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https://www.readbyqxmd.com/read/28550587/epicardial-adipose-tissue-is-associated-with-high-risk-plaque-feature-progression-in-non-culprit-lesions
#1
Yahang Tan, Jia Zhou, Ying Zhou, Xiaobo Yang, Jing Wang, Yundai Chen
Several studies have suggested a link between epicardial adipose tissue (EAT) volume and high-risk plaques (HRPs); however, little is known about the association between EAT volume and HRP progression in non-culprit lesions (NCLs). Therefore, we evaluated whether EAT can independently predict HRP characteristic progression in NCLs by coronary computed tomography angiography (CCTA). In this single-centre trial, we analysed 131 consecutive patients (median age 61 years, male 72.52%) undergoing CCTA with percutaneous coronary intervention (PCI) for culprit lesions...
May 26, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28550355/coronary-computed-tomography-angiography-using-128-slice-dual-source-computed-tomography-in-patients-with-severe-calcification
#2
Suguru Sato, Yosuke Horii, Norihiko Yoshimura, Takuya Yagi, Hidefumi Aoyama
PURPOSE: To compare coronary computed tomography angiography (CTA) and coronary angiography (CAG) with regard to luminal graphic definition of calcified segments using 128-slice dual-source computed tomography (DSCT), specifically for patients with an Agatston score >400. MATERIALS AND METHODS: Of 1148 consecutive patients who underwent coronary CTA using a 128-slice DSCT, 132 subjects had severe calcification with an Agatston score >400. Thirty-nine of the 132 patients who had undergone CAG within 3 months before or after coronary CTA were included...
May 26, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28550240/the-role-of-gst-polymorphism-in-reperfusion-induced-oxidative-stress-inflammatory-responses-and-clinical-complications-after-surgical-and-percutaneous-coronary-intervention
#3
Örs Pintér, Péter Hardi, Tibor Nagy, Balázs Gasz, Viktoria Kovács, Endre Arató, László Sínay, László Lénárd, Gábor Jancsó
BACKGROUND: Patients having coronary artery disease treated by coronary bypass or PCI procedure are exposed to tissue damage because of the phenomenon called reperfusion injury. Reperfusion injury can be characterized/monitored by oxidative stress parameters, inflammatory markers and by post-operative complication rate. OBJECTIVE: Beyond the obvious factors determining its severity (affected myocardial mass, ischaemic time, collateral circulation etc.) we examined the GST enzyme group's most cardio selective member, GSTP1 and its genetic polymorphism if there is any genetically determined preventive effect on the above-mentioned parameters...
May 24, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28550174/variability-in-coronary-artery-anatomy-affects-consistency-of-cardiac-damage-following-myocardial-infarction-in-mice
#4
Jiqiu Chen, Delaine K Ceholski, Lifan Liang, Kenneth Fish, Roger J Hajjar
Low reliability and reproducibility in heart failure models are well established. The purpose of the present study is to explore factors that affect model consistency of myocardial infarction (MI) in mice. METHODS: MI was induced by left coronary artery (LCA) ligation. The coronary artery was casted with resin and visualized with fluorescent imaging ex vivo. LCA characteristics and MI size were analyzed individually in each animal, and MI size was correlated with left ventricular (LV) function by echocardiography...
May 26, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28550173/experimental-cardiac-radiation-exposure-induces-ventricular-diastolic-dysfunction-with-preserved-ejection-fraction
#5
Hirofumi Saiki, Gilles Moulay, Adam J Guenzel, Weibin Liu, Teresa Decklever, Kelly Classic, Linh Pham, Horng H Chen, John C Burnett, Stephen J Russell, Margaret M Redfield
BACKGROUND: Breast cancer radiotherapy increases the risk of heart failure (HF) with preserved ejection fraction (HFpEF). Cardiomyocytes are highly radio-resistant but radiation specifically affects coronary microvascular endothelial cells with subsequent microvascular inflammation and rarefaction. The effects of radiation on left ventricular (LV) diastolic function are poorly characterized. We hypothesized that cardiac radiation exposure may result in diastolic dysfunction without reduced EF...
