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Clinical Cardiology

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https://www.readbyqxmd.com/read/28075503/correlation-between-cardiac-rhythm-left-atrial-appendage-flow-velocity-and-cha2-ds2-vasc-score-study-based-on-transesophageal-echocardiography-and-2-dimensional-speckle-tracking
#1
Kun Zuo, Lanlan Sun, Xinchun Yang, Xiuzhang Lyu, Kuibao Li
BACKGROUND: The CHA2 DS2 -VASc score is a classic predictor of stroke in patients with atrial fibrillation (AF). Decreased left atrial appendage flow velocity (LAA-FV) reflects the blood stasis, and left atrial (LA) strain is a manifestation of atrial remodeling. This study aimed to explore the effects of AF rhythm and CHA2 DS2 -VASc score in the development of thrombogenesis and their potential correlation with LAA-FV and LA strain. HYPOTHESIS: AF rhythm and high CHA2 DS2 -VASc score correlate independently with decreased LAA-FV, which can be predicted by LA strain...
January 11, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28075500/very-short-short-term-benefit-of-inpatient-outpatient-cardiac-rehabilitation-programs-after-coronary-artery-bypass-grafting-surgery
#2
Dejan Spiroski, Mojsije Andjić, Olivera Ilić Stojanović, Milica Lazović, Ana Djordjević Dikić, Miodrag Ostojić, Branko Beleslin, Snežana Kostić, Marija Zdravković, Dragan Lović
BACKGROUND: Exercise-based rehabilitation is an important part of treatment patients following coronary artery bypass graft (CABG) surgery. HYPOTHESIS: To evaluate effect of very short/short-term exercise training on cardiopulmonary exercise testing (CPET) parameters. METHODS: We studied 54 consecutive patients with myocardial infarction (MI) treated with CABG surgery referred for rehabilitation. The study population consisted of 50 men and 4 women (age 57...
January 11, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28075499/long-term-outcome-following-remote-ischemic-postconditioning-during-percutaneous-coronary-interventions-the-rip-pci-trial-long-term-follow-up
#3
Shahar Lavi, Nour Abu-Romeh, Sabrina Wall, Mistre Alemayehu, Ronit Lavi
The clinical value of ischemic conditioning during percutaneous coronary intervention (PCI) and mode of administration is controversial. Our aim was to assess the long-term effect of remote ischemic postconditioning among patients undergoing PCI. We randomized 360 patients undergoing PCI who presented with a negative troponin T at baseline into 3 groups: 2 groups received remote ischemic postconditioning (with ischemia applied to the arm in 1 group and to the thigh in the other group), and the third group acted as a control group...
January 11, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28026044/expression-of-programmed-cell-death-1-and-its-ligand-b7-homolog-1-in-peripheral-blood-lymphocytes-from-patients-with-peripartum-cardiomyopathy
#4
Guozhi Xia, Xiaopu Zheng, Xinye Yao, Xiaowei Yao, Zhongwei Liu, Junkui Wang
BACKGROUND: Immune response has been postulated to play a prominent role in the pathogenesis of peripartum cardiomyopathy (PPCM). Given the importance of programmed death (PD)-1 and its ligand B7 homologue 1 (B7-H1) costimulatory molecules as an immune regulatory pathway, this study aimed to investigate the effect of PD-1 and B7-H1 expression on immune response in peripheral blood lymphocytes from the patients with PPCM. HYPOTHESIS: PD-1 and B7-H1 may be involved in modulating immune response in PPCM...
December 27, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/28026031/patterns-and-predictors-of-lipid-lowering-therapy-in-patients-with-atherosclerotic-cardiovascular-disease-and-or-diabetes-mellitus-in-2014-insights-from-a-large-us-managed-care-population
#5
Dylan L Steen, Irfan Khan, Laura Becker, JoAnne M Foody, Katherine Gorcyca, Robert J Sanchez, Robert P Giugliano
BACKGROUND: Lowering low-density lipoprotein cholesterol with statins reduces risk of cardiovascular events. We examined patterns and predictors of filled prescriptions for lipid-lowering therapy (LLT) in subgroups of patients with atherosclerotic cardiovascular disease (ASCVD) and/or diabetes mellitus (DM). HYPOTHESIS: Statin treatment remains underutilized across subgroups of high CV risk patients. METHODS: Patients in the Optum Research Database with these criteria were included: age ≥20 years, 2 years continuous enrollment, and ASCVD and/or DM...
