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Non-Nutritive Suck Parameters Measurements Using a Custom Pressure Transducer System

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Non-nutritive sucking scoring system for preterm newborns.

F C B Neiva¹, C Leone, C R Leone

¹School of Medicine, University of São Paulo, Brazil. flaviacbn@yahoo.com.br

Acta Paediatrica (Oslo, Norway : 1992)

|July 24, 2008

Summary

A validated non-nutritive sucking (NNS) scoring system helps determine safe oral feeding for preterm newborns (PTNBs). Speech-language pathologists showed high agreement using this NNS evaluation tool.

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Area of Science:

Neonatal care
Pediatric feeding disorders
Speech-language pathology

Background:

Oral feeding is crucial for preterm newborns' (PTNBs) development and health.
Assessing oral feeding readiness in PTNBs can be challenging.
Non-nutritive sucking (NNS) is an indicator of oral feeding ability.

Purpose of the Study:

To validate a scoring system for evaluating non-nutritive sucking (NNS) in PTNBs.
To establish a reliable method for determining oral feeding readiness in PTNBs.

Main Methods:

A two-phase cohort study involving 28 speech-language pathologists and 51 PTNBs.
Phase one: Protocol development and content validation of the NNS scoring system by 22 experts.
Phase two: Evaluation of 51 PTNBs using the validated NNS scoring system by 6 speech-language pathologists.

Main Results:

The NNS scoring system criteria were selected with 80% agreement among experts.
A 50-point scoring system was proposed, minimizing false positive and negative results for oral feeding ability.
High inter-rater agreement was observed among speech-language pathologists.

Conclusions:

A validated NNS scoring system accurately indicates when PTNBs are ready for safe oral feeding.
The developed system demonstrates high reliability and agreement among speech-language pathologists.
This tool can aid clinicians in making informed decisions about initiating oral feeding in PTNBs.