Spanish results of the Second European Cardiac Resynchronization Therapy Survey (CRT-Survey II)

We describe the results for Spain of the Second European Cardiac Resynchronization Therapy Survey (CRT-Survey II) and compare them with those of the other participating countries.MethodsWe included patients undergoing CRT device implantation between October 2015 and December 2016 in 36 participating Spanish centers. We registered the patients’ baseline characteristics, implant procedure data, and short-term follow-up information until hospital discharge.ResultsImplant success was achieved in 95.9%. The median [interquartile range] annual implantation rate by center was significantly lower in Spain than in the other participating countries: 30 implants/y [21-50] vs 55 implants/y [33-100]; P = .00003. In Spanish centers, there was a lower proportion of patients ≥ 75 years (27.9% vs 32.4%; P = .0071), a higher proportion in New York Heart Association functional class II (46.9% vs 36.9%; P
Source: Revista Espanola de Cardiologia - Category: Cardiology Source Type: research

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Publication date: Available online 5 October 2019Source: Canadian Journal of CardiologyAuthor(s): Blandine Mondésert, Krishnakumar Nair, Christopher J. McLeod, Paul KhairyAbstractArrhythmias are a leading cause of morbidity in adults with congenital heart disease (CHD). Numerous challenges to managing arrhythmias include vascular access issues, intracardiac shunts, unconventional locations of the conduction system, and anatomical complexities. Technological advances are improving our ability to diagnose and treat arrhythmias. Implantable loop recorders and various technologies developed for consumers to record elect...
Source: Canadian Journal of Cardiology - Category: Cardiology Source Type: research
Erratum to "Comparison of Echocardiographic and Electrocardiographic Mapping for Cardiac Resynchronisation Therapy Optimisation". Cardiol Res Pract. 2019;2019:3849547 Authors: Pereira H, Jackson TA, Claridge S, Behar JM, Yao C, Sieniewicz B, Gould J, Porter B, Sidhu B, Gill J, Niederer S, Rinaldi CA Abstract [This corrects the article DOI: 10.1155/2019/4351693.]. PMID: 31559094 [PubMed - in process]
Source: Cardiology Research and Practice - Category: Cardiology Authors: Tags: Cardiol Res Pract Source Type: research
AbstractBackgroundChanges in left ventricular (LV) activation after cardiac resynchronization therapy (CRT) influence survival but are difficult to quantify non ‐invasively.Methods and ResultsWe studied 527 CRT patients to assess whether non ‐invasive quantification of changes in LV activation, defined by change (Δ) in QRS area(QRSA), can predict outcomes after CRT. The study outcome was time until LV assist device(LVAD), cardiac transplant, or death. The 3‐dimensional QRSA was measured from clinical 12 lead ECGs which were transfo rmed into vectorcardiograms using the Kors method. QRSA was calculated as (QRSx2...
Source: Journal of Cardiovascular Electrophysiology - Category: Cardiology Authors: Tags: ORIGINAL ‐ CLINICAL Source Type: research
Conclusions: PR prolongation predicts shorter survival free of heart transplantation or LVAD implantation in patients with LBBB. This may be due to inadequate ventricular resynchronization.This article is protected by copyright. All rights reserved
Source: Pacing and Clinical Electrophysiology : PACE - Category: Cardiology Authors: Tags: DEVICES Source Type: research
Approximately one third of patients with reduced left ventricular ejection fraction (LVEF) also have electrical mechanical dyssynchrony manifested as widened QRS durations on surface electrocardiogram [1]. The dyssynchronous contraction of the ventricle results in reduced efficiency of cardiac output, functional diastolic mitral regurgitation, and unfavorable progressive remodeling of both the left and right ventricles [2 –4]. Furthermore, QRS prolongation is a significant predictor of clinical deterioration, with increased prevalence of severe mitral regurgitation and increase risk for ventricular tachyarrhythmias, ...
Source: International Journal of Cardiology - Category: Cardiology Authors: Tags: Editorial Source Type: research
Abstract The electrocardiogram (ECG) has been reinvigorated by the identification of electrical alterations that were not definitely clarified before. In this context, and mainly regarding the definition of arrhythmogenic substrates, the association of the ECG with the vectorcardiogram (VCG) has gathered much more information about the cardiac electrical phenomena, thus allowing us to differentiate potentially fatal cases from benign ones. Obtaining a VCG concomitantly with the performance of an ECG has led to a significant gain in the definition of extremely sophisticated pathologies, which function suffer some type of st...
Source: Arquivos Brasileiros de Cardiologia - Category: Cardiology Source Type: research
AbstractBackgroundThere is no consensus in the literature regarding what the responsible mechanism of left ventricular dyssynchrony is; septal dyskinesia or late movement of left ventricle (LV) lateral wall. We aim to evaluate the abnormal systolic motion in each myocardial segment and the improvement of LV systolic function with pulsed tissue Doppler Imaging (TDI) in patients undergoing cardiac resynchronization therapy (CRT) with left bundle branch block (LBBB).Methods26 patients undergoing CRT implantation with LBBB, wide QRS duration ( ≥120 ms), low ejection fraction (EF) (
Source: Pacing and Clinical Electrophysiology : PACE - Category: Cardiology Authors: Tags: DEVICES Source Type: research
ConclusionPatients with ALBBB may have a favorable echocardiographic response to CRT and display similar survival rates to typical LBBB. This subgroup of IVCD should be considered for CRT.Condensed abstractAtypical left bundle branch morphology defined as QS or rS in lead V1, broad R waves in lead I, and aVL but with QS or rS in V5 –V6 is associated with favorable echocardiographic response to CRT and displays similar survival rates to typical LBBB patients.
Source: Journal of Interventional Cardiac Electrophysiology - Category: Cardiology Source Type: research
CONCLUSION: In our first Asian-Pacific real-world data, automated dynamic CRT optimization showed comparable efficacy to conventional methods regarding clinical outcomes and electromechanical remodeling. PMID: 31293111 [PubMed - in process]
Source: J Korean Med Sci - Category: General Medicine Authors: Tags: J Korean Med Sci Source Type: research
Peripartum cardiomyopathy (PPCM) is a potentially life ‐threatening condition typically presenting as heart failure with reduced ejection fraction (HFrEF) in the last month of pregnancy or in the months following delivery in women without another known cause of heart failure. This updated position statement summarizes the knowledge about pathophysiolo gical mechanisms, risk factors, clinical presentation, diagnosis and management of PPCM. As shortness of breath, fatigue and leg oedema are common in the peripartum period, a high index of suspicion is required to not miss the diagnosis. Measurement of natriuretic peptides,...
Source: European Journal of Heart Failure - Category: Cardiology Authors: Tags: Position Paper Source Type: research
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