The Estimation of Abdominal Pressure by the Bladder and Gastric Pressure
The investigators aim to compare the bladder pressure to the gastric pressure in critically ill patients.
|Study Design:||Allocation: Non-Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Diagnostic
|Official Title:||The Estimation of Abdominal Pressure by the Bladder and Gastric Pressure|
- To estimate the bladder pressure [ Time Frame: 5 minutes ] [ Designated as safety issue: No ]
|Study Start Date:||July 2005|
|Study Completion Date:||November 2007|
|Primary Completion Date:||November 2007 (Final data collection date for primary outcome measure)|
Critically hill, mechanically ventilated patients
Procedure: measurement of abdominal pressure
measurement of abdominal pressure with different volume and saline temperature
In critically ill patients, we will measure the gastric pressure by a gastric balloon and the bladder pressure by the intra-vesical pressure to find the optimal method to estimate the abdominal pressure.