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A simple cooling circuit for topical cardiac hypothermia
Thorax
|October 1, 1976
Summary
A new recirculation cooling system ensures rapid, uniform heart cooling for myocardial protection during open intracardiac surgery. This system offers simplicity and broad applicability in cardiac procedures.
Area of Science:
- Cardiovascular Surgery
- Medical Devices
- Cardioprotection
Background:
- Effective myocardial protection during open intracardiac surgery necessitates rapid and uniform cooling.
- Local hypothermia is a key strategy for preserving heart muscle during these procedures.
Purpose of the Study:
- To report the design and function of a novel recirculation cooling circuit for myocardial protection.
- To provide a system for rapid, uniform cooling of the heart during cardiac surgery.
Main Methods:
- Construction and operation of a recirculation cooling circuit.
- The system includes a reservoir, pump, and heat-exchanger.
- Delivers up to 1 litre of 4°C fluid per minute into the pericardium or heart.
Main Results:
- The system facilitates rapid cooling of the myocardium.
- Demonstrates simplicity in operation for perfusionists.
- Applicable to all standard cardiac surgical procedures.
Conclusions:
- The developed recirculation cooling circuit effectively achieves rapid uniform myocardial cooling.
- The system is user-friendly and versatile for various cardiac surgical interventions.
- This method enhances myocardial protection during open intracardiac surgery.