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cardiac resynchronisation therapy

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https://www.readbyqxmd.com/read/29217631/how-to-deliver-optimal-cardiac-resynchronisation-therapy
#1
Panagiota Anna Chousou, Peter J Pugh
No abstract text is available yet for this article.
December 7, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29153215/-cardiac-resynchronisation
#2
Olivier Barthez
A fifth of patients with heart failure suffer from conduction disorders. A prolonged QRS duration on the electrocardiogram is an indicator of cardiac dyssynchrony. Several studies have shown the efficacy of cardiac resynchronisation therapy (CRT) in patients with a wide QRS duration: CRT is associated with reduced morbidity and mortality. An overview of the methods of implantation of CRT devices, the results of this electrical treatment and its limits.
November 2017: Soins; la Revue de Référence Infirmière
https://www.readbyqxmd.com/read/29112879/myocardial-strain-computed-at-multiple-spatial-scales-from-tagged-magnetic-resonance-imaging-estimating-cardiac-biomarkers-for-crt-patients
#3
Matthew Sinclair, Devis Peressutti, Esther Puyol-Antón, Wenjia Bai, Simone Rivolo, Jessica Webb, Simon Claridge, Thomas Jackson, David Nordsletten, Myrianthi Hadjicharalambous, Eric Kerfoot, Christopher A Rinaldi, Daniel Rueckert, Andrew P King
Abnormal cardiac motion can indicate different forms of disease, which can manifest at different spatial scales in the myocardium. Many studies have sought to characterise particular motion abnormalities associated with specific diseases, and to utilise motion information to improve diagnoses. However, the importance of spatial scale in the analysis of cardiac deformation has not been extensively investigated. We build on recent work on the analysis of myocardial strains at different spatial scales using a cardiac motion atlas to find the optimal scales for estimating different cardiac biomarkers...
October 31, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/29097067/contemporary-review-of-left-bundle-branch-block-in-the-failing-heart-pathogenesis-prognosis-and-therapy
#4
REVIEW
Juliana Kanawati, Raymond W Sy
Cardiac resynchronisation therapy (CRT) is a cornerstone in the contemporary management of heart failure. The most effective way of predicting response to this therapy remains electrocardiographic (ECG) criteria of electromechanical dyssynchrony. The left bundle branch block (LBBB) pattern is currently the most robust ECG criterion in predicting improvement in symptoms and reduction in mortality. However, recent studies using three-dimensional (3D) mapping and cardiac magnetic resonance imaging (CMR) have demonstrated heterogeneous left ventricular activation patterns in patients with LBBB...
October 6, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29064045/long-term-outcome-of-catheter-ablation-and-other-form-of-therapy-for-electrical-storm-in-patients-with-implantable-cardioverter-defibrillators
#5
Stanislaw Morawski, Patrycja Pruszkowska, Beata Sredniawa, Radoslaw Lenarczyk, Zbigniew Kalarus
PURPOSE: Radiofrequency catheter ablation (RFCA) for electrical storm (ES) has become a widely used therapeutic method. Its effectiveness in comparison to other forms of ES treatment is however uncertain. METHODS: This single-centre retrospective study investigated the long-term clinical outcome after RFCA for ES and compared long-time effects of ablation to other forms of treatment. The study population consisted of 70 consecutive patients hospitalised between January 2010 and June 2015 due to ES...
October 24, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29057442/-subcutaneous-implantable-cardioverter-defibrillator-in-prevention-of-sudden-cardiac-death-in-poland-opinion-paper-endorsed-by-the-polish-cardiac-society-working-group-on-heart-rhythm
#6
Paweł Ptaszyński, Marcin Grabowski, Oskar Kowalski, Maciej Kempa, Przemysław Mitkowski, Andrzej Przybylski, Maciej Sterliński
In the past years, cardiovascular mortality has decreased but despite these cardiovascular diseases are responsible for millions of deaths every year in the world and approximately 25% of which are sudden cardiac death (SCD). Implantable defibrillators (ICD) is proven therapy used in primary and secondary SCD prevention. Currently majority of devices use transvenous leads inserted predominantly into the right heart for both pacing and defibrillation. On the other hand, ICD may cause complica-tions, including inappropriate shocks, device-related infection and lead failure...
2017: Kardiologia Polska
https://www.readbyqxmd.com/read/29054185/the-prognostic-significance-of-serum-sodium-in-a-population-undergoing-cardiac-resynchronisation-therapy
#7
Kaushik Guha, Jens Spießhöfer, Adam Hartley, Simon Pearse, Philip Y Xiu, Rakesh Sharma
PURPOSE: To determine the prognostic implications of changes towards hyponatremia at varying time-points in the treatment of patients undergoing cardiac resynchronisation therapy (CRT). METHODS: A retrospective series of 249 patients was studied from 2002 to 2013. The population was categorized on the basis of serum sodium profile at baseline, at 1 month and at 6 month follow up visits following successful CRT implantation. The composite endpoint was all-cause mortality and heart failure hospitalisation (defined by the need for intravenous diuretic therapy) following CRT implantation...
