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https://www.readbyqxmd.com/read/28811382/an-engineered-s1p-chaperone-attenuates-hypertension-and-ischemic-injury
#1
Steven L Swendeman, Yuquan Xiong, Anna Cantalupo, Hui Yuan, Nathalie Burg, Yu Hisano, Andreane Cartier, Catherine H Liu, Eric Engelbrecht, Victoria Blaho, Yi Zhang, Keisuke Yanagida, Sylvain Galvani, Hideru Obinata, Jane E Salmon, Teresa Sanchez, Annarita Di Lorenzo, Timothy Hla
Endothelial dysfunction, a hallmark of vascular disease, is restored by plasma high-density lipoprotein (HDL). However, a generalized increase in HDL abundance is not beneficial, suggesting that specific HDL species mediate protective effects. Apolipoprotein M-containing HDL (ApoM(+)HDL), which carries the bioactive lipid sphingosine 1-phosphate (S1P), promotes endothelial function by activating G protein-coupled S1P receptors. Moreover, HDL-bound S1P is limiting in several inflammatory, metabolic, and vascular diseases...
August 15, 2017: Science Signaling
https://www.readbyqxmd.com/read/28804899/coronary-artery-disease-and-risk-of-adverse-cardiac-events-and-stroke
#2
Kevin Kris Warnakula Olesen, Morten Madsen, Gregory Lip, Gro Egholm, Troels Thim, Lisette Okkels Jensen, Bent Raungaard, Jens Cosedis Nielsen, Hans Erik, Henrik Toft Sørensen, Michael Maeng
BACKGROUND: Patients with acute myocardial infarction are at increased risk of ischemic stroke. Previous myocardial infarction is an important part of risk assessment for ischemic stroke. However, there is a lack of information regarding the association between the severity and extent of coronary artery disease and long-term risk of ischemic stroke. MATERIALS AND METHODS: A cohort study of coronary angiographies performed in Western Denmark from January 1, 2003 to December 31, 2012...
August 14, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28804535/hongjingtian-injection-attenuates-myocardial-oxidative-damage-via-promoting-autophagy-and-inhibiting-apoptosis
#3
Shujing Zhang, Ling Zhang, Han Zhang, Guanwei Fan, Jiuwen Qiu, Zongbao Fang, Haibo Wu, Yi Wang, Xiaoping Zhao
Natural products with antioxidative activities are widely applied to prevent and treat various oxidative stress related diseases, including ischemic heart disease. However, the cellular and molecular mechanisms of those therapies are still needed to be illustrated. In this study, we characterized the cardioprotective effects of Hongjingtian Injection (HJT), an extensively used botanical drug for treating coronary heart disease. The H/R-induced profound elevation of oxidative stress was suppressed by HJT. HJT also attenuates oxidative injury by promoting cell viability, intracellular ATP contents, and mitochondrial oxygen consumption...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28801075/doppler-assessment-of-diastolic-function-reflect-the-severity-of-injury-in-rats-with-chronic-heart-failure
#4
Pablo Sanchez, Jordan J Lancaster, Kyle Weigand, Saffie-Alrahman Ezz-Eldin Mohran, Steven Goldman, Elizabeth Juneman
OBJECTIVE: For chronic heart failure (CHF), more emphasis has been placed on evaluation of systolic as opposed to diastolic function. Within the study of diastology, measurements of left ventricular (LV) longitudinal myocardial relaxation have the most validation. Anterior wall radial myocardial tissue relaxation velocities along with mitral valve inflow (MVI) patterns are applicable diastolic parameters in the differentiation between moderate and severe disease in the ischemic rat model of CHF...
August 8, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28799249/opposing-effects-on-cardiac-function-by-calorie-restriction-in-different-aged-mice
#5
Yunlu Sheng, Shan Lv, Min Huang, Yifan Lv, Jing Yu, Juan Liu, Tingting Tang, Hanmei Qi, Wenjuan Di, Guoxian Ding
Calorie restriction (CR) increases average and maximum lifespan and exhibits an apparent beneficial impact on age-related diseases. Several studies have shown that CR initiated either in middle or old age could improve ischemic tolerance and rejuvenate the aging heart; however, the data are not uniform when initiated in young. The accurate time to initiate CR providing maximum benefits for cardiac remodeling and function during aging remains unclear. Thus, whether a similar degree of CR initiated in mice of different ages could exert a similar effect on myocardial protection was investigated in this study...
