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Published on: September 11, 2018
[Neurohumoral changes in patients with heart failure treated chronically with beta-blockers]
1Cattedra di Malattie Cardiovascolari, Università degli Studi, Modena.
Insights
Long-term beta-blocker therapy, specifically atenolol, improved heart function and exercise capacity in chronic heart failure patients. This treatment also reduced key hemodynamic and neurohormonal markers after one year.
Area of Science:
- Cardiology
- Pharmacology
Context:
- Chronic heart failure (CHF) management often involves complex therapeutic strategies.
- Beta-blockers are a cornerstone in CHF treatment, but long-term effects require ongoing investigation.
Purpose:
- To evaluate the clinical, hemodynamic, and neurohormonal impact of one-year atenolol therapy in patients with chronic heart failure.
Summary:
- Fifteen CHF patients received 50 mg/day atenolol for one year.
- Improvements included enhanced ejection fraction, increased exercise time and VO2 max.
- Significant reductions were observed in pulmonary artery pressure, pulmonary vascular resistance, right atrial pressure, and plasma norepinephrine levels.
Impact:
- Long-term beta-blockade with atenolol demonstrates significant benefits in chronic heart failure patients.
- Improved cardiac performance and reduced sympathetic nervous system activity are key outcomes.
- These findings support the role of well-tolerated beta-blocker therapy in managing chronic heart failure.
Abstract:
Long-term beta-blocker therapy may be useful in some patients affected by chronic heart failure. In a group of 15 patients with chronic heart failure of different origin we evaluated clinical, hemodynamic and neurohormonal features after 1 year of therapy. All patients were treated with atenolol at dosage of 50 mg/die. We observed a better ejection fraction by radionuclide angiography after 1 year of treatment. There was an increase of exercise time and VO2 max evaluated by cycloergometer test. There was a decrease of mean pulmonary artery pressure, of pulmonary vascular resistance and of right atrial pressure. Plasmatic norepinephrine decreased from 1294 +/- 568 to 574 +/- 33 pg/l. Our results suggest that patients who well tolerated chronic beta-blockade show an improvement of performance parameters.
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