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  • Infusion catheters that are inserted and advanced to locate the distal tip in a central vein, typically the superior or inferior vena cava. These catheters may be inserted directly into a central vein, using surgical procedures, or percutaneously through the peripheral vasculature. Central venous infusion catheters are used when central venous pressure measurements are required, when larger volumes of solution must be rapidly administered, or to ensure rapid dilution and dispersion when high-viscosity fluids (e.g., packed cells), hyperosmolar fluids (e.g., hyperalimentation solutions), or certain drugs that are damaging to blood vessels (e.g., cytotoxins, highly acidic or alkaline drugs) must be infused.
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