May 26, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28550172/myocardial-overexpression-of-timp3-following-myocardial-infarction-exerts-beneficial-effects-through-promoting-angiogenesis-and-suppressing-early-proteolysis
#6
Abhijit Takawale, Pu Zhang, Abul Azad, Wang Wang, Xiuhua Wang, Allan G Murray, Zamaneh Kassiri
Myocardial infarction (MI) results in loss of cardiomyocytes, adverse extracellular matrix (ECM) and structural remodeling, left ventricular (LV) dilation and dysfunction. Tissue inhibitor of metalloproteinases (TIMPs) inhibit matrix metalloproteinases (MMPs), the main regulators of ECM turnover. TIMPs also have MMP-independent functions. TIMP3 levels are reduced in the heart within 24 hours of MI in mice. We investigated if overexpression of TIMP3 post-MI limits adverse remodeling, LV dilation and dysfunction...
May 26, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28550093/causal-effect-of-plasminogen-activator-inhibitor-type-1-on-coronary-heart-disease
#7
REVIEW
Ci Song, Stephen Burgess, John D Eicher, Christopher J O'Donnell, Andrew D Johnson
BACKGROUND: Plasminogen activator inhibitor type 1 (PAI-1) plays an essential role in the fibrinolysis system and thrombosis. Population studies have reported that blood PAI-1 levels are associated with increased risk of coronary heart disease (CHD). However, it is unclear whether the association reflects a causal influence of PAI-1 on CHD risk. METHODS AND RESULTS: To evaluate the association between PAI-1 and CHD, we applied a 3-step strategy. First, we investigated the observational association between PAI-1 and CHD incidence using a systematic review based on a literature search for PAI-1 and CHD studies...
May 26, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28549832/sudden-cardiac-death-secondary-to-severe-multivessel-coronary-spasm
#8
Paula Sánchez-Somonte, Eduardo Josué Flores-Umanzor, Marta Sitges Carreño
No abstract text is available yet for this article.
May 23, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28549705/association-of-grip-strength-with-risk-of-all-cause-mortality-cardiovascular-diseases-and-cancer-in-community-dwelling-populations-a-meta-analysis-of-prospective-cohort-studies
#9
Yili Wu, Weijing Wang, Tianwei Liu, Dongfeng Zhang
OBJECTIVES: Grip strength has been linked to risk of adverse health outcomes. This study aimed to quantitatively assess the associations between grip strength and risk of all-cause mortality, cardiovascular diseases, and cancer in community-dwelling populations. DESIGN: A meta-analysis of prospective cohort studies was conducted. SETTING: Embase, Medline, and PubMed were searched from inception to September 14, 2016. Study-specific most adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) were combined with a random effects model...
June 1, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28549694/d-dimer-is-associated-with-arterial-and-venous-coronary-artery-bypass-graft-occlusion
#10
Alessandro Parolari, Laura Cavallotti, Daniele Andreini, Veronika Myasoedova, Cristina Banfi, Marina Camera, Paolo Poggio, Fabio Barili, GianLuca Pontone, Luciana Mussoni, Chiara Centenaro, Francesco Alamanni, Elena Tremoli
OBJECTIVE: In this observational prospective study, we assessed the role of clinical variables and circulating biomarkers in graft occlusion at 18 months to identify a signature for graft occlusion. METHODS: A total of 330 patients undergoing primary elective coronary artery bypass grafting were enrolled. Blood collection for biomarker assessment was performed before surgery and discharge. Patients were then scheduled to undergo coronary computed tomography angiography at 18 months follow-up, and 179 patients underwent coronary computed tomography angiography 18 ± 2 months postoperatively...
April 27, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28549693/mitral-valve-surgery-and-coronary-artery-bypass-grafting-for-moderate-to-severe-ischemic-mitral-regurgitation-meta-analysis-of-clinical-and-echocardiographic-outcomes
#11
Sohaib A Virk, David H Tian, Arunan Sriravindrarajah, Douglas Dunn, Hugh D Wolfenden, Rakesh M Suri, Stine Munkholm-Larsen, Christopher Cao
OBJECTIVE: This meta-analysis was conducted to compare clinical and echocardiographic outcomes following isolated coronary artery bypass grafting (CABG) versus CABG and mitral valve (MV) surgery in patients with moderate-to-severe ischemic mitral regurgitation (IMR). METHODS: Seven databases were systematically searched to identify relevant studies. For eligibility, studies were required to report on the primary endpoint of perioperative or late mortality. Data were analyzed according to predefined clinical endpoints...
