Per jvir study: seven (7) occlusions were reported for distal valved catheters.¿the declotting procedure entailed injection of 2mg recombinant tissue plasminogen activator in 2ml normal saline solution into the occluded catheter, which was left clamped for 30 minutes.If flow was not reestablished, a second does was instilled and the catheter was clamped for 24 hours.If the catheter remained occluded, it was replaced.¿ (p 1175).¿the 4fr, 18ga 57cm groshong catheters were placed in the lower superior vena cava with the hub extending 7cm from the skin entry.The catheters were affixed near the skin entry site by suture to the catheter, and then the flange was sutured to the skin.The sites were dressed with 1-inch cotton gauze and covered with a clear sterile bandage (tegaderm).No antibiotic ointment was used.The catheters were flushed with saline solution.The protocol for line care included a saline flush after each use or every 8 hours.Dressings were changed at 48 hours and then every 7 days, or as needed.¿ (p 1174).Reference: hoffer, e.K., bloch, r.D., borsa, j.J., santulli, p., fontaine, a.B., & francoeur, n.(2001).Peripherally inserted central catheters with distal versus proximal valves: prospective randomized trial.Journal of vascular and interventional radiology, 12, 1173¿1177.Https://www.Sciencedirect.Com/science/article/pii/s1051044307616765.
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