View clinical trials related to Cardiac Pacing, Artificial.
Filter by:The study was designed to compare the acute effects of left bundle branch pacing (LBBP) with biventricular pacing (BVP) in patients with left ventricular ejection fraction (LVEF) <=35% with left bundle branch block (LBBB).
The aims are to compare Direct His Bundle Pacing (DHBP) with biventricular pacing (BiV) in terms of electrical resynchronization using electrocardiographic imaging (ECGI) and also in terms of acute hemodynamical effect using finger plethysmography and conduction velocimetry. The study will be a randomized crossover design with acute measurements.
Previous publications suggest gender difference in outcome parameters after pacemaker implantation. Aim of this study is to investigate gender differences in patients with pacemaker. Implanted devices, indication for implantation and pacemaker follow up data of patients will be included. Survival data including cause of death will be documented. Prevalent comorbidities and relevant laboratory data will be recorded.
Rapid ventricular pacing (RVP) is a technique to obtain flow arrest for short periods of time during dissection or rupture of the aneurysm. RVP results in an adequate fall of blood pressure which presents as an on-off phenomenon. It is not clear whether repetitive periods of pacing are harmless for the patient. Silent cardiac and cerebral infarcts may be undetected. The investigator will study the safety of RVP, particularly for the heart and the brain, retrograde by studying troponin levels and magnetic resonance imaging or computed tomography.
In this study, the investigators sought to determine whether a stimulation of the phrenic nerve affects heart function. Heart function is assessed by acoustic cardiography.
The purpose of this study is to determine which pacing mode after coronary artery bypass grafting in patients with reduced left ventricular function is hemodynamically favorable.
Identifying & optimizing strategies to reduce the burden of heart failure is vital. Despite advances in pharmacotherapy, patients with heart failure are at high risk for death & hospitalization. Cardiac resynchronization therapy (CRT) synchronizes ventricular mechanical activity, improves cardiac output & reduces HF symptoms. However, ~50% of patients do not clearly respond to CRT. Sub-optimal placement of the LV pacing lead appears to be an important reason for non-response. This study will assess whether targeted LV lead placement will result in an increased probability of CRT response at 52 weeks vs. usual (lateral wall) lead placement.
The purpose of this study is to compare the influence of accelerometer-based rate adaptation and Closed Loop Stimulation on cognitive performance and quality of life in pacemaker patients.