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https://www.readbyqxmd.com/read/28427736/interactions-between-reciprocal-st-segment-downsloping-during-st-elevated-myocardial-infarction-and-global-cardiac-perfusion-and-functional-abnormalities
#1
Riccardo Liga, Enrico Orsini, Paolo Caravelli, Marco De Carlo, Anna Sonia Petronio, Mario Marzilli
Reciprocal ST-segment downsloping on electrocardiogram is a frequent finding during ST-elevated myocardial infarction (STEMI), but its etiology is still disputed. We sought to evaluate the relation between reciprocal ST-segment downsloping during STEMI and major cardiac perfusion and functional parameters. One hundred eighty-five patients with STEMI underwent emergency coronary angiography. The presence of reciprocal ST-segment downsloping was assessed. At coronary angiography, the corrected TIMI frame count (cTFC) was computed both on culprit and remote vessels and the occurrence of "no/slow reflow" phenomenon after percutaneous coronary intervention (PCI) identified...
March 29, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28423986/global-longitudinal-strain-from-resting-echocardiogram-is-associated-with-long-term-adverse-cardiac-outcomes-in-patients-with-suspected-coronary-artery-disease
#2
Ajay Yadlapati, Timothy R Maher, James D Thomas, Mark Gajjar, Kofo O Ogunyankin, Jyothy J Puthumana
PURPOSE: Measuring myocardial strain using two-dimensional speckle tracking echocardiography has emerged as a new tool to identify subclinical ventricular dysfunction. Abnormal strain has been shown to have superior sensitivity compared with dobutamine stress echocardiography for viability assessment; however, there is a paucity of data regarding the prediction of long-term major adverse cardiac events. We compared the prognostic ability of both global longitudinal strain (GLS) from resting echocardiograms to regional wall motion score index (WMSI) from stress echocardiograms in their ability to predict long-term major adverse cardiac events...
March 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28256296/prediction-of-functional-recovery-after-percutaneous-coronary-revascularization-for-chronic-total-occlusion-using-late-gadolinium-enhanced-magnetic-resonance-imaging
#3
Tatsuya Nakachi, Shingo Kato, Hidekuni Kirigaya, Naoki Iinuma, Kazuki Fukui, Naka Saito, Tae Iwasawa, Masami Kosuge, Kazuo Kimura, Kouichi Tamura
BACKGROUND: Limited data are available regarding the prediction for functional recovery using late gadolinium enhanced magnetic resonance imaging (LGE MRI) after coronary revascularization for chronic total occlusion (CTO PCI). METHODS: We studied 59 patients (mean age, 66±11 years) who underwent successful CTO PCI. Two-dimensional echocardiography and strain measurements were performed before and 8±2 months after CTO PCI. The findings of segmental assessment were compared with the extent of LGE MRI using a 16-segment model...
February 27, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28107887/associations-between-positive-emotional-well-being-and-stress-induced-myocardial-ischemia-well-being-scores-predict-exercise-induced-ischemia
#4
Jacob P Feigal, Stephen H Boyle, Zainab Samad, Eric J Velazquez, Jennifer L Wilson, Richard C Becker, Redford B Williams, Cynthia M Kuhn, Thomas L Ortel, Joseph G Rogers, Christopher M O'Connor, Wei Jiang
OBJECTIVE: Depressive symptoms have been associated with myocardial ischemia induced by mental (MSIMI) and exercise (ESIMI) stress in clinically stable ischemic heart disease (IHD) patients, but the association between positive emotions and inducible ischemia is less well characterized. The objective of this study was to examine the associations between ratings of well-being and stress-induced ischemia. METHODS: Subjects were adult patients with documented IHD underwent mental and exercise stress testing for the Responses of Myocardial Ischemia to Escitalopram Treatment (REMIT) trial...
February 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/27968775/apical-rotation-a-simplified-index-of-left-ventricular-twist-is-independently-linked-to-recovery-after-acute-anterior-myocardial-infarction
#5
P Meimoun, S Abouth, S Martis, H Zemir, F Elmkies, J Boulanger, G Ahmad, J Clerc
BACKGROUND: It is unclear whether apical rotation (Ar), which in normal setting represents the dominant contributions to LV twist by comparison to basal rotation (Br), predicts viability in acute anterior myocardial infarction (AMI). Our objective was to test the usefulness of Ar as a simple index to predict LV recovery after AMI. METHODS: Fourty-five consecutive patients (mean age 60±14 years, mean LVEF 44±7%) with first AMI treated successfully by primary angioplasty underwent prospectively a comprehensive transthoracic-Doppler echocardiography including analysis of Ar, Br, and LV twist by 2-dimensional speckle tracking, using a basal and apical short axis-views, within 24h after angioplasty and 3-6months later...
