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International Journal of Cardiology

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https://www.readbyqxmd.com/read/28096046/worse-late-phase-survival-after-elective-endovascular-than-open-surgical-repair-for-intact-abdominal-aortic-aneurysm
#1
Hisato Takagi, Tomo Ando, Takuya Umemoto
OBJECTIVES: To determine whether follow-up survival is better after elective endovascular aneurysm repair (EVAR) than open surgical repair (OSR) for intact abdominal aortic aneurysm (AAA), we combined 5-year survival curves themselves of EVAR and OSR in randomized controlled trials (RCTs) and propensity-score matched (PSM) studies. METHODS: Eligible studies were RCTs or PSM studies of elective EVAR versus OSR enrolling patients with intact AAA and reporting 5-year (at least) survival curves...
January 11, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28096047/cellular-basis-of-angiotensin-1-7-induced-augmentation-of-left-ventricular-functional-performance-in-heart-failure
#2
Xiaowei Zhang, Heng-Jie Cheng, Peng Zhou, Dalane W Kitzman, Carlos M Ferrario, Wei-Min Li, Che Ping Cheng
BACKGROUND: Angiotensin-(1-7) [Ang-(1-7)] exhibits cardiovascular effects opposite those of angiotensin II (Ang II), thus providing protection against heart disease. However, how Ang-(1-7) imparts cardioprotection is unclear, and its direct cardiac effects are controversial. Whether heart failure (HF) alters cardiac contractile responses to Ang-(1-7) remains undetermined. We tested the hypothesis that in HF, Ang-(1-7) may produce positive modulation on [Ca(2+)]i regulation, enhancing left ventricular (LV) and myocyte contraction and relaxation via Ang-(1-7) Mas receptor coupled with nitric oxide (NO)/bradykinin (BK)-mediated mechanism...
January 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28096040/calcium-a-predictor-of-interventional-treatment-failure-across-all-fields-of-cardiovascular-medicine
#3
EDITORIAL
Alessio Mattesini, Carlo Di Mario
In this substudy of the ADAPT-DES trial Généreux et al. compared two years outcomes according to the presence or absence of coronary artery calcification (CAC) as assessed by coronary angiography. Coronary calcification was an independent predictor of interventional treatment failure and a higher incidence of both ischemic events and bleeding. The cohort with CAC was older with a higher prevalence of risk factors and comorbidities and an increased anatomical complexity of the target lesions, explaining only in part the worse outcome of the CAC population that persisted at multivariate analysis...
January 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28096038/kidney-diseases-and-noac-therapy-is-there-a-light-at-the-end-of-the-tunnel
#4
EDITORIAL
Matthias Hammwöhner, Andreas Goette
No abstract text is available yet for this article.
January 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28096044/use-of-transesophageal-echocardiography-and-contrast-echocardiography-in-the-evaluation-of-cardiac-masses
#5
Hongmei Xia, Ling Gan, Yan Jiang, Qi Tang, Ping Zhang, Xuefeng Tang, Li Wen, Zheng Liu, Yunhua Gao
OBJECTIVES: To determine whether the combination of transesophageal echocardiography (TEE) and contrast echocardiography (CE) accurately diagnose suspected cardiac masses using large sample data. METHODS: Patients with cardiac masses undergoing surgical treatment were enrolled in this study. Routine transthoracic echocardiography (TTE) and TEE examinations were carried out, and CE examinations were carried out when needed. All patients' clinical data and imaging features were retrospectively reviewed...
January 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28096043/a-simplified-protocol-for-culture-of-murine-neonatal-cardiomyocytes-on-nanoscale-keratin-coated-surfaces
#6
Aditi Jain, Venkatraman Ravi, Jaseer Muhamed, Kaushik Chatterjee, Nagalingam R Sundaresan
OBJECTIVE: We aim to develop a simple, efficient and cost-effective protocol for culturing the neonatal cardiomyocytes using keratin derived from human hair, which can be used for studying cardiac hypertrophy in vitro. METHODS: Keratin was extracted from human hair and applied as nanoscale coating onto the culture dishes. Physical parameters such as surface morphology and roughness of the coating were studied by SEM and AFM. Cardiomyocyte specific markers were assessed by immunofluorescence...
