Silastic catheters for home antibiotic therapy in patients with cystic fibrosis
1997
Repeated 14-day courses of intravenous antibiotic therapy for patients with cystic fibrosis (CF), who have been colonized with Pseudomonas aeruginosa (PA), is one currently accepted treatment. Conventional intravenous cannulas for antibiotic delivery often have a short line life leading to frequent venipunctures. Therefore we used silastic catheters as a peripheral venous access. Silastic catheters (15 cm, 0.6 mm diameter) were inserted 10 cm into a cubital vein in 15 patients with CF (age 5–32 years) for 20 antibiotic courses. After the antibiotic infusion the catheter was flushed with 200 U heparin (2 ml Vetren). In all patients the antibiotic therapy was delivered as a home therapy. In 15 antibiotic courses the silastic catheter could be continuously used for 14 days. One patient with methicillin resistant Staphylococcus aureus received antibiotic therapy for 54 consecutive days using the same silastic catheter. The catheter had to be removed in four courses: once because of thrombophlebitis with local inflammation, once because of burning pain during infusion and occlusion twice. In one case the patient removed his catheter because of technical problems. No other serious side effects occurred. Ten patients had previously received intravenous antibiotics at least once. The median line life of the last used conventional peripheral cannula of all patients was 4 days versus 14 days with the use of the silastic catheter (P < 0.005). All patients preferred the silastic catheter to other venous access.
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