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25,100 | Relationship of common hemodynamic and respiratory target parameters with brain tissue oxygen tension in the absence of hypoxemia or hypotension after cardiac arrest: A post-hoc analysis of an experimental study using a pig model. | Brain tissue oxygen tension (PbtO2)-guided care, a therapeutic strategy to treat or prevent cerebral hypoxia through modifying determinants of cerebral oxygen delivery, including arterial oxygen tension (PaO2), end-tidal carbon dioxide (ETCO2), and mean arterial pressure (MAP), has recently been introduced. Studies hav... |
25,101 | Effect of Renal and Left Ventricular Function on Serial Pulmonary Arterial Pressure Changes after Device Closure of Atrial Septal Defect. | The age of candidates for device closure of atrial septal defect (ASD) has been increasing. Thus, concerns exist about dyspnea aggravation or atrial fibrillation development after device closure due to augmentation of left ventricular (LV) and left atrial (LA) preload. This study aimed to examine patterns and determina... |
25,102 | A novel risk model to predict first-ever ischemic stroke in heart failure with reduced ejection fraction. | Patients with heart failure are at increased risk for ischemic stroke. We aim to develop a more accurate stroke risk prediction tools identify high-risk patients with heart failure with reduced ejection fraction (HFrEF). Patient data were extracted retrospectively from the electronic medical database between January 20... |
25,103 | Mapping strategies for premature ventricular contractions-activation, voltage, and/or pace map. | A high premature ventricular contraction (PVC) burden is associated with an increase in cardiovascular mortality and may become clinically apparent through palpitations, reduced physical capacity or PVC-induced cardiomyopathy. Catheter ablation has been shown to be a more effective tool to treat patients with... |
25,104 | A Case Report of Loperamide-Induced Ventricular Storm. | Loperamide is an easily accessible antidiarrheal medication. Unlike other medications in its class, loperamide is unique in that it causes euphoria at supratherapeutic levels due to its effect on opioid receptors. Unfortunately, with its growing abuse potential also comes increasing reports of cardiotoxicity including ... |
25,105 | Caffeine poisoning successfully treated by venoarterial extracorporeal membrane oxygenation and emergency hemodialysis. | Caffeine overdose can cause life-threatening circulatory failure, neurological abnormalities, and ventricular fibrillation. We report the case of a patient with caffeine poisoning who was successfully treated with early hemodialysis and venoarterial extracorporeal membrane oxygenation.</AbstractText>A 43-year-old man w... |
25,106 | Prognostic nutritional index and the risk of mortality in patients with hypertrophic cardiomyopathy. | Nutritional status has been related to clinical outcomes in patients with cardiovascular diseases. The prognostic impact of poor nutritional status in hypertrophic cardiomyopathy (HCM) is not clearly understood. The aim of the present study is to investigate the prognostic value of prognostic nutritional index (PNI), c... |
25,107 | Long-term outcomes of index cryoballoon ablation or point-by-point radiofrequency ablation in patients with atrial fibrillation and systolic heart failure. | Catheter ablation is an established effective approach for the treatment of atrial fibrillation (AF) in patients with heart failure, however, the role of cryoablation in this setting is unclear. Procedural success and left ventricular systolic dysfunction (LVEF) improvement in patients with LVEF ≤&#x... |
25,108 | Asystole episodes and bradycardia in patients with end-stage renal disease. | Knowledge of arrhythmias in patients with end-stage renal disease (ESRD) is mainly based on ambulatory electrocardiography (ECG) studies and observations during haemodialysis (HD). We used insertable cardiac monitors (ICMs) to define the prevalence of arrhythmias, focusing on bradyarrhythmias, in ESRD patients treated ... |
25,109 | Artificial intelligence-enhanced electrocardiography in cardiovascular disease management. | The application of artificial intelligence (AI) to the electrocardiogram (ECG), a ubiquitous and standardized test, is an example of the ongoing transformative effect of AI on cardiovascular medicine. Although the ECG has long offered valuable insights into cardiac and non-cardiac health and disease, its interpretation... |
25,110 | Feasibility of Performing Transvascular Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration. | Thoracic vascular structures often preclude transbronchial access to central lung parenchymal lesions and lymph nodes, thereby necessitating either a surgical or transvascular needle aspiration (TVNA) approach for diagnostic sampling. The aim of this study was to evaluate the safety and efficacy of endobronchial ultras... |
25,111 | Dapagliflozin in a Real-World Chronic Heart Failure Population: How Many Are Actually Eligible? | In patients with heart failure (HF) and reduced ejection fraction (HFrEF) with or without type 2 diabetes mellitus, the sodium-glucose cotransporter 2 inhibitor (SGLT2i) dapagliflozin was recently shown to reduce the risk of worsening HF or death from cardiovascular causes in the dapagliflozin in patients with heart fa... |
25,112 | Analyze Whilst Compressing algorithm for detection of ventricular fibrillation during CPR: A comparative performance evaluation for automated external defibrillators. | The aim of this study was to present new combination of algorithms for rhythm analysis during cardiopulmonary resuscitation (CPR) in automated external defibrillators (AED), called Analyze Whilst Compressing (AWC), designed for decreasing pre-shock pause and early stopping of chest compressions (CC) for treating refibr... |
