Casptesia Versus PICCO in Cardiac Surgical Patients in the ICU

Ability of a New PPV Smartphone Application to Predict Fluid Responsiveness in Cardiac Surgical Patients in the ICU

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.

Inclusion Criteria:

• adults patients ( >18 years)
• Patients scheduled for cardiac surgery
• equipped with a femoral arterial catheter and the PICCO device

Exclusion Criteria:

• Atrial fibrillation
• severe cardiac dysfunction