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. 1990 Nov-Dec;63(6):581–591.

Catecholamine cardiomyopathy: review and analysis of pathogenetic mechanisms.

J P Jiang 1, S E Downing 1
PMCID: PMC2589396  PMID: 2092415

Abstract

Catecholamines given in high concentrations produce myocardial damage in several mammalian species. The histological changes are similar to those found in patients given large amounts of pressor agents and in those who develop pheochromocytomas. They include myofiber necrosis, myofibrillar degeneration, and mononuclear leukocytic infiltration. Cardiac function is significantly impaired. Endogenous release of catecholamines can also induce myocardial injury in rabbits infused with tyramine. Anatomic and functional abnormalities described in various models of catecholamine cardiomyopathy are summarized. The several major theories regarding pathogenesis are reviewed. Recent data suggesting that O2-derived free radical generation is involved are discussed.

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Selected References

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