Dexmedetomidine as an Adjuvant to Ropivacaine in Quadratus Lumborum Block for Patients Undergoing Laparoscopic Inguinal Hernia Repair: A Comparative Randomized Study - Sheshadri, Karthik; Ramegowda, Sudheer; Chandra, Mahesh; I, Renjan; B, Jasni; Ananth, Harshith (Archives of Anesthesiology and Critical Care, 2026)