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https://www.readbyqxmd.com/read/29335617/cardiovascular-function-of-modern-pigs-does-not-comply-with-allometric-scaling-laws
#1
Gerard J van Essen, Maaike Te Lintel Hekkert, Oana Sorop, Ilkka Heinonen, Jolanda van der Velden, Daphne Merkus, Dirk J Duncker
Growing concerns have been expressed regarding cardiovascular performance in modern farm pigs, which has been proposed as a critical factor contributing to the reduced adaptability of modern pigs to stress. Here we tested the hypothesis that cardiac dimensions and pump function in modern heavy farm pigs are disproportionally low for their body weight, and investigated potential underlying mechanisms. The results from the present study indeed demonstrate disproportionally low values for stroke volume and cardiac output in pigs with bodyweights over 150 kg...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29331952/inter-relationship-between-ocular-perfusion-pressure-blood-pressure-intraocular-pressure-profiles-and-primary-open-angle-glaucoma-the-singapore-epidemiology-of-eye-diseases-study
#2
Yih-Chung Tham, Sing-Hui Lim, Preeti Gupta, Tin Aung, Tien Y Wong, Ching-Yu Cheng
OBJECTIVE: To elucidate the inter-relationship between ocular perfusion pressure (OPP), blood pressure (BP), intraocular pressure (IOP) profiles and primary open-angle glaucoma (POAG) in a multiethnic Asian population. METHODS: Participants were recruited from the Singapore Epidemiology of Eye Diseases Study and underwent standardised ocular and systemic examinations. POAG was defined according to the International Society for Geographical and Epidemiological Ophthalmology criteria...
January 13, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29331234/metabolic-syndrome-hypertension-and-hyperlipidemia-in-mothers-fathers-sisters-and-brothers-of-women-with-polycystic-ovary-syndrome-a-systematic-review-and-meta-analysis
#3
Bulent Yilmaz, Priyathama Vellanki, Baris Ata, Bulent Okan Yildiz
OBJECTIVE: To provide an evidence-based assessment of metabolic syndrome, hypertension, and hyperlipidemia in first-degree relatives of women with polycystic ovary syndrome (PCOS). DESIGN: Systematic review and meta-analysis. SETTING: Not applicable. PATIENT(S): Mothers, fathers, sisters, and brothers of women with and without PCOS. INTERVENTION(S): An electronic-based search with the use of PubMed from 1960 to June 2015 and cross-checked references of relevant articles...
January 11, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29330703/association-between-atrial-ventricular-and-vascular-morphofunctional-alterations-in-rheumatoid-arthritis
#4
Alessandro Maloberti, Marta Riva, Marijana Tadic, Carlo Valena, Paolo Villa, Ilenia Boggioni, Maria Rosa Pozzi, Guido Grassi
INTRODUCTION: Rheumatoid arthritis (RA) represents a risk of non-fatal and cardiovascular events. The aim of the present study was to evaluate simultaneously left and right atrial and ventricular function, as well as arterial stiffness, in RA patients. METHODS: This cross-sectional study included 55 consecutive RA patients and 55 healthy age and gender-matched controls. Blood pressure and arterial stiffness were assessed in all participants, who also underwent a complete echocardiographic examination...
January 12, 2018: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/29330660/theobromine-consumption-does-not-improve-fasting-and-postprandial-vascular-function-in-overweight-and-obese-subjects
#5
Lotte Smolders, Ronald P Mensink, Jose J van den Driessche, Peter J Joris, Jogchum Plat
BACKGOUND: Theobromine, a component of cocoa, may favorably affect conventional lipid-related cardiovascular risk markers, but effects on flow-mediated dilation (FMD) and other vascular function markers are not known. OBJECTIVE: To evaluate the effects of 4-week theobromine consumption (500 mg/day) on fasting and postprandial vascular function markers. DESIGN: In a randomized, double-blind crossover study, 44 apparently healthy overweight (N = 30) and obese (N = 14) men and women with low HDL-C concentrations, consumed daily 500 mg theobromine or placebo for 4 weeks...
