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Remifentanil versus sufentanil continuous infusion for sedation in mechanically ventilated patients
Critical Care volume 9, Article number: P136 (2005)
The first objective of this study was to compare the effectiveness of remifentanil and sufentanil as sedative agents in mechanically ventilated patients to achieve a Ramsay sedation score (RSS) of 2–3.
Twenty (12 males, eight females) mechanically ventilated (pressure support) patients requiring analgesia and sedation were included in the study. Patients were assigned randomly to group R (eight patients, remifentanil) or to group S (12 patients, sufentanil). In group S at ICU admission sufentanil infusion was started at 0.003 μg/kg/min. In group R at ICU admission remifentanil infusion was started at 0.05 μg/kg/min. As rescue dose a bolus of 1–2 mg midazolam was administered to reach the predefined RSS or to facilitate nursing procedures. If adequate sedation was not reached after 6 hours or before, in the case of more than three consecutive midazolam rescue dose administrations without reaching the target RSS, the continuous infusion rate was increased up to 0.01 μg/kg/min in group S and up to 0.1 μg/kg/min in group R, respectively. Neurological (RSS, GCS, VAS), hemodynamic (HR, mAP) and respiratory (TV, PEEP/Paw, RR, PaO2/FiO2, PaCO2, HCO3-) data were evaluated at a predefined step from the HCO3 induction of sedation (T0) and every 30 min (T30, T60, T90, T120) and then during sedation maintenance every 6 hours (T6, T12, T18, T24, T30, T36, T42, T48). After 48 hours the observation ended. Statistical analysis was performed with the Kruskal–Wallis test and comparisons with baseline values with the Dunn test. P < 0.05 were considered statistically significant.
These preliminary results show that either sufentanil or remifentanil are effective and safe as analgosedative agents in mechanically ventilated critically ill patients.
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Costa, G., Chiarandini, P., Lugano, M. et al. Remifentanil versus sufentanil continuous infusion for sedation in mechanically ventilated patients. Crit Care 9, P136 (2005). https://doi.org/10.1186/cc3199
- Continuous Infusion
- Respiratory Depression