Publications
Below you can find a list of our published research.
Below you can find a list of our published research.
133 results
Cited 1 times since 2009 (0.1 per year) source: EuropePMC
Pacing and clinical electrophysiology : PACE, Volume 32, Issue 7, 1 1 2009, Pages 913-917 Left ventricular ejection fraction as criterion for implantation of an implantable cardioverter-defibrillator in heart failure patients undergoing surgical left ventricular reconstruction. Mollema SA, Klein P, Heersche J, Schalij MJ, Van der Wall EE, Versteegh MI, Klautz RJ, Van Erven L, Bax JJ
Background: Besides implantation of an implantable cardioverter-defibrillator (ICD), a proportion of patients with left ventricular (LV) dysfunction due to ischemic cardiomyopathy are potential candidates for surgical LV reconstruction (Dor procedure), which changes LV ejection fraction (LVEF) considerably. In these patients, LVEF as selection criterium for ICD implantation may be difficult. This study aimed to determine the value of LVEF as criterium for ICD implantation in heart failure patien... Abstract
Cited 4 times since 2009 (0.3 per year) source: EuropePMC
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology, Volume 11, Issue 8, 3 1 2009, Pages 1002-1003 Validation of success following atrial fibrillation ablation: a European survey. Halimi F, Van Erven L, EHRA Scientific Initiatives Committee
This survey sampled the follow-up (FU) strategies for atrial fibrillation ablation used by electrophysiology/ablation centres in Europe. Currently, FU relies on symptoms and short-term ECG recordings rather than monitoring by implantable devices. The responding centres show a lack of confidence in the long-term success after ablation, and confusion about definition of success which needs to be informed by updated European guidelines. Abstract
Cited 27 times since 2009 (1.8 per year) source: EuropePMC
European heart journal, Volume 30, Issue 13, 2 1 2009, Pages 1621-1626 Recurrence of ventricular arrhythmias in ischaemic secondary prevention implantable cardioverter defibrillator recipients: long-term follow-up of the Leiden out-of-hospital cardiac arrest study (LOHCAT). Borleffs CJ, van Erven L, Schotman M, Boersma E, Kiès P, van der Burg AE, Zeppenfeld K, Bootsma M, van der Wall EE, Bax JJ, Schalij MJ
Aims: To assess the long-term rate of mortality and the recurrence of potentially life-threatening ventricular arrhythmias in secondary prevention implantable cardioverter defibrillator (ICD) patients and to construct a model for baseline risk stratification. Methods and results: Since 1996, all patients with ischaemic heart disease, receiving ICD therapy for secondary prevention of sudden death, were included in the current study. Patients were evaluated at implantation and during long-term fol... Abstract
Cited 21 times since 2009 (1.4 per year) source: EuropePMC
European heart journal, Volume 30, Issue 13, 22 4 2009, Pages 1559-1564 The current status of interventions aiming at reducing sudden cardiac death in dialysis patients. de Bie MK, van Dam B, Gaasbeek A, van Buren M, van Erven L, Bax JJ, Schalij MJ, Rabelink TJ, Jukema JW
Mortality in dialysis patients is extremely high, with an annual death rate of approximately 23%. Sudden cardiac death (SCD) is the single largest cause of death in dialysis patients accounting for approximately 60% of all cardiac deaths and 25% of all-cause mortality. Interventions aiming at reducing cardiovascular mortality, especially SCD, in dialysis patients are therefore extremely important and clinically highly relevant. The purpose of this review is to give an outline of the epidemiology... Abstract
Cited 50 times since 2009 (3.3 per year) source: EuropePMC
Circulation. Arrhythmia and electrophysiology, Volume 2, Issue 4, 17 3 2009, Pages 411-416 Risk of failure of transvenous implantable cardioverter-defibrillator leads. Borleffs CJ, van Erven L, van Bommel RJ, van der Velde ET, van der Wall EE, Bax JJ, Rosendaal FR, Schalij MJ
Background: Despite the positive effect on mortality in selected patients, implantable cardioverter-defibrillator therapy is also associated with potential malfunction of the implanted system. The present study provides the long-term lead failure rate in a large single-center cohort. Methods and results: Since 1992, a total of 2068 implantable cardioverter-defibrillator patients with 2161 defibrillation leads were prospectively collected. Data of the implant procedure and all follow-up visits we... Abstract
Cited 10 times since 2009 (0.7 per year) source: EuropePMC
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology, Volume 11, Issue 5, 22 4 2009, Pages 607-611 Requirement for coronary sinus lead interventions and effectiveness of endovascular replacement during long-term follow-up after implantation of a resynchronization device. Borleffs CJ, van Bommel RJ, Molhoek SG, de Leeuw JG, Schalij MJ, van Erven L
