Brief, factual summary of the article in Slovak: The article deals with a new prediction model that identifies the preoperative risk of acute kidney injury (AKI) in patients undergoing cardiac surgery. The model uses different symptoms to determine the risk of AKI before surgery. This information is crucial for patients who are candidates for surgery. The article was published in the professional journal Anesthesiology News, which is the most widely read publication on anesthesiology in the USA.