Received: 27 January 2020
Accepted: 19 May 2020
First Online: 10 June 2020
Ethics approval and consent to participate
: The current prospective randomized double-blinded study was conducted on 40 adult patients scheduled to undergo shoulder arthroscopy in Ain Shams university hospital through the period from June 2019 to December 2019 after obtaining approval of research ethical committee (REC) of Faculty of medicine - Ain Shams University (FMASU) at March 2019 with a reference number of FMASU R 22/2019 and patients’ written informed consents for acceptance of participation in the study.
: Not applicable
: The authors declare that they have no competing interests.