Received: 12 January 2021
Accepted: 31 May 2021
First Online: 5 June 2021
: The study protocol was approved by the Wakayama Medical University Ethical Review Board (No. 2916). The study protocol conforms with the ethical guidelines of the 1975 Declaration of Helsinki. This retrospective study was based on medical records. We obtained informed consent before catheterization from all patients.
: Not applicable.
: The authors declare that they have no competing interests.