Continuous Dexmedetomidine Infusion Reduces Postoperative Cognitive Dysfunction and Postoperative Pain in Patients Undergoing Laparotomy Surgery: Single-Blinded, Randomized Controlled Trial - Adhi Putra, Hendrikus Gede Surya; Wiryana, Made; Senapathi, Tjokorda Gde; Mahaalit Aribawa, I Gusti Ngurah; Widnyana, I Made Gede; Shintya Dewi, Dewa Ayu Mas; Zundert, André A.J.; Ryalino, Christopher (Archives of Anesthesiology and Critical Care, 2026)