Objectives: To explore the etiology, previous cardiac procedure methods and outcomes of redo aortic root replacement after cardiac surgery.
Methods: A retrospective analysis of 41 patients who underwent aortic root replacement surgery in our hospital from February 2010 to February 2020 who underwent at least one cardiac surgery in the past, including 27 males and 14 females, with an average age of 49.5 ± 10.2 years old. Indications for reoperation include: aortic sinus dilation and ascending aortic aneurysm in 20 cases (48.8%), recurrent aortic dissection in 7 cases (17.1%), pseudoaneurysm of aortic root in 4 cases (9.8%), prosthetic valve endocarditis in 5 cases (12.2%) and paravalvular leakage in 5 cases (12.2%). According to whether the previous procedure involved aortic root surgery, they were divided into 2 groups, namely aortic root surgery-involved (ARS) group and non-aortic root surgery-involved (NRS) group. After the patients were discharged from hospitals, follow-ups were carried out through outpatient clinic or telephone for 5 years. Kaplan-Meier was used for survival analysis.
Results: All patients underwent Bentall procedure with a median sternum incision. Six patients (14.6%) died during the postoperative hospitalization and 3 patients (8.6%) died during the follow-up. The 1-year, 3-year, and 5-year survival in ARS group were 92.6, 92.6, and 92.6%, respectively; the 1-year, 3-year, and 5-year survival in NRS group were 100, 85.7, and 85.7%, respectively. There was no statistical difference between the two groups in the cause of redo aortic root replacement, procedure time, postoperative complications, postoperative hospital stay, hospital mortality, and 5-year cumulative survival (p > 0.05).
Conclusions: Redo aortic root replacement is difficult and high risk. Bentall procedure is still a reliable surgical option for redo aortic root replacement, with good short- and mid-term results. The prognosis of redo aortic root replacement is not necessarily related to the etiology of patient's surgery and the methods of previous cardiac procedure.
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| http://dx.doi.org/10.1186/s13019-021-01587-8 | DOI Listing |
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