@entity1875 Anesthesia for @entity1 Undergoing Magnetic Resonance Imaging: A Comparison with XXXX , @entity3810 , and a Laryngeal Mask Airway.

@entity1 @entity3727 @entity26 @entity1875 @entity3810 @entity2614 @entity5161
BACKGROUND:: Both @entity1875 infusions with @entity26 delivered through nasal cannula and @entity5161 / @entity3727 ( @entity3810 ) delivered via a laryngeal mask airway (LMA) are used to provide anesthesia for @entity1 undergoing magnetic resonance imaging scans. We compared the incidence of adverse events and perioperative physiologic responses in @entity1 anesthetized with these 2 regimens. METHODS:: One hundred-fifty healthy @entity1 , ages 1 to 10 years, were randomized to receive either a @entity1875 infusion (starting at 300   g kg  min) with @entity26 via nasal cannula (n = 75) or @entity5161 with 70% @entity3727 in @entity26 delivered via an LMA (n = 75), both after a @entity2614 / @entity3727 / @entity26 induction. Adverse airway events, as well as hemodynamic, respiratory, and other physiologic responses were recorded during the magnetic resonance imaging scans and in the postanesthesia care unit by a single research nurse who was blind to the treatments. All parents were contacted postoperatively to complete a postanesthetic follow-up. RESULTS:: All 150 @entity1 completed their scans. The frequency of all adverse airway events during emergence and recovery after @entity1875 (12%) was significantly less than that after @entity5161 / @entity3727 /LMA (49%) (95% confidence interval for the risk difference was 23%-50%) (P = 0.0001). Hemodynamic responses and recovery times for the 2 treatments were similar. Early recovery, defined as the time interval from admission to the postanesthesia care unit until eye opening and wakefulness (modified Aldrete score >5), after @entity1875 was more rapid than that after @entity5161 / @entity3727 /LMA (P = 0.0001 and P = 0.0012, respectively). No scans had to be repeated. CONCLUSIONS:: The frequency of adverse airway events during emergence and recovery after @entity1875 infusion with @entity26 by nasal cannula is less than with @entity5161 / @entity3727 /LMA in @entity1 .
