الفهرس 
Heart FailureOnly 14 pages are availabe for public view
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Abstract
Background: The mortality rate of patients suffering from choronic heart failure is still high despite advantages in diagnosis and treatment. A new therapeutic class of agents acting on the renin angiotensin aldosterone system (RAAS) and neutral endopeptidase system has been developed, known as angiotensin receptor neprilysin inhibitors (ARNI). Recently, promising data from its administration have demonstrated a decrease in the mortality rate as compared to angiotensin receptor blocker alone.
Aim of the Work: The aim of this study is to asses effect of Sacubitril/Valsartan combination on abnormal ECG and ECHO parameters in patients with heart failure with reduced ejection fraction as a marker of reverse cardiac remodeling.
Patients and Methods: Our study was conducted at Ain Shams university hospitals and our target population was heart failure patients with reduced ejection fraction planned to initiate Sacubitril \ Valsartan combination therapy. 100 patients were collected from February 2022 to August 2022. It was an interventional study to follow up the effects of the drug on ECG parameters besides ECHO parameters 6 months after drug initiation.
Results: We found that in Sacubitril/Valsartan combination therapy there was significant decrease in HR, QRS width and QTc values which reflects the role of this combination to reduce ventricular arrhythmias and preventing SCD. There was significant increase in the EF which was correlated to the significant decrease in QRS width. There was significant improvement in diastolic dysfunction. There was significant decrease in the LA and LV dimensions giving an explanation of the role of the drug in reverse cardiac remodeling. There was significant improvement in NYHA class reflecting the role of the drug in improving quality of life.
Conclusion: HR, QRS width and QTc were significantly decreased with Sacubitril/Valsartan combination therapy through the follow up period reflecting the effect of the drug on ECG. EF, LA dimension and LVID were improving with Sacubitril/Valsartan combination therapy through the follow up period which give an explanation of the combination therapy for its role in reverse cardiac remodeling. NYHA class of our patients was improving through follow up period which means this drug improves quality of life and reduces hospitalization.