Abstract: Objective To explore diagnostic strategies and treatment options for gastrointestinal bleeding after aortic dissection surgery.Methods The clinical data and diagnosis and treatment results of patients with gastrointestinal bleeding after aortic dissection surgery admitted from January 2020 to June 2022 in the Affiliated Nanjing Hospital of Nanjing Medical University were analyzed retrospectively.Results A total of 10 cases of 14 patients with gastrointestinal bleeding after aortic dissection surgery were cured,7 cases were mainly based on basic support and drug therapy,1 case was treated with endoscopic therapy,and 2 cases were treated with surgical operations;In the untreated group,3 cases were basic support and medication,and 1 case died due to poor surgical treatment.Conclusion The diagnosis and treatment strategy of gastrointestinal bleeding after aortic dissection surgery should be comprehensively evaluated according to the amount,location and complications of bleeding,and the individualized treatment of patients should be strengthened.Timely surgical treatment is helpful to improve the prognosis and outcome of patients with gastrointestinal bleeding after aortic dissection surgery.

Key words: aortic dissection, gastrointestinal bleeding, diagnosis, treatment