
En la época actual, el profesional de la salud en su contacto diario con los pacientes, presenta, por una parte, lagunas del conocimiento a las cuales debe dar respuesta, y por otra, cuenta con un abrumador caudal de información, pero no dispone de la habilidad ni del tiempo para poder actualizarse. En este contexto surge la medicina basada en la evidencia (MBE), que se refiere a la actualización consciente, juiciosa y explícita de las mejores evidencias científicas disponibles en la toma de decisiones sobre el cuidado sanitario individual de los pacientes. Propone un método estructurado para resolver las dudas derivadas de la práctica clínica, y pone a disposición del médico atareado información científica válida y relevante. Requiere 4 pasos para su práctica, así como integrar la competencia clínica individual con la mejor evidencia externa disponible a partir de la investigación sistemática. Se han establecido niveles de calidad de la evidencia, relacionados con el tipo de diseño de estudio. Estos niveles van desde los ensayos clínicos aleatorizados hasta las opiniones basadas en experiencias clínicas y estudios descriptivos. Igualmente la calidad de la evidencia está relacionada con la fuerza de la recomendación de una determinada práctica o intervención en los pacientesAt present, the health professional faces some knowledge gaps in their daily contact with his/her patients; and at the same time he/she avails of a great flow of information but has neither the capability nor the time to update those pieces of knowledge. In this context, evidence-based medicine emerged, which refers to the conscious, wise and explicit updating of best scientific evidence available in decision-taking about the individual health care of the patients. Evidence-based medicine suggests a structured method to solve clinical practice-derived doubts and put valid and relevant scientific information at the disposal of the busy physician. It requires four steps to put it into practice as well as it combines the individual clinical competence with the best available external evidence on the basis of systematic research. Evidence quality levels have been set, which are related to the study design. These levels go from randomized clinical assays to clinical experience- and descriptive studies-based opinions. Likewise, the evidence quality is linked to the strong recommendation of a certain practice or intervention to be applied in the patients
DECISION MAKING, PATIENT CARE, EVIDENCE-BASED MEDICINE, ATENCIÓN AL PACIENTE, Diseases of the blood and blood-forming organs, RC633-647.5, Immunologic diseases. Allergy, RC581-607, MEDICINA BASADA EN EVIDENCIA, TOMA DE DECISIONES
DECISION MAKING, PATIENT CARE, EVIDENCE-BASED MEDICINE, ATENCIÓN AL PACIENTE, Diseases of the blood and blood-forming organs, RC633-647.5, Immunologic diseases. Allergy, RC581-607, MEDICINA BASADA EN EVIDENCIA, TOMA DE DECISIONES
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