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Logisitic problem
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The goal of this study is to assess the ability of a new smartphone PPV app to predict fluid responsiveness in cardiac surgical patients in the Intensive care unit (in the postoperative period)
Pulse pressure variation (PPV) remains a good predictor of fluid responsiveness in the ICU in ventilated and sedated patients. However, PPV can be time-consuming to calculate (manual determination), is not always displayed on monitoring screens nor reliable through visual assessment and needs additional often costly devices to be displayed. A new Android application (Captesia) automatically calculates the PPV utilizing a digital photograph of the arterial waveform from the monitor. The application determines the PPV by selecting peaks and troughs of the arterial curve.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| group/cohort | Other | operated patients from cardiac surgery. Once they arrived in the ICU, we will measure PPV with the capstesia and the PICCO device at baseline, and after a volume expansion of 500 ml of crystalloid. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PPV from the capstesia | Other | we will challenge the application by doing 2 maneuvers: the first one is to increase the PEEP level from 5 to 15 cmH2O and the second one is the infusion of a mini-fluid challenge (100 ml) followed by the other 400 ml. |
| Measure | Description | Time Frame |
|---|---|---|
| PPV measure | PPV before with after 2 maneuvers which modify PPV (increase PEEP level and mini-fluid challenge) | baseline |
| PPV measure | PPV before with after 2 maneuvers which modify PPV (increase PEEP level and mini-fluid challenge) | 1 minute after the end of volume expansion |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Alexandre Joosten, M.D | ERASME | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Erasme Hospital | Brussels | 1070 | Belgium |
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Agreement and precision between two methods to measure pulse pressure variation (PPV)
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