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The effect of auditory sensory stimulation with familiar voice on recovery from anesthesia in patients undergoing rhinoplasty
Mohammadhossein Dehghani , Seyedmohammadreza Niktabar , Amirreza Samei, Shamsodin Mohammadi,
Volume 79, Issue 1 (4-2021)
Abstract
Background: Anesthesia duration can play a significant role in post-operative complications. Therefore, the present study investigated the effect of auditory sensory stimulation with a familiar voice on anesthesia return in patients undergoing rhinoplasty.
Methods: This study was performed on 80 patients who were candidates for rhinoplasty surgery in Yazd Trauma and Burn Hospital from September-2018 to October-2019. The patients were randomly divided into two groups of 40: control and intervention. For patients in the control group, routine nursing care was performed after entering the recovery room. In addition to routine care, the patients in the intervention group were stimulated with a 15-minute pre-recorded audio. Patients' hemodynamic parameters were recorded before and after hearing stimulation. Also, the return time of the patient from anesthesia was recorded. Finally, the collected data were entered into SPSS software (Ver. 22) and analyzed using an independent sample t-test and Repeated mesasure ANOVA.
Results: The results of this study showed that from the fifth minute after auditory sensory stimulation, the mean arterial pressure (MAP) in the intervention group was significantly higher than the control group (P<0.05). So that MAP in recovery (as the last follow-up) in the intervention group with a mean of 86.85±4.11 mmHg was significantly higher than the control group with a mean of 81.88±6.68 mmHg (P<0.001). Besides, the duration of recovery from anesthesia in the intervention group was significantly less than the control group (mean time: 24.05±3.39 min vs. 34.70±70.73 min; P<0.001). Finally, nausea was observed in only 7.5% of patients in the control group and agitation was reported in 5% of the control group and 5% of the intervention group (P>0.05).
Conclusion: According to the results, the use of auditory sensory stimuli with a familiar voice can significantly decrease the duration of recovery from anesthesia. Also, it plays a crucial role in changing the SBP, DBP, and MAP of these patients to normal levels.

Comparison of the effect of two doses of remifentanil infusion on the amount of bleeding, intraoperative hemodynamic changes and complications after rhinoplasty surgery with general anesthesia
Hamidreza Shetabi, Mahsa Mohammadrezaei ,
Volume 81, Issue 7 (10-2023)
Abstract
Background: This study was conducted to compare the effect of two doses of remifentanil infusion on the amount of bleeding, intraoperative hemodynamic changes, and complications after rhinoplasty surgery with general anesthesia.
Methods: This prospective randomized clinical trial study was conducted on 80 patients who were candidates for rhinoplasty from March 1401 to August 1402 in Al-Zahra Hospital, Isfahan, Iran. The participants were divided into two groups of 40 people using random allocation software. remifentanil infusion was adjusted in the first group with a dose of 0.15-0.25 mg/kg/min and in the second group with a dose of 0.25-0.35 mg/kg/min. The goal was to maintain mean arterial pressure (MAP) between 60 and 65 mmHg, to achieve this goal, reducing or increasing the rate of remifentanil infusion was used. During the operation, a heart rate of less than 50 beats per minute was considered bradycardia and was treated with atropine 0.015 mg/kg. In addition, the remifentanil infusion rate was reduced if MAP fell below 60 mmHg for more than 60 seconds. Patients were evaluated and compared during operation and recovery in terms of hemodynamic parameters, intraoperative bleeding and postoperative complications.
Results: There was no significant difference between the two groups in the changes of hemodynamic parameters during surgery and recovery (P>0.05). The average bleeding volume in the two groups receiving remifentanil 0.15-0.25 mcg/kg/min and 0.25-0.35 mcg/kg/min Remifentanil was 44.25±23.1 and 28.25±15.5 ml, respectively, and the difference between the two groups was significant (P<0.001). According to the surgeon's opinion, intraoperative bleeding in the 0.25-0.35 mcg/kg/min remifentanil group was significantly lower than 0.15-0.25 (P=0.001).
Conclusion: According to the findings of the present study, it seems that the use of 0.25-0.35 min/µg/kg dose of remifentanil compared to 0.15-0.25 min/µg/kg dose, is associated with a significant reduction in bleeding during rhinoplasty, and also the use of this dose is not associated with the occurrence of serious hemodynamic disorders, including bradycardia and severe drop in blood pressure.

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