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.
journal_name
Dysphagiajournal_title
Dysphagiaauthors
Creech TN,Bailey-Van Kuren M,Sparks J,Becker SB,Kou RSN,Wnek OC,Scarborough DRdoi
10.1007/s00455-018-9931-6subject
Has Abstractpub_date
2019-04-01 00:00:00pages
257-268issue
2eissn
0179-051Xissn
1432-0460pii
10.1007/s00455-018-9931-6journal_volume
34pub_type
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