Functional Oral Intake Scale
Functional Oral Intake Scale - Related Videos
04:28
Utilizing an Orally Dissolving Strip for Pharmacological and Toxicological Studies: A Simple and Humane Alternative to Oral Gavage for Animals
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Cited by 4 •
2016
The following protocol describes a novel method for chronic oral drug administration using an orally dissolving strip (ODS) in lieu of the more commonly used oral gavage method. We demonstrate that preclinical, oral drug delivery using the ODS method represents a safe, convenient, and humane alternative to oral gavage.
07:05
Quantifying Food Intake in Caenorhabditis elegans by Measuring Bacterial Clearance
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Cited by 4 •
2024
This protocol describes an assay to quantify Caenorhabditis elegans feeding rate based on measuring the clearance of bacteria in liquid culture.
08:05
Small-scale Nuclear Extracts for Functional Assays of Gene-expression Machineries
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Cited by 35 •
2012
A protocol for preparation of robust, small-scale HeLa nuclear extracts is described. This protocol is valuable for assays that require use of small populations of cells, such as cells treated with drugs or RNAi. The method should be applicable to a wide variety of gene expression assays and other cell types, including patient cells.
01:25
Regulation of Water Intake
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2024
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
07:18
Oral Gavage in Neonatal Mouse Pups and Functional Assessment of Gut Barrier Integrity Using Ussing Chambers
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2026
This article describes: (1) oral gavage delivery of test molecules to neonatal mice as early as DOL 6; and (2) ex vivo evaluation of colonic epithelial barrier function in biopsies from DOL 10 to weaning (DOL 20) pups by assessing paracellular and transcellular permeability with Ussing chambers.
FAQs
Considering both dimensions shows whether a person is progressing only in the quantity taken by mouth or also in diet flexibility. A patient may move away from complete tube-feeding dependence while still requiring restricted food or liquid choices. This distinction gives clinicians a more informative picture of functional eating changes during recovery and swallowing rehabilitation.
The seven-level progression allows oral intake to be described in smaller functional steps rather than as simply present or absent. Changes can be recorded as a person advances from no oral intake toward increasingly fewer restrictions and, ultimately, an unrestricted oral diet. This graded structure helps document improvement or continuing limitation over time.
A FOIS rating translates swallowing-related eating limitations into a standardized account of current feeding status. It records practical consequences, such as dependence on tube feeding or restrictions affecting oral intake, rather than relying only on a broad statement that dysphagia exists. That shared format supports clearer interpretation of functional status by the clinical team.
Clinicians can determine the patient’s current level from the documented amount and type of intake, record that level, and reassess it as rehabilitation progresses. Comparing ratings over time shows whether oral feeding is becoming less restricted or remaining limited. The resulting record helps connect swallowing rehabilitation with observable changes in everyday feeding function.
Because the scale provides a standardized description of oral intake, team members can communicate feeding status using a shared framework. The rating summarizes whether intake is absent, tube-feeding dependent, restricted, or unrestricted without requiring each clinician to reconstruct the entire dietary situation. This improves continuity when several professionals follow recovery from swallowing impairment.
FOIS is useful when illness or injury has affected swallowing and clinicians need to follow functional feeding outcomes. Recording the level during recovery shows how oral intake changes, including movement away from tube-feeding dependence or toward fewer dietary restrictions. In this context, the scale supports outcome evaluation alongside the patient’s rehabilitation progress.