Document is current

Article History

Received: 20 December 2020

Accepted: 3 February 2022

First Online: 15 February 2022

Declarations

:

: Our study adhered to the tenets of the Declaration of Helsinki for research involving human subjects and followed all guidelines for investigation in human subjects required and approved by the Institutional Review Board of Dankook university hospital (IRB#DKUH202010033). The records of all patients who underwent AVI from January, 2004 through August, 2020 were retrospectively reviewed. Administrative permission to use the data was provided by the Institutional Review Board of Dankook university hospital (IRB#DKUH202010033). Informed consent was waived by the Institutional Review Board of Dankook university hospital because of the study’s retrospective nature.

: Not applicable.

: The authors declare that we have no competing interests.