Four totally implantable catheter systems for arterial and venous access were implanted for a maximum of 17 months. Hematological and bacteriological tests were performed. The platelets remained normal. Occasionally observed bacteremias were successfully treated. The morphological and SEM results show that in comparison to the standard externalized catheter the totally implantable catheter system has a longer functional lifetime and less problems with sepsis while the well-being of the experimental animal is improved.
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