November 2016: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/27958262/role-of-low%C3%A2-dose-dobutamine-echocardiography-in-predicting-response-to-biventricular-pacing-results-from-the%C3%A2-multicenter-viability-in-cardiac-resynchronisation-therapy-viacrt-study
#6
MULTICENTER STUDY
Edyta Płońska-Gościniak, Jarosław D Kasprzak, Tomasz Kukulski, Katarzyna Mizia-Stec, Ewa Nowalany-Kozielska, Zbigniew Gąsior, Krystian Wita, Władysław Sinkiewicz, Hanna Szwed, Piotr Gościniak, Łukasz Chrzanowski
INTRODUCTION    The response to Cardiac Resynchronisation Therapy (CRT) varies significantly, resulting in lack of improvement among the substantial patients proportion.  OBJECTIVES    To identify mechanical dyssynchrony indices with combination of myocardial viability characteristics for predicting long-term response to CRT.  PATIENTS AND METHODS    ViaCRT was a multicentre study coordinated by the Working Group on Echocardiography of  Polish Cardiac Society. 127 patients with heart failure were assessed prospectively...
December 12, 2016: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/27898505/clinical-role-of-post-angioplasty-hyperemic-microvascular-resistances-in-chronic-ischemic-left-ventricular-dysfunction
#7
Riccardo Gorla, Edoardo Verna, Simone Scotti, Sergio Ghiringhelli, Laura Zoli, Stefano Provasoli, Silvana Garancini, Roberto De Ponti, Jorge A Salerno-Uriarte
AIMS: To investigate the impact of hyperemic microvascular resistances (HMRs) on myocardial perfusion and contractility after percutaneous coronary intervention (PCI) in chronic ischemic left ventricular dysfunction (CILVD). METHODS: The current retrospective study included 48 patients with CILVD of the left anterior descending territory undergoing HMRs assessment before and after PCI with a dual-sensor intracoronary pressure-flow wire. The severity of resting myocardial underperfusion and contractile dysfunction of the left anterior descending territory was scored as summed rest score (SRS-T) by single photon emission tomography, wall motion score index (WMSI-T) and left ventricular ejection fraction (LVEF) by transthoracic echocardiography before PCI and after 3 months...
November 24, 2016: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/27836298/long-term-prognostic-value-of-qrs-score-in-patients-with-successfully-recanalized-coronary-chronic-total-occlusion-and-construction-of-a-predictive-nomogram-model
#8
Hao Xie, Li-Ming Chen, Hai-Hui Sun, Lin Li, Hang Liu, Wen-Jia Li, Jian-Bang Jiang, Lian-Qun Cui
BACKGROUND: Few studies have evaluated the prognostic value of QRS score in patients with coronary chronic total occlusion (CTO) after successful recanalization. METHODS: A total of 474 patients with successfully recanalized coronary CTO were finally included in our study and were followed up for 34.0±5.3months. They were divided into 3 groups: QRS score≥8, QRS score 4-7 and QRS score 0-3. The primary outcome was composite endpoint of major adverse cardiac and cerebral events (MACCEs)...
January 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27738092/superiority-of-wall-motion-score-index-over-left-ventricle-ejection-fraction-in-predicting-cardiovascular-events-after-an-acute-myocardial-infarction
#9
Alfonso Jurado-Román, Pilar Agudo-Quílez, Belén Rubio-Alonso, Javier Molina, Belén Díaz, Julio García-Tejada, Roberto Martín, Rocío Tello
BACKGROUND: There are few data on the prognostic significance of the wall motion score index compared with left ventricle ejection fraction after an acute myocardial infarction. Our objective was to compare them after the hyperacute phase. METHODS: Transthoracic echocardiograms were performed in 352 consecutive patients with myocardial infarction, after the first 48 hours of admission and before hospital discharge (median 56.3 hours (48.2-83.1)). We evaluated the ability of the wall motion score index and left ventricular ejection fraction to predict the combined endpoint (mortality and rehospitalization for heart failure) as a primary objective and the independent events of the combined endpoint as a secondary objective...
