A practical guide to setting up pig models for cardiovascular catheterization, electrophysiological assessment and heart disease research

心导管术 医学 电生理学 疾病 心脏病学 内科学
作者
Dominik Schüttler,Philipp Tomsits,Christina Bleyer,Julia Vlcek,Valerie Pauly,Nora Hesse,Moritz F. Sinner,Daphne Merkus,Jules Hamers,Stefan Kääb,Sebastian Clauß
出处
期刊:Lab Animal [Springer Nature]
卷期号:51 (2): 46-67 被引量:19
标识
DOI:10.1038/s41684-021-00909-6
摘要

Over the past years, the use of large animals has become increasingly interesting in translational research, to bridge the gap between basic research in rodents and targeted therapies in humans. Pigs are highly valued in cardiovascular research because of their anatomical, hemodynamic and electrophysiological features, which closely resemble those of humans. For studying these aspects in swine, cardiac catheterization techniques are essential procedures. Although cardiac catheterization seems to be comparatively easy in pigs as human equipment can be used to perform the procedure, there are some pitfalls. Here we provide a detailed protocol to guide the reader through different aspects of cardiac catheterization in pigs. We suggest an approach for safe intubation and extubation, provide tips for perioperative and postoperative management of the animals and guide the reader through different experimental steps, including sheath insertion. We also describe the procedures for basic electrophysiological assessment of conduction properties and atrial fibrillation induction, hemodynamic assessment via pressure-volume loops, right heart and left heart catheterization and the development of a myocardial infarction model by balloon occlusion. This protocol was developed in Landrace pigs and can be adapted to other pig breeds or other large animal species. This protocol requires approximately six and a half working hours in total and should be performed by researchers with previous experience in large animal experimentation and in the presence of a veterinarian.
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