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Esta obra, presentada por el médico gastroenterólogo Vinay Chandrasekhara, de la Clínica Mayo de los Estados Unidos, es la tercera edición de un tratado que ha sido referencia en la especialidad gastroenterológica. En esta edición participan cerca de ciento cincuenta especialistas de todo el mundo y el lector puede encontrar más de 400 imágenes de exámenes endoscópicos, además de 92 videos de procedimientos gastrointestinales. El libro está constituido por tres secciones claramente diferenciadas pero complementarias entre sí. La primera sección aborda principios generales de endoscopia: protocolos para la creación de una clínica endoscópica, funcionamiento de los endoscopios, sedación y preparación del paciente para las endoscopias y colonoscopias, y conceptos legales para gastroenterólogos. La segunda sección presenta información sobre terapias endoscópicas para diversos trastornos gastrointestinales: hemorragias gastrointestinales, trastornos esofágicos (p. ej., carcinoma de esófago de células escamosas y esofagitis eosinofílica), gástricos (p. ej., pólipos, neoplasias, tumores subepiteliales) y colónicos (p. ej., cáncer colorrectal, estenosis colónica). Asimismo, se explican algunas técnicas de procedimientos gastrointestinales, como la técnica de enteral, técnicas endoscópicas de pérdida de peso y técnicas de endosonografía extraintestinal. En la última sección, este tratado aborda diferentes procedimientos endoscópicos para trastornos pancreatobiliares: cálculos, fugas biliares, infecciones del tracto biliar, pancreatitis, lesiona quísticas pancreáticas. Los gastroenterólogos experimentados pero también los principiantes, así como cirujanos bariátricos, hepatólogos, nutricionistas, oncólogos, y operadores y técnicos endoscopistas podrán encontrar en este tratado una actualización pormenorizada del abordaje de las afecciones gastrointestinales.