Received: 16 January 2021
Accepted: 24 March 2021
First Online: 6 April 2021
: Institutional ethical clearance of the protocol was obtained from the Institutional Research Ethics Committee, Aswan Heart Centre, Egypt, although this study is a retrospective study.Written consent was obtained from patients or their authorized representatives.All procedures contributing to this work comply with the ethical standards of the Helsinki Declaration of 1975, as revised in 2008.
: All patients included in this research gave written informed consent to publish the data contained within this study. If the patient was less than 16 years old, deceased, or unconscious when consent for publication was requested, written informed consent for the publication of this data was given by their parent or legal guardian.
: The authors declare that they have no competing interests.