Patient's age could be a moderate indicator of AT activity drop and low preoperative AT activity could be a sign of reduced anticoagulant efficacy of heparin during CPB.

En este trabajo nos planteamos determinar el concepto y las funciones de los gabinetes de Comunicación, en aras de comprender posteriormente la importancia que han adquirido estos departamentos en un sector como el de los clubes de fútbol profesionales, toda vez que el comportamiento de estas entidades se encuadra más en los modelos empresariales que en los meramente deportivos. In this paper we aimed to determine the concept and functions of communication offices, in order to further understand the importance acquired by these departments in a sector such as professional football clubs, since the behavior of these entities falls more under the communication office rules, that in the purely sporting business models.

A case of gangliocytic paraganglioma of the papilla of Vater in a 76-year-old man with a history of recurrent obstructive jaundice is presented. This is the first case of gangliocytic paraganglioma of the major papilla succesfully resected by endoscopic ampullectomy.

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Recibido: 30 de octubre de 2014 Aceptado: 16 de junio de 2015 ResumenLas relaciones entre los gabinetes de Comunicación de los clubes de fútbol y los periodistas deportivos se enmarcan en el modelo de Gieber y Johnson (1961) por el que el hecho de que ambos compartan ob jetivos comunes, donde los gabinetes de Comunicación necesitan que los medios publiquen determina das informaciones y los periodistas precisan de noticias que publicar, provoca una pérdida de independencia por parte de los periodistas, ya que necesitan a esos departamentos como fuentes. En la actualidad, los departamentos de Comunicación de los clubes de fútbol, como el del FC Barcelona, se han constituido en gatekeepers. Esto ha acentuado las históricas diferencias que existen entre los periodistas y los profesionales de la comunicación corporativa, incrementado por el control informativo de estos de partamentos lo que provoca constantes tensiones entre ambos. Palabras clave: comunicación corporativa, gabinetes de prensa, medios de comunicación, periodistas de portivos, FC Barcelona.Sports journalism conditioned by the communicative management of football clubs: the case of FC Barcelona AbstractRelations between press offices football clubs and sports journalists are part of the model Gieber and Johnson (1961) by the fact that both share common goals, where communication cabinets need the media to print certain information and news reporters need to publish results in loss of independence on the part of journalists, as they need to those departments as sources. Currently, the departments of Communica tion football clubs such as FC Barcelona, have become gatekeepers. This has accentuated the historical differences between journalists and corporate communications professionals, plus the information con trol of these departments causing ongoing tensions between the two. Keywords: corporate communications, press offices, media, sports journalists, FC Barcelona. Referencia normalizada

. (1975). Thorax, 30,[371][372][373][374][375][376][377][378][379][380][381] Myocardial ultrastructural changes during extracorporeal circulation with anoxic cardiac arrest and its prevention by coronary perfusion. Experimental study. This experimental work has been carried out with the aim of studying the ultrastructural myocardial changes caused by prolonged anoxic cardiac arrest during cardiopulmonary bypass, and their prevention by means of two different techniques of coronary perfusionsystemic-pressure continuous and low-pressure intermittent perfusion.After 30 minutes of cardiac anoxia, the ultrastructural changes of the myocardial cell were reverted to normal by coronary perfusion; when anoxic cardiac arrest was prolonged up to 60 minutes there was severe myocardial damage, with marked mitochondrial changes and dehiscence of intercalated discs, which persisted in spite of restoring coronary flow. These morphological data were in accordance with the fact that no dog which underwent anoxic cardiac arrest for 60 minutes recovered.Both intermittent and continuous coronary perfusion were effective in preventing anoxic damage; cardiac muscle cells were better preserved by low-pressure intermittent perfusion than by systemic-pressure continuous perfusion, which caused intracellular and intramitochondrial oedema.

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