Aims: The aim of this study was to assess the requirement for coronary sinus (CS) lead intervention after cardiac resynchronization therapy (CRT) and to evaluate the effectiveness of endovascular replacement. Methods and results: All patients receiving a CRT device with CS lead in the Leiden University Medical Center in the period from 1999 to 2007 were prospectively evaluated and followed. Five hundred and seventy-seven patients were successfully implanted with a CRT device. Nine (1.6%) patient... Abstract
Cited 36 times since 2008 (2.3 per year) source: EuropePMC
Heart rhythm, Volume 6, Issue 3, 13 2 2008, Pages 305-310 Clinical importance of new-onset atrial fibrillation after cardiac resynchronization therapy. Borleffs CJ, Ypenburg C, van Bommel RJ, Delgado V, van Erven L, Schalij MJ, Bax JJ
Background: Data on the occurrence and implications of new-onset atrial fibrillation (AF) following cardiac resynchronization therapy (CRT) are scarce. We studied the incidence of new onset AF in CRT-defibrillator (CRT-D) recipients. The influence of new-onset AF on echocardiographic response to CRT and the rate of adverse events also were evaluated. Objective: The purpose of this study was to assess the incidence and implications of new-onset AF following CRT. Methods: The study population cons... Abstract
Cited 129 times since 2008 (8.3 per year) source: EuropePMC
Heart (British Cardiac Society), Volume 95, Issue 9, 26 4 2008, Pages 715-720 Risk factors and time delay associated with cardiac device infections: Leiden device registry. Lekkerkerker JC, van Nieuwkoop C, Trines SA, van der Bom JG, Bernards A, van de Velde ET, Bootsma M, Zeppenfeld K, Jukema JW, Borleffs JW, Schalij MJ, van Erven L
Aims: A nested case-control study of 75 patients with cardiac device infections (CDI) and 75 matched controls was conducted to evaluate time course, risk factors, culture results and frequency of CDI. Methods and results: CDI occurred in 75/3410 (2.2%) device implantation and revision procedures, performed between 2000 and 2007. The time delay between device procedure and infection ranged from 0 to 64 months (mean 14 (SD 16)), 21 patients (28%) had an early infection (12 months). Of interest, 18... Abstract
Cited 18 times since 2008 (1.2 per year) source: EuropePMC
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology, Volume 11, Issue 1, 11 2 2008, Pages 31-34 Performance and survival of transvenous defibrillation leads: need for a European data registry. Goette A, Cantu F, van Erven L, Geelen P, Halimi F, Merino JL, Morgan JM, Scientific Initiative Committee of the European Heart Rhythm Association
Although the use of implantable cardioverter defibrillator (ICD) therapy has increased over the last decades, the reporting of ICD lead performance is inadequate. So far, there is neither a European nor worldwide registry on ICD leads. The published long-term results from national or multicentre registries encompass relatively small patient cohorts. Nevertheless, the failure of ICD leads may have substantial clinical consequences, including failure to sense, failure to pace, failure to defibrill... Abstract
Cited 34 times since 2008 (2.1 per year) source: EuropePMC
Current medical research and opinion, Volume 24, Issue 8, 17 3 2008, Pages 2151-2157 Prevention of sudden cardiac death: rationale and design of the Implantable Cardioverter Defibrillators in Dialysis patients (ICD2) Trial--a prospective pilot study. de Bie MK, Lekkerkerker JC, van Dam B, Gaasbeek A, van Buren M, Putter H, van Erven L, Bax JJ, Schalij MJ, Rabelink TJ, Jukema JW
Objective: Sudden cardiac (arrhythmic) death (SCD) is the single largest cause of death in dialysis patients. Prophylactic Implantable Cardioverter Defibrillator (ICD) therapy reduces SCD and reduces all-cause mortality in several groups of patients at high risk for arrhythmic death. Whether this also applies to dialysis patients is unknown. Research design and methods: The Implantable Cardioverter Defibrillator in Dialysis patients (ICD2) trial is a prospective randomised controlled study. It h... Abstract
Cited 4 times since 2008 (0.2 per year) source: EuropePMC
Heart (British Cardiac Society), Volume 94, Issue 5, 1 1 2008, Pages 649-660 Troubleshooting implantable cardioverter-defibrillator related problems. van Erven L, Schalij MJ
Cited 53 times since 2008 (3.3 per year) source: EuropePMC
The American journal of cardiology, Volume 101, Issue 7, 6 1 2008, Pages 1023-1029 Noninvasive imaging of cardiac venous anatomy with 64-slice multi-slice computed tomography and noninvasive assessment of left ventricular dyssynchrony by 3-dimensional tissue synchronization imaging in patients with heart failure scheduled for cardiac resynchronization therapy. Van de Veire NR, Marsan NA, Schuijf JD, Bleeker GB, Wijffels MC, van Erven L, Holman ER, De Sutter J, van der Wall EE, Schalij MJ, Bax JJ
Objectives of this study were to perform a prospective head-to-head comparison between multi-slice computed tomography (MSCT) venography and invasive venography in cardiac resynchronization therapy (CRT) candidates as well as to evaluate the relation between left ventricular (LV) lead position and effect on LV dyssynchrony and immediate response to CRT. Twenty-one consecutive heart failure patients scheduled for CRT implantation were prospectively enrolled to undergo 64-slice MSCT to visualize t... Abstract
