AMSA Advanced Nursing 2 Practice Test

Using a central venous catheter offers the significant advantage of extended duration of use for venous access. Central venous catheters are designed for long-term use in patients who require ongoing intravenous therapy, such as those undergoing chemotherapy, long-term antibiotic treatment, or needing frequent blood draws. This durability allows healthcare providers to maintain venous access without the need for repeated venipunctures, which can cause discomfort and potential complications like phlebitis. In contrast, peripheral catheters can only remain in place safely for a limited time due to risks associated with phlebitis and infiltration. As a result, they often require frequent replacements, making them less favorable for long-term treatment options. Additionally, the central line's position in a larger vein allows for better flow and dilution of medications, which can be critical for certain treatments. This feature underscores the importance of extended access for patients who require reliable and efficient venous access over weeks or months.