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Lab Anim ; 49(3): 215-9, 2015 Jul.
Article in English | MEDLINE | ID: mdl-25732575

ABSTRACT

Pigs are used for long-term biomedical experiments requiring repeated injections, infusions and collections of blood samples. Thus, it is necessary for vascular catheters to be indwelling to avoid undue stress to the animals and the use of restraints. We propose a refined model of percutaneous insertion of long-term central venous catheters to minimize the surgical trauma and postoperative complications associated with catheter insertion. Different sizes of needles (18 Ga versus 21 Ga) for initial puncture of the veins were compared. In conventional pigs weighing less than 30 kg, catheter insertion may be facilitated by using a microintroducer set with a 21 Ga needle. In pigs weighing 50 kg, a standard 18 Ga needle may be preferable.


Subject(s)
Catheterization, Central Venous/veterinary , Catheters, Indwelling/veterinary , Central Venous Catheters/veterinary , Sus scrofa , Animals , Catheterization, Central Venous/instrumentation , Catheters, Indwelling/adverse effects , Central Venous Catheters/adverse effects , Female
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