October 13, 2016: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/27721212/randomised-trial-to-compare-a-protective-effect-of-clopidogrel-versus-ticagrelor-on-coronary-microvascular-injury-in-st-segment-elevation-myocardial-infarction-cv-time-trial
#10
Sang-Don Park, Man-Jong Lee, Yong-Soo Baek, Sung-Woo Kwon, Sung-Hee Shin, Seong-Ill Woo, Dae-Hyeok Kim, Jun Kwan, Keum-Soo Park
AIMS: Ticagrelor has shown greater, more rapid and more consistent platelet inhibition than clopidogrel. However, the superiority of ticagrelor for preventing ischaemic damage in STEMI patients has not been proven. The aim of this trial was to assess whether ticagrelor is superior to clopidogrel in preventing microvascular injury in ST-elevation myocardial infarction (STEMI). METHODS AND RESULTS: Patients with STEMI underwent prospective random assignment to receive a loading dose (LD) of clopidogrel 600 mg or ticagrelor 180 mg (1:1 ratio) before primary percutaneous coronary intervention (PCI)...
October 10, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27694111/the-clinical-efficacy-and-long-term-prognostic-value-of-stress-echocardiography-in-octogenarians
#11
Sothinathan Gurunathan, Asrar Ahmed, Jatinder Pabla, Nikos Karogiannis, Alina Hua, Grace Young, Benoy Nalin Shah, Roxy Senior
INTRODUCTION: Although stress echocardiography (SE) is invaluable in younger populations, its prognostic value may be attenuated in the elderly due to shorter life expectancy and the frequent presence of severe comorbidities. This study sought to evaluate the clinical effectiveness of SE in octogenarians, particularly its prognostic value over clinical variables, in predicting hard events. METHODS: A total of 374 consecutive octogenarians who underwent SE for evaluation of coronary artery disease (CAD) were assessed for feasibility, diagnostic accuracy and safety of the test, and followed up for hard outcomes (all-cause mortality, cardiovascular (CV) deaths and non-fatal myocardial infarction (NFMI))...
April 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/27631250/comparative-clinical-implications-of-admission-electrocardiographic-findings-for-patients-with-non-st-segment-elevation-myocardial-infarction
#12
COMPARATIVE STUDY
Eun-Sun Jin, Chang-Bum Park, Dong-Hee Kim, Hui-Jeong Hwang, Jin-Man Cho, Il Suk Sohn, Chong-Jin Kim
Early risk stratification is crucial for appropriate management using invasive strategies in non-ST elevation myocardial infarction (NSTEMI), and electrocardiography (ECG) has been widely used for risk stratification. However, ECG findings in NSTEMI vary, and there is a need to define the clinical characteristics and outcomes according to ECG.We analyzed the admission ECGs of 345 NSTEMI patients who underwent coronary angiography from 2006 to 2013. Demographics, procedural characteristics, and clinical outcomes were analyzed...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27592580/-evaluation-of-three-dimensional-speckle-tracking-echocardiography-to-left-ventricular-rotation-and-twist-in-patients-with-silent-myocardial-ischemia
#13
Baixue Zhang, Qi Zhang, Wengang Liu, Wenhui Zhu, Jidong Xiao
OBJECTIVE: To analyze the characteristics of left ventricular rotation and twist in patients with silent myocardial ischemia (SMI) by three-dimensional speckle tracking echocardiography (3D-STE), and to explore the diagnostic value of this method for SMI.
 METHODS: According to Gensini score, 66 patients with SMI were divided into 3 subgroups: a mild lesion group (n=16), a moderate lesion group (n=26) and a severe lesion group (n=24). Thirty patients with negative results in selective coronary angiography served as a control group...
July 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27556348/efficacy-and-safety-of-intracoronary-verapamil-versus-sodium-nitroprusside-for-the-prevention-of-microvascular-obstruction-during-primary-percutaneous-coronary-intervention-for-st-segment-elevation-myocardial-infarction
#14
RANDOMIZED CONTROLLED TRIAL
Hesham K Abdelaziz, Wael Elkilany, Said Khalid, Sameh Sabet, Marwan Saad
OBJECTIVE: The aim of this study was to compare the role of intracoronary (IC) verapamil versus sodium nitroprusside (SNP) in the prevention of microvascular obstruction (MVO) during a primary percutaneous coronary intervention (pPCI). BACKGROUND: A head-to-head comparison between verapamil and SNP in the prevention of MVO lacks evidence. PATIENTS AND METHODS: Sixty patients with ST-segment elevation myocardial infarction were randomized to receive IC verapamil (n=30) versus SNP (n=30) during pPCI...
January 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/27543440/doppler-echocardiographic-myocardial-stunning-index-predicts-recovery-of-left-ventricular-systolic-function-after-primary-percutaneous-coronary-intervention
#15
Dawod Sharif, Wisam Matanis, Amal Sharif-Rasslan, Uri Rosenschein
BACKGROUND: Myocardial stunning is responsible for partially reversible left ventricular (LV) systolic dysfunction after successful primary percutaneous coronary intervention (PPCI) in patients with acute ST-elevation myocardial infarction (STEMI). AIM: To test the hypothesis that early coronary blood flow (CBF) to LV systolic function ratios, as an equivalent to LV stunning index (SI), predict recovery of LV systolic function after PPCI in patients with acute STEMI...
