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A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
Published on: September 20, 2019
Use of Lipids in Neonates Requiring Parenteral Nutrition
Girish C Deshpande1,2, Wei Cai3
1Neonatal NICU, Nepean Hospital, Kingswood, NSW, Australia.
Insights
For neonates needing parenteral nutrition, fish-oil-based lipid emulsions are superior. They reduce oxidative stress and inflammation while boosting essential fatty acids, unlike soybean or olive oil emulsions.
Area of Science:
- Neonatal nutrition
- Biochemistry
- Clinical trials
Background:
- Neonates, especially preterm infants, have low antioxidant capacity, increasing susceptibility to oxidative stress, inflammation, and related conditions like bronchopulmonary dysplasia.
- Parenteral nutrition in neonates requires specific nutrients, including conditionally essential very long-chain omega-3 polyunsaturated fatty acids (PUFAs) like docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), vital for development and with anti-inflammatory properties.
Purpose of the Study:
- To evaluate the impact of different lipid emulsions on oxidative stress, inflammation, and fatty acid levels in neonates receiving parenteral nutrition.
- To compare the efficacy of composite fish-oil-containing lipid emulsions against soybean oil and olive oil-based emulsions.
Main Methods:
- Review of clinical trials involving preterm and term neonates receiving parenteral nutrition.
- Emphasis on analyzing markers of oxidative stress, lipid peroxidation, and docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) levels.
Main Results:
- Soybean oil-based lipid emulsions may exacerbate lipid peroxidation, oxidative stress, and inflammation due to high omega-6 and low omega-3 PUFA content.
- Olive oil/soybean oil emulsions showed limited benefits in neonatal populations.
- Composite fish-oil-containing lipid emulsions demonstrated a reduction in oxidative stress and lipid peroxidation.
- These fish-oil-based emulsions also led to increased levels of DHA and EPA in neonates.
Conclusions:
- Composite fish-oil-containing lipid emulsions offer significant advantages over soybean oil or soybean/olive oil-based emulsions for neonates requiring parenteral nutrition.
- The improved oxidative stress profile and enhanced DHA/EPA levels suggest potential clinical benefits for neonatal outcomes.
Abstract:
Neonates have limited antioxidative capacity and are at increased risk of infection and inflammation-a situation that is exacerbated in preterm neonates. Together, oxidative stress and inflammation are implicated in many serious conditions affecting neonates, such as bronchopulmonary dysplasia and periventricular leukomalacia. Neonates requiring parenteral nutrition have certain nutritional requirements. For example, very long-chain ω-3 polyunsaturated fatty acids (PUFAs) such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) are regarded as conditionally essential with critical roles during early retinal and brain development, and may also have other benefits such as anti-inflammatory effects. Because of these factors, the choice of lipid emulsion used as part of parenteral nutrition support may influence clinical outcomes in neonates. There are concerns that lipid emulsions based purely on soybean oil may increase lipid peroxidation, oxidative stress, and inflammation because of their high ω-6 PUFA and low ω-3 PUFA concentrations. Composite fish-oil containing lipid emulsions may provide advantages for neonates owing to their high DHA and EPA content and high antioxidant (α-tocopherol) levels. Here, we discuss clinical trials of lipid emulsions in preterm and term neonatal populations, with a particular emphasis on markers of oxidative stress and DHA and EPA levels. Olive oil/soybean oil lipid emulsions have shown few advantages in neonates over other lipid emulsions. However, compared with either pure soybean or soybean/olive-oil based emulsions, composite fish-oil containing lipid emulsions reduce oxidative stress/lipid peroxidation and also increase DHA and EPA levels. These advantages may translate into clinical benefits for neonates requiring parenteral nutrition.
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