25,113 | Incidence of Ventricular Arrhythmias and 1-Year Predictors of Mortality in Patients Treated With Implantable Cardioverter-Defibrillator Undergoing Generator Replacement. | Background When implantable cardioverter defibrillator (ICD) battery is depleted most patients undergo generator replacement (GR) even in the absence of persistent ICD indication. The aim of this study was to assess the incidence of ventricular arrhythmias and the overall prognosis of patients with and without persiste... |
25,114 | Torsade de Pointes Due to QT Prolongation after Pulmonary Vein Isolation for Persistent Atrial Fibrillation. | We herein report a 60-year-old woman with long-standing persistent atrial fibrillation (AF) who developed QT prolongation and torsade de pointes (TdP) after pulmonary vein isolation (PVI). When electrical cardioversion was performed three months before PVI, prominent QT prolongation was not observed. QT prolongation em... |
25,115 | Symptomatic Long QT Syndrome Coexisting with Asymptomatic Acetylcholine-induced Vasospasm. | We herein report a rare case of long QT syndrome (LQTS) coexisting with acetylcholine (Ach)-induced vasospasm. A 31-year-old woman experienced cardiopulmonary arrest during running. LQTS was diagnosed by an electrocardiogram, and the coexistence of Ach-induced vasospam was determined by an Ach provocation test on coron... |
25,116 | Witnessed Cardiac Arrest in a Hypothermic Avalanche Victim Completely Buried for 2 Hours. | A 34-y-old skier triggered a wind slab avalanche and was completely buried for over 2 h. After extrication by rescuers, the victim was breathing and conscious. Despite directions from the rescuers against standing up, the victim struggled to free himself and ultimately stood upright before collapsing in cardiac arrest.... |
25,117 | Is 40 Joules Enough to Successfully Defibrillate With Subcutaneous Implantable Cardioverter-Defibrillators? | This study evaluated the efficacy of conversion test performed at 40 J (defibrillation margin ≥40 J), and factors potentially associated with test failure were identified.</AbstractText>Current subcutaneous implantable cardioverter-defibrillator (S-ICD) devices deliver a maximum of 80 J. Functional def... |
25,118 | Association of Both High and Low Left Ventricular Ejection Fraction With Increased Risk After Coronary Artery Bypass Grafting. | While reduced left ventricular ejection fraction (LVEF) is a known risk factor for complications after coronary artery bypass grafting (CABG), the relevance of higher LVEF values has not been established. Currently, most risk stratification tools consider LVEF values above a certain point as normal. However, since this... |
25,119 | [Management of premature ventricular ectopy in cardiac resynchronization therapy : Treatment strategies for an optimized cardiac resynchronization]. | Cardiac resynchronization therapy (CRT) is an integral part in the treatment of chronic heart failure. However, a high degree of biventricular pacing is essential for the effectiveness of this therapy. In addition to atrial fibrillation, premature ventricular contractions (PVC) are a common cause of reduced b... |
25,120 | What we believed to be a right upper pulmonary vein by transthoracic echocardiography is actually a right lower pulmonary vein. | Current guidelines recommend that pulmonary vein (PV) velocity should be recorded by using the right upper pulmonary vein (RUPV) during transthoracic echocardiography (TTE) evaluation of left ventricular diastolic function. However, it is uncertain whether the PV displayed during TTE is truly measuring the upper PV. Th... |
25,121 | Left atrial appendage morphology predicts the formation of left atrial appendage thrombus. | Nonchicken wing left atrial appendage (LAA) morphology is associated with higher risk for stroke in patients with atrial fibrillation (AF) than chicken wing (CW) morphology.</AbstractText>Assess whether LAA morphology predicts the formation of LAA thrombus independent of age, sex, presenting rhythm, left ventricular ej... |
25,122 | Risk of in-hospital life-threatening ventricular arrhythmia or death after ST-elevation myocardial infarction vs. the Takotsubo syndrome. | The risk of life-threatening ventricular arrhythmias (LTVA) has been reported to be lower in Takotsubo syndrome (TS) compared with ST-elevation myocardial infarction (STEMI). However, the extent to which these differences relate to the fact that most patients with TS are women (who have a lower risk of LTVA) and a rela... |
25,123 | Assessment of a new volumetric capnography-derived parameter to reflect compression quality and to predict return of spontaneous circulation during cardiopulmonary resuscitation in a porcine model. | We aimed to evaluate a volumetric capnography (Vcap)-derived parameter, the volume of CO<sub>2</sub> eliminated per minute and per kg body weight (VCO<sub>2</sub>/kg), as an indicator of the quality of chest compression (CC) and to predict the return to spontaneous circulation (ROSC) under stable ventilation status. Tw... |
25,124 | Minor allele of GJA1 gene polymorphism is associated with higher heart rate during atrial fibrillation. | Atrial fibrillation (AF) tachycardia causes heart failure and requires more attention. The genetic background of individual heart rate (HR) variations during AF are unclear. We hypothesized that HR-associated single nucleotide polymorphisms (SNPs) reported in Genome-Wide Association Studies (GWAS) are also associated w... |