December 27, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/28026030/evaluation-of-left-ventricular-diastolic-function-profile-in-patients-with-pulmonary-hypertension-due-to-heart-failure-with-preserved-ejection-fraction
#6
Pejman Raeisi-Giglou, Louis Lam, Balaji K Tamarappoo, Jennie Newman, Raed A Dweik, Adriano R Tonelli
BACKGROUND: Echocardiography plays an important role in the diagnostic work up of heart failure with preserved ejection fraction (HFpEF). We sought to determine the left ventricular (LV) diastolic profile by echocardiography in patients diagnosed with pulmonary hypertension (PH) due to PH-HFpEF. HYPOTHESIS: The study of LV diastolic function by echocardiography has limitations in patients with HFpEF and PH, and certain LV diastolic determinations convey a worse prognosis...
December 27, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/28026027/the-contemporary-value-of-peak-creatine-kinase-mb-after-st-segment-elevation-myocardial-infarction-above-other-clinical-and-angiographic-characteristics-in-predicting-infarct-size-left-ventricular-ejection-fraction-and-mortality
#7
Minke H T Hartman, Ruben N Eppinga, Pieter J J Vlaar, Chris P H Lexis, Erik Lipsic, Joost D E Haeck, Dirk J van Veldhuisen, Iwan C C van der Horst, Pim van der Harst
BACKGROUND: Complex multimarker approaches to predict outcome after ST-elevation myocardial infarction (STEMI) have only considered a single baseline sample, while neglecting easily obtainable peak creatine kinase and creatine kinase-MB (CK-MB) values during hospitalization. METHODS: We studied 476 patients undergoing primary percutaneous coronary intervention for STEMI and cardiac magnetic resonance imaging (CMRI) at 4-6 months after STEMI. We determined the association with cardiac biomarkers (peak CK-MB, peak troponin T, N-terminal pro-brain natriuretic peptide), clinical and angiographic characteristics with infarct size, and LVEF, followed by association with mortality in 1120 STEMI patients...
December 27, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/28026025/impact-of-diabetes-on-mortality-in-peripheral-artery-disease-a-meta-analysis
#8
Mislav Vrsalovic, Ksenija Vucur, Ana Vrsalovic Presecki, Damir Fabijanic, Milan Milosevic
BACKGROUND: There are accumulating studies showing the association between diabetes and all-cause mortality in peripheral vascular disease. However, the results in these studies are conflicting regarding the impact of diabetes on outcome. HYPOTHESIS: Diabetes is associated with increased risk of mortality in peripheral artery disease. METHODS: Using MEDLINE and Scopus, we searched for studies published before January 2016. Additionally, studies were identified by manual search of references of original articles or review studies on this topic...
December 27, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/28004413/direct-oral-anticoagulant-use-in-nonvalvular-atrial-fibrillation-with-valvular-heart-disease-a-systematic-review
#9
REVIEW
Ryan E Owens, Rajesh Kabra, Carrie S Oliphant
Direct oral anticoagulants (DOACs) are indicated for stroke prevention in patients with nonvalvular atrial fibrillation (NVAF), which, according to the American College of Cardiology/American Heart Association/Heart Rhythm Society atrial fibrillation (AF) guidelines, excludes patients with rheumatic mitral stenosis, a mechanical or bioprosthetic heart valve, or mitral valve repair. However, the data regarding use of DOACs in AF patients with other types of valvular heart disease (VHD) are unclear. We aimed to summarize and evaluate the literature regarding the safety and efficacy of DOAC use in NVAF patients with other types of VHD...
December 22, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/28004395/myocardial-tissue-deformation-is-reduced-in-subjects-with-coronary-microvascular-dysfunction-but-not-rescued-by-treatment-with-ranolazine
#10
Michael D Nelson, Behzad Sharif, Jaime L Shaw, Galen Cook-Wiens, Janet Wei, Chrisandra Shufelt, Puja K Mehta, Louise E J Thomson, Daniel S Berman, Richard B Thompson, Eileen M Handberg, Carl J Pepine, Debiao Li, C Noel Bairey Merz
BACKGROUND: Patients with coronary microvascular dysfunction (CMD) often have diastolic dysfunction, representing an important therapeutic target. Ranolazine-a late sodium current inhibitor-improves diastolic function in animal models and subjects with obstructive coronary artery disease (CAD). HYPOTHESIS: We hypothesized that ranolazine would beneficially alter diastolic function in CMD. METHODS: To test this hypothesis, we performed retrospective tissue tracking analysis to evaluate systolic/diastolic strain, using cardiac magnetic resonance imaging cine images acquired in a recently completed, randomized, double-blind, placebo-controlled, crossover trial of short-term ranolazine in subjects with CMD and from 43 healthy reference controls...
