Received: 31 August 2020
Accepted: 12 March 2021
First Online: 30 March 2021
: The study protocol was approved by the Institutional Review Board (IRB) of the Affiliated Traditional Chinese Medicine Hospital while conforming to the standards of the Declaration of Helsinki and its subsequent revisions. Only patients who had MSCT-confirmed SIVAD and those who signed informed consent were included in the study.
: Not applicable.
: The authors declare that they have no competing interests.