Neurogastroenterology and motility · 2021
Spirulina breath test indicates differences in gastric emptying based on age, gender, and BMI.
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Orsagh-Yentis Danielle K, Bai Shasha, Bobbey Adam, Hayes Caitlin, Pusateri Antoinette, Williams Kent
Аннотация
BACKGROUND: Measurements of gastric emptying (GE) by scintigraphy in the pediatric population are based on adult standards. Due to radiation exposure, scintigraphy cannot be performed on healthy children to establish norms of GE in the pediatric population. Stable isotope breath tests (GEBTs) pose no such health risk to children. This study sought to determine the feasibility of a GEBT in children and to investigate whether GE may differ by age, gender, or body mass index (BMI).
METHODS: Fifty healthy children 6 to 18 years underwent a 13 C-Spirulina platensis GEBT. Breath samples were obtained at baseline, every 15 min for 1 h, and at 30-min intervals for 3 h thereafter. Seventeen similarly aged patients with dyspeptic symptoms concurrently underwent scintigraphy and the GEBT.
KEY RESULTS: Forty-six healthy subjects were included in the final analysis. Females had an overall slower rate of GE than did males. At nearly all timepoints, children with a BMI >85th percentile had slower GE than normally weighted children. The GE rate of children aged 6-9 reached a maximum later than did the rate of older children. Thirteen patients undergoing scintigraphy were included in the comparative analysis. The agreement between scintigraphic and GEBT half-times as measured by the concordance correlation coefficient was 0.383 (95% CI: 0.02-0.65).
CONCLUSIONS AND INFERENCES: GEBT was easily accomplished in healthy children. Differences of GE rates by age, gender, and BMI support the need for establishing pediatric standards of GE. One way to establish such standards may be through the use of a GEBT.
METHODS: Fifty healthy children 6 to 18 years underwent a 13 C-Spirulina platensis GEBT. Breath samples were obtained at baseline, every 15 min for 1 h, and at 30-min intervals for 3 h thereafter. Seventeen similarly aged patients with dyspeptic symptoms concurrently underwent scintigraphy and the GEBT.
KEY RESULTS: Forty-six healthy subjects were included in the final analysis. Females had an overall slower rate of GE than did males. At nearly all timepoints, children with a BMI >85th percentile had slower GE than normally weighted children. The GE rate of children aged 6-9 reached a maximum later than did the rate of older children. Thirteen patients undergoing scintigraphy were included in the comparative analysis. The agreement between scintigraphic and GEBT half-times as measured by the concordance correlation coefficient was 0.383 (95% CI: 0.02-0.65).
CONCLUSIONS AND INFERENCES: GEBT was easily accomplished in healthy children. Differences of GE rates by age, gender, and BMI support the need for establishing pediatric standards of GE. One way to establish such standards may be through the use of a GEBT.