The effect of bisoprolol on bleeding and hemodynamic changes in septorhinoplasty patients: A double-blind randomized clinical trial study
The nature of septorhinoplasty surgery and hemodynamic instability in patients causes intraoperative bleeding, which affects the quality of the surgical field of view, intraoperative and postoperative complications, and surgical outcome.
This double-blind randomized clinical trial study was conducted on 60 patients aged 18 to 44 who were candidates for septoranioplasty surgery. Patients were randomly divided into two equal groups. Group 1: received bisoprolol 2.5 mg and group 2 received placebo as a control group. Hemodynamic symptoms will be measured before induction, after induction, 1 minute after induction, 5 minutes after induction, 30, 60, 90 and 120 minutes during operation, entering recovery and exiting recovery. The amount of bleeding during the operation was estimated based on the amount of bleeding in the suction.
In the times before and after induction, 1 minute, 5, 15, 30, 60, 90, 120, in recovery and outside of recovery, there was a significant difference between the two groups in the average systolic and diastolic blood pressure and blood pressure. There was no mean arterial (P<0.05). While the heart rate in these minutes was reported to be significantly lower in the bisoprolol group than in the control group (P<0.05).
The results of this study showed that the use of a dose of 2.5 mg of bisoprolol before the operation can significantly reduce the heart rate, but it does not make a significant difference in the hemodynamic changes and the bleeding rate of patients in septorhinoplasty surgery.
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