25,125 | Two-Week Burden of Arrhythmias across CKD Severity in a Large Community-Based Cohort: The ARIC Study. | CKD is associated with sudden cardiac death and atrial fibrillation (AF). However, other types of arrhythmia and different measures of the burden of arrhythmias, such as presence and frequency, have not been well characterized in CKD.</AbstractText>To quantify the burden of arrhythmias across CKD severity in 2257 commu... |
25,126 | Risk Stratification Among Survivors of Cardiac Arrest Considered for Coronary Angiography. | The American College of Cardiology Interventional Council published consensus-based recommendations to help identify resuscitated cardiac arrest patients with unfavorable clinical features in whom invasive procedures are unlikely to improve survival.</AbstractText>This study sought to identify how many unfavorable feat... |
25,127 | 2021 ISHNE/HRS/EHRA/APHRS Collaborative Statement on mHealth in Arrhythmia Management: Digital Medical Tools for Heart Rhythm Professionals: From the International Society for Holter and Noninvasive Electrocardiology/Heart Rhythm Society/European Heart Rhythm Association/Asia Pacific Heart Rhythm Society. | This collaborative statement from the International Society for Holter and Noninvasive Electrocardiology/Heart Rhythm Society/European Heart Rhythm Association/Asia Pacific Heart Rhythm Society describes the current status of mobile health ("mHealth") technologies in arrhythmia management. The range of digital medical ... |
25,128 | Right ventricular insertion promotes reinitiation of ventricular fibrillation in defibrillation failure. | Shocks near defibrillation threshold (nDFT) strength commonly extinguish all ventricular fibrillation (VF) wavefronts, but a train of rapid, well-organized postshock activations (PAs) typically appears before sinus rhythm ensues. If one of the PA waves undergoes partial propagation block (wavebreak), reentry may be ind... |
25,129 | Evolution of risk stratification and sudden death prevention in hypertrophic cardiomyopathy: Twenty years with the implantable cardioverter-defibrillator. | Hypertrophic cardiomyopathy (HCM) is a relatively common inherited myocardial disorder, once regarded as largely untreatable with ominous prognosis and most visibly as a common cause of sudden death (SD) in the young. Over the last several years, HCM has been transformed into a contemporary treatable disease with manag... |
25,130 | Extracorporeal cardiopulmonary resuscitation for adults with shock-refractory cardiac arrest. | Veno-arterial extracorporeal membrane oxygenation has increasingly emerged as a feasible treatment to mitigate the progressive multiorgan dysfunction that occurs during cardiac arrest, in support of further resuscitation efforts.</AbstractText>Because the recent systematic review commissioned in 2018 by the Internation... |
25,131 | Aborted sudden cardiac death due to ventricular fibrillation in a female patient with mitral valve prolapse. | Mitral valve prolapse is the most frequent valvular defect associated with a wide range of electro-hemodynamic abnormalities, leading to heart failure, arrhythmias and sudden cardiac death. Mitral valve prolapse, first described from Barlow in the 1960s, is defined as displacement of mitral leaflet tissue into the left... |
25,132 | Preventive Effect of Canstatin against Ventricular Arrhythmia Induced by Ischemia/Reperfusion Injury: A Pilot Study. | Ventricular arrhythmia induced by ischemia/reperfusion (I/R) injury is a clinical problem in reperfusion therapies for acute myocardial infarction. Ca<sup>2+</sup> overload through reactive oxygen species (ROS) production is a major cause for I/R-induced arrhythmia. We previously demonstrated that canstatin, a C-termin... |
25,133 | QT Prolongation in Dialysis Patients: An Epidemiological Study with a Focus on Malnutrition. | <AbstractText Label="BACKGROUND/AIMS">QT prolongation is a known risk factor for ventricular fibrillation and ventricular tachycardia. Therefore, more refined management is necessary to reduce sudden cardiac death secondary to such arrhythmias.</AbstractText>Electrocardiographic findings were reviewed in 224 patients, ... |
25,134 | Prognostic value of left ventricular mitral annular longitudinal displacement obtained by tissue Doppler imaging in patients with heart failure with reduced ejection fraction. | Tissue Doppler imaging (TDI) can be used to measure the mitral annular longitudinal displacement (LD) during systole. However, the prognostic utility of global and regional LD in patients with heart failure with reduced ejection fraction (HFrEF) is unknown.</AbstractText>Echocardiographic examinations from 907 patients... |
25,135 | Modified central extracorporeal membrane oxygenation for distended left ventricle. | A 38-year-old man who was resuscitated from ventricular fibrillation was diagnosed with acute aortic dissection complicated by coronary malperfusion. He underwent total aortic arch replacement and coronary artery bypass grafting to the left anterior descending coronary artery. Due to low cardiac output syndrome from ca... |
25,136 | Impact of the number of comorbidities on cardiac sympathetic derangement in patients with reduced ejection fraction heart failure. | Heart failure (HF) is frequently associated with comorbidities. 123</sup>I-metaiodobenzylguanidine (123</sup>I-mIBG) imaging constitutes an effective tool to measure cardiac adrenergic innervation and to improve prognostic stratification in HF patients, including the risk of major arrhythmic events. Although comorbidit... |
