• David C Sheridan, Guillermo A Kohn-Loncarica, Pedro Nunez, Rebekah Hudson, Amber Lin, Ravi Samatham, and Matthew L Hansen.
• From the Department of Emergency Medicine, Oregon Health and Science University, Portland, OR.
• Pediatr Emerg Care. 2023 Aug 1; 39 (8): 569573569-573.

ObjectiveDehydration is a commonly encountered problem worldwide. Current clinical assessment is limited by subjectivity and limited provider training with children. The objective of this study is to investigate a new noninvasive, point-of-care technology that measures capillary refill combined with patient factors to accurately diagnose dehydration.MethodsThis is a prospective observational study at a tertiary care children's hospital in Buenos Aires, Argentina. Patients were eligible if younger than 10 years who presented to the emergency department with vomiting and/or diarrhea whom the triage nurse deems to be potentially dehydrated. Patients had the digital capillary refill device done on presentation in addition to standard of care vital signs and weight. Patients had serial weights measured on hospital scales throughout their stay. The primary outcome was dehydration, which was calculated as a percent change in weight from admission to discharge.ResultsSeventy-six children were enrolled in the study with 56 included in the final analysis. A stepwise forward method selection chose malnutrition, temperature, and systolic blood pressure for the multivariable model. The area under the curve for the final model was fair (0.7431). To further look into the utility of such a device in the home setting where blood pressure is not available often, we reran the model without systolic blood pressure. The area under the curve for the final model was 0.7269.ConclusionsThe digital capillary refill point-of-care device combined with readily available patient-specific factors may improve the ability to detect pediatric dehydration and facilitate earlier treatment or transfer to higher levels of care.Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.

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