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Digitale Medien

Internal jugular catheterisation (1992)

PINA, J. ; MORUJÃO, N. ; CASTRO-TAVARES, J.

Oxford, UK : Blackwell Publishing Ltd

Anaesthesia 47 (1992), S. 0

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ISSN: 1365-2044

Quelle: Blackwell Publishing Journal Backfiles 1879-2005

Thema: Medizin

Notizen: An internal jugular catheter, which was inserted into a patient with a traumatic haemopneumothorax, accidentally entered the pleural cavity. This was initially undetected because the two signs most frequently used to confirm correct placement, those of blood reflux and fluctuation of central venous pressure with respiration, were positive. A number of precautions are suggested which should be taken when central venous catheters are inserted in patients with thoracic trauma.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1111/j.1365-2044.1992.tb01949.x

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Digitale Medien

Modification of some actions of guanethidine by the acute administration of reserpine (1970)

Guimarães, S. ; Sottomayor, M. ; Castro-Tavares, J.

Springer

Naunyn-Schmiedeberg's archives of pharmacology 266 (1970), S. 119-130

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ISSN: 1432-1912

Schlagwort(e): Blood Pressure ; Guanethidine ; Nictitating Membrane ; Reserpine ; Spleen Strips

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Summary The pressor action of guanethidine (4 mg/kg) is enhanced by previous administration of reserpine (2 mg/kg), when the time elapsing between the injections of the two drugs is varied between 2 min and 8 hr. This enhancement was observed in the dog (anaesthetized, or spinal or nialamide-pretreated animals) and in the cat. The pressor effects of adrenaline and noradrenaline were not modified by reserpine. Guanethidine caused the nictitating membrane of the dog and the cat, as well as isolated cat spleen strips, to contract and the contractions were enhanced by reserpine; however, the contractions of the nictitating membrane induced by electrical stimulation of the postganglionic sympathetic nerve were not changed by reserpine. Similarly, the pressor effect caused by electrical stimulation of the central end of the vagus nerve was not enhanced. Several mechanisms are discussed in order to explain the observed potentiation; the results are in good agreement with the hypothesis of the existence of different noradrenaline pools.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00997646

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