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Central Line Occlusion With Three-in-One Nutrition Admixtures Administered at Home

Department of Pediatrics, Loma Linda University, California, Steele Memorial Children's Research Center, University of Arizona, Tucson

Carol L. Mcelwee, RN

Loma Linda University, California

Jan M. Kramer, RN

Loma Linda University, California

Craig W. Zuppan, MD

Department of Pathology, Loma Linda University, California

John J. White, MD

Department of Surgery, Loma Linda University, California

Bruce B. Grill, MD

Department of Pediatrics, Loma Linda University, California

The use of single-container parenteral nutrition admixtures can be cost effective and can simplify home administration. Three-in-one admixtures (dextrose, amino acids, lipid emulsion, and other additives in a single bag) were in use when a marked increase in catheter occlusions was seen in the pediatric home parenteral nutrition population. Insoluble laminar deposits were found in the removed catheters. In all subsequently placed catheters, separate (SPLIT) infusions of lipid and parenteral nutrition solution were used rather than three-in-one admixtures. This was associated with an obvious decrease in catheter occlusions. Catheter life-span was retrospectively determined for 15 catheters of identical size and style that were used in eight patients who had received either infusions of three-in-one admixtures or SPLIT infusions. Life table survival analysis revealed a median survival time of 70 days for the three-in-one group (n = 8) and 290 days for the SPLIT group (n = 7). Survival distributions for the two groups were significantly different (p = .025). During the period of clustered catheter occlusion, the use of three-in-one admixtures that were stored in the home for up to 7 days was associated with a shortened catheter life-span. Occlusion or deposit development was not seen in catheters used for inpatient parenteral nutrition support when admixtures were prepared and infused within 28 hours. Catheter deposits were implicated as sanctuary sites for pathogenic bacteria in two patients. Failure to retrieve and inspect occluded catheters delayed the identification of the deposits. All occluded nutrition support catheters that cannot be cleared by standard methods should be retrieved for inspection of the lumen as part of routine surveillance. (Jouynal of Parenteral and Enteral Nutrition 18:177-181, 1994)

Journal of Parenteral and Enteral Nutrition, Vol. 18, No. 2, 177-181 (1994)
DOI: 10.1177/0148607194018002177


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