non-AF-related strokes. Atrial fibrillation and stroke constitute an intensifying challenge, and health care organizations are calling for awareness on the topic. Previous studies have demonstrated that AF is often asymptomatic and consequently undiagnosed. The implantable loop recorder (ILR) allows for continuous, long-term electrocardiographic monitoring with daily transmission of arrhythmia information, potentially leading to improvement in AF detection and stroke prevention...
May 2017: American Heart Journal
https://www.readbyqxmd.com/read/28451451/abnormal-haemodynamic-postural-response-in-patients-with-chronic-heart-failure
#18
Anne-Sophie G T Bronzwaer, Lysander W J Bogert, Berend E Westerhof, Jan J Piek, Mat J A P Daemen, Johannes J van Lieshout
AIM: The objective was to evaluate in treated heart failure (HF) patients whether multidrug therapy interferes with the cardiovascular autonomic response to postural stress. METHODS AND RESULTS: Blood pressure (BP; Finapres), heart rate (HR), stroke volume, and total peripheral resistance (TPR) responses to standing up were measured in 33 HF patients and 10 healthy age-matched controls. Ten hypertensive (HT) patients treated with a similar combination of drugs but without heart failure served as reference subjects to account for use of medication...
May 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28444088/hypertension-in-patients-admitted-to-clinical-units-at-university-hospital-post-discharge-evaluation-rated-by-telephone
#19
Cássia Lima de Campos, Angela Maria Geraldo Pierin, Natalia Alencar de Pinho
Objective: To characterize hypertensive patients after admission to hospital considering the current status, compliance to treatment, habits and lifestyle, and knowledge and beliefs about the disease. Methods: This was an exploratory study with 265 hypertensive patients admitted to a medical inpatients unit of a university hospital. Data were collected in an interview over the telephone. The level of significance was set as p<0.05. Results: It was found that 32% of hypertensive patients had died...
2017: Einstein
https://www.readbyqxmd.com/read/28443695/safety-pharmacology-of-acute-mdma-administration-in-healthy-subjects
#20
Patrick Vizeli, Matthias E Liechti
3,4-Methylenedioxymethamphetamine (MDMA; ecstasy) is being investigated in MDMA-assisted psychotherapy. The present study characterized the safety pharmacology of single-dose administrations of MDMA (75 or 125 mg) using data from nine double-blind, placebo-controlled, crossover studies performed in the same laboratory in a total of 166 healthy subjects. The duration of the subjective effects was 4.2 ± 1.3 h (range: 1.4-8.2 h). The 125 mg dose of MDMA produced greater 'good drug effect' ratings than 75 mg. MDMA produced moderate and transient 'bad drug effect' ratings, which were greater in women than in men...
February 1, 2017: Journal of Psychopharmacology
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