September 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/29025373/the-prognostic-value-of-high-sensitive-cardiac-troponin-i-in-patients-receiving-cardiac-resynchronisation-therapy
#8
Michal Kerekanič, Marek Hudák, Silvia Mišíková, Erika Komanová, Alexander Bohó, Ján Kyselovič, Branislav Stančák
BACKGROUND: Cardiac troponin I (cTnI) is a valuable prognostic biomarker in patients with chronic heart failure (CHF). However, the prognostic importance of cTnI in patients who received cardiac resynchronisation therapy (CRT) remains unknown. The aim of this prospective study was to determine the prognostic value of high-sensitive cTnI (hs-cTnI) in CHF patients receiving CRT. METHODS: We performed measurements of baseline hs-cTnI levels in CRT patients with ischaemic as well as nonischaemic aetiology of CHF, and we investigated their possible association with response to CRT and survival of patients...
October 12, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/29018517/key-lessons-from-the-electra-registry-in-the-modern-era-of-transvenous-lead-extraction
#9
Angelo Auricchio, François Regoli, Giulio Conte, Maria Luce Caputo
The implantation rate of cardiac electronic devices has grown over the past decades. The number of treated patients has increased in parallel with the complexity of the patient population treated, being older, frailer, having more complex devices (in particular, cardiac resynchronisation therapy) and presenting with a greater comorbidity burden. As a consequence, there is a rising number of related implanted system complications, including malfunction and infection. Thus, the demand for transvenous lead extraction (TLE) has also substantially increased...
August 2017: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/28970277/cost-effectiveness-of-a-risk-stratified-approach-to-cardiac-resynchronisation-therapy-defibrillators-high-versus-low-at-the-time-of-generator-change
#10
Simon Claridge, Frederic A Sebag, Steven Fearn, Jonathan M Behar, Bradley Porter, Tom Jackson, Benjamin Sieniewicz, Justin Gould, Jessica Webb, Zhong Chen, Mark O'Neill, Jaswinder Gill, Christophe Leclercq, Christopher A Rinaldi
OBJECTIVE: Responders to cardiac resynchronisation therapy whose device has a defibrillator component and who do not receive a therapy in the lifetime of the first generator have a very low incidence of appropriate therapy after box change. We investigated the cost implications of using a risk stratification tool at the time of generator change resulting in these patients being reimplanted with a resynchronisation pacemaker. METHODS: A decision tree was created using previously published data which had demonstrated an annualised appropriate defibrillator therapy risk of 2...
September 29, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28954827/cardiac-resynchronisation-therapy-current-indications-management-and-basic-troubleshooting
#11
Praveen Rao, Mitchell Faddis
No abstract text is available yet for this article.
September 27, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28886927/suitability-of-cardiac-resynchronisation-therapy-in-patients-with-fontan-circulation-and-congenitally-corrected-transposition-of-the-great-arteries
#12
P Demetriades, A Bell, C Gubran, H Marshall, J de Bono, L Hudsmith
BACKGROUND: Cardiac resynchronisation therapy (CRT) is a well-recognised treatment in systolic heart failure. There is limited evidence in congenital patients with univentricular hearts or systemic right ventricles. In 2014 PACES/HRS published a consensus statement recommending CRT if ventricular ejection fraction (EF)≤35%, QRS duration≥150ms (with RBBB in systemic RV), NYHA II-IV and ventricular dilatation. The incidence of patients meeting these criteria in whom CRT is possible is not known...
December 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28878953/extracellular-cardiac-matrix-biomarkers-in-patients-with-reduced-ejection-fraction-heart-failure-as-predictors-of-response-to-cardiac-resynchronisation-therapy-a-systematic-review
#13
REVIEW
Christopher J McAloon, Danish Ali, Thomas Hamborg, Prithwish Banerjee, Paul O'Hare, Harpal Randeva, Faizel Osman
OBJECTIVE: Cardiac resynchronisation therapy (CRT) is an effective therapy for selected patients with heart failure (HF); however, a significant non-response rate exists. We examined current evidence on extracellular cardiac matrix (ECM) biomarkers in predicting response following CRT. METHODS: Complete literature review of PubMed, Ovid SP MEDLINE, Cochrane Library and TRIP, reference lists, international cardiology conferences and ongoing studies between December 1999 and December 2015 conducted according to prospectively registered study selection and analysis criteria (PROSPERO:CRD42016025864) was performed...
2017: Open Heart
https://www.readbyqxmd.com/read/28845234/a-review-of-image-guided-approaches-for-cardiac-resynchronisation-therapy
#14
Haipeng Tang, Shaojie Tang, Weihua Zhou
Cardiac resynchronisation therapy (CRT) is a standard treatment for patients with heart failure; however, the low response rate significantly reduces its cost-effectiveness. A favourable CRT response primarily depends on whether implanters can identify the optimal left ventricular (LV) lead position and accurately place the lead at the recommended site. Myocardial imaging techniques, including echocardiography, cardiac magnetic resonance imaging and nuclear imaging, have been used to assess LV myocardial viability and mechanical dyssynchrony, and deduce the optimal LV lead position...
