Introduction:

in cardiovascular surgery, the EuroSCORE I, EuroSCORE II and STS score are tools that provide prognosis and information for decision making. It is imperative to evaluate their real predictive value in our environment.

Objective:

to evaluate the predictive value of the aforementioned scores in patients undergoing cardiac surgery in the Hospital Nacional cardiology area.

Methodology:

retrospective cohort study, with non-probabilistic sampling of consecutive cases. The population consisted of patients undergoing cardiac surgery in the period from January 2020 to July 2021. 60 medical records were evaluated, 6 excluded, finally leaving 54 records.

Result:

male sex predominated 57,14 %, the mean age was 60 ± 12 years (range 26 - 82 years old). The EuroSCORE II presented a relative risk of 10 (95 % CI 1.3 - 90), p = 0.004, sensitivity 80 %, specificity 78,43 %, PPV 26,67 % (95 % CI 0,95 to 52,38) and NPV 97,56 % (95 % CI 91,62 to 100 %). The EuroSCORE I presented a relative risk of 1.6 (95 % CI 0.2 - 10.9) p = 0.50, sensitivity 60 %, specificity 52,94 %, PPV 11,11 % (95 % CI 0.00 a 24,82) and NPV 93,10 % (95 % CI 82.16 to 100 %). The STS score yielded a relative risk of 3,5 (95 % CI 0.07 - 35), p = 0.10, sensitivity of 20 %, specificity 93,33 %, positive predictive value of 25 % (CI 95 % 0 .00 to 79.93) and negative predictive value 91,30 % (95 % CI 82.07 to 100 %). Overall mortality was 8,93 % and morbidity 93 %.

Conclusion:

a high negative predictive value was demonstrated in the scores, which determined that patients with low and intermediate risk had a low mortality.

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