MultiPointTM Pacing With The SJMTM Quadra CRT System
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منابع مشابه
Inappropriate inhibition of biventricular pacing due to diaphragmatic myopotentials amplified by the selectable sensing filter.
A 66-year-old man with a cardiac resynchronization therapy defibrillator (CRT-D: Quadra Assura 3367-40QC, St. Jude Medical Inc.) experienced asymptomatic intermittent inhibition of biventricular pacing, mainly after meals. All measured parameters of the true bipolar ventricular lead (Durata 7122Q, St. Jude Medical Inc.) were in the normal range and general provocative maneuvers could not reprod...
متن کاملObstacles preventing biventricular pacing mitigated with lead extraction and His bundle pacing to achieve effective cardiac resynchronization
Introduction Cardiac resynchronization therapy (CRT) achieved by implanting a lead via the coronary sinus (CS) system significantly improves well-being, symptoms, morbidity, and mortality in appropriately selected populations with advanced heart failure (HF) or pacing-induced cardiomyopathy. Despite improvements in implant technique, lead design, and pacing algorithms, there still remains a sig...
متن کاملCardiac Resynchronization Therapy With Wireless Left Ventricular Endocardial Pacing: The SELECT-LV Study.
BACKGROUND A total of 30% to 40% of patients with congestive heart failure eligible for cardiac resynchronization therapy (CRT) either do not respond to conventional CRT or remain untreated due to an inability or impediment to coronary sinus (CS) lead implantation. The WiSE-CRT system (EBR Systems, Sunnyvale, California) was developed to address this at-risk patient population by performing biv...
متن کاملProgression of heart failure in right univentricular pacing compared to biventricular pacing.
BACKGROUND Cardiac resynchronization therapy (CRT) improves hemodynamics and symptoms of heart failure by reducing ventricular dyssynchronity. Conversely, recent studies have demonstrated that right univentricular pacing in patients with an ejection fraction below 40% aggravates heart failure. In this retrospective study, we compared progression of disease in patients with mild to moderate hear...
متن کاملCardiac resynchronization therapy improves heart rate variability in patients with symptomatic heart failure.
BACKGROUND Cardiac resynchronization therapy (CRT) using biventricular pacing improves symptoms and functional capacity in patients with moderate to severe heart failure. The present study examined whether an improvement in ventricular performance from resynchronization therapy changes the autonomic control of heart rate. METHODS AND RESULTS Heart rate variability (HRV) was examined in 50 pat...
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