a comparison between sedative effect of propofol-fentanyl and propofol-midazolam combinations in microlaryngeal surgeries

نویسندگان

masih ebrahimi dehkordi department of anesthesiology, shahid beheshti university of medical sciences, tehran, iran

seyed sajad razavi department of anesthesiology, shahid beheshti university of medical sciences, tehran, iran

sirous momenzadeh department of anesthesiology, shahid beheshti university of medical sciences, tehran, iran

چکیده

considering the growing trend of laryngeal surgeries and the need to protect the airway during and after surgery, among several therapeutic regimens to induce sedation, two regimens of propofol-fentanyl and propofol-midazolam were compared in microlaryngeal surgeries. forty asa i-ii class patients undergoing microlaryngeal surgeries and referring routinely for postoperative visits were randomly recruited into two groups. for all the patients, 0.5 mg/kg of propofol was used as bolus and then, 50 mcg/kg/min of the drug was infused intravenously. for one group, 0.03 mg/kg bolus of midazolam and for the other group, 2 mcg/kg bolus of fentanyl was administered in combination with propofol. ramsay system was used in order to evaluate the effect of the two drugs in inducing sedation. the need for additional dose, blood pressure, heart rate, arterial blood oxygen saturation, and also recovery time and adverse effects such as nausea/vomiting and recalling intra-operative memories, were assessed. the patients in the two groups were not statistically different regarding the number of patients, age, sex, preoperative vital signs, the need for additional doses of propofol, systolic blood pressure and mean systolic blood pressure during laryngoscopy. however, mean systolic blood pressure 1 min after removal of laryngoscope returned faster to the baseline in midazolam group (p < 0.01). mean heart rate returned sooner to the baseline in fentanyl group following removal of stimulation. besides, heart rate showed a more reduction following administration of fentanyl (p < 0.02). mean arterial blood oxygen saturation during laryngoscopy significantly decreased in fentanyl group (p < 0.05) compared to the other group. the time it took to achieve a full consciousness was shorter in midazolam group (p < 0.01). nausea/vomiting was significantly more prevalent in fentanyl group while the patients in midazolam group apparently experienced more of amnesia, comparatively (p < 0.01). inducing laryngeal block and local anesthesia using propofol-midazolam regimen is not only associated with a more rapid recovery and less recalling of unpleasant memories, but also better in preventing reduction of arterial oxygen saturation during laryngoscopy compared with propofol-fentanyl regimen.

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A Comparison between Sedative Effect of Propofol-Fentanyl and Propofol-Midazolam Combinations in Microlaryngeal Surgeries

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عنوان ژورنال:
iranian journal of pharmaceutical research

جلد ۱۱، شماره ۱، صفحات ۲۸۷-۲۹۴

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