August 11, 2017: Aging Cell
https://www.readbyqxmd.com/read/28798990/myocardial-123-i-metaiodobenzylguanidine-imaging-in-hypertension-and-left-ventricular-hypertrophy
#6
Riccardo Liga, Alessia Gimelli, Paolo Marzullo, Giuseppe Ambrosio, Matteo Cameli, Elisabetta Cerbai, Stefano Coiro, Michele Emdin, Rossella Marcucci, Doralisa Morrone, Alberto Palazzuoli, Anna Sonia Petronio, Ketty Savino, Luigi Padeletti, Roberto Pedrinelli
Sympathetic nervous system plays a pivotal role in essential hypertension and in the development of left ventricular hypertrophy. Moreover, cardiac sympathetic dys-regulation has been demonstrated as a key con-causal factor in the genesis and progression of pathologic conditions such as congestive heart failure and ischemic heart disease to which hypertension predisposes as a risk factor. However, despite its fundamental role in cardiac pathophysiology, the evaluation of cardiac sympathetic nervous system has never gained a wide clinical application, remaining mostly a research tool...
August 10, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28798965/increased-afterload-following-myocardial-infarction-promotes-conduction-dependent-arrhythmias-that-are-unmasked-by-hypokalemia
#7
Lukas J Motloch, Kiyotake Ishikawa, Chaoqin Xie, Jun Hu, Jaume Aguero, Kenneth M Fish, Roger J Hajjar, Fadi G Akar
Although the pathophysiological significance of resistant hypertension in post-myocardial infarction (MI) patients is established, mechanisms by which increased afterload in that setting worsens outcome are unclear. With regards to sudden cardiac death, whether increased afterload alters the electrophysiological substrate following MI is unknown. We established a new large animal model of chronic post-MI remodeling with increased afterload which exhibits widespread deposition of fibrosis in remote areas from the anterior MI, mimicking the disease phenotype of patients with advanced ischemic heart disease...
June 2017: JACC. Basic to Translational Science
https://www.readbyqxmd.com/read/28798781/association-of-coronary-ischemia-estimated-by-fractional-flow-reserve-and-psychological-characteristics-of-patients
#8
Miodrag Jovan Sreckovic, Nikola Jagic, Vladimir Miloradovic, Aleksandar Neskovic, Ivan Soldatovic, Ilija Srdanovic
INTRODUCTION: Psychological characteristics of patients, depression, stress and anxiety are recognized as important confounding risk factors for ischemic heart disease. However, the impact of psychological characteristics on coronary ischemia and vice versa remain poorly understood. AIM: To demonstrate the interplay of psychological characteristics, depression, stress and anxiety with coronary ischemia estimated with fractional flow reserve (FFR). MATERIAL AND METHODS: From 2014 to 2016, 147 patients who were planned for FFR measurement were included in this study...
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/28798077/cardiovascular-susceptibility-to-in-vivo-ischemic-myocardial-injury-in-male-and-female-rat-offspring-exposed-to-prenatal-hypoxia
#9
Amin Shah, Nobutoshi Matsumura, Anita Quon, Jude S Morton, Jason R B Dyck, Sandra T Davidge
Intrauterine growth restriction (IUGR) following prenatal hypoxia exposure leads to a higher risk of developing cardiovascular disease (CVD) in later life. Our aim was to evaluate cardiac susceptibility and its pathophysiological mechanisms following acute myocardial infarction (MI) in adult rat offspring exposed to prenatal hypoxia. Male and female rat offspring, which experienced normoxia (21% O2) or hypoxia (11% O2) in utero underwent sham or MI surgery at 12 weeks of age. Echocardiographic data revealed that both sexes had systolic dysfunction following MI surgery, independent of prenatal hypoxia...
