Prognostic value of stress echocardiography assessed by the ABCDE protocol
Authors' conclusion
ABCDE-SE allows an effective prediction of survival in patients with chronic coronary syndromes.
Study context
- Population
- All-comers with known or suspected chronic coronary syndromes undergoing clinically indicated ABCDE stress echocardiography, 13 certified laboratories, July 2016–November 2020
- Participants
- 3,574 participants
- Exposure
- ABCDE-SE score 0 to 5
- Outcome
- All-cause death
- Follow-up
- Median 21 months (IQR 13-36)
Methodological detailsmulticentre, international, effectiveness study
- Multicentre
- International
- Effectiveness study
Main finding
As reported in the abstract
Annual mortality rate
Score 0
0.4% person-year
Score 5
2.7% person-year
- Deaths during follow-up
- 73
- Global X2, clinical variables
- 49.5
- Global X2 after step A only (P = NS vs clinical variables)
- 50.7
- Global X2 after B-E steps (P < 0.001 vs. step A)
- 80.6
Observational data: associations, not effects.
Further findings
Rate of abnormal results by step
- Step A
- 16%
- Step B
- 30%
- Step C
- 36%
- Step D
- 28%
- Step E
- 37%
Original publication
Prognostic value of stress echocardiography assessed by the ABCDE protocol. Eur Heart J. Published 27 August 2021. doi:10.
Summarised from the published abstract; every number is checked against it