Heparin versus 0.9% sodium chloride intermittent flushing for prevention of occlusion in central venous catheters in adults, Sept 2015
- Conclusion: there is no good evidence that flushing with heparin is better than saline.
Caution: There have been a number of instances where inappropriate strengths of heparin have been used as flush solutions.
*Specialist advice must always be sought before administering these drugs to unblock lines.*
What to do with a completely blocked PICC (review due May 2022)