简介:
Overview
This article presents a protocol for assessing plasma coagulation in liver tissue in vivo using a porcine model. Key measurements include microcirculation via laser Doppler, coagulation depth histologically, and temperature at the coagulation site using infrared thermography.
Key Study Components
Area of Science
- Clinical liver surgery
- Plasma coagulation
- Thermography applications
Background
- The study focuses on the energy setting depth relation of argon and helium plasma coagulation.
- Utilizes a large animal model that closely resembles clinical applications.
- Infrared thermography is employed for monitoring various physiological parameters.
- Inflammation processes can also be observed with this technique.
Purpose of Study
- To experimentally assess the effectiveness of plasma coagulation in liver tissue.
- To evaluate the relationship between energy settings and coagulation depth.
- To demonstrate the utility of infrared thermography in monitoring surgical procedures.
Methods Used
- Laser Doppler for assessing microcirculation.
- Histological measurement of coagulation depth.
- Infrared thermometer and thermographic camera for temperature monitoring.
- Burst pressure experiments to document duct sealing effects.
Main Results
- Successful assessment of plasma coagulation depth in liver tissue.
- Demonstrated the effectiveness of infrared thermography in monitoring temperature distribution.
- Established a correlation between energy settings and coagulation outcomes.
- Validated the use of a porcine model for clinical relevance.
Conclusions
- The protocol provides a reliable method for studying plasma coagulation in vivo.
- Infrared thermography proves to be a valuable tool in surgical monitoring.
- This study enhances understanding of coagulation processes in liver surgery.
What is the significance of using a porcine model?
The porcine model closely mimics human physiology, making it relevant for clinical applications.
How does infrared thermography contribute to the study?
It allows for real-time monitoring of temperature distribution and other physiological parameters during the procedure.
What are the main advantages of this technique?
The technique is clinically relevant and does not require special equipment, making it accessible for various research settings.
What measurements are taken during the procedure?
Measurements include microcirculation, coagulation depth, and temperature at the coagulation site.
Who demonstrates the procedure?
Pascal Paschenda, a technician from the research group, demonstrates the procedure.
What is the purpose of burst pressure experiments?
Burst pressure experiments document the effectiveness of duct sealing achieved through plasma coagulation.