January 12, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29329778/high-intensity-interval-training-versus-continuous-training-on-physiological-and-metabolic-variables-in-prediabetes-and-type-2-diabetes-a-meta-analysis
#6
REVIEW
Angélica Trevisan De Nardi, Tainara Tolves, Thatiane Larissa Lenzi, Luis Ulisses Signori, Antônio Marcos Vargas da Silva
AIMS: To compare the effects of high-intensity interval training (HIIT) versus moderate-intensity continuous training (MICT) on functional capacity and cardiometabolic markers in individuals prediabetes and type 2 diabetes (T2D). METHODS: The search was performed in PubMed (MEDLINE), EMBASE, PEDro, CENTRAL, Scopus, LILACS database, and Clinical Trials from the inception to July 2017, included randomized clinical trials that compared the use of HIIT and MICT in prediabetes and T2D adults...
January 9, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29326113/acute-heart-failure-with-new-onset-continuous-murmur-in-a-26-year-old-man
#7
Yi-Chen Wang, Chen-Wei Huang, Ting-Wei Lin
CLINICAL INTRODUCTION: A 26-year-old man with an unremarkable medical history sensed a momentary retrosternal 'pop' followed by overwhelming dyspnoea, without reporting any prodromal symptoms. At the emergency department, he had a significant tachycardia (170 bpm) and an extreme low diastolic blood pressure (<30 mm Hg). A loud, harsh and continuous murmur could be maximally auscultated at the right lower sternal border. ECG revealed global ST depression with ST elevation in lead aVR...
January 11, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29325370/-association-between-carotid-artery-plaques-and-all-cause-mortality-and-cardiovascular-events
#8
W Li, F Ma, Y M Jiang, J J Li, L Song, S H Chen, X M Liu, X Q Li, S L Wu
Objective: To observe the association of carotid artery plaque with all-cause mortality and cardiovascular events. Methods: A total of 7 017 participants who completed the carotid sonography examination between 2010 and 2011 were selected from the stroke and the elderly prospective cohort Kailuan study. The participants of stroke cohort received health examination between 2006 and 2007, and participants of elderly cohort received health examination between 2010 and 2011. All participants were divided into plaque group (3 285 cases) and without plaque group (3 732 cases) according to with or without carotid artery plaque...
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29325136/haemodynamic-performance-of-afx-and-nellix-endografts-a-computational-fluid-dynamics-study
#9
Anastasios Raptis, Michalis Xenos, George Kouvelos, Athanasios Giannoukas, Miltiadis Matsagkas
OBJECTIVES: The objective of this study is to analyse the flow conditions in the AFX and Nellix endografts (EGs) accounting for their postimplantation configuration in patients with an endovascular aneurysm repair-treated abdominal aortic aneurysm. METHODS: We reconstructed post-endovascular aneurysm repair computed tomography scans of patients treated with an AFX or Nellix EG creating post-implantation EG models. We examined 16 patients, 8 in each group. The blood flow properties were obtained by computational fluid dynamics simulations and were subsequently compared with physiological infrarenal blood flow properties measured in 5 healthy subjects...
January 8, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29322696/the-j-curve-between-diastolic-blood-pressure-and-risk-of-all-cause-and-cardiovascular-death
#10
Heejin Kimm, Yejin Mok, Sun Ju Lee, Sunmi Lee, Joung Hwan Back, Sun Ha Jee
BACKGROUND AND OBJECTIVES: The J-curve phenomenon between diastolic blood pressure (DBP) and mortality has been reported repeatedly in treated patients. However, the baseline risk of low DBP has not been fully explored. This study was to examine the relationship between DBP and risk of mortality from all-cause, atherosclerotic vascular diseases (ASCVD), and ischemic heart disease (IHD) using a prospective cohort of general population. METHODS: We analyzed 1,234,435 participants of the Korean Cancer Prevention Study cohort (789,255 men, 30-95 years of age) who had a medical evaluation from 1992 to 1995 using Cox proportional hazards models...
January 2018: Korean Circulation Journal
https://www.readbyqxmd.com/read/29321118/a-comparison-of-carotid-doppler-ultrasonography-and-capnography-in-evaluating-the-efficacy-of-cardiopulmonary-resuscitation-the-first-study
#11
Gökhan Yilmaz, Mustafa Silcan, Süha Serin, Bahadır Caglar, Özkan Erarslan, İsmet Parlak
INTRODUCTION AND PURPOSE: The end-tidal carbon dioxide (ETCO2) measurement is accepted as the gold standard method for assessing cardiopulmonary resuscitation (CPR) efficacy. In recent studies, the use of Carotid Doppler Ultrasonography has become widespread in showing CPR efficacy. In the present study, the carotid blood flow measurement was compared with ETCO2 measurement and an evaluation was made of whether this method could be used as an alternative method to capnography in the assessment of CPR efficacy...