Cited 81 times since 2007 (4.7 per year) source: EuropePMC
The American journal of cardiology, Volume 99, Issue 4, 2 1 2007, Pages 554-557 Intrathoracic impedance monitoring to predict decompensated heart failure. Ypenburg C, Bax JJ, van der Wall EE, Schalij MJ, van Erven L
Intrathoracic impedance measurement has been introduced in the InSync Sentry biventricular implantable cardioverter-defibrillator and may permit the early identification of pulmonary fluid accumulation secondary to left-sided heart failure (HF). An audible alarm (the OptiVol alert) can be triggered when the impedance index increases to greater than a predefined level of 60 Omega . day. The aim of this study was to evaluate the clinical value of the OptiVol alert and its prediction for decompensa... Abstract
Cited 1 times since 2007 (0.1 per year) source: EuropePMC
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology, Volume 9, Issue 1, 1 1 2007, Pages 48-9; author reply 61 Biventricular pacing and transmural dispersion of the repolarization. Swenne CA, van Huysduynen BH, Bax JJ, Bleeker GB, Draisma HH, van Erven L, Molhoek SG, van de Vooren H, van der Wall EE, Schalij MJ
Heart rhythm, Volume 4, Issue 3, 15 3 2006, Pages 274-276 Anger and arrhythmias. Schalij MJ, van Erven L
Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation, Volume 14, Issue 12, 1 1 2006, Pages 417-419 Sudden cardiac death: time to make a difference: Pro ICD. Schalij MJ, van Erven L
Cited 139 times since 2006 (7.9 per year) source: EuropePMC
Journal of the American College of Cardiology, Volume 48, Issue 8, 27 4 2006, Pages 1642-1648 Right ventricular pacing can induce ventricular dyssynchrony in patients with atrial fibrillation after atrioventricular node ablation. Tops LF, Schalij MJ, Holman ER, van Erven L, van der Wall EE, Bax JJ
Objectives: This study was designed to assess the effects of long-term right ventricular (RV) pacing on left ventricular (LV) dyssynchrony, LV function, and heart failure symptoms. Background: Atrioventricular (AV) node ablation and subsequent long-term RV pacing is a well-established treatment option in patients with atrial fibrillation (AF). Methods: In 55 patients with drug-refractory AF, AV node ablation and implantation of a pacemaker was performed. At baseline and after a mean of 3.8 +/- 1... Abstract
Cited 32 times since 2006 (1.8 per year) source: EuropePMC
Heart rhythm, Volume 3, Issue 12, 10 2 2006, Pages 1397-1403 Right ventricular pacing and the risk of heart failure in implantable cardioverter-defibrillator patients. Smit MD, Van Dessel PF, Nieuwland W, Wiesfeld AC, Tan ES, Anthonio RL, Van Erven L, Van Veldhuisen DJ, Van Gelder IC
Background: Right ventricular (RV) pacing in implantable cardioverter-defibrillator (ICD) patients may have detrimental effects on morbidity and mortality, in particular by inducing heart failure (HF). Objective: We investigated whether RV pacing increases the risk of HF in an asymptomatic ICD population. Methods: We evaluated all patients without symptomatic HF who received an ICD. The primary endpoint was the occurrence of HF, which was defined as new HF, hospitalization for HF, or death due t... Abstract
Cited 16 times since 2006 (0.9 per year) source: EuropePMC
Journal of the American College of Cardiology, Volume 48, Issue 3, 12 2 2006, Pages 464-470 Benefit of combined resynchronization and defibrillator therapy in heart failure patients with and without ventricular arrhythmias. Ypenburg C, van Erven L, Bleeker GB, Bax JJ, Bootsma M, Wijffels MC, van der Wall EE, Schalij MJ
Objectives: We attempted to assess the efficacy of combined cardiac resynchronization therapy-implantable cardioverter-defibrillator (CRT-ICD) in heart failure patients with and without ventricular arrhythmias. Background: Because CRT and ICDs both lower all-cause mortality in patients with advanced heart failure, combination of both therapies in a single device is challenging. Methods: A total of 191 consecutive patients with advanced heart failure, left ventricular ejection fraction 120 ms rec... Abstract
Cited 20 times since 2006 (1.1 per year) source: EuropePMC
Journal of cardiovascular electrophysiology, Volume 17, Issue 6, 1 1 2006, Pages 586-593 Serial reevaluation for ARVD/C is indicated in patients presenting with left bundle branch block ventricular tachycardia and minor ECG abnormalities. Kiès P, Bootsma M, Bax JJ, Zeppenfeld K, van Erven L, Wijffels MC, van der Wall EE, Schalij MJ
Introduction: Diagnosis of arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) is based on a set of criteria proposed by the International Task Force (TF) for Cardiomyopathies in 1994. To fulfill these criteria, presence of both electrocardiographic and anatomical abnormalities must be assessed with ECG and imaging techniques, respectively. This may be difficult in patients with early/mild forms of the disease as detectable structural abnormalities may still be absent. We evaluate... Abstract