Pengaruh sedasi terhadap respon stres pascabedah abdominal di ICU RSCM: Perbandingan Deksmedetomidin dengan Midazolam terhadap perubahan kadar kortisol, gula darah dan IL-6 = Effect of Sedation on Stress Related Response After Abdominal Surgery in ICU RSCM: Comparison of Dexmedetomidine and Midazolam on the Change of Cortisol Levels, Blood Glucose and IL-6