January 6, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29321031/deprescribing-preventive-cardiovascular-medication-in-patients-with-predicted-low-cardiovascular-disease-risk-in-general-practice-the-ecstatic-study-a-cluster-randomised-non-inferiority-trial
#12
Clare H Luymes, Rosalinde K E Poortvliet, Nan van Geloven, Margot W M de Waal, Yvonne M Drewes, Jeanet W Blom, Nynke Smidt, Willem J J Assendelft, Wilbert B van den Hout, Wouter de Ruijter, Mattijs E Numans
BACKGROUND: The use of cardiovascular medication for the primary prevention of cardiovascular disease (CVD) is potentially inappropriate when potential risks outweigh the potential benefits. It is unknown whether deprescribing preventive cardiovascular medication in patients without a strict indication for such medication is safe and cost-effective in general practice. METHODS: In this pragmatic cluster randomised controlled non-inferiority trial, we recruited 46 general practices in the Netherlands...
January 11, 2018: BMC Medicine
https://www.readbyqxmd.com/read/29316181/heart-rate-variability-and-baroreflex-sensitivity-in-bilateral-lung-transplant-recipients
#13
Timothée Fontolliet, Pietro Gianella, Vincent Pichot, Jean-Claude Barthélémy, Paola Gasche-Soccal, Guido Ferretti, Frédéric Lador
The effects of lung afferents denervation on cardiovascular regulation can be assessed on bilateral lung transplantation patients. The high-frequency component of heart rate variability is known to be synchronous with breathing frequency. Then, if heart beat is neurally modulated by breathing frequency, we may expect disappearance of high frequency of heart rate variability in bilateral lung transplantation patients. On 11 patients and 11 matching healthy controls, we measured R-R interval (electrocardiography), blood pressure (Portapres® ) and breathing frequency (ultrasonic device) in supine rest, during 10-min free breathing, 10-min cadenced breathing (0·25 Hz) and 5-min handgrip...
January 9, 2018: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/29314455/association-between-mean-systolic-and-diastolic-blood-pressure-throughout-the-follow-up-and-cardiovascular-events-in-acute-myocardial-infarction-patients-with-systolic-dysfunction-and-or-heart-failure-an-analysis-from-the-high-risk-myocardial-infarction-database
#14
João Pedro Ferreira, Kevin Duarte, Marc A Pfeffer, John J V McMurray, Bertram Pitt, Kenneth Dickstein, Faiez Zannad, Patrick Rossignol
BACKGROUND: Observational data have described the association of blood pressure (BP) with mortality as 'J-shaped', meaning that mortality rates increase below a certain BP threshold. We aimed to analyse the associations between BP and prognosis in a population of acute myocardial infarction (MI) patients with heart failure (HF) and/or systolic dysfunction. METHODS AND RESULTS: The datasets included in this pooling initiative are derived from four trials: CAPRICORN, EPHESUS, OPTIMAAL, and VALIANT...
January 4, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29313754/adipoq-45t%C3%A2-g-polymorphism-food-ingestion-and-metabolic-syndrome-in-elderly-persons
#15
Vanessa R Retamoso, Patrícia Maurer, Lyana B Feijóo, Graziela M S Tavares, Vanusa Manfredini, Jacqueline C E Piccoli
INTRODUCTION: The current nutritional transition process contributes further to accelerate the onset of metabolic disorders, as do a number of environmental factors that lead to the diagnosis of chronic diseases, as a diet of low nutritional value, is possibly related to the incidence of metabolic syndrome. In addition to these factors, metabolic syndrome may also be related to genetic factors, the ADIPOQ + 45T> G polymorphism has been associated with serum adiponectin levels, insulin sensitivity, and obesity, which affects adiponectin levels act as protective factor for cardiovascular disease...