January 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28096042/acute-effect-of-intermittent-and-continuous-aerobic-exercise-on-release-of-cardiac-troponin-t-in-sedentary-men
#7
Rouhollah Ranjbar, Mohammad Amin Ahmadi, Abdossaleh Zar, Peter Krustrup
BACKGROUND: Studies have shown that acute exercise can increase serum concentrations of cardiac biomarkers, including cardiac troponin T (cTnT). We investigated the acute effects of intermittent (IE) and continuous (CE) exercise at the same cardiac workload on myocardial necrosis biomarkers in sedentary men. METHODS: Eleven sedentary healthy men aged 22.3±1.9years completed the study. The subjects were divided into two groups and performed, in random order, IE (intensity alternating between 50% (2min) and 80% (1min) HRreserve) or CE (60% HRreserve)...
January 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28096045/early-detection-of-left-ventricular-dysfunction-in-first-degree-relatives-of-diabetic-patients-by-myocardial-deformation-imaging-the-role-of-endothelial-glycocalyx-damage
#8
Ignatios Ikonomidis, George Pavlidis, Vaia Lambadiari, Fotini Kousathana, Maria Varoudi, Filio Spanoudi, Eirini Maratou, John Parissis, Helen Triantafyllidi, George Dimitriadis, John Lekakis
BACKGROUND: First-degree relatives of type-2 diabetes patients (FDR) present insulin resistance. We investigated whether FDR and dysglycaemic subjects demonstrate abnormal endothelial glycocalyx and LV deformation during postprandial hyperglycemia. METHODS: We studied 40 FDR with normal oral glucose test (OGTT), 40 subjects with abnormal OGTT (dysglycaemic) and 20 subjects with normal OGTT without parental history of diabetes (normoglycaemic). At 0 and 120min of OGTT we measured: a) LV longitudinal strain (LS) of subendocardial, mid-myocardial and subepicardial layers, global LS (GLS), peak twisting (pTw), untwisting velocity (pUtwVel), by speckle tracking echocardiography b) perfused boundary region (PBR) of the sublingual arterial microvessels; high PBR values represent reduced glycocalyx thickness...
January 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28089454/the-role-of-adenosine-challenge-in-catheter-ablation-for-atrial-fibrillation-a-systematic-review-and-meta-analysis
#9
Alex J A McLellan, Saurabh Kumar, Catherine Smith, Liang-Han Ling, Sandeep Prabhu, Jonathan M Kalman, Peter M Kistler
AIMS: Adenosine may unmask dormant PV conduction and facilitate consolidation of PV isolation. We performed a meta-analysis to determine the impact of adenosine administration on clinical outcomes in patients undergoing PVI. METHODS: References and electronic databases reporting AF ablation and adenosine following PVI were searched through to 22nd November 2015. The impact of adenosine on freedom from AF was assessed in twenty publications after radiofrequency ablation (RFA), and in four publications after cryoablation to achieve PVI...
January 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28089154/pre-hospital-electrocardiogram-triage-with-telemedicine-near-halves-time-to-treatment-in-stemi-a-meta-analysis-and-meta-regression-analysis-of-non-randomized-studies
#10
REVIEW
Natale Daniele Brunetti, Luisa De Gennaro, Michele Correale, Francesco Santoro, Pasquale Caldarola, Antonio Gaglione, Matteo Di Biase
BACKGROUND: A shorter time to treatment has been shown to be associated with lower mortality rates in acute myocardial infarction (AMI). Several strategies have been adopted with the aim to reduce any delay in diagnosis of AMI: pre-hospital triage with telemedicine is one of such strategies. We therefore aimed to measure the real effect of pre-hospital triage with telemedicine in case of AMI in a meta-analysis study. METHODS: We performed a meta-analysis of non-randomized studies with the aim to quantify the exact reduction of time to treatment achieved by pre-hospital triage with telemedicine...
