Modulation of cardiac contractility in patients with chronic heart failure and atrial fibrillation

Abstract

Aim.to evaluate the effectiveness of cardiac contractility modulation (MSS) in patients with chronic heart failure (CHF) and atrial fibrillation (AF). Materials and methods.The following studies were performed in 40 patients with CHF and AF before implantation of the MSS device and after 2 and 6 months of follow-up: 12-channel ECG, transthoracic EchoCG, 6-minute walk test, determination of the level of Pro-natriuretic N-terminal peptide (NT-proBNP), daily ECG monitoring, and a questionnaire based on the Minnesota quality of life questionnaire for patients with CHF (MHFLQ). All patients received long-term optimal drug therapy for CHF before surgery. Results.The results obtained indicate a statistically significant positive effect of the use of MSS in patients with CHF and AF on LV FV, the functional class of CHF, and levels of NT-proBNP regardless of the etiology of CHF. Conclusion.The use of MSS may be promising for the treatment of heart failure in patients with CHF and AF.

Keywords

• heart failure
• modulation of heart contractility
• atrial fibrillation
• left ventricular ejection fraction
• narrow qrs complex