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Catheter-Related Complications in Children With Cancer Receiving Parenteral Nutrition: Change in Risk Is Moderated by Catheter Type.

ABSTRACT: BACKGROUND:Although central venous catheters (CVCs) are essential to pediatric cancer care, complications are common (eg, occlusion, central line-associated bloodstream infection [CLABSI]). Parenteral nutrition (PN) and external CVCs are associated with an increased complication risk, but their interaction is unknown. METHODS:A retrospective matched cohort study of pediatric oncology patients who received PN through subcutaneous ports or external CVCs. Complication rates were compared between CVC types during PN and non-PN periods (log-negative binomial model). RESULTS:Risk of CLABSI was higher during PN for children with ports (relative risk [RR] = 39.6; 95% confidence interval, 5.0-309) or external CVCs (RR = 2.9; 95% confidence interval, 1.1-7.4). This increased risk during PN was greater for ports than for external CVCs (ratio of relative risks = 13.6). Occlusion risk was higher during PN in both groups (RR = 10.0 for ports; RR = 2.0 for external CVCs), and the increase was significantly greater in ports (ratio of relative risks, 4.9). Overall, complication rates for ports were much lower than for external CVCs during the non-PN period but similar during the PN period. CONCLUSION:Children with cancer who receive PN have increased risk of CLABSI and occlusion. The risk increase is greatest in children with ports: a 40- and 10-fold increase in infection risk and occlusion, respectively, resulting in similar complication rates during PN regardless of CVC type and negating the usual benefits of ports. Children with cancer who will require PN should have primary insertion of external CVCs where possible.

SUBMITTER: Shenep MA

PROVIDER: S-EPMC5374032 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Catheter-Related Complications in Children With Cancer Receiving Parenteral Nutrition: Change in Risk Is Moderated by Catheter Type.

Shenep Melissa A MA Tanner Mary R MR Sun Yilun Y Culley Tina T Hayden Randall T RT Flynn Patricia M PM Tang Li L Wolf Joshua J

JPEN. Journal of parenteral and enteral nutrition 20160107 6

<h4>Background</h4>Although central venous catheters (CVCs) are essential to pediatric cancer care, complications are common (eg, occlusion, central line-associated bloodstream infection [CLABSI]). Parenteral nutrition (PN) and external CVCs are associated with an increased complication risk, but their interaction is unknown.<h4>Methods</h4>A retrospective matched cohort study of pediatric oncology patients who received PN through subcutaneous ports or external CVCs. Complication rates were comp ...[more]

PMID: 26743773

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Project description:BackgroundParenteral nutrition (PN) is needed to avoid the development of malnutrition when enteral nutrition (EN) is not possible. Our main aim was to assess the current use, complications, and nutrition delivery associated with PN administration in adult critically ill patients, especially when used early and as the initial route. We also assessed the differences between patients who received only PN and those in whom EN was initiated after PN (PN-EN).MethodsA multicenter (n = 37) prospective observational study was performed. Patient clinical characteristics, outcomes, and nutrition-related variables were recorded. Statistical differences between subgroups were analyzed accordingly.ResultsFrom the entire population (n = 629), 186 (29.6%) patients received PN as initial nutrition therapy. Of these, 74 patients (11.7%) also received EN during their ICU stay (i.e., PN-EN subgroup). PN was administered early (<48 h) in the majority of patients (75.3%; n = 140) and the mean caloric (19.94 ± 6.72 Kcal/kg/day) and protein (1.01 ± 0.41 g/kg/day) delivery was similar to other contemporary studies. PN showed similar nutritional delivery when compared with the enteral route. No significant complications were associated with the use of PN. Thirty-two patients (43.3%) presented with EN-related complications in the PN-EN subgroup but received a higher mean protein delivery (0.95 ± 0.43 vs 1.17 ± 0.36 g/kg/day; p = 0.03) compared with PN alone. Once adjusted for confounding factors, patients who received PN alone had a lower mean protein intake (hazard ratio (HR): 0.29; 95% confidence interval (CI): 0.18-0.47; p = 0.001), shorter ICU stay (HR: 0.96; 95% CI: 0.91-0.99; p = 0.008), and fewer days on mechanical ventilation (HR: 0.85; 95% CI: 0.81-0.89; p = 0.001) compared with the PN-EN subgroup.ConclusionThe parenteral route may be safe, even when administered early, and may provide adequate nutrition delivery. Additional EN, when possible, may optimize protein requirements, especially in more severe patients who received initial PN and are expected to have longer ICU stays. NCT Registry: 03634943.

Project description:Manganese, an essential metal for normal growth and development, is neurotoxic on excessive exposure. Standard trace element-supplemented neonatal parenteral nutrition (PN) has a high manganese content and bypasses normal gastrointestinal absorptive control mechanisms, which places infants at risk of manganese neurotoxicity. Magnetic resonance (MR) relaxometry demonstrating short T1 relaxation time (T1R) in the basal ganglia reflects excessive brain manganese accumulation.This study tested the hypothesis that infants with greater parenteral manganese exposure have higher brain manganese accumulation, as measured by MR imaging, than do infants with lower parenteral manganese exposure.Infants exposed to parenteral manganese were enrolled in a prospective cohort study. Infants classified as having high manganese exposure received >75% of their nutrition in the preceding 4 wk as PN. All others were classified as having low exposure. Daily parenteral and enteral manganese intakes were calculated. Whole-blood manganese was measured by high-resolution inductively coupled plasma mass spectrometry. Brain MR relaxometry was interpreted by a masked reviewer. Linear regression models, adjusted for gestational age (GA) at birth, estimated the association of relaxometry indexes with total and parenteral manganese exposures.Seventy-three infants were enrolled. High-quality MR images were available for 58 infants, 39 with high and 19 with low manganese exposure. Four infants with a high exposure had blood manganese concentrations >30 ?g/L. After controlling for GA, higher parenteral and total manganese intakes were associated with a lower T1R (P = 0.01) in the globus pallidus and putamen but were not associated with whole-blood manganese (range: 3.6-56.6 ?g/L). Elevated conjugated bilirubin magnified the association between parenteral manganese and decreasing T1R.A short T1R for GA identifies infants at risk of increased brain manganese deposition associated with PN solutions commonly used to nourish critically ill infants. These trials were registered at clinicaltrials.gov as NCT00392977 and NCT00392730.

Dataset Information

Catheter-Related Complications in Children With Cancer Receiving Parenteral Nutrition: Change in Risk Is Moderated by Catheter Type.

Publications

Catheter-Related Complications in Children With Cancer Receiving Parenteral Nutrition: Change in Risk Is Moderated by Catheter Type.

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