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A Journal on Anesthesiology, Resuscitation, Analgesia and Intensive Care
ORIGINAL ARTICLES ANESTESIOLOGY
Minerva Anestesiologica 2000 Novembre;66(11):793-7
The effects of remifentanil on hemodynamic response to intubation. A comparative study with fentanyl
Cafiero T., Mastronardi P. *, Burrelli R., Santoro R.
*Università degli Studi «Federico II» - Napoli ASL CE/2 - Sessa Aurunca Ospedale «San Rocco» Servizio di Anestesia e Rianimazione
Background. The aim of this study was to evaluate the effects of remifentanil in comparison with those of fentanyl on the hemodynamic response to orotracheal intubation.
Methods. Experimental design: prospective comparative and randomized study. Setting: operating room in a neurosurgery department at University. Patients: 50 patients, ASA I or II with age ranging from 32 to 64 years were divided in two groups randomly. Interventions: 25 patients received fentanyl as single bolus dose of 2.0 µg/kg and atropine 0.01 mg/kg i.v. as premedication while the remainders received atropine 0.01 mg/kg i.v. and remifentanil 0.2 µg/kg/min as infusion. All patients were induced with propofol 2.0 mg/kg and cisatracurium 0.15 mg/kg for muscle relaxation and were intubated 4 min after induction of anesthesia. Measurements: Heart rate, SAP, DAP, MAP and RPP were recorded at different times: baseline, induction, intubation, 1, 2, 3 and 4 min after intubation; ECG and pulsoximetry were monitored continuously. Statistical analysis was carried out using ANOVA for repeated measures and Bonferroni t-test a value of p<0.05 was considered to be significant.
Results. Significant increases in PAS were recorded, at intubation and at 1 min after in patients treated with fentanyl; in the remifentanil group significant decreases in SAP at induction and at 4 min after intubation were recorded. HR increased significantly at intubation and at 1, 2 and 3 min after in the fentanyl group. RPP showed a significant decrease at induction in the remifentanil group and significant increases at intubation and at 1, 2 and 3 min after in patients treated with fentanyl.
Conclusion. In conclusion remifentanil was found to properly control the hemodynamic response to intubation in comparison with fentanyl.