25,137 | Cardiac troponin release following left bundle branch pacing. | Left bundle branch pacing (LBBP) has emerged as an alternative to His bundle pacing (HBP) to achieve physiologic ventricular stimulation. The extent of myocardial injury during permanent LBBP implantation is currently not known. The aim of the study was to prospectively assess the extent of myocardial injury during LBB... |
25,138 | Ventricular fibrillation in a left ventricular assist device patient: Can the echocardiogram be misleading? | Sustained ventricular tachycardia and ventricular fibrillation (VF) are life-threatening arrhythmias which remain highly prevalent in patients with advanced heart failure. These ventricular arrhythmias may impair the support provided by continuous-flow left ventricular assist devices (CF-LVADs) and lead to frequent hos... |
25,139 | Predictors of ischemic stroke for low-risk patients with atrial fibrillation: A matched case-control study. | The predictors of ischemic stroke in "low-risk" patients with atrial fibrillation (AF) (CHA2</sub>DS2</sub>-VASc score 0 in men or 1 in women) are debated.</AbstractText>This study aimed to investigate the factors associated with ischemic stroke in low-risk patients with AF. Imaging characteristics of their ischemic st... |
25,140 | Exercise Ventricular Rates, Cardiopulmonary Exercise Performance, and Mortality in Patients With Heart Failure With Atrial Fibrillation. | In heart failure (HF) with sinus rhythm, resting and exercise heart rates correlate with exercise capacity and mortality. However, in HF with atrial fibrillation (AF), this correlation is unknown. Our aim is to investigate the association of resting and exercise ventricular rates (VRs) with exercise capacity and mortal... |
25,141 | Incremental Value of an Insertable Cardiac Monitor in Patients with Hypertrophic Cardiomyopathy with Low or Intermediate Risk for Sudden Cardiac Death. | The aim of the present study was to compare the rate of actionable arrhythmic events between patients with hypertrophic cardiomyopathy (HCM) who are monitored with an insertable cardiac monitor (ICM) or Holter monitoring.</AbstractText>We studied 50 patients (mean age 52 years, 72% men) with HCM at low or intermediate ... |
25,142 | Ultralow temperature cryoablation: Safety and efficacy of preclinical atrial and ventricular lesions. | Ultralow temperature cyroablation (ULTC) is designed to create focal, linear, and circumferential lesions. The aim of this study was to assess the safety, efficacy, and durability of atrial and ventricular ULTC lesions in preclinical large animal models.</AbstractText>The ULTC system uses nitrogen near its liquid-vapor... |
25,143 | Efficacy of antitachycardia pacing for electrical storms in patients with implantable defibrillators. | Although antitachycardia pacing (ATP) is effective in terminating ventricular tachyarrhythmias in patients with implantable cardioverter defibrillators (ICDs), the efficacy of ATP during an electrical storm (ES) and the positive impact on all-cause mortality have not been fully elucidated.</AbstractText>From 2010 to 20... |
25,144 | Value of left atrial diameter with CHA2DS2-VASc score in predicting left atrial/left atrial appendage thrombosis in non-valvular atrial fibrillation. | Atrial fibrillation is the most common persistent arrhythmia, and is the main factor that leads to thromboembolism.</AbstractText>To investigate the value of left atrial diameter combined with CHA2DS2-VASc score in predicting left atrial/left atrial appendage thrombosis in non-valvular atrial fibrillation.</AbstractTex... |
25,145 | Identification of patients at risk of sudden cardiac death in congenital heart disease: The PRospEctiVE study on implaNTable cardIOverter defibrillator therapy and suddeN cardiac death in Adults with Congenital Heart Disease (PREVENTION-ACHD). | Sudden cardiac death (SCD) is the main preventable cause of death in patients with adult congenital heart disease (ACHD). Since robust risk stratification methods are lacking, we developed a risk score model to predict SCD in patients with ACHD: the PRospEctiVE study on implaNTable cardIOverter defibrillator therapy an... |
25,146 | Causes of syncopal recurrences in patients treated with permanent pacing for bradyarrhythmic syncope: Findings from the SYNCOPACED registry. | Few studies have examined the causes of syncope/collapse recurrences in patients with a previously implanted pacemaker for bradyarrhythmic syncope.</AbstractText>The purpose of this study was to assess the causes of syncope/collapse recurrences after pacemaker implantation for bradyarrhythmic syncope in a large patient... |
25,147 | Atrial fibrillation following low voltage electrical injury. | Electrical injuries can have myriad presentations, including significant cardiac involvement. Arrhythmias are the most frequently experienced cardiac affliction, of which sinus tachycardia or bradycardia, ventricular fibrillation, atrial or ventricular premature beats and bundle branch block are most commonly reported.... |
25,148 | Apparent electrocardiogram left ventricular hypertrophy during tachycardia. | The electrocardiographic transient display of left ventricular hypertrophy (LVH), during rapid heart rates, in the setting of sinus/supraventricular tachycardias and atrial fibrillation, is illustrated via 3 case reports. This common occurrence is expressed by an increase in the S-waves in leads V2-V5, during tachycard... |
25,149 | Tricuspid regurgitation after transcatheter mitral valve repair: Clinical course and impact on outcome. | The aim of this study was to determine the course of tricuspid regurgitation (TR) after transcatheter mitral valve repair (TMVR), identify predictors for severe TR after TMVR and determine the association of severe TR after TMVR with outcome.</AbstractText>TR is often present in patients with symptomatic mitral regurgi... |
