Incidence and outcomes associated with early heart failure pharmacotherapy in patients with ongoing cardiogenic shock
Abstract
OBJECTIVES: Guidelines recommend β-blockers and renin-angiotensin-aldosterone system blockers to improve long-term survival in hemodynamically stable myocardial infarction patients with a reduced left ventricular ejection fraction. The prevalence and outcomes associated with β and renin-angiotensin-aldosterone system blocker therapy in patients with ongoing cardiogenic shock is unknown.
DESIGN: Secondary analysis of a randomized controlled trial.
SETTING: In patients with cardiogenic shock lasting more than 24 hours enrolled in Tilarginine Acetate Injection in a Randomized International Study in Unstable Myocardial Infarction Patients With Cardiogenic Shock, we compared 30-day mortality in patients who received β or renin-angiotensin-aldosterone system blockers (angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, or aldosterone antagonists) within 24 hours of randomization with those who did not.
INTERVENTIONS: None.
PATIENTS: The final study population included 240 patients. A total of 66 patients (27.5%) had either β blocker or renin-angiotensin-aldosterone system blocker administered within the first 24 hours after the diagnosis of cardiogenic shock. β-blockers, angiotensin-converting enzyme inhibitors or angiotensin receptor blockers, and aldosterone antagonists were prescribed in 18.8%, 10.6%, and 5.0% of patients, respectively.
MEASUREMENTS AND MAIN RESULTS: The observed 30-day mortality among patients was higher in patients who received β or…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 240 participants or records.
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