Wan, Jindong
Ran, Fei
Xia, Siwei
Hou, Jixin
Wang, Dan
Liu, Sen
Yang, Yi
Zhou, Peng
Wang, Peijian http://orcid.org/0000-0002-3622-4538
Funding for this research was provided by:
National Natural Science Foundation of China (81970262)
Central Funds Guiding the Local Science and Technology Development of Sichuan Province (2020ZYD036)
Innovation Team Project Department of Education of Sichuan Province (17TD0011, 18TD0030)
Specialized Scientific Research Funding for Sichuan Center of Geriatrics (SCLNZX1808)
Article History
Received: 22 September 2020
Accepted: 24 January 2021
First Online: 30 January 2021
Ethics approval and consent to participate
: This retrospective study was approved by the Institutional Review Board of the First Affiliated Hospital of Chengdu Medical College. All patients had given their written consent for the AVS procedure and participation in the study. The Institutional Review Board of the First Affiliated Hospital of Chengdu Medical College granted permission to access the raw data for the study.
: Not applicable.
: All authors have no conflict of interest.