Complications and survival of multilumen central venous catheters used for total parenteral nutrition

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Abstract
In a prospective study of 879 triple-lumen catheters, 219 pulmonary artery catheters, 31 double-lumen and six single-lumen catheters used for the administration of total parenteral nutrition over a 1-year period, the overall complication rate was 12-5 per cent (14-7 complications per 1000 catheter-days) and the catheter-related sepsis rate 4·4 per cent (5·2 per 1000 catheter-days). The probability of development of catheter-related sepsis did not increase with the duration of catheterization. There were no differences in the rate of complications associated with 427 catheters changed by replacement at a new site compared with 159 lines changed over a guidewire. These data support the use of multilumen central venous catheters for the administration of total parenteral nutrition. They suggest that a routine weekly change of line is unnecessary; catheters should be changed only on the development of a complication. When it is required, a catheter should be changed by replacement over a guidewire.