Funding for this research was provided by:
The president foundation of NanFang hospital,Southern Medical University (No 2017B022)
Received: 20 September 2019
Accepted: 7 January 2020
First Online: 17 January 2020
Ethics approval and consent to participate
: This institutional review board of First Hospital, Dalian Medical University, approved the use of a prospectively maintained database of patients with symptomatic aortic valve disease who received aortotomy.
: We hereby confirm the authors consent for publication.
: The authors declare that they have no competing interest.