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排序方式: 共有105条查询结果,搜索用时 9 毫秒
71.
Left ventricular dyssynchrony predicts right ventricular remodeling after cardiac resynchronization therapy 总被引:1,自引:0,他引:1
72.
Kiès P Boersma E Bax JJ van der Burg AE Bootsma M van Erven L van der Wall EE Schalij MJ 《Journal of cardiovascular electrophysiology》2005,16(10):1049-1056
OBJECTIVE: Evaluation of the relation between clinical characteristics and incidence of recurrent ventricular arrhythmias (VAs) or death during long-term follow-up in a cohort of 300 consecutive ischemic heart disease (IHD) patients who had survived an episode of sudden cardiac arrest (SCA). Background: Survivors of life-threatening VA are at high risk for recurrent events. METHODS: A total of 300 consecutive survivors of SCA with IHD were included in a standardized screening and evaluation protocol. Multivariable Cox regression analysis was performed to determine the relation between clinical variables at baseline and the incidence of recurrent VA, all-cause mortality and the composite of both (composite endpoint). RESULTS: The presenting arrhythmia was VT in 156 (52%) patients and VF in 144 (48%) patients. Revascularization was performed in 78 (26%) patients and an ICD was implanted in 216 (72%) patients. During follow-up (mean 30 +/- 21 months) 37 (12%) patients died and 88 (29%) patients experienced a recurrence. Advanced age (adjusted hazard ratio (HR) 2.0; 1.2-3.3), history of heart failure (HR 1.8; 1.2-2.6), and amiodarone use (HR 3.1; 2.1-4.6) were independent predictors for the composite endpoint. VT as presenting arrhythmia was an independent predictor for all-cause mortality only (HR 2.4; 1.2-4.8). A decreased risk of recurrences was determined by beta-blocker use (HR 0.5; 0.4-0.8) and coronary revascularization (HR 0.3; 0.2-0.6). CONCLUSION: In a cohort of 300 consecutive survivors of SCA the incidence of recurrent VA and death is dependent on patient age, history of heart failure, and use of amiodarone. In contrast, use of beta-blockers and aggressive coronary revascularization improve the outcome. 相似文献
73.
Comparison of benefits from cardiac resynchronization therapy in patients with ischemic cardiomyopathy versus idiopathic dilated cardiomyopathy 总被引:9,自引:0,他引:9
Molhoek SG Bax JJ van Erven L Bootsma M Boersma E Steendijk P van der Wall EE Schalij MJ 《The American journal of cardiology》2004,93(7):860-863
Cardiac resynchronization therapy (CRT) is a recently introduced therapeutic option for patients with severe heart failure and intraventricular conduction disturbances. However, it is estimated that 20% to 30% of patients may not respond to CRT. Patients with ischemic cardiomyopathy (IC) may respond less favorably to CRT compared with patients with idiopathic dilated cardiomyopathy (IDC). Accordingly, the beneficial effects of CRT were evaluated in 2 subsets of patients (IC and IDC). Seventy-four patients with end-stage heart failure, New York Heart Association (NYHA) class III or IV, left ventricular (LV) ejection fraction <35%, QRS >120ms, and left bundle branch block received a biventricular pacemaker. At baseline and 6 months after implantation these parameters were evaluated: NYHA class, Minnesota quality-of-life score, QRS duration, and 6-minute walking distance. LV ejection fraction and severity of mitral regurgitation were assessed before and 6 months after CRT using 2-dimensional echocardiography. Long-term follow-up and hospitalization rates were obtained up to 2 years. Of the 74 patients, 46% (n = 34) had IC and 54% (n = 40) IDC. At 6 months follow-up all clinical parameters, QRS duration, LV ejection fraction, and mitral regurgitation improved significantly in both groups. Long-term (2-year) follow-up showed a survival rate of 87.5% for patients with IDC and 88.3% for patients with IC. The percentages of responders to CRT (defined as an improvement in NYHA class >or=1 grade) were comparable in both groups (65% vs 71%). Therefore, the underlying etiology of heart failure (IC vs IDC) was not related to the response to CRT. 相似文献
74.
Marinskis G van Erven L Bongiorni MG Lip GY Pison L Blomstr?m-Lundqvist C;Scientific Initiative Committee European Heart Rhythm Association 《Europace : European pacing, arrhythmias, and cardiac electrophysiology》2012,14(3):423-425
This survey analyses some details of follow-up of patients with cardiac implantable electronic devices (CIEDs) in 40 centres-the members of the European Heart Rhythm Association (EHRA) research network. Results of this survey show that practices of CIED follow-up are not homogeneous between EHRA research network centres, and recommended clinical evaluation of the patients regarding possible device up-grade is not always performed. Remote device monitoring appears to be an evolving practice, mostly used in implantable cardioverter defibrillators and cardiac resynchronization therapy defibrillator recipients. 相似文献
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76.
Leontine M. H. Lensvelt Anastasia D. Egorova Martin J. Schalij Dilek Yilmaz Charles Kennergren Marianne Bootsma Lieselot van Erven 《Pacing and clinical electrophysiology : PACE》2021,44(1):120-128
The aim of this study was to evaluate the efficacy and safety of the stepwise mechanical transvenous lead extraction approach in a patient population with chronically implanted transvenous leads with a long dwell time. From January 2014 till December 2018, all lead extractions with lead dwell time ≥5 years performed at our tertiary centre were retrospectively analysed. A total of 173 leads, from 78 patients (median age 68 years; 81% male) with a median dwell time of 9 years (interquartile range [IQR] 5) were extracted, with three or more leads in 42% of the patients. Right atrial leads: 41%; right ventricular pacing leads: 16%; implantable cardioverter‐defibrillator (ICD) leads: 31% (72% dual coil); coronary sinus leads: 12%. The majority (75%) of the leads had an active fixation. Most frequent indication for extraction was pocket infection/erosion (76%). Overall clinical success was 97%, and complete procedural success was 93%. Venous patency, assessed with venous angiography, was well preserved in 93% of the cases. The overall procedural complication rate was 3.8% (2.6% major and 1.3% minor). Despite the complexity of the population and a very long dwell time (median 9 years), a clinical success rate of 97% was achieved with the stepwise mechanical approach. Analysis of impeding progression of pectoral extraction suggests that dense fibrosis and sharp lead curvature in the transvenous trajectory pose a challenge. Complication rate was low, and acute venous patency was generally well preserved. 相似文献
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80.
van Erven L Molhoek SG van der Wall EE Schalij MJ 《Pacing and clinical electrophysiology : PACE》2004,27(2):249-251
In patients with resynchronization devices and intact intrinsic AV conduction, atrial tachyarrhythmias may give rise to high ventricular rates, resulting in inhibition of (bi)ventricular pacing and concomitant lack of therapeutic effects of the device. This report presents a patient with atrial arrhythmias in whom mode switching and back switching of the biventricular pacemaker occurred, due to special timing of the atrial and ventricular deflections. This case report stresses the importance of strenuous treatment of atrial arrhythmias in patients with resynchronization devices. 相似文献