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A Comparison of Measurements of a Pediatric Supplement

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Abstract

This study evaluated the flow properties of viscosity and flow rate for water and two common pediatric liquids. The flow properties of the test liquids are of interest to create a cup simulation model and “smart” prototype training cup. Two objective methods of determining flow properties were utilized: a rheometer to assess viscosity and a modified version of the International Dysphagia Diet Standardization Initiative (IDDSI) to assess flow rate. Rheometer results concluded that the pediatric supplements were less than 50 cP at all shear rates evaluated and exhibited shear-thinning properties, placing both liquids into the “thin” category. The IDDSI, which was performed according to standardized protocol and also with experimental modifications of varying syringe volumes, determined that all three test liquids had greater than 1 mL/s flow rate across all syringe types/sizes. The experimental modification of the IDDSI with 60 mL syringe volume was found to be the most consistent and applicable with discrete values obtained across all liquids tested. A flow rate factor equation can be determined with the use of a 60 mL syringe, with our laboratory setup, to create the cup simulation model. This computer-generated cup simulation model also aims to integrate engineering with clinical practice to develop a “smart” prototype training cup equipped with software to control flow rate.

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Authors and Affiliations

  1. Department of Speech Pathology and Audiology, Miami University, 301 S. Patterson Dr, 26 Bachelor Hall, Oxford, OH, 45056, USA

    Taylor N. Creech, Samantha B. Becker, Rita S. N. Kou, Olivia C. Wnek & Donna R. Scarborough

  2. Department of Mechanical and Manufacturing Engineering, Miami University, Oxford, OH, USA

    Michael Bailey-Van Kuren

  3. Department of Chemical, Paper, and Biomedical Engineering, Miami University, Oxford, OH, USA

    Jessica Sparks

Authors
  1. Taylor N. Creech
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  2. Michael Bailey-Van Kuren
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  3. Jessica Sparks
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  4. Samantha B. Becker
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  5. Rita S. N. Kou
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  6. Olivia C. Wnek
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  7. Donna R. Scarborough
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Corresponding author

Correspondence to Donna R. Scarborough.

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The authors declare that they have no conflict of interest.

Research Involving Human Participants and/or Animals

This article does not contain any studies with human participants or animals performed by any of the authors.

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The original version of this article was revised: Modifications have been made to the Figure 2 and its caption and also to the 3rd subheading under the section Methods.

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Creech, T.N., Bailey-Van Kuren, M., Sparks, J. et al. A Comparison of Measurements of a Pediatric Supplement. Dysphagia 34, 257–268 (2019). https://doi.org/10.1007/s00455-018-9931-6

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  • DOI: https://doi.org/10.1007/s00455-018-9931-6

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