January 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28089146/factors-associated-with-development-of-coronary-artery-aneurysms-after-kawasaki-disease-are-similar-for-those-treated-promptly-and-those-with-delayed-or-no-treatment
#11
Mallory L Downie, Cedric Manlhiot, Tanveer H Collins, Nita Chahal, Rae S M Yeung, Brian W McCrindle
BACKGROUND: While the risk is reduced, patients may develop coronary artery (CA) aneurysms after Kawasaki disease (KD) despite receiving intravenous immunoglobulin (IVIG) within 10days of symptom onset. Risk factors for CA aneurysms may differ compared to those patients with delayed or no treatment. METHODS: Patients diagnosed with KD between 1990 and 2013 were included. Patients with maximum coronary artery z-scores>5 were classified as having CA aneurysms. Separate multivariable regression models were used to determine factors associated with CA aneurysms for those with versus without prompt treatment...
January 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28100430/three-decades-later-the-fate-of-the-population-of-patients-who-underwent-the-atriopulmonary-fontan-procedure
#12
Chin Leng Poh, Diana Zannino, Robert G Weintraub, David S Winlaw, Leeanne E Grigg, Rachael Cordina, Tim Hornung, Andrew Bullock, Robert N Justo, Thomas L Gentles, Charlotte Verrall, Karin du Plessis, David S Celermajer, Yves d'Udekem
OBJECTIVE: To review our experience of patients with an atrio-pulmonary Fontan circulation to determine their long-term outcomes. METHODS AND RESULTS: A retrospective analysis of long-term follow-up data using the Australia and New Zealand Fontan Registry was performed. There were 215 patients surviving hospital discharge after an atrio-pulmonary Fontan completion. A total of 163 patients were alive at latest follow-up, with 52 deaths. Twelve patients had required heart transplantation and 95 had Fontan failure (death, transplantation, Fontan takedown, Fontan conversion, severe systemic ventricular dysfunction or NYHA≥3)...
January 7, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28089458/impact-of-interaction-of-diabetes-mellitus-and-impaired-renal-function-on-prognosis-and-the-incidence-of-acute-kidney-injury-in-patients-undergoing-transcatheter-aortic-valve-replacement-tavr
#13
Dimitry Schewel, Milad Zavareh, Jury Schewel, Thomas Thielsen, Tobias Schmidt, Ulrich Schäfer, Karl-Heinz Kuck, Christian Frerker
BACKGROUND: In high-risk patients with severe aortic stenosis undergoing transcatheter aortic valve replacement (TAVR) diabetes mellitus (DM) is a common comorbidity. It is known to increase the risk of arteriosclerosis and adversely affect morbidity, mortality for all types of cardiovascular disease, and post-procedural outcome after percutaneous and surgical procedures. Moreover, DM is known to facilitate the genesis of renal failure (RF). Pre-existing RF seems to increase the rate of acute kidney injury (AKI), which is a powerful short- and midterm predictor of mortality in patients undergoing TAVR...
January 7, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28089455/comparison-of-transcatheter-aortic-valve-implantation-with-the-newest-generation-sapien-3-vs-direct-flow-medical-valve-in-a-single-center-cohort
#14
Eberhard Schulz, Alexander Jabs, Alexander Tamm, Patrick Herz, Andreas Schulz, Tommaso Gori, Stephan von Bardeleben, Walter Kasper-König, Ulrich Hink, Christian-Friedrich Vahl, Thomas Münzel
BACKGROUND: The latest generation transcatheter heart valves including Edwards Sapien 3 (ES3) and Direct Flow Medical (DFM) were designed to allow precise implantation at the intended position and to minimize prosthesis dysfunction as well as procedural complications. Our aim was to compare short-term functional and clinical outcomes of these 2 transcatheter aortic valve systems. METHODS: Of 174 patients undergoing transfemoral transcatheter aortic valve implantation (TAVI) at our institution between August 2013 and June 2015, 113 were treated with ES3 and 61 with DFM...