October 2016: Echocardiography
https://www.readbyqxmd.com/read/27522670/multilayer-longitudinal-strain-at-rest-may-help-to-predict-significant-stenosis-of-the-left-anterior-descending-coronary-artery-in-patients-with-suspected-non-st-elevation-acute-coronary-syndrome
#16
Chong Liu, Jing Li, Min Ren, Zhen-Zhen Wang, Zi-Yao Li, Fei Gao, Jia-Wei Tian
Two-dimensional speckle tracking echocardiography (2D-STE) multilayer analysis of myocardial deformation is a non-invasive method that enables discrimination of transmural differences owing to myocardial ischemia or necrosis. We wished to ascertain if multilayer longitudinal strains at rest are associated with significant (≥70 %) stenosis of the left anterior descending coronary artery (LAD) in patients with suspected non-ST-elevation acute coronary syndrome (NSTE-ACS). Our cohort comprised 113 consecutive patients with suspected NSTE-ACS and preserved ejection fraction (EF)...
December 2016: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/27455835/effects-of-the-glucagon-like-peptide-1-receptor-agonist-liraglutide-on-systolic-function-in-patients-with-coronary-artery-disease-and-type-2-diabetes-a-randomized-double-blind-placebo-controlled-crossover-study
#17
RANDOMIZED CONTROLLED TRIAL
Preman Kumarathurai, Christian Anholm, Olav W Nielsen, Ole P Kristiansen, Jens Mølvig, Sten Madsbad, Steen B Haugaard, Ahmad Sajadieh
BACKGROUND: Patients with type 2 diabetes (T2D) and coronary artery disease (CAD) have increased risk of cardiac dysfunction. The diabetic heart is characterized by increased fatty acid oxidation and reduced glucose uptake resulting in reduced cardiac efficiency. Glucagon-like peptide-1 (GLP-1) has shown to increase myocardial glucose uptake and to improve myocardial function. We examined the effect of the GLP-1 receptor agonist, liraglutide, on the systolic function of the left ventricle (LV) in patients with T2D and stable CAD...
July 26, 2016: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/27441480/fo-atp-synthase-c-subunit-serum-levels-in-patients-with-st-segment-elevation-myocardial-infarction-preliminary-findings
#18
Gianluca Campo, Giampaolo Morciano, Rita Pavasini, Massimo Bonora, Luigi Sbano, Simone Biscaglia, Matteo Bovolenta, Mirko Pinotti, Silvia Punzetti, Paola Rizzo, Giorgio Aquila, Carlotta Giorgi, Roberto Ferrari, Paolo Pinton
BACKGROUND: Recent studies in cell cultures hypothesized that the long-sought molecular pore of the mitochondrial permeability transition pore could be the Fo ATP synthase C subunit (Csub). We assessed Csub in patients with ST-segment elevation myocardial infarction (STEMI) and if it is associated with surrogate endpoints of myocardial reperfusion. METHODS: We enrolled 158 first-time acute anterior STEMI treated with successful percutaneous coronary intervention (PCI)...
October 15, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27440565/postural-stability-in-older-adults-with-a-distal-radial-fracture
#19
Craig R Louer, Sean L Boone, Andre K Guthrie, John R Motley, Ryan P Calfee, Lindley B Wall
BACKGROUND: The physical risk factors leading to distal radial fractures are poorly understood. The goal of this study was to compare postural stability between older adults with and without a prior distal radial fragility fracture. METHODS: This case-control evaluation was performed at a single tertiary institution. The fracture cohort comprised 23 patients treated for a low-energy distal radial fracture within 6 to 24 months prior to this study. Twenty-three age and sex-matched control participants, without a prior fragility fracture, were selected from an outpatient clinic population...
July 20, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27394410/impact-of-early-coronary-revascularization-on-long-term-outcomes-in-patients-with-myocardial-ischemia-on-dobutamine-stress-echocardiography
#20
Hendrik J Boiten, Hande Ekmen, Felix Zijlstra, Ron T van Domburg, Arend F L Schinkel
The role of early coronary revascularization in the management of stable coronary artery disease remains controversial. The aim of this study was to evaluate the impact of early coronary revascularization on long-term outcomes (>10 years) after an ischemic dobutamine stress echocardiography (DSE) in patients with known or suspected coronary artery disease. Patients without stress-induced ischemia on DSE and those who underwent late coronary revascularization (>90 days after DSE) were excluded. The final study cohort consisted of 905 patients...
September 1, 2016: American Journal of Cardiology
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