January 9, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29311252/pazopanib-induced-hypertension-in-patients-with-renal-cell-carcinoma-is-associated-with-low-urine-excretion-of-no-metabolites
#16
Anne Robdrup Tinning, Camilla Bengtsen, Niels Viggo Jensen, Lars Bastholt, Boye Lagerbon Jensen, Kirsten Madsen
Drugs targeting VEGF (vascular endothelial growth factor) are often associated with rapid development of hypertension by a yet not fully understood mechanism. VEGF is expressed in renal epithelial cells and stimulates NO production. In the renal medulla, inhibition of NO formation by local L-NAME or by impaired endothelin-1 leads to hypertension. The present study was designed to test the hypothesis that VEGF receptor inhibitor treatment leads to hypertension through decreased renal medullary formation of NO and endothelin-1...
January 8, 2018: Hypertension
https://www.readbyqxmd.com/read/29310962/glaucomatous-optic-neuropathy-associated-with-nocturnal-dip-in-blood-pressure-findings-from-the-maracaibo-aging-study
#17
Jesús D Melgarejo, Joseph H Lee, Michele Petitto, Juan B Yépez, Felipe A Murati, Zhezhen Jin, Carlos A Chávez, Rosa V Pirela, Gustavo E Calmón, Winston Lee, Matthew P Johnson, Luis J Mena, Lama A Al-Aswad, Joseph D Terwilliger, Rando Allikmets, Gladys E Maestre, C Gustavo De Moraes
PURPOSE: To determine which nocturnal blood pressure (BP) parameters (low levels or extreme dipper status) are associated with an increased risk of glaucomatous damage in Hispanics. DESIGN: Observational cross-sectional study. PARTICIPANTS: A subset (n = 93) of the participants from the Maracaibo Aging Study (MAS) who met the study eligibility criteria were included. These participants, who were at least 40 years of age, had measurements for optical tomography coherence, visual field (VF) tests, 24-hour BP, office BP, and intraocular pressure <22 mmHg...
January 5, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29310653/effect-of-soy-lecithin-on-fatigue-and-menopausal-symptoms-in-middle-aged-women-a-randomized-double-blind-placebo-controlled-study
#18
Asuka Hirose, Masakazu Terauchi, Yurika Osaka, Mihoko Akiyoshi, Kiyoko Kato, Naoyuki Miyasaka
BACKGROUND: Lecithin is a complex mixture of phospholipids which compose lipid bilayer cell membranes. Lipid replacement therapy, or administration of phospholipids for the purpose of repairing the dmaged cell membranes, had been shown to alleviate fatigue. The present study aimed to investigate the effect of soy lecithin on fatigue in middle-aged women, as well as other menopausal symptoms and various health parameters. METHODS: This randomized, double-blind, placebo-controlled study included 96 women aged 40 to 60 years who complained of fatigue...
January 8, 2018: Nutrition Journal
https://www.readbyqxmd.com/read/29306895/impact-of-aging-on-the-strength-of-cardiovascular-risk-factors-a-longitudinal-study-over-40-years
#19
Lars Lind, Johan Sundström, Johan Ärnlöv, Erik Lampa
BACKGROUND: The knowledge of the impact of cardiovascular risk factors at different ages has mainly been based on different studies performed at different ages. This study aimed to investigate the change in impact of traditional cardiovascular risk factors over the aging process in subjects followed for 4 decades. METHODS AND RESULTS: In the ULSAM (Uppsala Longitudinal Study of Adult Men) study, 2322 men originally investigated in 1970 to 1974 have been followed regarding cardiovascular diseases until the end of 2013...
January 6, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29305933/effects-of-weight-loss-medications-on-cardiometabolic-risk-profiles-a-systematic-review-and-network-meta-analysis
#20
Rohan Khera, Ambarish Pandey, Apoorva K Chandar, Mohammad H Murad, Larry J Prokop, Ian J Neeland, Jarett Berry, Michael Camilleri, Siddharth Singh
BACKGROUND & AIMS: We performed a systematic review and network meta-analysis to evaluate the overall and comparative effects of weight-loss medications, approved by the Food and Drug Administration (FDA) for long-term use, on cardiometabolic risk profiles of obese adults. METHODS: We performed a systematic literature review through February 28, 2017 to identify randomized clinical trials of the effects of FDA-approved weight loss medications (orlistat, lorcaserin, naltrexone-bupropion, phentermine-topiramate, and liraglutide), administered to obese adults for 1 year or more, compared with placebo or another active agent...
January 3, 2018: Gastroenterology
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