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Evidence-based systematic review: effects of oral motor interventions on feeding and swallowing in preterm infants
Joan Arvedson1, Heather Clark, Cathy Lazarus
1Children’s Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee, USA.
Insights
Oral motor interventions (OMIs) show promise for improving feeding and swallowing in preterm infants, but more research is needed due to varied results and study limitations.
Area of Science:
- Neonatal care
- Developmental pediatrics
- Clinical nutrition
Background:
- Preterm infants often experience feeding and swallowing difficulties.
- Oral motor interventions (OMIs) are used to address these challenges.
- Pulmonary health is a critical concern in preterm infants.
Purpose of the Study:
- To systematically review evidence on OMIs for preterm infants.
- To assess effects on feeding/swallowing physiology and function.
- To evaluate impact on pulmonary health outcomes.
Main Methods:
- Systematic literature search (1960-2007).
- Inclusion of 12 studies on nonnutritive sucking (NNS) and oral stimulation.
- Appraisal of methodological quality by multiple reviewers.
Main Results:
- NNS and combined NNS/stimulation improved feeding physiology and reduced time to oral feeding.
- Prefeeding stimulation yielded mixed results.
- No studies reported on pulmonary health outcomes.
- Weight gain/growth was not consistently improved by OMIs.
Conclusions:
- Some OMIs show potential for enhancing feeding/swallowing in preterm infants.
- Methodological limitations and inconsistent findings necessitate cautious clinical application.
- Further high-quality research is required to confirm efficacy.
Purpose:
To conduct an evidence-based systematic review and provide an estimate of the effects of oral motor interventions (OMIs) on feeding/swallowing outcomes (both physiological and functional) and pulmonary health in preterm infants.
Method:
A systematic search of the literature published from 1960 to 2007 was conducted. Articles meeting the selection criteria were appraised by 2 reviewers and vetted by a 3rd for methodological quality.
Results:
Twelve studies were included and focused on 3 OMIs-nonnutritive sucking (NNS), oral/perioral stimulation, and NNS plus oral/perioral stimulation. Six studies addressed the effects of OMI on the feeding/swallowing physiology outcomes of feeding efficiency or sucking pressures. Ten studies addressed the functional feeding/swallowing outcomes of oral feeding or weight gain/growth. No studies reported data on pulmonary health. Methodological quality varied greatly. NNS alone and with oral/perioral stimulation showed strong positive findings for improvement in some feeding/swallowing physiology variables and for reducing transition time to oral feeding. Prefeeding stimulation showed equivocal results across the targeted outcomes. None of the OMIs provided consistent positive results on weight gain/growth.
Conclusions:
Although some OMIs show promise for enhancing feeding/swallowing in preterm infants, methodological limitations and variations in results across studies warrant careful consideration of their clinical use.
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