[LINKOR: results of observational program in patients with myocardial infarction]

Kardiologiia
|August 20, 2013
PubMed

Insights

Adding ivabradine to standard treatment significantly reduced angina attacks, heart rate, and hospitalizations in post-myocardial infarction patients. This therapy improved quality of life and demonstrated a favorable safety profile.

Area of Science:

  • Cardiology
  • Pharmacology
  • Clinical Medicine

Background:

  • Patients with myocardial infarction and angina often experience persistent symptoms like elevated heart rate and angina attacks despite standard treatment.
  • Current therapeutic strategies aim to improve symptom control, reduce cardiovascular events, and enhance the quality of life for these patients.

Purpose of the Study:

  • To evaluate the effectiveness and safety of adding ivabradine to standard therapy in patients with a history of myocardial infarction and ongoing angina.
  • To assess the impact of ivabradine on heart rate, angina frequency, quality of life, and healthcare utilization.

Main Methods:

  • An observational study involving 1226 patients across 53 cities in the Russian Federation.
  • Patients received ivabradine in addition to their existing treatment for 16 weeks.
  • Data collected included heart rate, blood pressure, angina attack frequency, nitroglycerin use, ambulance calls, hospitalizations, and quality of life assessments.

Main Results:

  • Adding ivabradine led to a significant reduction in heart rate (from 84.5 to 63.1 bpm) and weekly angina attacks (from 8.17 to 1.27).
  • There was a marked decrease in ambulance calls (35.6% to 1.5%) and hospitalizations (15.4% to 1.2%).
  • Patient-reported outcomes showed significant improvements in treatment effectiveness, risk stratification, state stability, and prognosis, alongside enhanced quality of life.

Conclusions:

  • The addition of ivabradine to beta-blocker therapy is a rational and safe treatment strategy for patients with myocardial infarction and angina experiencing elevated heart rate.
  • Ivabradine effectively reduces symptoms, improves clinical outcomes, and enhances the quality of life in this patient population.
  • The observed benefits were significant and appeared early in the treatment course, with a low incidence of drug-related adverse effects.

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