September 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28796845/improved-early-risk-stratification-of-patients-with-st-segment-elevation-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention-using-a-combination-of-serum-soluble-st2-and-nt-probnp
#10
Jongwook Yu, Pyung Chun Oh, Minsu Kim, Jeonggeun Moon, Yae Min Park, Kyounghoon Lee, Soon Yong Suh, Seung Hwan Han, Kyunghee Byun, Taehoon Ahn, Woong Chol Kang
BACKGROUND: Although soluble suppression of tumorigenicity 2 (sST2) in serum is known to be associated with ischemic heart disease and heart failure, data regarding its prognostic impact in ST-segment elevation myocardial infarction (STEMI) is limited. We evaluated the prognostic impacts of serum sST2 and other serum biomarkers in STEMI patients undergoing primary percutaneous coronary intervention (PCI). METHODS: Consecutive all 323 patients with STEMI that underwent primary PCI were enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28794105/left-ventricular-diastolic-dysfunction-in-women-with-non-obstructive-ischemic-heart-disease-insights-from-magnetic-resonance-imaging-and-spectroscopy
#11
Michael D Nelson
Ischemic Heart Disease, in the absence of obstructive coronary artery disease, is prevalent in women, and constitutes a major risk factor for developing major adverse cardiovascular events, including myocardial infarction, stroke, and heart failure. For decades, diagnosis was considered benign and often minimized; however, it is now known that this etiology caries much risk and is a significant burden to the health care system. This review summarizes the current state-of-knowledge on non-obstructive ischemic heart disease (NOIHD), the association between NOIHD and left ventricular diastolic dysfunction, potential links between NOIHD and the development of heart failure with preserved ejection fraction (HFpEF), and therapeutic options and knowledge gaps for patients living with NOIHD...
August 9, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28793994/dietary-fatty-acid-intake-after-myocardial-infarction-a-theoretical-substitution-analysis-of-the-alpha-omega-cohort
#12
Famke Jm Mölenberg, Janette de Goede, Anne J Wanders, Peter L Zock, Daan Kromhout, Johanna M Geleijnse
Background: Replacement of saturated fatty acids (SFAs) with unsaturated fatty acids (UFAs), especially polyunsaturated fatty acids (PUFAs), has been associated with a lower risk of ischemic heart disease (IHD). Whether this replacement is beneficial for drug-treated patients with cardiac disease is not yet clear.Objective: In a prospective study of Dutch patients with cardiac disease (Alpha Omega Cohort), we examined the risk of cardiovascular disease (CVD) and IHD mortality when the sum of SFAs and trans fatty acids (TFAs) was theoretically replaced by total UFAs, PUFAs, or cis monounsaturated fatty acids (MUFAs)...
August 9, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28790281/-perioperative-management-for-prevention-of-cardiac-complications-in-general-thoracic-surgery
#13
Terumoto Koike, Masanori Tsuchida
For general thoracic surgeons, perioperative management for prevention of cardiac complications is important because patients undergoing general thoracic surgery often have risk factors for cardiac disease. Sever cardiac failure should be detected and treated prior to surgery, and coronary artery may be examined in patients with risk factors for ischemic heart disease. Pulmonary resection sometimes causes right-sided heart failure due to reducing pulmonary vascular bed. In high-risk patients for rightsided heart failure, pulmonary artery pressure monitoring by right heart catheterization should be considered in addition to blood pressure and central venous pressure monitoring, and precise fluid management is required...
July 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28781023/comparison-of-30-day-readmission-rates-after-hospitalization-for-acute-myocardial-infarction-in-men-versus-women
#14
Cashel O'Brien, Linda Valsdottir, Jason H Wasfy, Jordan B Strom, Eric A Secemsky, Yun Wang, Robert W Yeh
Readmission after hospitalization for acute myocardial infarction (AMI) significantly contributes to preventable morbidity and health-care costs. Outcomes after AMI vary by sex but the relationship of sex to readmissions warrants further exploration. Using the 2013 Nationwide Readmissions Database, we identified patients with a principal discharge diagnosis of AMI and stratified all-cause 30-day readmissions by sex and age. Of 214,824 patients, 44% were 18 to 64 years of age, 56% were ≥65 years, and 28% and 45%, respectively, were female...
July 14, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28780510/reduced-antiplatelet-effect-of-aspirin-does-not-predict-cardiovascular-events-in-patients-with-stable-coronary-artery-disease
#15
Sanne Bøjet Larsen, Erik Lerkevang Grove, Søs Neergaard-Petersen, Morten Würtz, Anne-Mette Hvas, Steen Dalby Kristensen
BACKGROUND: Increased platelet aggregation during antiplatelet therapy may predict cardiovascular events in patients with coronary artery disease. The majority of these patients receive aspirin monotherapy. We aimed to investigate whether high platelet-aggregation levels predict cardiovascular events in stable coronary artery disease patients treated with aspirin. METHODS AND RESULTS: We included 900 stable coronary artery disease patients with either previous myocardial infarction, type 2 diabetes mellitus, or both...
