Vigna criticizes polyurethane PICC ... on blood-contracting devices” published in Composites Part B 257 (2023)?: “Antithrombogenic property of AVEC tested on extracorporeal circulation lines ...

Because a PICC is very long and thin, it is not advisable to insert it solely for the purpose of obtaining blood for laboratory analysis. Each blood draw increases the risk of occluding the catheter.