Supplementary Material for: Continuous Intragastric Dextrose: A Therapeutic Option for Refractory Hypoglycemia in Congenital Hyperinsulinism
datasetposted on 07.08.2018 by Vajravelu M.E., Congdon M., Mitteer L., Koh J., Givler S., Shults J., De_León D.D.
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Feeding problems are frequent in infants with congenital hyperinsulinism (HI) and may be exacerbated by continuous enteral nutrition (EN) used to maintain euglycemia. Our center’s HI team uses dextrose solution given continuously via gastric tube (intrasgastric dextrose, IGD) for infants not fully responsive to conventional medical therapy or pancreatectomy. Here, we describe our practice as well as growth, feeding, and adverse events in infants with HI exposed to IGD. Methods: This was a retrospective cohort of infants with HI treated with IGD from 2009–2017. Primary outcomes were weight-for-length and body mass index Z-scores (WFL-Z and BMI-Z) in the year following IGD initiation. Secondary outcomes included EN use and adverse events. We used multivariable regression to assess covariates of interest. Results: We studied 32 subjects (13 female) with a median age at IGD initiation of 73 days (range 17–367); median follow-up was 11.2 months (range 5.0–14.2). WFL-Z did not change significantly over time (p > 0.05). EN use decreased significantly over time, i.e., at 0 months: 72% (95% CI 53–85) vs. at 12 months 39% (95% CI 22—59). No potential adverse events led to discontinuation of IGD. Conclusions: Over a median follow-up of nearly 1 year, IGD was well-tolerated, with no change in WFL-Z or BMI-Z from baseline.