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https://www.readbyqxmd.com/read/29142811/carotid-artery-stiffness-and-development-of-hypertension-in-people-with-paraplegia-and-no-overt-cardiovascular-disease-a-7-year-follow-up-study
#1
Olga Vriz, Nicole Bertin, Arianna Ius, Emiliana Bizzarini, Eduardo Bossone, Francesco Antonini-Canterin
Objectives: The aim of this study was to compare arterial stiffness between people with paraplegia and able-bodied persons (ABPs) and to assess cardiovascular markers that may be predictive of the development of arterial hypertension in people with spinal cord injury (SCI). Setting: This study was conducted at rehabilitation Hospital, Udine (Italy). Methods: Fifty-seven patients with SCI were prospectively enrolled and compared with 88 healthy ABPs...
October 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/29138649/-clinical-and-electrocardiographic-aspect-of-pulmonary-embolism-masking-aortic-dissection-revealed-by-thoracic-ct-angiography
#2
Daniella Rakotoniaina Masinarivo, Jenny Larissa Rakotomanana
We here report the case of a 52-year old hypertensive, obese woman (BMI 32,46 kg/m(2)) with a past history of smoking and without evidence-based risk factors of venous thromboembolism, hospitalized for left chest pain radiating to the dorsolumbar region associated with dyspnoea. Clinical examination on hopitalization showed left blood pressure 100/60 mmHg, tachycardia 100/min, oxygen desaturation index at 88% with the patient breathing ambient air, normal cardiopulmonary auscultation, peripheral pulses palpable and no symptoms of phlebitis of the lower limbs...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29131289/negative-predictors-of-treatment-success-in-outpatient-therapy-of-arterial-hypertension-in-poland-results-of-the-control-nt-observational-registry
#3
Krzysztof J Filipiak, Mariusz Tomaniak, Anna E Płatek, Filip M Szymański, Andrzej Tykarski
BACKGROUND: Identification of factors interfering with adequate control of arterial hypertension in the course of antihypertensive therapy is necessary to plan the strategy or reducing the incidence of cardiovascular disorders and optimize clinical practice guidelines. There have only been limited reliable studies describing the current status of hypertension treatment. AIM: The study objective was to conduct a screening assessment of the rate of uncontrolled hypertension among hypertensive patients coming to a routine follow-up visit, and to characterize patients with inadequate control of arterial hypertension in the aspect of their cardiovascular risk profile and therapeutic strategies used...
November 13, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/29127233/vascular-endothelial-function-masks-increased-sympathetic-vasopressor-activity-in-rats-with-metabolic-syndrome
#4
Sylvain Battault, Cindy Meziat, Alessandro R Nascimento, Laura Braud, Sandrine Gayrard, Christian Legros, Frederic De Nardi, Jocelyne Drai, Olivier Cazorla, Jérôme Thireau, Gregory Meyer, Cyril Reboul
OBJECTIVE: Sympathetic hyperactivation, a common feature of obesity and metabolic syndrome, is a key trigger of hypertension. However, some obese subjects with autonomic unbalance present a dissociation between sympathetic activity mediated vasoconstriction and increased blood pressure. Here, we aimed to determine in a rat model of metabolic syndrome, whether the endothelium eNOS-NO pathway contribute to counteract the vasopressor effect of the sympathetic system. METHODS: Rats were fed a high fat and high sucrose diet for 15 weeks (HFS)...
November 10, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29121095/the-pedunculopontine-tegmentum-controls-renal-sympathetic-nerve-activity-and-cardiorespiratory-activities-in-nembutal-anesthetized-rats
#5
Anne M Fink, Caron Dean, Mariann R Piano, David W Carley
Elevated renal sympathetic nerve activity (RSNA) accompanies a variety of complex disorders, including obstructive sleep apnea, heart failure, and chronic kidney disease. Understanding pathophysiologic renal mechanisms is important for determining why hypertension is both a common sequelae and a predisposing factor of these disorders. The role of the brainstem in regulating RSNA remains incompletely understood. The pedunculopontine tegmentum (PPT) is known for regulating behaviors including alertness, locomotion, and rapid eye movement sleep...
