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  • Title: Clinical significance and etiology of infected catheters used for total parenteral nutrition.
    Author: Hansell DT, Park R, Jensen R, Davidson L, Henderson G, Gray GR.
    Journal: Surg Gynecol Obstet; 1986 Nov; 163(5):469-74. PubMed ID: 3095939.
    Abstract:
    Catheter related sepsis (CRS) is the most serious complication of total parenteral nutrition. Frequently, however, low rates of CRS are associated with a high incidence of infection of the catheter tip, the clinical significance of which is unclear. The relationships between CRS, infection of the catheter tip and infection at the site of catheter insertion have been investigated in 283 catheters of 257 patients receiving total parenteral nutrition. CRS occurred in only ten patients (3.5 per cent) whereas organisms were isolated from 108 catheter tips (38.2 per cent). The most common organism isolated was Staphylococcus epidermidis (66.7 per cent). Eight catheter tips were colonized from a distant septic focus. Organisms were isolated from 90 catheter tips which were removed electively from patients who displayed no clinical evidence of sepsis. There was a poor correlation between infected catheter tips and infected catheter insertion sites. Asymptomatic infection of the catheter tip appears to be of little clinical relevance, resulting in no patient morbidity. Contamination of the catheter tip during or after removal seems to account for a significant proportion of these infections.
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