“…[40,41] It can prevent surgical stress response by decreasing blood pressure and heart rate. [42] Unfortunately, dexmedetomidine can cause hypotension and bradycardia in clinical, especially in patient with hypovolemia or atrioventricular block. In our study, the number of perioperative hypotension and bradycardia was increased in patients with dexmedetomidine, although no statistical significance was found between dexmedetomidine and placebo.…”