%0 Journal Article %T Controversias en torno a la medicina basada en evidencias Controversy in evidence based medicine %A Jos谷 A Fern芍ndez Sacasas %J Revista Habanera de Ciencias Mˋˋdicas %D 2011 %I Ministerio de Salud Publica %X El asentamiento del enfoque de la Medicina Basada en la Evidencia -MBE- en lo que va de siglo es un fen車meno que ha despertado innegable entusiasmo a escala nacional e internacional, patentizado por la aceptaci車n de muchos de sus preceptos, tendientes a legitimar cient赤ficamente las pautas diagn車sticas y terap谷uticas que se siguen, sobre el indiscutible principio de utilizar las mejores evidencias disponibles para afinar la conducta m谷dica y reducir el margen de incertidumbre. Al propio tiempo, han surgido cuestionamientos relativos a su legitimidad, extensi車n y justificaci車n 谷tica. Este trabajo condensa aspectos tenidos por provechosos y desventajosos de la MBE e intenta su aproximaci車n a la mirada cr赤tica (recogida de su arsenal bibliogr芍fico) del profesor J. Llorens Figueroa, insigne figura de la Medicina revolucionaria y la Cirug赤a cubanas y paradigma de su pensamiento 谷tico, a quien es dedicada esta Jornada. Medicine Based Evidence [MBE] settlements has produced in the turn of the century an enthusiastic wave of adhesion, at national e international scale, expressed in the acceptation of many of their principles directed towards legitimate in the scientific way the diagnostic and therapeutic procedures proposals intended as guidelines to be accepted. The core principle has been utilizing the best available evidence to set up the most appropriated medical behavior and reduce the margin of uncertainty in decision making area. Soon come into view increasing questioning about their legitimization, extension and ethical justification. This paper intent to present MBE aspects considered useful and useless or critical as well as afford the critical viewpoint about this issue, as appear in his available bibliography, of Professor J.A. Llorens Figueroa, distinguish and respected figure o Cuban XX century Medicine, whom this Conference is dedicated. %K Medicina basada en evidencias %K Evidence based medicine %U http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S1729-519X2011000300012