• Colston A Edgerton, Stuart M Leon, Melissa A Hite, Stephen P Kalhorn, Lancer A Scott, and Evert A Eriksson.
• Department of Surgery, Division of Trauma and Critical Care, 96 Jonathan Lucas St. CSB 416, Medical University of South Carolina, Charleston, SC 29425, USA. Electronic address: edgertoc@musc.edu.
• J Crit Care. 2019 Apr 1; 50: 118-121.

AbstractThe use of Airway Pressure Release Ventilation (APRV) in patients with traumatic brain injury (TBI) remains controversial. Some believe that elevated mean airway pressures transmitted to the thorax may cause clinically significant increases in Central Venous Pressure (CVP) and intracranial pressure (ICP) from venous congestion. We perform a retrospective review from 2009 to 2015 of traumatically injured patients who were transitioned from traditional ventilator modes to APRV and also had an ICP monitor in place. Fifteen patients undergoing 19 transitions to APRV were identified. Prior to transitioning to APRV the average static and dynamic compliance was 22.9 +/- 5.6 and 16.5 +/- 4.12 mL/cm H2O. There was no statistical difference in ICP, MAP, and CPP prior to and after transition to APRV. There was a statistically significant increase in CVP, PaO2, and P:F ratio. Individually, only 4 patients had ICP values >20 in the first hour after transitioning to APRV and the rate of ICP elevations was similar between the two modes of ventilation. These data show that APRV is a viable mode of ventilation in patients with TBI who have low lung compliance. The increased CVP of this mode of ventilation did not affect ICP or hemodynamic parameters.Copyright © 2018 Elsevier Inc. All rights reserved.

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