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January 15, 1993Annals of Internal Medicine

β-Blockers after Myocardial Infarction: Influence of First-Year Clinical Course on Long-Term Effectiveness

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Why the study?

Does propranolol reduce mortality in patients who survived 1 year after myocardial infarction depending on their first-year clinical course?

Population

3,297 men and women 30 to 69 years of age who survived 1 year after myocardial infarction, from 31 clinical…

Comparison

Propranolol continued at 12 months after… vs Not receiving beta-blocker therapy at 12 months.

Design

Cohort, randomized, double-blind, placebo-controlled

Follow-up

720 days

Authors

CVCatherine M. ViscoliYale University

Discussion

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Implication

May support risk-stratified beta-blocker use in high-risk post-MI survivors; hypothesis-generating and requires randomized confirmation before practice change.

Structured PICO

Does propranolol reduce mortality in patients who survived 1 year after myocardial infarction depending on their first-year clinical course?

P
Population
3,297 men and women 30 to 69 years of age who survived 1 year after myocardial infarction (trial entry), from 31 clinical centers in the United States and Canada.
I
Intervention
Propranolol (beta-blocker therapy) continued at 12 months after randomization.
C
Comparator
Not receiving beta-blocker therapy at 12 months.
O
Outcome
Vital status (mortality) evaluated at 720 days of follow-up.hard clinical

Long-term beta-blocker therapy after myocardial infarction provides significant mortality benefit primarily in patients who experience a high-risk clinical course during the first year.

Cite This Study

Catherine M. Viscoli (1993) studied this question.

synapsesocial.com/papers/6a7fe4c0ade0136cea79a1a0https://doi.org/10.7326/0003-4819-118-2-199301150-00004

Topics

Heart failureHFrEF treatment
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Beta-Blockers and Mortality After Myocardial Infarction1987 · 3 citations
  2. 2A Randomized Trial of Propranolol in Patients With Acute Myocardial Infarction1982 · 1,380 citations
  3. 3A randomized trial of propranolol in patients with acute myocardial infarction. II. Morbidity results1983 · 26 citations
  4. 4One‐Year Landmark Analysis of the Effect of Beta‐Blocker Dose on Survival After Acute Myocardial Infarction2021 · 25 citations
  5. 5BETA BLOCKADE AND THE SECONDARY PREVENTION OF MYOCARDIAL INFARCTION1981 · 4 citations