Improved outcomes with a standardized feeding protocol for very low birth weight infants
K R McCallie1, H C Lee, O Mayer
1Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University, 750 Welch Road, Palo Alto, CA 94304, USA. kmccallie@stanford.edu
Insights
A new standardized feeding protocol for very low birth weight (VLBW) infants significantly speeds up achieving full enteral feeds. This protocol also reduces major morbidities like necrotizing enterocolitis and sepsis in VLBW infants.
Area of Science:
- Neonatalogy
- Pediatric Nutrition
- Clinical Protocol Development
Background:
- Optimizing nutritional support for very low birth weight (VLBW) infants is critical for their survival and development.
- Standardized feeding protocols can improve the consistency and efficacy of enteral nutrition in vulnerable infant populations.
Purpose of the Study:
- To assess the impact of a standardized enteral feeding protocol on nutritional, clinical, and growth outcomes in very low birth weight (VLBW) infants.
- To determine if the protocol leads to earlier achievement of full enteral feeds and reduces associated morbidities.
Main Methods:
- A retrospective analysis compared VLBW infants before and after the implementation of a standardized feeding protocol.
- The protocol involved initial trophic feedings followed by a structured increase in enteral volume.
- Key outcomes included time to full enteral feeds, rates of necrotizing enterocolitis and sepsis, parenteral nutrition duration, and growth parameters.
Main Results:
- Infants in the 'After' group reached full enteral feeds (160 ml/kg/day) significantly faster (35.8 days vs. 48.5 days) compared to the 'Before' group.
- Rates of necrotizing enterocolitis and culture-proven sepsis were significantly lower in the 'After' group for both VLBW and extremely low birth weight (ELBW) infants.
- The duration of parenteral nutrition was significantly reduced, and the proportion of infants below the 3rd percentile for weight at discharge decreased.
Conclusions:
- Implementation of a standardized enteral feeding protocol for VLBW infants is associated with earlier achievement of full enteral feeds.
- The protocol effectively reduces major morbidities, including necrotizing enterocolitis and sepsis, without compromising growth.
- Standardized protocols represent a valuable strategy for improving care and outcomes in VLBW infants.
Objective:
The objective of this study was to evaluate the impact of a standardized enteral feeding protocol for very low birth weight (VLBW) infants on nutritional, clinical and growth outcomes.
Study Design:
Retrospective analysis of VLBW cohorts 9 months before and after initiation of a standardized feeding protocol consisting of 6-8 days of trophic feedings, followed by an increase of 20 ml/kg/day. The primary outcome was days to reach full enteral feeds defined as 160 ml/kg/day. Secondary outcomes included rates of necrotizing enterocolitis and culture-proven sepsis, days of parenteral nutrition and growth end points.
Result:
Data were analyzed on 147 VLBW infants who received enteral feedings, 83 before ('Before') and 64 subsequent to ('After') feeding protocol initiation. Extremely low birth weight (ELBW) infants in the After group attained enteral volumes of 120 ml/kg/day (43.9 days Before vs 32.8 days After, P=0.02) and 160 ml/kg/day (48.5 days Before vs 35.8 days After, P=0.02) significantly faster and received significantly fewer days of parenteral nutrition (46.2 days Before vs 31.3 days After, P=0.01). Necrotizing enterocolitis decreased in the After group among VLBW (15/83, 18% Before vs 2/64, 3% After, P=0.005) and ELBW infants (11/31, 35% Before vs 2/26, 8% After, P=0.01). Late-onset sepsis decreased significantly in the After group (26/83, 31% Before vs 6/64, 9% After, P=0.001). Excluding those with weight <3rd percentile at birth, the proportion with weight <3rd percentile at discharge decreased significantly after protocol initiation (35% Before vs 17% After, P=0.03).
Conclusion:
These data suggest that implementation of a standardized feeding protocol for VLBW infants results in earlier successful enteral feeding without increased rates of major morbidities.
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