• D Cattano, P V Killoran, D Iannucci, V Maddukuri, A V Altamirano, S Sridhar, C Seitan, Z Chen, and C A Hagberg.
• Department of Anesthesiology, University of Texas Health Science Center Medical School at Houston, 6431 Fannin Street, Houston, TX 77030, USA. davide.cattano@uth.tmc.edu
• Br J Anaesth. 2013 Aug 1; 111 (2): 276285276-85.

BackgroundAssessment of the potentially difficult airway (DA) is a critical aspect of resident education. We investigated the impact of a new assessment form on airway prediction and management by anaesthesia residents. We hypothesized that residents would demonstrate improvement in evaluation of DAs over the study duration.MethodsAfter IRB approval, anaesthesia residents were randomized into two groups: control (existing form) and experimental (new form). Data were collected prospectively from August 2008 to May 2010 on all non-obstetric adult patients undergoing non-emergent surgery.ResultsEight thousand three hundred and sixty-four independent preoperative assessments were collected and 8075 were analysed. The experimental group had the higher completion rate than the control group (94.3% vs 84.3%, P=0.001). DA prediction was higher for the control group (71.2%) compared with the experimental group (69.1%; P=0.032). A significant improvement in prediction rates was found over time for the experimental group (likelihood estimate=0.00068, P=0.031).ConclusionsThe use of a comprehensive airway assessment did not improve resident ability to predict a DA in an academic, tertiary-based hospital, anaesthesiology residency training programme.

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