[Cardiopulmonary bypass models in rats: problems and perspectives]

Area of Science:

• Cardiovascular Surgery
• Anesthesiology
• Translational Research

Background:

• Cardiopulmonary bypass (CPB) is essential for cardiac surgery.
• High postoperative mortality and morbidity associated with CPB remain significant challenges.
• Rat models offer advantages for studying CPB-related issues like cognitive dysfunction.

Purpose of the Study:

• To establish an ideal cardiopulmonary bypass (CPB) model in rats.
• To create a model that closely mimics clinical CPB settings.
• To develop a highly repetitive and technically feasible CPB model for research.

Main Methods:

• Detailed surgical techniques for establishing CPB in rats.
• Methodological considerations for ensuring model reproducibility.
• Validation of the model for research applications, particularly in postoperative cognitive dysfunction.

Main Results:

• Successful establishment of a technically demanding CPB model in rats.
• Demonstration of the model's potential for high repetitiveness.
• Suitability of the rat CPB model for investigating postoperative cognitive dysfunction.

Conclusions:

• An ideal CPB model in rats can be established with high technical proficiency.
• This model serves as a valuable tool for preclinical research on CPB complications.
• Further refinement can enhance the clinical relevance of rat CPB models.