Myocardial infarction in closed-chest dogs: a simplified method for production
- 1 November 1975
- journal article
- research article
- Published by American Physiological Society in Journal of Applied Physiology
- Vol. 39 (5) , 831-833
- https://doi.org/10.1152/jappl.1975.39.5.831
Abstract
Due to our need, we sought a simple method to reliably create myocardial infarction in the closed-chest dog. Previous techniques were dangerous, time consuming, unreliable, and costly. Here we described a new coaxial catheter method by which occluded catheter plugs are embolized selectively to branches of the left coronary artery in closed chest dogs anesthetized with sodium pentobarbital (10 mg/lb). Infarcts varying in size from 3 to 27 g, 2–27% of the left ventricle, were reliably created in dogs weighing 26–70 lb. Complications were rare with only a single fatality in the last 15 procedures. The method proved safe, simple, quick, versatile, reproducible, and inexpensive.Keywords
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