Comparative Study of Valved and Nonvalved Fully Implantable Catheters Inserted Via Ultrasound-Guided Puncture for Chemotherapy

Fully implantable valved catheters with Groshong (Bard Medical Division, Covington, GA) valves have a higher rate of blood reflux dysfunction compared with nonvalved catheters, but this did not interfere with the efficacy of the treatment.