What question did this study set out to answer?

To examine long-term outcomes in patients admitted with unstable coronary syndromes according to admission period between 1988 and 1995.

April 1, 2000European Heart JournalOpen Access

Improved long-term prognosis for patients with unstable coronary syndromes 1988–1995

Q: What does this research mean for the field?

Long-term mortality for patients with unstable coronary syndromes decreased significantly between 1988 and 1995, coinciding with the adoption of a more aggressive treatment approach. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

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Why the study?

Does a more aggressive management approach over time improve long-term mortality in patients with unstable coronary syndromes?

Population

3918 patients with unstable angina or a non-Q wave myocardial infarction admitted to the coronary care unit…

Comparison

More aggressive approach to acute coronary… vs Historical management (admission in 1988)

Design

Cohort

Follow-up

up to 10 years

Authors

PAPutte AbrahamssonUniversity of Gothenburg

Discussion

Member takes

Implication

Supports association of aggressive management with reduced mortality in unstable syndromes; hypothesis-generating, requires randomized confirmation before practice change.

Key Points

To examine long-term outcomes in patients admitted with unstable coronary syndromes according to admission period between 1988 and 1995.
Analyzed 3,918 patients with unstable angina or non-Q wave myocardial infarction admitted to a coronary care unit from 1988 to 1997.
Used standardized diagnostic criteria including cardiac enzyme elevations (AST, CK, CK-MB) and serial ST-T electrocardiographic changes.
Tracked post-discharge vital status and cause of death via a national cause-specific mortality register with follow-up extending up to 10 years.
Two-year mortality dropped from 30% in 1988 to 19% in 1995 (relative risk per year 0.94, 95% CI 0.90–0.97).
Survival improvements remained consistent regardless of age, prior infarction, diabetes, hypertension, or acute medical interventions like heparin and angiography.
Ten-year cumulative survival was significantly higher in unstable angina compared to non-Q wave myocardial infarction (53% vs. 36%, P<0.0001).

Structured PICO

Does a more aggressive management approach over time improve long-term mortality in patients with unstable coronary syndromes?

Population

3918 patients with unstable angina or a non-Q wave myocardial infarction admitted to the coronary care unit at Ostra Hospital between 1988 and 1997.

Intervention

More aggressive approach to acute coronary syndromes (admission in later years, up to 1995)

Comparator

Historical management (admission in 1988)

Outcome

Two-year mortality and 10-year cumulative survivalhard clinical

Long-term mortality for patients with unstable coronary syndromes significantly decreased between 1988 and 1995, coinciding with the adoption of a more aggressive treatment approach.

Cite This Study

Putte Abrahamsson (2000) studied this question.

synapsesocial.com/papers/6a1d7ded1c2cbcb15c5e64b4 https://doi.org/10.1053/euhj.1999.1940

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Implication

Supports association of aggressive management with reduced mortality in unstable syndromes; hypothesis-generating, requires randomized confirmation before practice change.

Improved long-term prognosis for patients with unstable coronary syndromes 1988–1995

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Improved long-term prognosis for patients with unstable coronary syndromes 1988–1995

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Also Consider