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AI InsightBeta blockers reduced the outcome rate in patients with sinus rhythm. (Anatol JCardiol 2019; 21: 68-74)
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Özet
Objective: The relationship between prognosis and heart rate remains unclear among patients diagnosed with heart failure with mid-range ejection fraction (HFmrEF). The aim of the present study was to assess the effect of heart rate in this group of patients.Methods: Of the 197 patients diagnosed with HFmrEF, 92 had a heart rate <70 beats/min (bpm), and 105 had a heart rate ≥70 bpm. We analyzedthe outcomes including all-cause death and HF-related hospitalization and evaluated the quality of life.Results: The outcome demonstrated a lower incidence in patients with heart rate <70 bpm. The outcome-free survival illustrated significant difference in survival rate (p=0.045). The Minnesota Living with Heart Failure Questionnaire total scores and physical subscale in the lower heartrate group decreased compared with the heart rate ≥70 bpm group (p=0.048 and p=0.03, respectively). In the following analysis of patients withsinus rhythm, beta blockers showed great positive effects on patients with heart rate <70 bpm (p=0.046), as for the quality of life in patients withbeta blocker, heart rate <70 bpm showed lower total and physical scores (p=0.025 and p=0.017, respectively).Conclusion: Our results showed that heart rate is an important prognostic factor in patients with HFmrEF. Patients with heart rate <70 bpm wasrelated with a lower risk of outcomes and better quality of life. Beta blockers reduced the outcome rate in patients with sinus rhythm. (Anatol JCardiol 2019; 21: 68-74)