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  • Title: Successful placement of postpyloric enteral tubes using electromagnetic guidance in critically ill children.
    Author: October TW, Hardart GE.
    Journal: Pediatr Crit Care Med; 2009 Mar; 10(2):196-200. PubMed ID: 19188874.
    Abstract:
    OBJECTIVES: Initiation of postpyloric feeding is often delayed by difficulties in placement of enteral tubes. We evaluated the effectiveness of bedside postpyloric enteral tube (PET) placement using an electromagnetic (EM)-guided device. We hypothesized that: 1) EM-guided placement of PETs would be successful more often than standard blind placement with a shorter total time to successful placement and 2) the EM-guided technique would have similar overall costs to the standard technique. DESIGN: Prospective cohort trial with serial control groups in a pediatric intensive care unit at a tertiary care children's hospital. INTERVENTIONS: We collected data on a cohort of consecutive pediatric intensive care unit patients who underwent PET placement by standard blind technique followed by a cohort who underwent EM-guided placement. The primary outcome measure was successful placement determined by abdominal radiography. MEASUREMENTS AND MAIN RESULTS: One hundred seven patients were evaluated in the trial: 57 in the standard group and 50 in the EM-guided group. Demographic data, percent intubated, and admission diagnosis were similar in both groups. Forty-one of 50 patients (82%) in the EM-guided group had successful placement compared with 22 of 57 in the standard group (38%) (p < 0.0001). The average time to successful placement was 1.7 vs. 21 hours in the EM-guided group and standard group, respectively (p < 0.0001). Children in the EM-guided group received fewer radiographs (p = 0.007) and were given more prokinetic drugs (p = 0.045). There were no episodes of pneumothorax in either group. After controlling for prokinetic drug use, EM-guided placement was more likely to result in successful placement than the standard blind technique (odds ratio 6.4, 95% confidence interval 2.5-16.3). An annual placement rate of 250 PETs by EM guidance, based on our institution's current utilization rates, is associated with a cost savings of $55.46 per PET placed. CONCLUSION: EM guidance is an efficient and cost-effective method of bedside PET placement.
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