Redo-Bentall surgery for aortic root lesions: a report of case series

Objective To observe the clinical efficacy of Redo-Bentall surgery in the reoperation of aortic root lesions. Methods A retrospective analysis was performed on 46 patients who underwent Redo-Bentall surgery for aortic root lesions in our department from June 2010 to April 2022. They were 35 males and 11 females, at a mean age of 43.37±12.79 years, in 4.96±6.76 years since the last operation. General clinical data in perioperative period and during follow-up were collected and analyzed. Kaplan-Meier survival analysis was used to compare the survival rates of each etiological group. Results There were 9 cases of central end otitis, 12 cases of Behset's disease, and 25 cases of other causes. After operation, 4 cases (8.70%) experienced cardiac arrest, 4 cases (8.70%) renal failure, 2 cases (4.35%) gastrointestinal bleeding, 2 cases (4.35%) new third-degree atrioventricular block and 2 cases (4.35%) permanent pacemaker placement. In perioperative period, 3 cases (6.52%) died in hospital. During a mean follow-up o