Ethics approval and consent to participate
Pain, ’
MAY
This prospective, observational study was performed in the Department of Anesthesiaو Intensive Care and Pain Management, Faculty of Medicine, Zagazig University, after Institutional Review Board (IRB) approval (ZUIRB #9424 dated 03/04/2022) and obtaining patients’ informed consent for participation in the study during the period from May 2022 to May 2023. All study procedures were carried out in accordance with the ethical standards of the Helsinki Declaration of 2013.