About this trial
Pulse pressure variation is a monitoring index that indicates the response to fluid therapy in patients receiving mechanical ventilation, and is used as a reference for patients with unstable hemodynamic conditions. However, it is invasive because it requires arterial puncture to collect it. In a previous study by the investigators, the investigators developed and verified an artificial intelligence model that predicts stroke volume variation, in real time using only the central venous pressure waveform. However, since a large vein such as the jugular vein must be punctured to collect the central venous pressure waveform, it is still invasive, and its clinical utility is low. Therefore, in this study, the investigators collected waveforms from peripheral veins that are less invasive and can be a wide range of applications because all surgical patients have them. The investigators aimed to develop and verify an artificial intelligence model that predicts pulse pressure variation obtained from peripheral venous waveforms .
Eligibility criteria
Qualifiers
Patients who voluntarily agreed and signed the written informed consent form before participating in this study
Adult aged 19 years or older
American Society of Anesthesiologists physical class (ASA) 1-3
Patients scheduled for elective hepatectomy under general anesthesia
Disqualifiers
Patients with abnormal findings on electrocardiogram before surgery
Patients who cannot undergo peripheral venous puncture
Trial design
Treatments tested in this trial
- peripheral waveform collection