25,150 | Left Stellate Ganglion Ablation Inhibits Ventricular Arrhythmias through Macrophage Regulation in Canines with Acute Ischemic Stroke. | To investigate the potential mechanism of ventricular arrhythmias (VAs) after acute ischemic stroke and explore the effects of left stellate gangling (LSG) ablation on VAs induced by stroke in canines. <b>Materials and Methods:</b> Twenty canines were randomly divided into the sham-operated group (n=6), AS group (n=7) ... |
25,151 | FLNC and MYLK2 Gene Mutations in a Chinese Family with Different Phenotypes of Cardiomyopathy. | Mutations in the sarcomeric protein filamin C (FLNC) gene have been linked to hypertrophic cardiomyopathy (HCM), as they have been determined to increase the risk of ventricular arrhythmia and sudden death. Thus, in this study, we identified a novel missense mutation of FLNC in a Chinese family with HCM, and, interesti... |
25,152 | Electrocardiographic features and their echocardiographic correlates in peripartum cardiomyopathy: results from the ESC EORP PPCM registry. | In peripartum cardiomyopathy (PPCM), electrocardiography (ECG) and its relationship to echocardiography have not yet been investigated in large multi-centre and multi-ethnic studies. We aimed to identify ECG abnormalities associated with PPCM, including regional and ethnic differences, and their correlation with echoca... |
25,153 | Premature ventricular contraction is associated with increased risk of atrial fibrillation: a nationwide population-based study. | Premature ventricular contraction (PVC) and atrial fibrillation (AF) are common arrhythmias affecting 1-2% of the general population. During PVC, retrograde ventriculo-atrial activation can occur and act like an atrial ectopy. However, the clinical significance of this phenomenon is not fully understood. We aimed to el... |
25,154 | A framework of current based defibrillation improves defibrillation efficacy of biphasic truncated exponential waveform in rabbits. | Defibrillation is accomplished by the passage of sufficient current through the heart to terminate ventricular fibrillation (VF). Although current-based defibrillation has been shown to be superior to energy-based defibrillation with monophasic waveforms, defibrillators with biphasic waveforms still use energy as a the... |
25,155 | Trauma, a Matter of the Heart-Molecular Mechanism of Post-Traumatic Cardiac Dysfunction. | Trauma remains a leading global cause of mortality, particularly in the young population. In the United States, approximately 30,000 patients with blunt cardiac trauma were recorded annually. Cardiac damage is a predictor for poor outcome after multiple trauma, with a poor prognosis and prolonged in-hospitalization. Sy... |
25,156 | Determination of Cerebrovascular Accident Predictors in Patients with New-Onset Atrial Fibrillation After Coronary Artery Bypass Graft Surgery. | Postoperative atrial fibrillation (POAF) is associated with an increased risk of short and long-term stroke. Our aim is to identify the independent predictors of cerebrovascular accident (CVA) development in the patients who underwent isolated coronary artery bypass graft (CABG) surgery and developed POAF which lasted ... |
25,157 | Atrial fibrosis underlying atrial fibrillation (Review). | Atrial fibrillation (AF) is one of the most common tachyarrhythmias observed in the clinic and is characterized by structural and electrical remodelling. Atrial fibrosis, an emblem of atrial structural remodelling, is a complex multifactorial and patient‑specific process involved in the occurrence and maintenanc... |
25,158 | The Investigation of Left Atrial Structure and Stroke Etiology: The I-LASER Study. | Background Left atrial (LA) function is important in stroke, but often poorly characterized. We evaluated the association of 2-dimensional speckle tracking echocardiography LA variables with stroke subtype (cardioembolic stroke [CS] <i>or</i> cryptogenic stroke versus other). The hypothesis is worse LA active function ... |
25,159 | A primer for managing cardiac transplant patients in the emergency department setting. | Cardiac transplant is an effective long-term management option for several severe cardiac diseases. These cardiac transplant patients may present to the emergency department with a range of issues involving the cardiac transplantation, including complications due to their transplant as well as altered presentations of ... |
25,160 | Cardiac resynchronization therapy and ventricular tachyarrhythmia burden. | Cardiac resynchronization therapy-defibrillator (CRT-D) may reduce the incidence of first ventricular tachyarrhythmia (VTA) in patients with heart failure (HF) and left bundle branch block (LBBB).</AbstractText>The purpose of this study was to assess the effect of CRT-D on VTA burden in LBBB patients.</AbstractText>We ... |
25,161 | Initial Clinical Experience With Mitral Valve Translocation for Secondary Mitral Regurgitation. | Functional (secondary) mitral regurgitation (FMR) results from altered geometry of the mitral valve apparatus. Repair with restrictive mitral annuloplasty is associated with high rates of recurrent mitral regurgitation (MR). We developed a novel operative repair for FMR that translocates the intact mitral valve towards... |
25,162 | Clinical profile and contemporary management of patients with heart failure with preserved ejection fraction: results from the CHECK-HF registry. | Clinical management of heart failure with preserved ejection fraction (HFpEF) centres on treating comorbidities and is likely to vary between countries. Thus, to provide insight into the current management of HFpEF, studies from multiple countries are required. We evaluated the clinical profiles and current management ... |
