“…Studies on the influence of pre-operative anxiety and depression symptoms on outcomes have found these disturbances to be associated with more severe physical symptoms, hospital readmissions, longer hospital stay, increased cardiac events, worse general function, pain, lower quality of life and various postoperative complications (Blumenthal et al, 2003;Faller, Kirschner, & Konig, 2003;Geulayov et al, 2018;Gold et al, 2016;Hanusch, O'Connor, Ions, Scott, & Gregg, 2014;Kagan & Bar-Tal, 2008;Poole et al, 2014Poole et al, , 2017Rasouli, Menendez, Sayadipour, Purtill, & Parvizi, 2016;Rolfson, Dahlberg, Nilsson, Malchau, & Garellick, 2009;Stark et al, 2016;Tully et al, 2014Tully et al, , 2015. The presence of symptoms of anxiety or depression at the time of surgery, along with pain and not feeling rested upon awakening, seems to be a major contributor to the presence of those same symptoms postsurgery (Basak et al, 2015;Sveinsdóttir, 2010).…”