August 5, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28776067/determinants-of-survival-and-favorable-neurologic-outcomes-in-ischemic-heart-disease-treated-by-veno-arterial-extracorporeal-membrane-oxygenation
#16
Keisuke Yonezu, Kenichi Sakakura, Yusuke Watanabe, Yousuke Taniguchi, Kei Yamamoto, Hiroshi Wada, Shin-Ichi Momomura, Hideo Fujita
Overall mortality and neurologic outcome of patients treated by veno-arterial extracorporeal membrane oxygenation (V-A ECMO) was still not satisfactory. The aim of this study was to clarify the determinants of survival and favorable neurologic outcomes in patients with ischemic heart disease (IHD) treated by V-A ECMO. We identified IHD patients who received V-A ECMO, and divided those patients into the survived and the in-hospital death group. Multivariate logistic regression analysis was performed to identify the determinants of survival and favorable neurologic outcomes...
August 3, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28775200/prognostic-value-of-123-i-betamethyl-p-iodophenyl-pentadecanoic-acid-single-photon-emission-computed-tomography-in-patients-with-non-ischemic-heart-failure-with-preserved-ejection-fraction
#17
Hidenobu Hashimoto, Rine Nakanishi, Sunao Mizumura, Yukiko Hashimoto, Yuriko Okamura, Shunsuke Kiuchi, Junichi Yamazaki, Takanori Ikeda
Myocardial fatty acid metabolism imaging using (123)I-betamethyl-p-iodophenyl-pentadecanoic acid single-photon emission computed tomography (BMIPP-SPECT) is a useful modality for identifying high-risk patients with known ischemic heart disease. However, its utility for patients with non-ischemic heart failure with preserved ejection fraction (NIHFpEF) is not well-known. This study aims to evaluate the prognostic value of BMIPP defect score (BDS) in patients presenting with NIHFpEF. Methods: Of 804 consecutive patients who were admitted to the hospital because of acute HF and underwent BMIPP-SPECT, we identified 133 patients (73±13 years) who had normal coronary artery by invasive coronary angiography and preserved left ventricular ejection fraction (≥50%) by echocardiography...
August 3, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28774633/trends-in-hospitalization-and-mortality-rates-due-to-acute-cardiovascular-disease-in-castile-and-le%C3%A3-n-2001-to-2015
#18
Juan B López-Messa, Jesús M Andrés-de Llano, Laura López-Fernández, Jesús García-Cruces, Julio García-Crespo, Miryam Prieto González
INTRODUCTION AND OBJECTIVES: To analyze hospitalization and mortality rates due to acute cardiovascular disease (ACVD). METHODS: We conducted a cross-sectional study of the hospital discharge database of Castile and León from 2001 to 2015, selecting patients with a principal discharge diagnosis of acute myocardial infarction (AMI), unstable angina, heart failure, or acute ischemic stroke (AIS). Trends in the rates of hospitalization/100 000 inhabitants/y and hospital mortality/1000 hospitalizations/y, overall and by sex, were studied by joinpoint regression analysis...
July 31, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28770211/prognostic-value-of-circulating-inflammatory-cells-in-patients-with-stable-and-acute-coronary-artery-disease
#19
REVIEW
John A L Meeuwsen, Marian Wesseling, Imo E Hoefer, Saskia C A de Jager
Atherosclerosis is a lipid driven chronic inflammatory disease underlying the majority of ischemic events such as myocardial infarction or stroke. Clinical management of ischemic events has improved considerably in the past decades. Accordingly, survival rates have increased. Nevertheless, 12% of patients die within 6 months after the initial event. To improve secondary prevention, appropriate risk prediction is key. However, up to date, there is no clinically available routine marker to identify patients at high risk for recurrent cardiovascular events...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28768055/harnessing-cxcr4-antagonists-in-stem-cell-mobilization-hiv-infection-ischemic-diseases-and-oncology
#20
REVIEW
Lun Kelvin Tsou, Ying-Huey Huang, Jen-Shin Song, Yi-Yu Ke, Jing-Kai Huang, Kak-Shan Shia
CXCR4 antagonists (e.g., Plerixafor(TM) ) have been successfully validated as stem cell mobilizers for peripheral blood stem cell transplantation. Applications of the CXCR4 antagonists have heralded the era of cell-based therapy and opened a potential therapeutic horizon for many unmet medical needs such as kidney injury, ischemic stroke, cancer, and myocardial infarction. In this review, we first introduce the central role of CXCR4 in diverse cellular signaling pathways and discuss its involvement in several disease progressions...
August 2, 2017: Medicinal Research Reviews
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