25,163 | Assessment of left ventricular filling pressure with Doppler velocities across the patent foramen ovale. | The utility of Doppler velocities across the patent foramen ovale (PFO) to estimate left ventricular (LV) filling pressure is not well known.</AbstractText>The best cut-off value of peak interatrial septal velocity across a transeptal puncture site measured by transesophageal echocardiography for estimating high mean l... |
25,164 | Iatrogenic ventricular fibrillation caused by inappropriately synchronized cardioversion in a patient with pre-excited atrial fibrillation: A case report.<Pagination><StartPage>31</StartPage><EndPage>34</EndPage><MedlinePgn>31-34</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jccase.2020.08.0... | Direct-current (DC) cardioversion is effective at terminating arrhythmias in an emergency. During treatment, energy delivery synchronizing with the QRS complex is essential to avoid ventricular fibrillation (VF) caused by a shock on the T wave, which is the vulnerable period of ventricular repolarization. However, dist... |
25,165 | Predictors of mortality and adverse events in patients with infective endocarditis: a retrospective real world study in a surgical centre. | Mortality in infective endocarditis (IE) is still high, and the long term prognosis remains uncertain. This study aimed to identify predictors of long-term mortality for any cause, adverse event rate, relapse rate, valvular and ventricular dysfunction at follow-up, in a real-world surgical centre.</AbstractText>We retr... |
25,166 | Single tests of implantable cardioverter defibrillators can be performed in selected patients at a low risk of neuronal damage. | Defibrillator testing (DFT) is still used in selected patients to ensure adequate therapy. To do so, ventricular fibrillation is induced and terminated by the implanted cardioverter defibrillator (ICD). Studies have shown increases in neuronal damage markers without a measurable clinical effect in patients after defibr... |
25,167 | Optimal vortex formation time index in mitral valve stenosis. | Left ventricular vortex formation time (VFT) is a novel dimensionless index of flow propagation during left ventricular diastole, which has been demonstrated to be useful in heart failure and cardiomyopathy. In mitral stenosis (MS), flow propagation in the LV may be suboptimal. We studied VFT in varying degrees of MS. ... |
25,168 | Effect of Out-of-Hospital Sodium Nitrite on Survival to Hospital Admission After Cardiac Arrest: A Randomized Clinical Trial. | Therapeutic delivery of sodium nitrite during resuscitation improved survival in animal models of cardiac arrest, but efficacy has not been evaluated in clinical trials in humans.</AbstractText>To determine whether parenteral administration of sodium nitrite given by paramedics during resuscitation for out-of-hospital ... |
25,169 | Associating cryptogenic ischemic stroke in the young with cardiovascular risk factor phenotypes. | Acute Ischemic Stroke (AIS) in the young is increasing in prevalence and the largest subtype within this cohort is cryptogenic. To curb this trend, new ways of defining cryptogenic stroke and associated risk factors are needed. We aimed to gain insights into the presence or absence of cardiovascular risk factors in cas... |
25,170 | [Cardiovascular disorders in autosomal dominant polycystic kidney disease]. | Autosomal dominant polycystic kidney disease is the most frequent genetic kidney disease. Cardiovascular disorders associated with autosomal dominant polycystic kidney disease are multiple and may occur early in life. In autosomal dominant polycystic kidney disease cardiovascular morbidity and mortality are related bot... |
25,171 | [Feasibility and safety of right ventricular endomyocardial biopsy via the right internal jugular vein approach]. | <b>Objective:</b> To evaluate the feasibility and safety of right ventricular endomyocardial biopsy (EMB) via the right internal jugular vein approach. <b>Methods:</b> It was a retrospective and descriptive study. A total of 272 patients, who underwent right ventricular EMB from December 2014 to June 2020 in Fuwai Hosp... |
25,172 | Connexin45 (GJC1) loss-of-function mutation contributes to familial atrial fibrillation and conduction disease. | Atrial fibrillation (AF) represents the most common clinical cardiac arrhythmia and substantially increases the risk of cerebral stroke, heart failure, and death. Although causative genes for AF have been identified, the genetic determinants for AF remain largely unclear.</AbstractText>This study aimed to investigate t... |
25,173 | High-risk atrioventricular block in Brugada syndrome patients with a history of syncope. | Determining the etiology of syncope is challenging in Brugada syndrome (BrS) patients. Implantable cardioverter defibrillator placement is recommended in BrS patients who are presumed to have arrhythmic syncope. However, arrhythmic syncope in BrS patients can occur in the setting of atrioventricular block (AVB), which ... |
25,174 | An exploratory analysis of effects of poyendarone, a deuterated analogue of dronedarone, on the canine model of paroxysmal atrial fibrillation. | Poyendarone, a deuterated analogue of dronedarone, is expected to reduce the onset of cardiovascular adverse events of dronedarone, including congestive heart failure and excessive QT-interval prolongation. Since information is still lacking on the anti-atrial fibrillatory property of poyendarone, we assessed it along ... |
