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[Sudden death in heart failure]

J Cosín Aguilar1, A Bayés de Luna, F Navarro López

  • 1Servicio de Cardiología, Hospital La Fe, Valencia.

Revista Espanola De Cardiologia
|October 1, 1996
PubMed
Summary
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This study evaluated captopril's effect on mortality in severe heart failure patients. While overall mortality was reduced, sudden cardiac death was too infrequent to design an interventional trial.

Area of Science:

  • Cardiology
  • Clinical Trials
  • Pharmacology

Background:

  • Investigated mortality in Class IV heart failure (NYHA) patients.
  • Assessed standard treatment plus captopril efficacy.
  • Focused on cardiac, overall, and sudden death rates.

Purpose of the Study:

  • Evaluate captopril's impact on mortality in severe heart failure.
  • Determine feasibility of an interventional trial to reduce sudden death.
  • Analyze predictors of mortality in this patient cohort.

Main Methods:

  • Conducted a 6-month follow-up study.
  • Enrolled 95 consecutive patients across 21 hospitals.
  • Administered standard treatment with captopril (max 50 mg/8 hr).

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Main Results:

  • 14.7% of patients died; no non-cardiovascular deaths.
  • Sudden cardiac death occurred in 6 patients (42.9% of deaths).
  • Higher baseline LV diameter and lower BP predicted mortality; significant improvements in HR, BP, and LV diameter observed during follow-up.

Conclusions:

  • Sudden death incidence was lower than anticipated.
  • The observed rate of sudden death precluded designing an interventional trial.
  • Captopril showed potential benefits in reducing certain mortality aspects and improving hemodynamic parameters.