A: Tracheostomy timing in Project IMPACT surgical ICUs A: Tracheostomy timing in Project IMPACT surgical ICUs. B: Tracheostomy utilization in Project IMPACT surgical ICUs and Barnes-Jewish Hospital surgical ICUs. Adapted from Reference 40. A: Tracheostomy timing in Project IMPACT surgical ICUs. B: Tracheostomy utilization in Project IMPACT surgical ICUs and Barnes-Jewish Hospital surgical ICUs. Adapted from Reference 40. Nora H Cheung, and Lena M Napolitano Respir Care 2014;59:895-919 (c) 2012 by Daedalus Enterprises, Inc.