["3P (Patient-Pulse-Prognosis) in heart failure" survey: focus on heart rate]

The data on heart rate in chronic heart failure in the real-world practice in Slovakia are not sufficiently known. The objective of the "3P (Patient-Pulse-Prognosis) in heart failure" survey was to collect epidemiological data with particular emphasis on heart rate control in sinus rhythm.

The survey was performed by 162 cardiologists and internists. Outpatients or clinically stable hospitalized patients diagnosed with chronic heart failure were included in the survey. No exclusion criteria for patients enrollment were used. A total of 4738 patients were prospectively included.

93.6% of patients with heart failure were taking beta-blockers. At least 50% of the target dose according to ESC had 48.1% of patients receiving beta-blockers. Heart rate ≥ 70 bpm was present in 55.3% of all patients and in 48.1% of patients with sinus rhythm. Out of the total unselected study population we identified 28.0% of patients with symptomatic heart failure (NYHA class II-IV), sinus rhythm, and suboptimal heart rate ≥ 70 bpm. The prevalence of heart rate ≥ 70 bpm was significantly higher in patients with beta-blocker dose < 50% of the target dose according to ESC compared with patients receiving ≥ 50% of the target dose (58.0% vs 52.4%, p < 0.001). Heart rate ≥ 70 bpm was significantly more common in patients with history of hospitalization for heart failure compared with patients who have not been hospitalized (56.8% vs 53.7%, p < 0.05). The physicians planned up-titration of the dose only in 20.2% of patients treated with beta-blockers.

Despite extensive beta-blockers therapy we found suboptimal heart rate control in chronic heart failure. Patients on lower doses of beta-blockers (< 50 % of the target dose according to ESC) and patients with history of hospitalization for heart failure were noted to be in significantly higher risk of unsatisfactory heart rate. The proportion of patients with intended up-titration of the beta-blocker dose was low. Therefore it is necessary to reduce heart rate by alternative or complementary pharmacotherapy.