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[Validation of a clinical nutritional sucking scale]
Mario Enrique Rendón-Macías1, Miguel Ángel Villasís-Keever, María del Carmen Martínez-García
1Unidad de Investigación Médica en Epidemiología Clínica, Hospital de Pediatría, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de México, México. drmariorendon@gmail.com.
Insights
A new clinical scale effectively assesses infant sucking, swallowing, and respiration, aiding in classifying feeding issues. This reliable tool helps identify nutritional challenges in infants with abnormal sucking patterns.
Area of Science:
- Pediatric Nutrition
- Clinical Assessment Tools
- Infant Feeding
Background:
- Suck dysfunction in infants can impede adequate nutrition.
- Accurate assessment of infant feeding is crucial for growth and development.
Purpose of the Study:
- To develop and validate a clinical nutritional sucking scale.
- The scale focuses on the interconnected components of sucking, swallowing, and respiration.
Main Methods:
- The scale underwent face and psychometric validation.
- 179 healthy newborns and 26 infants under 6 months, plus 86 high-risk infants, were evaluated.
- Inter-observer concordance and internal consistency were analyzed, refining the scale to 7 items.
Main Results:
- The 7-item scale demonstrated high reliability (Cronbach's alpha=0.77, inter-observer concordance=0.98).
- Sucking correlated with ingested volume (r=0.61), swallowing with oxygen saturation (r=0.24), and breathing with respiratory rate (r=0.50).
- The scale identified patterns of sucking abnormalities linked to neurological, hemodynamic, and immaturity factors.
Conclusions:
- The clinical nutritional scale is reliable and valid for classifying infant sucking problems.
- Further research is needed to explore its use in oral stimulation therapies.
Objective:
Suck dysfunction in breastfeeding infants has an impact on their appropriate nutrition. The objective was to build and validate one clinical nutritional sucking scale in the components of sucking, swallowing, and respiration.
Methods:
The scale was carried out in two phases: face-validity and psychometric validity. The first was done by expert consensus. For the second phase, 179 infants (153 healthy newborn and 26 infant less than 6 month of age) and 86 infants with high risk for abnormal sucking were evaluated with the new scale. Three observers evaluated all patients during their feeding. With an initial scale of 10 items we calculated the inter-observer concordance and the internal consistence. With an analysis of the mail components and a discrimination index we reduced to pertinent items. Each component of the scale was compared with clinical variables.
Results:
We reached a 7 items scale, which showed high reliability (Cronbach's alpha of 0.77 and inter-observer concordance of 0.98. The suck component correlated positively with the ingested volume (Ro = 0.61), the swallow component with the peripheral oxygen saturation (Ro = 0.24), and the breath component with the respiratory frequency (Ro = 0.50). With this scale, we can establish different patterns of sucking abnormalities related with history of neurological abnormalities, hemodynamic alteration and immaturity.
Conclusions:
In this study the clinical nutritional scale showed to be reliable and valid for its use in sucking problems classification. More studies are required to evaluate its application for oral stimulation therapies.
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