PORT score for PeriOperative Risk of blood Transfusion in cardiac surgery by ACTA
Predict risk of blood transfusion after elective cardiac surgery using the ACTA-PORT score
A retrospective analysis was performed of data collected from the ACTA National Audit. For the derivation dataset, data was included from 20036 patients, which were then externally validated using a further group of 1047 patients.
Several factors were independently associated with risk of transfusion, including age, sex, body surface area, logistic EuroSCORE, preoperative haemoglobin and creatinine, and type of surgery. In the primary dataset, the score accurately predicted risk of perioperative transfusion in cardiac surgery patients with an AUC of 0.76. The external validation confirmed accuracy of the scoring method with an AUC of 0.84 and good agreement across all scores, with a minor tendency to under-estimate transfusion risk in very high-risk patients.
A A Klein, T Collier, J Yeates, L F Miles, S N Fletcher, C Evans, T Richards.
British Journal of Anaesthesia 2017 September 1, 119 (3): 394-401
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