Key result
Observed hospital mortality decreased significantly from 6.5% in the early period to 3.2% in the late period (p=0.0024), indicating improved quality of cardiovascular surgical care over time.
Why the study?
Does the EuroSCORE additive model accurately predict mortality in Japanese patients undergoing cardiovascular surgery?
Population
803 consecutive patients undergoing heart and thoracic aorta surgery using cardiopulmonary bypass from…
Design
Cohort
Follow-up
30 days or within the same hospital admission
Authors
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Supports quality gains in Japanese CV surgery; leaves open whether EuroSCORE calibration holds in contemporary cohorts.
Observational (n=803)
No
Does the EuroSCORE additive model accurately predict mortality in Japanese patients undergoing cardiovascular surgery?
Absolute Event Rate: 3.2% vs 6.5%
p-value: p=0.0024
The EuroSCORE additive model is a clinically relevant and accurate index for risk stratification in Japanese cardiovascular surgery patients, demonstrating good discriminative ability (AUC 0.82) and highlighting a gradual improvement in surgical quality over time.
Kawachi et al. (2002) conducted an observational in Cardiac and thoracic aortic disease requiring surgery (n=803). Time period of surgery (Late vs Early) vs. Early period (August 1994 to September 1996) was evaluated on Hospital mortality (death from any cause within 30 days of operation or within the same hospital admission) (p=0.0024). Observed hospital mortality decreased significantly from 6.5% in the early period to 3.2% in the late period (p=0.0024), indicating improved quality of cardiovascular surgical care over time.
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