January 7, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28087177/lymphocytic-myocarditis-occurs-with-myocardial-infarction-and-coincides-with-increased-inflammation-hemorrhage-and-instability-in-coronary-artery-atherosclerotic-plaques
#15
Linde Woudstra, P Stefan Biesbroek, Reindert W Emmens, Stephane Heymans, Lynda J Juffermans, Albert C van Rossum, Hans W M Niessen, Paul A J Krijnen
OBJECTIVE: Although lymphocytic myocarditis (LM) clinically can mimic myocardial infarction (MI), they are regarded as distinct clinical entities. However, we observed a high prevalence (32%) of recent MI in patients diagnosed post-mortem with LM. To investigate if LM changes coronary atherosclerotic plaque, we analyzed in autopsied hearts the inflammatory infiltrate and stability in coronary atherosclerotic lesions in patients with LM and/or MI. METHODS: The three main coronary arteries were isolated at autopsy of patients with LM, with MI of 3-6h old, with LM and MI of 3-6h old (LM+MI) and controls...
January 7, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28082087/among-patients-with-left-bundle-branch-block-t-wave-peak-to-t-wave-end-time-is-prolonged-in-the-presence-of-acute-coronary-occlusion
#16
Kenneth W Dodd, Kendra D Elm, Erin M Dodd, Stephen W Smith
BACKGROUND: Assessing the effect of myocardial ischemia on ventricular repolarization in the setting of left bundle branch block (LBBB) poses a challenge due to secondary prolongation of the QT interval inherent in LBBB. The T-wave peak to T-wave end (TpTe) interval has been noted to prolong during myocardial ischemia and correct after reperfusion in patients with normal conduction. Here we compare the TpTe intervals of patients with LBBB both with and without complete acute coronary occlusion (ACO)...
January 7, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28100429/right-ventricular-function-measured-by-tapse-in-obese-subjects-at-the-time-of-acute-myocardial-infarction-and-2year-outcomes
#17
Yaser S Alhamshari, Talal Alnabelsi, Ramzi Mulki, Beatriz Cepeda-Valery, Vincent M Figueredo, Abel Romero-Corral
INTRODUCTION: Obesity is associated with significantly better outcome after acute myocardial infarction (AMI), a phenomenon known as 'obesity paradox'. Tricuspid annular plane systolic excursion (TAPSE) is an echocardiographic measurement of right ventricular (RV) function and has prognostic implications at the time of AMI. METHODS: We examined the difference in RV function among patients admitted with AMI according to obesity status. In a single center cohort analysis of 105 patients admitted between 2010 and 2011 with the diagnosis of AMI...
January 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28094129/le-compte-maneuver-in-surgical-correction-of-absent-pulmonary-valve-does-it-improve-severe-bronchial-compression
#18
Bülent Sarıtaş, Emre Özker, Özlem Sarısoy, Murat Şahin, Burçak Gümüş, Canan Ayabakan
No abstract text is available yet for this article.
January 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28089459/effect-of-renal-denervation-on-kidney-function-in-patients-with-chronic-kidney-disease
#19
Dagmara Hering, Petra Marusic, Jacqueline Duval, Yusuke Sata, Geoffrey A Head, Kate M Denton, Sally Burrows, Antony S Walton, Murray D Esler, Markus P Schlaich
AIMS: Renal denervation (RDN) can reduce blood pressure (BP) and slow the decline of renal function in chronic kidney disease (CKD) up to one year. Whether this effect is maintained beyond 12months and whether the magnitude of BP reduction affects estimated glomerular filtration rate (eGFR) is unknown. METHODS AND RESULTS: We examined eGFR in 46 CKD patients (baseline eGFR ≤60mL/min/1.73m(2)) on a yearly basis from 60months before to 3, 6, 12 and 24months after RDN...
January 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28089150/anticoagulant-bridging-in-left-sided-mechanical-heart-valve-patients
#20
E A Hart, R Jansen, T A Meijs, B J Bouma, R K Riezebos, W Tanis, W J P van Boven, V Hindori, N Wiersma, T Dessing, J Westerink, S A J Chamuleau
BACKGROUND: In preparation for an invasive procedure with a high bleeding risk, patients with a mechanical heart valve temporarily have to discontinue their anticoagulant therapy and are usually bridged with either intravenous unfractionated heparin (UFH) or subcutaneous low-molecular-weight heparin (LMWH). In this study we retrospectively analyzed the safety of UFH versus LMWH as bridging strategy in left-sided mechanical heart valve patients. METHODS: We performed a retrospective multicenter study in four surgical centers in The Netherlands...
January 6, 2017: International Journal of Cardiology
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