2017: PloS One
https://www.readbyqxmd.com/read/29118720/altered-right-ventricular-mechanical-properties-are-afterload-dependent-in-a-rodent-model-of-bronchopulmonary-dysplasia
#6
Jitandrakumar R Patel, Gregory P Barton, Rudolf K Braun, Kara N Goss, Kristin Haraldsdottir, Alexandria Hopp, Gary Diffee, Timothy A Hacker, Richard L Moss, Marlowe W Eldridge
Infants born premature are at increased risk for development of bronchopulmonary dysplasia (BPD), pulmonary hypertension (PH), and ultimately right ventricular (RV) dysfunction, which together carry a high risk of neonatal mortality. However, the role alveolar simplification and abnormal pulmonary microvascular development in BPD affects RV contractile properties is unknown. We used a rat model of BPD to examine the effect of hyperoxia-induced PH on RV contractile properties. We measured in vivo RV pressure as well as passive force, maximum Ca(2+) activated force, calcium sensitivity of force (pCa50) and rate of force redevelopment (ktr) in RV skinned trabeculae isolated from hearts of 21-and 35-day old rats pre-exposed to 21% oxygen (normoxia) or 85% oxygen (hyperoxia) for 14 days after birth...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29099972/factors-influencing-the-cardiovascular-response-to-subanesthetic-ketamine-a-randomized-placebo-controlled-trial
#7
Thomas Liebe, Shijia Li, Anton Lord, Lejla Colic, Anna Linda Krause, Anil Batra, Moritz A Kretzschmar, Catherine M Sweeney-Reed, Gusalija Behnisch, Björn H Schott, Martin Walter
Background: The increasing use of ketamine as a potential rapid-onset antidepressant necessitates a better understanding of its effects on blood pressure and heart rate, well-known side effects at higher doses. For the subanesthetic dose used for depression, potential predictors of these cardiovascular effects are important factors influencing clinical decisions. Since ketamine influences the sympathetic nervous system, we investigated the impact of autonomic nervous system-related factors on the cardiovascular response: a genetic polymorphism in the norepinephrine transporter and gender effects...
November 1, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29094875/heart-failure-with-preserved-ejection-fraction-diagnosis-and-management
#8
John D Gazewood, Patrick L Turner
Heart failure with preserved ejection fraction, also referred to as diastolic heart failure, causes almost one-half of the 5 million cases of heart failure in the United States. It is more common among older patients and women, and results from abnormalities of active ventricular relaxation and passive ventricular compliance, leading to a decline in stroke volume and cardiac output. Heart failure with preserved ejection fraction should be suspected in patients with typical symptoms (e.g., fatigue, weakness, dyspnea, orthopnea, paroxysmal nocturnal dyspnea, edema) and signs (S3 heart sound, displaced apical pulse, and jugular venous distension) of chronic heart failure...
November 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/29077476/can-speech-guided-breathing-influence-cardiovascular-regulation-and-mood-perception-in-hypertensive-patients
#9
Daniel Krüerke, Ana Paula Simões-Wüst, Christoph Kaufmann, Martina Frank, Alexander Faldey, Peter Heusser, Dietrich von Bonin
OBJECTIVES: Anthroposophic therapeutic speech (ATS) has been shown to positively influence heart rate variability (HRV) and cardiorespiratory coordination in healthy volunteers. This prospective, exploratory, pre-post study was performed to investigate ATS effects on baroreflex sensitivity (BRS), heart rate (HR), HRV by standard deviation of beat to beat intervals (SDNN), blood pressure (BP), and mood in hypertensive patients. DESIGN: Patients received three ATS treatments, alternating with three sham interventions (control)...
