Funding for this research was provided by:
the first clinical research training course “seed fund” of Guangdong Provincial people's Hospital (2018lcpx04)
Bureau of Education of Jiangxi province (GJJ180814)
Key projects of Gannan Medical University (ZD201807)
shuangqing talent program project of guangdong provincial people's hospital (KJ012019084, KJ012019095)
Received: 11 October 2020
Accepted: 16 August 2021
First Online: 21 August 2021
: This research was approved by the Ethics Committee of Guangdong Provincial People’s Hospital (GDREC2016378H). The written informed consent was obtained from almost all of the patients before the procedure, and some informed consents were acquired from their next of kin for patients who could not sign informed consent themselves due to the chest pain or other reasonable causes.
: Not applicable.
: The authors declare that they have no competing interests.