Which vein is considered the vein of choice for PICC placement?

The basilic vein is considered the vein of choice for peripherally inserted central catheter (PICC) placement due to several key anatomical and physiological characteristics.

One of the primary reasons for choosing the basilic vein is its size and location. It is generally larger than other peripheral veins, providing a suitable lumen for the insertion of a PICC. This larger diameter allows for better blood flow and reduces the risks of complications associated with catheter insertions.

Additionally, the basilic vein is more centrally located compared to other veins. This central location means that when a PICC is inserted, it can more easily access the central venous system, which is essential for the purpose of the catheter, such as for long-term medication administration, fluid therapy, or parenteral nutrition. The anatomy of the basilic vein also allows it to travel upward toward the axillary region, where it ultimately joins with the subclavian vein, making it ideal for central access.

Safety is also an important consideration; the basilic vein has a relatively lower risk of thrombosis when appropriately placed, compared to other veins. Its deeper position and more consistent anatomical course reduce the chances of irritation and infiltration, which are critical factors for long-term access.

In contrast, the ce