• Carlos A Pelaez, Julie A Jackson, Mikayla Y Hamilton, Christopher R Omerza, Jeannette M Capella, and Matthew W Trump.
• Trauma Surgery, The Iowa Clinic, 1200 Pleasant St, Des Moines, IA, United States of America; Trauma Services, UnityPoint Health, Des Moines, IA, United States of America. Electronic address: cpelaezgil@iowaclinic.com.
• Injury. 2022 Sep 1; 53 (9): 296729732967-2973.

BackgroundHigh flow nasal cannula (HFNC) use reduces work of breathing and improves oxygenation for patients with hypoxemic respiratory failure. Limited prior work has explored protocolized use of HFNC for trauma patients outside the Intensive Care Unit (ICU). The purpose of this study is to describe and evaluate use of HFNC for patients with rib fractures when therapy was standard of care on all floors of the hospital.MethodsIn 2018, the study hospital expanded use of HFNC (AIRVO; Fisher Paykel, Auckland, NZ) to all floors of the hospital, making it available in the ICU, Emergency Department (ED), and on general inpatient floors. The study group included adult patients with three or more rib fractures who received HFNC at any location in the hospital (Phase 2: January 2018-December 2019). The study group was compared to a historical control group when HFNC was available only in the ICU (Phase 1: March 2013-July 2015). Patients were excluded from the study if they received invasive mechanical ventilation prior to HFNC. Primary outcomes were mechanical ventilation rates, ICU days, length of hospitalization, and mortality.ResultsDuring the study period, 63 patients received HFNC, with 35% of patients (n = 22) receiving the duration of therapy outside the ICU. When compared to the control group (N = 63), there were no significant differences in total hospital days (9 vs. 9, p=.64), mechanical ventilation (19% vs. 13%, p=.47), or mortality (3% vs. 5%, p = 1.00). Twenty-seven percent of patients (n = 17) in the study group avoided the ICU during hospitalization.ConclusionsFindings suggest that HFNC therapy can be safely initiated and managed on all hospital floors for patients with multiple rib fractures. Making the therapy available outside the ICU may reduce healthcare resource use without adversely affecting patient outcomes.Copyright © 2022 Elsevier Ltd. All rights reserved.

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