[Pharmacodynamics of antibiotics in their preventive use in heart surgery with general artificial circulation].

Pharmacodynamics of antibiotics in their prophylactic use was studied in 100 operations with artificial circulation, which were performed in patients with rheumatic heart defects. It was established that at the time of operation and after it, the antibiotic excreted via the kidneys insignificantly++, within the whole period of intracardiac stage of the operation, the myocardium remained without the antibacterial protection, and required the local use of an antibiotic.