March 22, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28549672/rotational-thromboelastometry-predicts-increased-bleeding-after-off-pump-coronary-bypass-surgery
#12
Sarah Soh, Young-Lan Kwak, Jong-Wook Song, Kyung-Jong Yoo, Hee-Jung Kim, Jae-Kwang Shim
BACKGROUND: We aimed to investigate the ability of rotational thromboelastometry (ROTEM) thresholds for coagulopathy to predict increased perioperative blood loss in off-pump coronary artery bypass graft surgery (OPCABG) and its association with transfusion requirement. METHODS: The data of 303 patients undergoing OPCABG were retrospectively analyzed. Perioperative blood loss and transfusion requirement were compared according to the presence of abnormal ROTEM thresholds, which were tested after anesthesia induction and heparin reversal...
May 24, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28549614/validation-and-comparison-of-four-models-to-calculate-pretest-probability-of-obstructive-coronary-artery-disease-in-a-chinese-population-a-coronary-computed-tomographic-angiography-study
#13
Jia Zhou, Yujie Liu, Lingyu Huang, Yahang Tan, Xingchen Li, Hong Zhang, Yanhe Ma, Ying Zhang
OBJECTIVE: We sought to compare the performance of the updated Diamond-Forrester method (UDFM), Duke clinical score (DCS), Genders clinical model (GCM) and Genders extended model (GEM) in a Chinese population referred to coronary computed tomography angiography (coronary CTA). BACKGROUND: The reliability of existing models to calculate the pretest proability (PTP) of obstructive coronary artery disease (CAD) have not been fully investigated, especially in a Chinese population...
May 11, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28549578/pediatric-out-of-hospital-cardiac-arrest-caused-by-left-coronary-artery-agenesis-with-primary-shockable-rhythm-a-brief-report
#14
Moritz Weigeldt, Sabine Lahmann, Konstantin Krieger, Sebastian Buttenberg, Volker Stephan, Brigitte Stiller, Dirk Stengel
BACKGROUND: To illustrate a rare cause of out-of-hospital cardiac arrest in children, its differential diagnoses, emergency and subsequent treatment at various steps in the rescue chain, and potential outcomes. CASE PRESENTATION: A 4-year-old boy with unknown agenesis of the left coronary ostium sustained out-of-hospital cardiac arrest. Bystander cardio-pulmonary resuscitation was initiated and defibrillation was performed via an automated external defibrillator (AED) shortly after paramedics arrived at the scene, restoring sinus rhythm and spontaneous circulation...
May 11, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28549500/greater-preclinical-atherosclerosis-in-treated-monogenic-familial-hypercholesterolemia-vs-polygenic-hypercholesterolemia
#15
Mahtab Sharifi, Elizabeth Higginson, Sven Bos, Angela Gallivan, Darren Harvey, Ka Wah Li, Amali Abeysekera, Angela Haddon, Helen Ashby, Kate E Shipman, Jackie A Cooper, Marta Futema, Jeanine E Roeters van Lennep, Eric J G Sijbrands, Mourad Labib, Devaki Nair, Steve E Humphries
BACKGROUND AND AIMS: Familial hypercholesterolemia (FH) is a common inherited disorder of low density lipoprotein-cholesterol (LDL-C) metabolism. It is associated with higher risk of premature coronary heart disease. Around 60% of patients with a clinical diagnosis of FH do not have a detectable mutation in the genes causing FH and are most likely to have a polygenic cause for their raised LDL-C. We assessed the degree of preclinical atherosclerosis in treated patients with monogenic FH versus polygenic hypercholesterolemia...