December 22, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27991673/cryoballoon-ablation-of-atrial-fibrillation-a-practical-and-effective-approach
#11
REVIEW
George Georgiopoulos, Dimitris Tsiachris, Antonis S Manolis
Medical management of atrial fibrillation (AF), the most common arrhythmia in the general population, has had modest efficacy in controlling symptoms and restoring and maintaining sinus rhythm. Since the seminal observation in 1998 that pulmonary veins host the triggers of AF in the majority of cases, electrical isolation of all pulmonary veins constitutes the cornerstone of ablation in patients with symptomatic AF. However, due to the elaborate and tedious technique of the conventional point-by-point method with radiofrequency ablation guided by electroanatomical mapping, newer, more versatile single-shot techniques, such as cryoballoon ablation, have been sought and developed over recent years and are progressively prevailing...
December 19, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27918068/temporal-trends-and-outcomes-associated-with-atrial-fibrillation-observed-during-acute-coronary-syndrome-real-world-data-from-the-acute-coronary-syndrome-israeli-survey-acsis-2000-2013
#12
Aharon Erez, Ilan Goldenberg, Avi Sabbag, Eyal Nof, Doron Zahger, Shaul Atar, Arthur Pollak, Idit Dobrecky-Merye, Roy Beigel, Shlomi Matetzky, Michael Glikson, Roy Beinart
BACKGROUND: The past decade has brought major advances in therapy of patients presenting with acute coronary syndromes (ACS). HYPOTHESIS: The outcomes of ACS patients with atrial fibrillation (AF) has improved over the years. METHODS: We evaluated time-dependent changes in clinical characteristics, management strategies, and outcomes associated with AF observed during ACS hospitalization in patients enrolled in the biannual ACS Israeli Surveys (ACSIS) between 2000 and 2013...
December 5, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27893153/efficacy-and-safety-of-dabigatran-rivaroxaban-and-warfarin-for-stroke-prevention-in-chinese-patients-with-atrial-fibrillation-the-hong-kong-atrial-fibrillation-project
#13
Wen-Hua Li, Duo Huang, Chern-En Chiang, Chu-Pak Lau, Hung-Fat Tse, Esther W Chan, Ian C K Wong, Gregory Y H Lip, Pak-Hei Chan, Chung-Wah Siu
BACKGROUND: Little is known about the comparative effectiveness and safety of non-vitamin K antagonist oral anticoagulants (NOAC) compared to warfarin in Chinese atrial fibrillation (AF) patients. Our aim was to compare the ischemic stroke risk reduction and incidence of intracranial hemorrhage (ICH) of warfarin in relation to quality of anticoagulation control (as reflected by time in therapeutic range [TTR]), and to dabigatran and rivaroxaban in a real-world cohort of Chinese AF patients...
November 28, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27883210/rationale-and-design-of-the-bayes-interatrial-block-and-yearly-events-registry
#14
Manuel Martínez-Sellés, Adrian Baranchuk, Roberto Elosua, Antonio Bayés de Luna
The prevalence of interatrial block (IAB) is high in the elderly, particularly in those with heart disease. Despite this high prevalence-and the association of IAB with the risk of atrial fibrillation (AF), stroke, and cognitive decline-little information exists about the prognosis of older patients with IAB. P-wave duration and morphology are associated with risk of developing AF, stroke, and cognitive decline in elderly patients with structural heart disease. The aim of the Interatrial Block and Yearly Events (BAYES) registry is to assess the impact of IAB on the risk of AF and stroke during 3 years of follow-up...
November 24, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27883201/effect-of-treatment-with-5-lipoxygenase-inhibitor-via-2291-atreleuton-on-coronary-plaque-progression-a-serial-ct-angiography-study
#15
Suguru Matsumoto, Reda Ibrahim, Jean C Grégoire, Philippe L L'Allier, Josephine Pressacco, Jean-Claude Tardif, Matthew J Budoff
BACKGROUND: Inflammation has a key role in the process of atherosclerosis. Production of leukotrienes by 5-lipoxygenase has been linked to atherosclerotic plaques and cardiovascular events. HYPOTHESIS: In this study, a selective 5-LO inhibitor will slow plaque progression using serial cardiac computed tomographic angiography (CCTA). METHODS: Patients with recent acute coronary syndrome (ACS) were prospectively assigned to one of 3 VIA-2291 doses (25 mg, 50 mg, 100 mg) or placebo by oral administration...
