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The effect of dexmedetomidine, remifentanil and metoral in reducing patient bleeding during rhinoplasty surgery.

INTRODUCTION: Rhinoplasty is one of the most common surgeries in the ENT department. Rhinoplasty hemorrhage is one of the complications that different strategies have been used to reduce it. Reduction of bleeding reduces the risk of complications such as hemolytic and non-hemolytic reactions, acute lung damage, viral and bacterial infections, hypothermia and coagulation disorders. Therefore, the aim of this study was to compare the effect of dexmedetomidine, remifentanil and metoral in reducing patient bleeding during rhinoplasty surgery.

MATERIALS AND METHODS: This randomized, double-blind trial was performed on rhinoplasty patients. Rhinoplasty candidates who had the inclusion and exclusion criteria were divided into three groups of remifentanil, metoral and dexmedetomidine according to the random number table. Then 0.5 mg/kg/h of dexmedetomidine in the first group was administered, followed by 100-150 kg/h remifentanil in the second group and 50 mg metoral in the third group. Mean blood pressure, heart rate, mean bleeding and surgeon satisfaction were recorded in designed form. Data were analyzed by Spss-22 software.

RESULTS: The mean blood pressure of patients in remifentanil group was lower than the other two groups (P = 0.03). In all three times during surgery, recovery and overall time, the amount of bleeding in the remifentanil group was found to be less than the other two groups. Furthermore, the rate of bleeding in the dexmedetomidine group was found to be less than the metoral group (P = 0.03, P = 0.02). The surgeon's satisfaction score in the remifentanil group was higher than the other two groups. Satisfaction score was higher in dexmedetomidine group than metoral group (P = 0.03). The recovery time in the metoral group was shorter than the other two groups (P = 0.02).

CONCLUSION: Remifentanil caused a good and appropriate reduction of blood pressure in rhinoplasty surgery, causing less bleeding and higher satisfaction.

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