October 27, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/29066906/factors-associated-with-high-brachial-ankle-pulse-wave-velocity-in-non-hypertensive-and-appropriately-treated-hypertensive-patients-with-atherosclerotic-risk-factors
#10
Dai Ato, Toshitami Sawayama
While pulse wave velocity (PWV) correlates with blood pressure (BP), its extent differs between patients, and some cases of high PWV in normotensives are present. Moreover, PWV frequently remains high in hypertensive patients despite adequate BP control. The factors associated with such phenomena are yet to be elucidated. Here, we investigated the factors associated with brachial-ankle PWV (baPWV) in 107 patients whose systolic BP was under 140 mmHg at their latest baPWV measurement. There were 64 controlled hypertensives and 43 normotensives...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/29064336/the-effect-of-dim-light-at-night-on-cerebral-hemodynamic-oscillations-during-sleep-a-near-infrared-spectroscopy-study
#11
Tae-Joon Kim, Byeong Uk Lee, Jun-Sang Sunwoo, Jung-Ick Byun, Jangsup Moon, Soon-Tae Lee, Keun-Hwa Jung, Kon Chu, Manho Kim, Jong-Min Lim, Eunil Lee, Sang Kun Lee, Ki-Young Jung
Recent studies have reported that dim light at night (dLAN) is associated with risks of cardiovascular complications, such as hypertension and carotid atherosclerosis; however, little is known about the underlying mechanism. Here, we evaluated the effect of dLAN on the cerebrovascular system by analyzing cerebral hemodynamic oscillations using near-infrared spectroscopy (NIRS). Fourteen healthy male subjects underwent polysomnography coupled with cerebral NIRS. The data collected during sleep with dim light (10 lux) were compared with those collected during sleep under the control dark conditions for the sleep structure, cerebral hemodynamic oscillations, heart rate variability (HRV), and their electroencephalographic (EEG) power spectrum...
October 24, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29046768/smartphones-and-e-tablets-in-perioperative-medicine
#12
REVIEW
Frederic Michard
Smartphones and electronic tablets (e-tablets) have become ubiquitous devices. Their ease of use, smartness, accessibility, mobility and connectivity create unique opportunities to improve quality of surgical care from prehabilitation to rehabilitation. Before surgery, digital applications (Apps), serious games and text messaging may help for a better control of risk factors (hypertension, overweight), for smoking cessation, and for optimizing adherence to preoperative recommendations (e.g., regarding anticoagulation or antihypertensive treatments)...
October 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29038991/pathophysiological-and-therapeutic-implications-in-patients-with-atrial-fibrillation-and-heart-failure
#13
REVIEW
Felix Hohendanner, F R Heinzel, F Blaschke, B M Pieske, W Haverkamp, H L Boldt, A S Parwani
Heart failure and atrial fibrillation are common and responsible for significant mortality of patients. Both share the same risk factors like hypertension, ischemic heart disease, diabetes, obesity, arteriosclerosis, and age. A variety of microscopic and macroscopic changes favor the genesis of atrial fibrillation in patients with preexisting heart failure, altered subcellular Ca(2+) homeostasis leading to increased cellular automaticity as well as concomitant fibrosis that are induced by pressure/volume overload and altered neurohumoral states...
October 16, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29027653/comparison-of-dexmedetomidine-and-fentanyl-to-prevent-haemodynamic-response-to-skull-pin-application-in-neurosurgery-double-blind-randomized-controlled-trial
#14
Cattleya Thongrong, Pannawat Sirikannarat, Pornthep Kasemsiri, Pichayen Duangthongphon
BACKGROUND: Skull pin application during craniotomy is a highly noxious stimulus. Therefore, the attenuated effect between dexmedetomidine and fentanyl was investigated. METHOD: A randomized, double-blind controlled trial included sixty patients, randomly allocated into groups A and B. After patients entered the operative room, blood pressure and heart rate were measured (T1). At 5 minutes after propofol induction (T2), group A received dexmedetomidine 1 µg kg⁻¹ whereas group B received normal saline...
October 13, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/29026385/a-randomized-controlled-trial-to-assess-the-effect-of-a-ketamine-infusion-on-tourniquet-hypertension-during-general-anaesthesia-in-patients-undergoing-upper-and-lower-limb-surgery
#15
Joyce Ongaya, Vitalis Mung'ayi, Thikra Sharif, Jimmie Kabugi
BACKGROUND: Tourniquet hypertension arising from tourniquet inflation remains a primary concern to the anaesthetist. One drug commonly used to manage tourniquet hypertension is ketamine. No studies have examined the effect of ketamine on tourniquet hypertension for a period of more than one hour or an infusion of the same. OBJECTIVE: To compare the effect of an intravenous infusion of ketamine versus placebo on tourniquet induced hypertension in patients undergoing upper and lower limb surgery under general anaesthesia...