25,175 | Long-term outcomes after radiofrequency catheter ablation of the atrioventricular node: The experience of a Portuguese tertiary center. | In patients with supraventricular arrhythmias and high ventricular rate, unresponsive to rate and rhythm control therapy or catheter ablation, atrioventricular (AV) node ablation may be performed.</AbstractText>To assess long-term outcomes after AV node ablation and to analyze predictors of adverse events.</AbstractTex... |
25,176 | A case of anomalous aortic origin of coronary artery associated with a coved-type electrocardiogram. | Brugada syndrome (BrS) is a sudden cardiac death syndrome characterized by a coved-type electrocardiogram (ECG). Different disorders, such as ischemia, can emulate a Brugada-pattern ECG (Brugada phenocopy). We report herein, the first case of surgical epicardial electrophysiological mapping in a successfully resuscitat... |
25,177 | Comparative effectiveness of direct oral anticoagulants and warfarin for the treatment of left ventricular thrombus. | Left ventricular (LV) thrombus is a complication of acute endomyocardial injury and chronic ventricular wall hypokinesis, resulting in increased risk of thromboembolic complications. Observational studies support the general safety and efficacy of warfarin for this indication. Limited data exists regarding the use of d... |
25,178 | Effects of Shenfu Injection () on Inflammatory Response during Post-Resuscitation Myocardial Dysfunction after Cardiac Arrest in Swine. | To investigate whether Shenfu Injection (SFI, ) can alleviate post-resuscitation myocardial dysfunction by inhibiting the inflammatory response.</AbstractText>After 8 min of ventricular fibrillation and 2 min of basic life support, 24 pigs were randomly divided into 3 groups (n=8), which were given intravenous bolus in... |
25,179 | Stimulation and propagation of activation in conduction tissue: Implications for left bundle branch area pacing. | Characterizing wavefront generation and impulse conduction in left bundle (LB) has implications for left bundle branch area pacing (LBBAP).</AbstractText>The purpose of this study was to describe the pacing characteristics of LB and to study the role of pacing pulse width (PW) in overcoming left bundle branch block.</A... |
25,180 | Intermediate-term performance and safety of His-bundle pacing leads: A single-center experience. | The short-term safety, feasibility, and performance of His-bundle pacing (HBP) leads have been reported; however, their longer-term performance beyond 1 year remains unclear.</AbstractText>The purpose of this study was to examine the intermediate-term performance and safety of HBP.</AbstractText>All HBP lead implants a... |
25,181 | Predicted benefit of an implantable cardioverter-defibrillator: the MADIT-ICD benefit score. | The benefit of prophylactic implantable cardioverter-defibrillator (ICD) is not uniform due to differences in the risk of life-threatening ventricular tachycardia (VT)/ventricular fibrillation (VF) and non-arrhythmic mortality. We aimed to develop an ICD benefit prediction score that integrates the competing risks.</Ab... |
25,182 | Atrial Fibrillation in Patients Undergoing Allogeneic Hematopoietic Cell Transplantation. | To examine the incidence and risk factors for de novo atrial fibrillation (AF) after allogeneic hematopoietic cell transplantation (HCT) and to describe the impact of AF on HCT-related outcomes.</AbstractText>A retrospective cohort study design was used to examine AF and associated outcomes in 487 patients who underwen... |
25,183 | Incidence, predictors and outcomes of device-related thrombus after left atrial appendage closure with the WATCHMAN device-Insights from the EWOLUTION real world registry. | In this analysis of the EWOLUTION registry, we evaluated the incidence, relevance and predictors of device-related thrombus in a large multi-center real-world cohort undergoing LAAc with the WATCHMAN device.</AbstractText>We analyzed the 835 patients who underwent percutaneous LAA closure with the WATCHMAN device in th... |
25,184 | Long-term follow-up in patients with Brugada Syndrome in South China. | To evaluate the presence of Brugada electrocardiogram (ECG) pattern, clinical characteristics, treatment, and long-term prognosis of Brugada syndrome in southern Chinese population.</AbstractText>This prospective study consisted of a consecutive series of patients with diagnostic coved type I Brugada ECG pattern at bas... |
25,185 | Detection of ventricular arrhythmia using hybrid time-frequency-based features and deep neural network. | Sudden cardiac death (SCD) is a major cause of death among patients with heart diseases. It occurs mainly due to ventricular tachyarrhythmia (VTA) which includes ventricular tachycardia (VT) and ventricular fibrillation (VF) conditions. The main challenging task is to predict the VTA condition at a faster rate and time... |
25,186 | Comparison of clinical and procedural outcomes between high-power short-duration, standard-power standard-duration, and temperature-controlled noncontact force guided ablation for atrial fibrillation. | High-power short-duration (HPSD) ablation is a novel strategy using contact force-sensing catheters optimized for power-controlled radiofrequency ablation for atrial fibrillation (AF). This study investigates the outcomes of HPSD (50 W delivered for up to 15 s, Lesion Size Index of 5-6) compared to standa... |
25,187 | Calcium-Induced Autonomic Denervation in Patients With Post-Operative Atrial Fibrillation. | Post-operative atrial fibrillation (POAF) is associated with worse long-term cardiovascular outcomes.</AbstractText>This study hypothesized that injecting calcium chloride (CaCl2</sub>) into the major atrial ganglionated plexi (GPs) during isolated coronary artery bypass grafting (CABG) can reduce the incidence of POAF... |
