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[New medical care models in the USA and their effect on the therapeutic freedom of the American physician].

Managed care and quality control have markedly changed American medicine. After describing some of the more important features of the recent activities in the American health care reform, this article describes the methods used by managed care corporations in improving pharmaceutical treatment quality and pharmaceutical treatment costs. The advantages of newer methods to improve pharmacotherapy (eg. pharmaceutical benefits management) are then balanced against their potential dangers (eg. loss of physician autonomy or manipulation of drug prescription and consumption by health care corporations).