Method and apparatus for monitoring patient parameters during surgery involving extracorporeal circulation
The method addresses the limitations of current AKI predictive models by calculating and displaying real-time dynamic and comprehensive AKI risk indices during extracorporeal circulation, enhancing monitoring and intervention capabilities.
JP2025519795APending Publication Date: 2025-06-26POLICLINICO SAN DONATO
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Patent Information
- Application Number
- JP2024574557
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-06-17
- Filing Date
- 2023-06-16
- Publication Date
- 2025-06-26
AI Technical Summary
Technical Problem
Current predictive models for acute kidney injury (AKI) during surgeries involving extracorporeal circulation do not account for dynamic parameters related to the circulation process, limiting real-time monitoring and corrective measures.
Method used
A method for monitoring patient parameters during extracorporeal circulation that calculates a dynamic AKI risk index and a comprehensive AKI risk index, incorporating both static and dynamic parameters, to be displayed in real-time for timely intervention.
Benefits of technology
The method enables real-time monitoring and adjustment of AKI risk during surgery, improving the quality of perfusion and reducing the risk of postoperative renal failure.
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Abstract
A method for monitoring a patient's parameters during surgery involving extracorporeal circulation is useful for estimating the presence of an AKI risk and includes calculating a dynamic and comprehensive AKI risk indicator as a logistic regression derived from static AKI risk indicators and dynamic AKI risk indicators. The value and / or temporal trend of such a comprehensive indicator of AKI risk can advantageously be displayed on a monitor during surgery. The dynamic AKI risk indicator is calculated based at least on the extracorporeal circulation time repeatedly measured or determined during surgery, the minimum level of oxygen supply, and the exposure time to an oxygen supply lower than a critical threshold. Preferably, the dynamic AKI risk indicator is also calculated based on the minimum value of the mean arterial pressure during surgery, and / or the maximum value of the blood lactate concentration during surgery, and / or the minimum value of the hematocrit during surgery, and / or the fact that the patient received a blood transfusion during extracorporeal circulation.
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