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This study test the agreement and accuracy of Pulse Pressure Variation (PPV) and Cardiac Output (CO) obtained by the Android application Capstesia™ against the gold standard : PPV and CO calculated by thermodilution.
Pulse pressure variation (PPV) remains a good predictor of fluid responsiveness in the OR. 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 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 |
|---|---|---|---|
| PPV | This study will track changes in PPV and CO before and after of volume expansion, which goal is to change the cardiac output. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Calculation of PPV and CO with two methods | Other |
|
| Measure | Description | Time Frame |
|---|---|---|
| PPV | the Pulse Pressure Variation will be calculated by the Android Application (Captesia) and by the Picco before and after a meneuver of volume expansion, which goal is to change the cardiac output. | at time of surgery |
| Measure | Description | Time Frame |
|---|---|---|
| CO | the Cardiac Output will be calculated by the Android Application (Captesia) and by thermodilution before and after of volume expansion, which goal is to change the cardiac output. | at time of surgery |
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Inclusion Criteria:
Exclusion Criteria:
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patients scheduled for coronary artery bypass
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| Name | Affiliation | Role |
|---|---|---|
| Céline F Boudart, MD | Erasme Hospital Bruxelles | Principal Investigator |
| Alexandre Joosten, MD | Erasme Hospital Bruxelles | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Erasme Hospital | Brussels | 1070 | Belgium |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25427970 | Background | Yang X, Du B. Does pulse pressure variation predict fluid responsiveness in critically ill patients? A systematic review and meta-analysis. Crit Care. 2014 Nov 27;18(6):650. doi: 10.1186/s13054-014-0650-6. | |
| 21705869 | Background | Cannesson M, Le Manach Y, Hofer CK, Goarin JP, Lehot JJ, Vallet B, Tavernier B. Assessing the diagnostic accuracy of pulse pressure variations for the prediction of fluid responsiveness: a "gray zone" approach. Anesthesiology. 2011 Aug;115(2):231-41. doi: 10.1097/ALN.0b013e318225b80a. |
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