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Endoscopic retrograde cholangiopancreatography is a procedure commonly used for the diagnosis and treatment of various pancreatic and biliary diseases. Air embolism is a rare complication, which may be associated with this procedure. This condition can be manifested as cardiopulmonary instability and/or neurological symptoms. Known risk factors include: sphincterotomy; application of air with high intramural pressure; anatomic abnormalities; and chronic hepatobiliary inflammation. It is important for the health-care staff, including anesthesiologists, interventional gastroenterologists, and critical care specialists, amongst others, to promptly recognize air embolism and to initiate therapy in a timely fashion, thus preventing potentially fatal outcomes. We submit a brief review of the literature and a case report of air embolism which occurred in the immediate postoperative stage of an endoscopic retrograde cholangiopancreatography, performed in a woman with a history of liver transplantation due to Budd Chiari syndrome and biliary stricture.

La ventilacion mecanica hace referencia al uso de dispositivos para asistir parcial o totalmente la respiracion del paciente, herramienta utilizada en los pacientes cuya dinamica ventilatoria no es adecuada.Llimitar el daño producido por las difernetes variables que componen el soporte, proporcionando una estrategia de ventilacion fisiologicamente segura, se conoce como estratgia de ventilacion protectora. El objetivo de esta estudio es determinar la adherencia al protocolo de ventilacion mecanica protectora en los pacientes mayores de 18 años que requieren ventilacion mecanica en el Hospital Militar Central. TABLA DE CONTENIDO 1. Resumen………………………………………………………………………………………4 1.1 Introducción………………………………………………………………………………….4 1.2 Metodos……………………………………………………………………………………...4 1.3 Resultados…………………………………………………………………………………..4 2. Identificación y formulación del problema…………………………………………………7 3. Objetivos e hipotesis……………………………………………………………………….10 3.1 Objetvo general……………………………………………………………………………10 3.2 Objetivos especificos……………………………………………………………………..10 3.3 Hipotesis……………………………………………………………………………………10 4. Metodología propuesta……...……………………………………………………………..11 4.1 Clasificación del estudio………………………………………………………………….11 4.2 Lugar………………………………………………………………………………………..11 4.3 Caracteristicas de la población…………………………………………………………..11 4.4 Variables……………………………………………………………………………………11 4.5 Aspectos del proceso de medición y seguimineto…………………………………….15 4.6 Muestra…………………………………………………………………………………….15 4.7 Mediciones e instrumentos.……………………………………………………………...16 5. Plan de análisis……………………………………………………………………………..17 6. Aspectos éticos……………………………………………………………………………..19 7. Resultados…………………………………………………………………………………..20 8. Discusión…………………………………………………………………………………….29 9. Conclusiones………………………………………………………………………………..33 10. Bibliografía…………………………………………………………………………………34 Mechanical ventilation refers to the use of devices to partially or fully assist the patient's breathing, a tool used in patients whose ventilatory dynamics are not adequate. Limit the damage caused by the different deferred components that make up the support, providing a physiologically ventilated strategy Sure, it is known as protective ventilation strategy. The objective of this study is to determine the adherence to the protective mechanical ventilation protocol in patients older than 18 years who require mechanical ventilation in the Central Military Hospital Especialización