November 24, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27879000/impact-of-prior-permanent-pacemaker-on-long-term-clinical-outcomes-of-patients-undergoing-percutaneous-coronary-intervention
#16
Yan-Jie Li, Wei-Wei Zhang, Xiao-Xiao Yang, Ning Li, Xing-Biao Qiu, Xin-Kai Qu, Wei-Yi Fang, Yi-Qing Yang, Ruo-Gu Li
BACKGROUND: The impact of permanent pacemaker (PPM) on long-term clinical outcomes of patients undergoing percutaneous coronary intervention (PCI) has not been studied. HYPOTHESIS: PPM may increase heart failure (HF) burden on patients undergoing PCI. METHODS: We recruited consecutive patients undergoing PCI and carried out a nested case-control study. Patients with confirmed PPM undergoing first PCI were identified and matched by age and sex in 1:1 fashion to patients without PPM undergoing first PCI...
November 23, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27878990/hemodynamic-guided-heart-failure-management-using-a-wireless-implantable-sensor-infrastructure-methods-and-results-in-a-community-heart-failure-disease-management-program
#17
Rita Jermyn, Amit Alam, Jessica Kvasic, Omar Saeed, Ulrich Jorde
BACKGROUND: The real-world impact of remote pulmonary artery pressure (PAP) monitoring on New York Heart Association (NYHA) class improvement and heart failure (HF) hospitalization rate is presented here from a single center. HYPOTHESIS: METHODS: Seventy-seven previously hospitalized outpatients with NYHA class III HF were offered PAP monitoring via device implantation in a multidisciplinary HF-management program. Prospective effectiveness analyses compared outcomes in 34 hemodynamically monitored patients to a group of similar patients (n = 32) who did not undergo device implantation but received usual care...
November 23, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27862089/trends-in-hospitalization-for-congestive-heart-failure-1996-2009
#18
Muhammad Bilal Munir, Michael S Sharbaugh, Floyd W Thoma, Muhammad Umer Nisar, Amir S Kamran, Andrew D Althouse, Samir Saba
BACKGROUND: Although heart failure (HF) is a common cause of hospital admissions, few data describe temporal trends in HF hospitalization. We present data on number of HF admissions, length of stay (LOS), and inpatient mortality in the United States, 1996-2009. HYPOTHESIS: To assess HF hospitalizations in a national sample of United States population. METHODS: Data were obtained from the National Hospital Discharge Survey (NHDS), a national probability sample survey of discharges conducted annually by the National Center for Health Statistics...
November 12, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27859433/guideline-based-statin-lipid-lowering-therapy-eligibility-for-primary-prevention-and-accuracy-of-coronary-artery-calcium-and-clinical-cardiovascular-events-the-multi-ethnic-study-of-atherosclerosis-mesa
#19
Peter Flueckiger, Waqas Qureshi, Erin D Michos, Michael Blaha, Gregory Burke, Veit Sandfort, David Herrington, Joseph Yeboah
BACKGROUND: With multiple cholesterol guidelines, we evaluated the accuracy of recommended statin therapy on identifying coronary artery calcium (CAC) and cardiovascular disease (CVD) events by 2004 NCEP/ ATP III, 2016 ESC/EAS, and 2013 ACC/AHA guidelines. HYPOTHESIS: ACC/AHA guidelines are more accurate in identifying persons at risk for CVD. METHODS: 5002/6814 participants age <75 years and free of CVD were included. CAC categories (>0, ≥100, and ≥300) and 10 years of CVD outcomes were considered...
November 12, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27783884/management-of-newly-treated-diabetes-in-medicare-beneficiaries-with-and-without-heart-failure
#20
Lauren B Cooper, Xiaojuan Mi, Robert J Mentz, Jennifer B Green, Kevin J Anstrom, Adrian F Hernandez, Lesley H Curtis
BACKGROUND: Several diabetes mellitus (DM) therapies are associated with worse heart failure (HF) outcomes, yet limited data exist characterizing routine DM management based on HF status. HYPOTHESIS: DM medications prescribed for patients with HF will differ in meaningful ways from patients without HF, and co-morbidities will impact the choice of medications prescribed. METHODS: Using Medicare fee-for-service claims data, we identified patients with newly treated DM between 2008 and 2011 and used multivariable logistic regression to assess associations between baseline HF status and DM medication use...
October 26, 2016: Clinical Cardiology
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