Abstract
The retrospectively presented by Xu et al. assessed the value of the systemic immune-inflammation index (SII) in the prediction of short-term outcomes in patients undergoing surgery for acute type A aortic dissection (ATAAD). The authors concluded that SII is a reliable biomarker that can predict postoperative short-term outcomes and this marker could be potentially applied to stratification and patient selection with ATAAD. Although the study is retrospective, it is well-matched and conducted in a large volume center and the surgical technique was standard for all procedures. In addition, there was no statistical difference in cardiopulmonary bypass, aortic cross-clamp and deep hypothermic time, comorbidities, blood and blood products transfusion between the study groups. In addition, 90.7% of patients underwent elephant trunk technique for ATAAD repair, while the 30-day mortality and postoperative temporary and permanent neurological dysfunctions were 14.8% and 11.1%, respectively. Randomized controlled and prospective studies are warranted to clarify these well-documented results to apply this useful biomarker in clinical practice for patients with the acute aortic syndrome.
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