March 2017: African Health Sciences
https://www.readbyqxmd.com/read/29019518/prevalence-and-predictive-value-of-electrocardiographic-abnormalities-in-pulmonary-hypertension-evidence-from-the-pan-african-pulmonary-hypertension-cohort-papuco-study
#16
Irina Balieva, Anastase Dzudie, Friedrich Thienemann, Ana O Mocumbi, Kamilu Karaye, Mahmoud U Sani, Okechukwu S Ogah, Adriaan A Voors, Andre Pascal Kengne, Karen Sliwa
BACKGROUND: Pulmonary hypertension (PH) is prevalent in Africa and is still often diagnosed only at an advanced stage, therefore it is associated with poor quality of life and survival rates. In resource-limited settings, we assessed the diagnostic utility of standard 12-lead electrocardiograms (ECG) to detect abnormalities indicating PH. METHODS: Sixty-five patients diagnosed with PH were compared with 285 heart disease-free subjects. The prevalence and diagnostic performance of ECG features indicative of PH and right heart strain were calculated...
October 11, 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/29018535/left-ventricular-longitudinal-systolic-function-analysed-by-2d-speckle-tracking-echocardiography-in-heart-failure-with-preserved-ejection-fraction-a-meta-analysis
#17
Daniel Armando Morris, Xin-Xin Ma, Evgeny Belyavskiy, Radhakrishnan Aravind Kumar, Martin Kropf, Robin Kraft, Athanasios Frydas, Engin Osmanoglou, Esteban Marquez, Erwan Donal, Frank Edelmann, Carsten Tschöpe, Burkert Pieske, Elisabeth Pieske-Kraigher
BACKGROUND: The purpose of this meta-analysis was to confirm if the global longitudinal systolic function of the left ventricle (LV) is altered in patients with heart failure with preserved ejection fraction (HFpEF). METHODS: We searched in different databases (Medline, Embase and Cochrane) studies that analysed LV global longitudinal systolic strain (GLS) in patients with HFpEF and in controls (such as healthy subjects or asymptomatic patients with arterial hypertension, diabetes mellitus or coronary artery disease)...
2017: Open Heart
https://www.readbyqxmd.com/read/29016474/cardiac-autonomic-and-blood-pressure-responses-to-an-acute-bout-of-kettlebell-exercise
#18
Alexei Wong, Michael Nordvall, Michelle Walters-Edwards, Kevin Lastova, Gwendolyn Francavillo, Liane Summerfield, Marcos Sanchez-Gonzalez
Kettlebell (KB) training has become an extremely popular exercise program for improving both muscle strength and aerobic fitness. However, the cardiac autonomic modulation and blood pressure (BP) responses induced by an acute KB exercise session are currently unknown. Understanding the impact of this exercise modality on the post-exercise autonomic modulation and BP would facilitate appropriate exercise prescription in susceptible populations. The present study evaluated the effects of an acute session of KB exercise on heart rate variability (HRV) and BP responses in healthy individuals...
October 7, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28991110/photoplethysmography-and-heart-rate-variability-for-the-diagnosis-of-preeclampsia
#19
Tammy Y Euliano, Kostas Michalopoulos, Savyasachi Singh, Anthony R Gregg, Mariem Del Rio, Terrie Vasilopoulos, Amber M Johnson, Allison Onkala, Shalom Darmanjian, Neil R Euliano, Monique Ho
BACKGROUND: The goal of this study was to determine a set of timing, shape, and statistical features available through noninvasive monitoring of maternal electrocardiogram and photoplethysmography that identifies preeclamptic patients. METHODS: Pregnant women admitted to Labor and Delivery were monitored with pulse oximetry and electrocardiogram for 30 minutes. Photoplethysmogram features and heart rate variability were extracted from each data set and applied to a sequential feature selection algorithm to discriminate women with preeclampsia with severe features, from normotensive and hypertensive controls...
October 5, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28987432/abdominal-aortic-emergencies
#20
REVIEW
Christie Lech, Anand Swaminathan
This article discusses abdominal aortic emergencies. There is a common thread of risk factors and causes of these diseases, including age, male gender, hypertension, dyslipidemia, and connective tissue disorders. The most common presenting symptom of these disorders is pain, usually in the chest, flank, abdomen, or back. Computed tomography scan is the gold standard for diagnosis of pathologic conditions of the aorta in the hemodynamically stable patient. Treatment consists of a combination of blood pressure and heart rate control and, in many cases, emergent surgical intervention...
November 2017: Emergency Medicine Clinics of North America
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