May 13, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28549452/in-hospital-prognosis-and-long-term-mortality-of-stemi-in-a-reperfusion-network-head-to-head-analisys-invasive-reperfusion-vs-optimal-medical-therapy
#16
C García-García, N Ribas, L L Recasens, O Meroño, I Subirana, A Fernández, A Pérez, F Miranda, H Tizón-Marcos, J Martí-Almor, J Bruguera, R Elosua
BACKGROUND: ST Segment Elevation Acute myocardial infarction (STEMI) preferred treatment is culprit artery reperfusion with primary percutaneous coronary intervention (PPCI). We ought to analyze the benefit of early reperfusion vs. optimal medical therapy in STEMI before and after the set-up of a regional STEMI network that prioritizes PPCI. METHODS: Between January 2002 and December 2013, 1268 STEMI patients were consecutively admitted in a University Hospital...
May 26, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28549428/rheumatoid-factors-do-not-predict-cardiovascular-disease-and-mortality-in-the-general-population-in-the-busselton-health-survey
#17
Johannes Nossent, Warren Raymond, Mark Divitini, Matthew Knuiman
BACKGROUND: Rheumatoid Factors (RF) are antibodies directed against the Fc portion of IgG and are involved in clearance of immune complexes. While RF can develop in a wide range of conditions, higher RF levels indicate a greater risk for a severe disease course in Rheumatoid Arthritis (RA) patients including cardiovascular complications and premature death. We investigated whether RF also constitute a risk factor for these outcomes in the general population. METHODS: We included 2,323 participants (46% male, mean age 50 years) free of CVD at baseline in 1972...
May 26, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28549238/risk-factors-and-mechanisms-contributing-to-tki-induced-vascular-events-in-patients-with-cml
#18
REVIEW
Peter Valent, Emir Hadzijusufovic, Gregor Hoermann, Wolfgang Füreder, Gerit-Holger Schernthaner, Wolfgang R Sperr, Rudolf Kirchmair, Dominik Wolf
Vascular adverse events (VAE) are an emerging problem in patients with chronic myeloid leukemia (CML) receiving second-generation BCR-ABL1 tyrosine kinase inhibitors (TKI). Relevant VAE comprise peripheral, cerebral, and coronary artery changes in patients receiving nilotinib, venous and arterial occlusive events during ponatinib therapy, and pulmonary hypertension in patients receiving dasatinib. Although each TKI binds to a unique profile of molecular targets in leukemic cells and vascular cells, the exact etiology of drug-induced vasculopathies remains uncertain...
May 12, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28549144/video-assisted-thoracoscopic-surgery-approach-for-transmyocardial-laser-revascularization
#19
Mohammad A Bashir, Brandon C Lyle, Ali S Nasr, Kalpaj Parekh
Transmyocardial laser revascularization is an established therapy for refractory coronary artery disease. However, utilization of the technology is not as widespread as expected. This is despite the fact that the efficacy of the technology has been established in multiple prospective randomized trials. Furthermore, only about 5% of transmyocardial laser revascularization cases annually are performed in a minimally invasive fashion. We report a case of a female patient treated in a minimally invasive thoracoscopic fashion...
May 26, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28549119/systematic-review-of-cost-effectiveness-of-myocardial-perfusion-scintigraphy-in-patients-with-ischaemic-heart-disease-a-report-from-the-cardiovascular-committee-of-the-european-association-of-nuclear-medicine-endorsed-by-the-european-association-of-cardiovascular
#20
Elin Trägårdh, Siok Swan Tan, Jan Bucerius, Alessia Gimelli, Oliver Gaemperli, Oliver Lindner, Denis Agostini, Christopher Übleis, Roberto Sciagrà, Riemer H Slart, S Richard Underwood, Fabien Hyafil, Marcus Hacker, Hein J Verberne
Coronary artery disease (CAD) is a major cause of death and disability. Several diagnostic tests, such as myocardial perfusion scintigraphy (MPS), are accurate for the detection of CAD, as well as having prognostic value for the prediction of cardiovascular events. Nevertheless, the diagnostic and prognostic value of these tests should be cost-effective and should lead to improved clinical outcome. We have reviewed the literature on the cost-effectiveness of MPS in different circumstances: (i) the diagnosis and management of CAD; (ii) comparison with exercise electrocardiography (ECG) and other imaging tests; (iii) as gatekeeper to invasive coronary angiography (ICA), (iv) the impact of appropriate use criteria; (v) acute chest pain, and (vi) screening of asymptomatic patients with type-2 diabetes...
May 26, 2017: European Heart Journal Cardiovascular Imaging
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