June 2017: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/28830263/a-comparison-of-the-different-features-of-quadripolar-left-ventricular-pacing-leads-to-deliver-cardiac-resynchronisation-therapy
#15
Antonios P Antoniadis, Jonathan M Behar, Ben Sieniewicz, Justin Gould, Steven Niederer, Christopher A Rinaldi
Introduction Cardiac Resynchronization therapy (CRT) improves the quality of life and reduces morbidity and mortality of certain patients with heart failure. However, not all patients respond positively after CRT and about one third of cases do not experience benefit. Suboptimal biventricular pacing may account for this and quadripolar left ventricular (LV) leads have emerged in the last years to address issues relating to inadequate delivery of CRT. Areas Covered This review article concisely summarizes the main technical characteristics of the quadripolar LV leads either currently available in the market today or under final stages of development...
August 23, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28803515/protocol-driven-remote-monitoring-of-cardiac-resynchronization-therapy-as-part-of-a-heart-failure-disease-management-strategy
#16
Christophe J P Smeets, Frederik H Verbrugge, Julie Vranken, Jo Van der Auwera, Wilfried Mullens, Matthias Dupont, Lars Grieten, Hélène De Cannière, Dorien Lanssens, Thijs Vandenberk, Valerie Storms, Inge M Thijs, Pieter Vandervoort
BACKGROUND: Cardiac resynchronisation therapy (CRT) is an established treatment for heart failure (HF) with reduced ejection fraction. CRT devices are equipped with remote monitoring functions, which are pivotal in the detection of device problems, but may also facilitate disease management. The aim of this study was to provide a comprehensive overview of the clinical interventions taken based on remote monitoring. METHODS: This is a single centre observational study of consecutive CRT patients (n = 192) participating in protocol-driven remote follow-up...
August 14, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28780582/implantable-cardiac-defibrillator-and-mortality-in-non-ischaemic-cardiomyopathy-an-updated-meta-analysis
#17
Ana C Alba, Farid Foroutan, Juan Duero Posada, Luciano Battioni, Toni Schofield, Mosaad Alhussein, Thomas Agoritsas, Frederick A Spencer, Gordon Guyatt
OBJECTIVES: The benefit of implantable cardiac defibrillator (ICD) in symptomatic patients with systolic dysfunction and non-ischaemic cardiomyopathy remains controversial. We conducted a systematic review and meta-analysis to determine the effect of ICD in patients with non-ischaemic cardiomyopathy on (1) all-cause mortality, (2) cardiovascular mortality and (3) sudden cardiac death. METHODS: We searched citations in meta-analyses published until 2012, and in MEDLINE, Embase, PubMed and Cochrane databases from 2012 to October 2016...
August 5, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28747313/long-term-complications-reoperations-and-survival-following-cardioverter-defibrillator-implant
#18
Nathaniel Mark Hawkins, Maja Grubisic, Jason G Andrade, Flora Huang, Lillian Ding, Min Gao, Jamil Bashir
OBJECTIVE: Implantable cardioverter-defibrillators (ICDs) reduce risk of death in select populations, but are also associated with harms. We aimed to characterise long-term complications and reoperation rate. METHODS: We assessed the rate, cumulative incidence and predictors of long-term reoperation and survival using a prospective, multicentre registry serving British Columbia in Canada, a universal single payer healthcare system with 4.5 million residents. 3410 patients (mean 63...
July 26, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28741245/the-last-frontier-transcatheter-devices-for-percutaneous-or-minimally-invasive-treatment-of-chronic-heart-failure
#19
REVIEW
V J Nijenhuis, L Sanchis, J A S van der Heyden, P Klein, B J W M Rensing, A Latib, F Maisano, J M Ten Berg, P Agostoni, M J Swaans
Heart failure has a high prevalence in the general population. Morbidity and mortality of heart failure patients remain high, despite improvements in drug therapy, implantable cardioverter-defibrillators and cardiac resynchronisation therapy. New transcatheter implantable devices have been developed to improve the treatment of heart failure. There has been a rapid development of minimally invasive or transcatheter devices used in the treatment of heart failure associated with aortic and mitral valve disease and these devices are being incorporated into routine clinical practice at a fast rate...
July 24, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28716973/incremental-benefit-of-cardiac-resynchronisation-therapy-with-versus-without-a-defibrillator
#20
Pieter Martens, Frederik H Verbrugge, Petra Nijst, Matthias Dupont, Dieter Nuyens, Hugo Van Herendael, Maximo Rivero-Ayerza, Wilson H Tang, Wilfried Mullens
OBJECTIVE: To determine the incremental value of implantable cardioverter defibrillators (ICD) in contemporary optimally treated patients with heart failure (HF) undergoing cardiac resynchronisation therapy (CRT). METHODS: Consecutive patients with HF undergoing CRT-pacemaker (CRT-P) or CRT-defibrillator (CRT-D) implantation in a single tertiary care centre between October 2008 and August 2015 were retrospectively evaluated. For patients with a primary prevention indication of the CRT-D, no benefit of the ICD was defined as absence of appropriate therapy (device analysis) or lethal ventricular tachyarrhythmias (mode of death analysis) during follow-up...
July 17, 2017: Heart: Official Journal of the British Cardiac Society
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