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  • Title: Conversion of indwelling chest port catheters to tunneled central venous catheters.
    Author: Brodwater BK, Silber JS, Smith TP, Chao NJ, Suhocki PV, Ryan JM, Newman GE.
    Journal: J Vasc Interv Radiol; 2000 Oct; 11(9):1137-42. PubMed ID: 11041469.
    Abstract:
    PURPOSE: To determine the safety and efficacy of the conversion of subcutaneous chest wall infusion ports to tunneled central venous catheters. MATERIALS AND METHODS: During a period of 34 months, 67 patients were referred for conversion of indwelling subcutaneous chest wall ports to tunneled central venous catheters as part of a bone marrow transplant protocol. Six patients were deemed unacceptable for conversion and the remaining 61 underwent successful conversion. All patients had functioning surgically placed single-lumen (n = 50) or double-lumen (n = 11) chest ports, which were removed to maintain the original venous access sites for placement of a tunneled central venous catheter, incorporating the chest wall pocket for tunneling, in 46 patients (75%). A new tunnel was created in the other 15 patients. There were no immediate complications and all patients were followed until catheter removal or patient demise with the catheter in place. RESULTS: 57 of 61 (93%) catheters were used without evidence of infection for 23-164 days (mean, 57 d) after placement. Two (3%) were removed (both at 26 days) because of persistent neutropenic fever without physical signs or laboratory evidence of catheter infection, and two (3%) were removed (at 11 and 77 days) because of proven catheter infection, yielding an overall infection rate of 1.2 per 1,000 catheter days. Two catheters required exchange and two required stripping because of decreased function, resulting in an overall catheter-related complication rate of 2.4 per 1,000 catheter days. CONCLUSIONS: Indwelling subcutaneous chest wall infusion ports can be safely converted to tunneled central venous catheters, even in an immunocompromised patient population, with a low risk of complications such as infection.
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