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Mortality and morbidity of heart failure treated with digoxin. A propensity-matched study

J L Andrey1, S Romero, A García-Egido

  • 1Department of Medicine, Hospital Universitario Puerto Real, University of Cadiz, School of Medicine, Spain.

Insights

Digoxin treatment in heart failure (HF) patients is linked to better survival and fewer hospitalizations. This study confirms digoxin

Area of Science:

  • Cardiology
  • Clinical Pharmacology
  • Heart Failure Management

Background:

  • The prognostic impact of digoxin in heart failure (HF) patients is not well-established.
  • Existing research presents conflicting evidence regarding digoxin's benefits in HF management.

Purpose of the Study:

  • To investigate the association between initiating digoxin treatment (CTDig) and patient outcomes in heart failure.
  • To evaluate the impact of CTDig on all-cause mortality, cardiovascular mortality, and morbidity events.

Main Methods:

  • A prospective, 8-year study involving 4467 heart failure patients.
  • Propensity score-matching was used to compare 1421 patients who commenced digoxin treatment with 1421 similar patients who did not.
  • Outcomes analyzed included all-cause and cardiovascular mortality, hospitalizations, and healthcare visits.

Main Results:

  • Commencing digoxin treatment was associated with significantly lower all-cause mortality (HR=0.90) and cardiovascular mortality (HR=0.87).
  • Digoxin use correlated with reduced hospitalizations (HR=0.91), 30-day HF readmissions (HR=0.88), and healthcare visits (HR=0.94).
  • These benefits were consistent across different patient subgroups, including women and those with non-systolic heart failure.

Conclusions:

  • Digoxin therapy appears to improve both mortality and morbidity in heart failure patients.
  • The positive effects of digoxin were observed independently of patient gender or HF type (systolic vs. non-systolic).
  • These findings support the continued use of digoxin in selected heart failure populations.
Abstract

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