Minimally Conscious State: Evolution of Concept, Diagnosis and Treatment.

The study of consciousness disorders is a scientific challenge, and clinical differentiation among the various sorts of alterations in consciousness is difficult. Persistent vegetative state was defined in 1972, but years later cases appeared in which diagnosed patients showed signs of cognitive activity, and therefore could not be considered vegetative. Minimally conscious state was defined in 2002.

Contributions of bioethics to health sector leadership.

Leadership is the perception or acceptance by members of a group of their superior's ability to inspire, influence and motivate them to meet their goals and contribute to the achievement of shared objectives. This article analyzes the characteristics of bioethics and the profile of the bioethicist in relation to the comprehensive development required of health leaders. We address this relationship in the areas of research and clinical practice; intersectoral activity; health sciences education; bioethicist's profile; and influence on organizational structures, functioning and decisionmaking, with particular reference to development and current situation of these aspects in Cuba.