Management of PICC Line Complications

Understanding the Problem

Absent blood return with intact flush ability in a PICC line may be due to partial intraluminal obstruction, catheter tip malposition, or one-way valve effect, and does not necessarily indicate complete catheter failure, according to Clinical Nutrition guidelines 1, 2
The American College of Clinical Nutrition recommends assessing for partial occlusion, fibrin sheath formation, or catheter malposition, then attempting pharmacological clearance with thrombolytic agents if clinically indicated 1, 2

The American Society for Parenteral and Enteral Nutrition suggests checking for signs of infection or thrombosis, such as arm pain, swelling, redness at the insertion site, or systemic symptoms, when assessing a PICC line with absent blood return 3
The Infusion Nurses Society recommends verifying proper flushing technique, using a 10 mL or larger syringe to avoid excessive pressure that could damage the catheter 1, 2

The Society of Interventional Radiology recommends continuing to use the PICC for infusions if clinically necessary, as the catheter remains functional for medication delivery, but avoiding using the line for blood draws until blood return is restored 1, 2
The American College of Cardiology suggests considering radiographic verification of tip position if the problem persists, as malposition increases complication risk 3

The American Society of Health-System Pharmacists recommends using recombinant tissue plasminogen activator (alteplase/Cathflo Activase) or urokinase as first-line agents for pharmacological clearance of PICCs 4
The Infectious Diseases Society of America suggests using ethanol for lipid aggregate obstruction, NaOH or HCl for drug precipitates, and NaHCO₃ for contrast medium 1, 2

The Centers for Disease Control and Prevention recommends flushing with normal saline (not heparin) after each use for catheters in frequent use, and using proper flushing technique with a 10 mL or larger syringe and turbulent push-pause method 6, 1, 7
The American Society for Parenteral and Enteral Nutrition suggests avoiding blood product infusions through the PICC when possible to reduce clot formation 1, 2