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Investigation of a Novel Turbine-driven Ventilator for Use in Cardiopulmonary Resuscitation

Cardiac Arrest Clinical Trial

Official title:
Investigation of a Novel Turbine-driven Ventilator for Use in Cardiopulmonary Resuscitation

Clinical Trial Summary

The objective of this study is to determine whether healthcare professionals trained in CPR can deliver more effective ventilations during CPR using the Handivent, a novel turbine-driven ventilator as compared to bag-valve-mask ventilations, using a manikin model. The investigators believe the Handivent will deliver a more accurate respiratory rate and tidal volume, with lower intrathoracic pressure during CPR.

Clinical Trial Description

Previous studies have shown that increased respiratory rate during CPR inversely correlates with blood pressure. Higher respiratory rates increase intrathoracic pressure, which in turn decreases venous return to the heart.

In one previous study, the authors looked at 3 groups of 7 pigs, ventilated at 12 (100% O2), 30 (100%), and 30 (5% CO2, 95% 02) breaths per minute during cardiac arrest, and showed increased mortality with increasing respiratory rate. Survival rates were 6/7, 1/7, and 1/7 respectively. The results of this study led to changing the CPR guidelines in 2005 to include fewer ventilations.

The authors also observed 13 cases of CPR in the field and noted EMS personnel delivered breaths at an average of 32 bpm.

In 2012, a similar study to the current study under proposal compared a pressure-limited, pneumatically driven ventilator to bag-valve-mask in simulated CPR, using medical student volunteers. That study did not show a significant difference in tidal volumes; however, they did not record respiratory rates or mean intrathoracic pressures. Furthermore, that ventilator was pneumatically -driven and pressure limited, whereas the ventilator we propose to study is turbine-driven and can be volume/time triggered. ;

Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02743299
Study type Interventional
Source University of Utah
Contact
Status Completed
Phase Phase 0
Start date April 2013
Completion date April 2016
View Details
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