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Implication of a Distant Septic Focus in Parenteral Nutrition Catheter Colonization

Nutrition Support Service Team, Chang Gung Memorial Hospital, Kaohsiung, Taiwan

Suh-Fen Chuang, R.N.

Nutrition Support Service Team, Chang Gung Memorial Hospital, Kaohsiung, Taiwan

During a 4-year period, 244 surgical patients receiving total parenteral nutrition (TPN) were studied with emphasis on the relationship between TPN catheter colonization and a preexisting distant septic focus (DSF). A colonized catheter was defined as a catheter with a positive semiquantitative culture of the catheter tip ( 15 colonies on the plate). Catheter-related sepsis (CRS) was defined as a catheter with either the same organisms cultured from the catheter tip and from blood or with defervescence following catheter removal. Two hundred sixty-nine catheters were inserted for TPN for a total of 4433 patient days, with a mean length of stay of 16.5 days. Forty-two of the 269 catheters (15.6%) were colonized and more than half (57.1%) of the organisms cultured were Gram-negative bacilli or enterococci. Nineteen of the 42 colonized catheters were associated with CRS with a CRS rate of 7.1% among the 269 catheters. A DSF was present in 165 of the 244 patients or in 188 of the 269 catheters (69.9%). The colonization rate of 19.1% (36/188) in those catheters with DSF was significantly higher than that of 7.4% (6/81) in those without DSF (p < 0.05). Those patients with DSF or with a colonized catheter were associated with a high mortality (p < 0.001). Sepsis was responsible for 33 of the 48 patients (68.8%) who died. The data stress the important contribution of DSF to the colonization of TPN catheters and to the mortality of these critically ill surgical patients. (Journal of Parenteral and Enteral Nutrition 15:173-175, 1991)

Journal of Parenteral and Enteral Nutrition, Vol. 15, No. 2, 173-175 (1991)
DOI: 10.1177/0148607191015002173


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