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Intraoperative Measurement of Lung Elastance and Transpulmonary Pressure Using Two Different Methods. — Lungbaro  

Anesthesia Clinical Trial

Official title:
Intraoperative Measurement of Lung Elastance and Transpulmonary Pressure Using Two Different Methods

Clinical Trial Summary

Classically lung elastance and transpulmonary pressure are measured from the difference in tidal variations of airway pressure subtracted by tidal variations i esophagus pressure divided by the tidal volume. This requires the presence of a esophageal balloon catheter which is cumbersome and costly. In this study values obtained as described above are compared to values obtained with a new method in which a stepwise increase in positive endexpiratory pressure (PEEP) is performed with a size which corresponds to the tidal volume which the patient is ventilated with. These measurements are performed in anesthetized patients prior to major surgery.

Clinical Trial Description

Classically lung elastance and transpulmonary pressure are measured from the difference in tidal variations of airway pressure subtracted by tidal variations in esophageal pressure divided by the tidal volume (Method 1). This requires the presence of a esophageal balloon catheter which is cumbersome and costly.

In this study values obtained as described in Method 1 above are compared to values obtained with a new method in which a PEEP-step is performed with a size which corresponds to the tidal volume which the patient is ventilated with. Measurements using Method 1 and 2 are performed in anesthetized patients prior to major surgery. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02830516
Study type Observational
Source Sahlgrenska University Hospital, Sweden
Contact
Status Completed
Phase N/A
Start date June 2016
Completion date December 31, 2016
View Details
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