This article is certainly republished with kind permission from our friends at the The Kaiser Family Foundation. You can view the complete Kaiser Daily Health Plan Record, search the archives, or sign up for email delivery of in-depth coverage of health policy developments, debates and discussions. The Kaiser Daily Health Policy Report is released for Kaisernetwork.org, a free of charge support of The Henry J. Kaiser Family Foundation. Copyright 2006 Advisory Board Firm and Kaiser Family Basis. All rights reserved..An independent telephone randomization system assigned patients to either HFOV or typical mechanical ventilation in a 1:1 ratio. Each center got one HFOV ventilator, so recruitment cannot take place if these devices was used for another scholarly study patient. Study Treatments Individuals in the HFOV group were treated by using a Novalung R100 ventilator 7 before begin of weaning. The original configurations were a ventilation regularity of 10 Hz, a mean airway pressure of 5 cm of water above the plateau airway pressure at enrollment, bias flow rate of 20 liters each and every minute, a cycle level of 100 ml , and an influenced oxygen fraction of 1 1. This ventilator has a fixed 1:1 inspiratory:expiratory time ratio.