“…Pediatric pain-management practices continue to fall short of the ideal (Shrestha-Ranjit & Manias, 2010;Twycross, Finley, & Latimer, 2013), with hospitalized children experiencing moderate to severe unrelieved pain postoperatively (Fortier, Chou, Maurer, & Kain, 2011;Shrestha-Ranjit & Manias, 2010;Taylor, Boyer, & Campbell, 2008). Pediatric patients with having postoperative pain are usually to experience difficulty coughing, deep breathing and mobilitation, thereby uncontrolled postoperative pain in children may increase postoperative complications, hospital stays and costs (Payakkaraung et al, 2010;Taddio et al, 2009;Twycross, 2009). nurses, lack of knowledge regarding pain management, difficulty of health care providers in making decisions about pain management, and nurses' fear or misconceptions regarding the use of opioid analgesics (Mediani, 2014;Shrestha-Ranjit, & Manias, 2010).…”