25,188 | Myocardial Fibrosis as a Predictor of Sudden Death in Patients With Coronary Artery Disease. | The "gray zone" of myocardial fibrosis (GZF) on cardiovascular magnetic resonance may be a substrate for ventricular arrhythmias (VAs).</AbstractText>The purpose of this study was to determine whether GZF predicts sudden cardiac death (SCD) and VAs (ventricular fibrillation or sustained ventricular tachycardia) in pati... |
25,189 | Early Feasibility Study of Cardioband Tricuspid System for Functional Tricuspid Regurgitation: 30-Day Outcomes. | The study reports for the first time the 30-day outcomes of the first U.S. study with the Cardioband tricuspid valve reconstruction system for the treatment of functional tricuspid regurgitation (TR).</AbstractText>Increasing severity of TR is associated with progressively higher morbidity and mortality; however, treat... |
25,190 | Influence of Atrial Fibrillation on Functional Tricuspid Regurgitation in Patients With HeartMate 3. | Background Functional tricuspid regurgitation (TR) can occur secondary to atrial fibrillation (AF). The impact of AF on functional TR and cardiovascular events is uncertain in patients with left ventricular assist devices. This study aimed to investigate the effect of AF on functional TR and cardiovascular events in pa... |
25,191 | Transcatheter ablation of the atrioventricular junction in refractory atrial fibrillation: A clinicopathological study. | Catheter ablation of the specialized atrioventricular junction (AVJ) with a right-side approach is an effective therapy for refractory atrial fibrillation with fast ventricular rate. Our aim is to assess the efficacy of the procedure in a single center experience and investigate the histologic findings of AVJ after cat... |
25,192 | Resistance to ventricular fibrillation predicted by the QRS/QTc - Ratio in an intact rat model of hypothermia/rewarming. | Accidental hypothermia is associated with increased risk for arrhythmias. QRS/QTc is proposed as an ECG-marker, where decreasing values predict hypothermia-induced ventricular arrhythmias. If reliable it should also predict nonappearance of arrhythmias, observed in species like rat that regularly tolerate prolonged hyp... |
25,193 | The regulation of the small-conductance calcium-activated potassium current and the mechanisms of sex dimorphism in J wave syndrome. | Apamin-sensitive small-conductance calcium-activated potassium (SK) current (I<sub>KAS</sub>) plays an important role in cardiac repolarization under a variety of physiological and pathological conditions. The regulation of cardiac I<sub>KAS</sub> relies on SK channel expression, intracellular Ca<sup>2+</sup>, and inte... |
25,194 | Long-term prognosis of short QT interval in Korean patients: a multicenter retrospective cohort study. | Short QT syndrome is a rare, inherited channelopathy associated with sudden cardiac arrest (SCA) but the characteristics and prognosis of short QT interval (SQTI) in Korean patients remain unclear. This study aimed to determine the clinical characteristics and outcomes of SQTI in a Korean population.</AbstractText>Cons... |
25,195 | Associations of Empagliflozin With Left Ventricular Volumes, Mass, and Function in Patients With Heart Failure and Reduced Ejection Fraction: A Substudy of the Empire HF Randomized Clinical Trial. | Sodium-glucose cotransporter-2 inhibitors (SGLT2i) improve outcomes in patients with heart failure and a reduced ejection fraction (HFrEF). The association with cardiac remodeling has not been investigated.</AbstractText>To investigate the outcome of the SGLT2i empagliflozin, compared with placebo, on cardiac remodelin... |
25,196 | Use of Disproportionality Analysis to Identify Previously Unknown Drug-Associated Causes of Cardiac Arrhythmias Using the Food and Drug Administration Adverse Event Reporting System (FAERS) Database. | Drug-induced QTc</sub>-prolongation is a well-known adverse drug reaction (ADR), however there is limited knowledge of other drug-induced arrhythmias.</AbstractText>The objective of this study is to determine the drugs reported to be associated with arrhythmias other than QTc</sub>-prolongation using the FAERS database... |
25,197 | Targeted Temperature Management Suppresses Hypoxia-Inducible Factor-1α and Vascular Endothelial Growth Factor Expression in a Pig Model of Cardiac Arrest. | The hypoxia-inducible factor-1α (HIF-1α)/vascular endothelial growth factor (VEGF)/VEGF receptor subtype 2 (VEGFR-2) pathway has been implicated in ischemia/reperfusion injury. The aim of this study was to clarify whether whole-body hypothermic targeted temperature management (HTTM) inhibits the HIF-1α... |
25,198 | Prognostic Value of Nonischemic Ringlike Left Ventricular Scar in Patients With Apparently Idiopathic Nonsustained Ventricular Arrhythmias. | Left ventricular (LV) scar on late gadolinium enhancement (LGE) cardiac magnetic resonance has been correlated with life-threatening arrhythmic events in patients with apparently idiopathic ventricular arrhythmias (VAs). We investigated the prognostic significance of a specific LV-LGE phenotype characterized by a ringl... |
25,199 | Impella CP and ProtekDuo as a bridge to recovery following surgical revascularization complicated by electrical storm. | Short-term mechanical circulatory support (MCS) devices are designed to provide hemodynamic support for a wide range of clinical conditions such as high-risk cardiac surgery or interventional procedures, post-cardiotomy cardiogenic shock, acute decompensated heart failure. Electrical storm (defined as three or more sus... |
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