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  • Title: Effects of prostacyclin on coronary circulation, heart rate and myocardial contractile force in isolated hearts of guinea pig and rabbit - comparison with prostaglandin E2.
    Author: Schrör K, Moncada S.
    Journal: Prostaglandins; 1979 Mar; 17(3):367-73. PubMed ID: 382264.
    Abstract:
    Infusions of prostacyclin (PGI2) (3 x 10(-10) - 3 x 10(-7)M) into the coronary circulation of isolated hearts from ginea pigs or rabbits resulted in a concentration-dependent decrease in the coronary perfusion pressure (CPP). There was a slight decrease in left ventricular systolic pressure in the heart of the rabbit, whereas the heart rate remained unchanged. PGE2 was without effect on the heart of the rabbit but was as potent as PGI2 in decreasing the CPP in the guinea pig heart. 6-oxo-PGF1 alpha (up to 3 x 10(-6) M) did not affect any of the parameters measured.
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