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Coyne R, Hughes W, Purtill H, McGrath D, Dunne CP, Philip RK. Influence of an Early Human Milk Diet on the Duration of Parenteral Nutrition and Incidence of Late-Onset Sepsis in Very Low Birthweight (VLBW) Infants: A Systematic Review. Breastfeed Med 2024; 19:425-434. [PMID: 38651604 DOI: 10.1089/bfm.2023.0290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Introduction: Human milk is the preferred source of enteral nutrition for very low birthweight (VLBW) infants, and it possibly decreases dependence on parenteral nutrition (PN) and reduces incidence of late-onset sepsis (LOS). No systematic review to date has specifically addressed the value of early versus late introduction of human milk diet (HMD) on duration of PN and incidence of LOS among VLBW infants. Objective: To review the evidence for an early versus late introduction of HMD on duration of PN and incidence of LOS in VLBW infants. Method: Preferred reporting items for systematic reviews and meta-analysis-guided search of EMBASE and PubMed/Medline databases was conducted for this systematic review using phrases addressing population, intervention, comparator, and outcome framework to identify articles published over the past two decades without language restrictions. Full-text articles (both observational and randomized) that studied an early versus late initiation of HMD were included. Mean difference (MD) and relative risk (RR) with 95% confidence intervals (CIs) were calculated for PN and LOS. Quality of evidence was analyzed using UK National Service Framework and the risk-of-bias was assessed using Robvis®. Results: One randomized controlled trial (RCT) and two observational studies (two English and one Chinese) recruited 474 VLBW infants (455 analyzed). Among an intrauterine growth-restricted cohort enrolled in the RCT (n = 72), early HMD resulted in statistically significant reduction in PN dependence. However, no statistically significant difference was found in LOS. Two observational studies found similar reductions in PN duration and LOS incidence among the early HMD cohort. One observational study reported significant PN reduction; however, the incidence of LOS did not reach statistical significance in either case. Conclusion: An early HMD may reduce the duration of PN for a growth-restricted VLBW cohort. Observational studies suggesting reduced PN and LOS from early HMD endorse the need for bioactivity-focused human milk research. Variations in feeding guidelines among VLBW infants have the potential to influence neonatal outcomes significantly.
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Affiliation(s)
- Roisin Coyne
- Division of Neonatology, Department of Paediatrics, University Maternity Hospital Limerick (UMHL), Limerick, Ireland
| | - William Hughes
- Department of Sports and Health Sciences, Technological University of the Shannon: Midlands Midwest Athlone, Athlone, Ireland
| | - Helen Purtill
- Department of Mathematics and Statistics, University of Limerick, Limerick, Ireland
| | - Deirdre McGrath
- Faculty of Education and Health Sciences, University of Limerick, Limerick, Ireland
| | - Colum P Dunne
- University of Limerick School of Medicine, Limerick, Ireland
- Centre for Interventions in Infection, Inflammation, and Immunity (4i), University of Limerick, Limerick, Ireland
| | - Roy K Philip
- Division of Neonatology, Department of Paediatrics, University Maternity Hospital Limerick (UMHL), Limerick, Ireland
- University of Limerick School of Medicine, Limerick, Ireland
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Parker LA. Taking Human Milk Fortification to the Next Level. J Perinat Neonatal Nurs 2024; 38:15-17. [PMID: 38278639 DOI: 10.1097/jpn.0000000000000800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2024]
Affiliation(s)
- Leslie A Parker
- College of Nursing University of Florida Gainesville, Florida
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Dilemmas in human milk fortification. J Perinatol 2023; 43:103-107. [PMID: 36097287 DOI: 10.1038/s41372-022-01502-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/10/2022] [Accepted: 08/26/2022] [Indexed: 02/07/2023]
Abstract
Fortification of human milk is the standard of care for very low birth weight (VLBW) infants and is required to support adequate postnatal growth and development. Achieving adequate growth velocity and preventing growth faltering is critical for the developing neonatal brain and optimizing long-term neurodevelopmental outcomes. Mother's milk is the gold standard nutrition to feed preterm infants, however, it does not provide the nutrients needed to support the growth of VLBW infants. After the decision is made to use mother's milk (if available) or alternatively, donor human milk, many dilemmas exist with regards to additional treatment decisions surrounding the type of fortification to use, when to fortify, and the duration of fortification. In this article, we will review the differences in mother's milk compared to donor milk, the different types of human milk fortifiers, the optimal timing of fortification, and discuss when to discontinue human milk fortification.
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Chetta KE, Newton DA, Wagner CL, Baatz JE. Free Fatty Acid and α-Lactalbumin-Oleic Acid Complexes in Preterm Human Milk Are Cytotoxic to Fetal Intestinal Cells in vitro. Front Nutr 2022; 9:918872. [PMID: 35866080 PMCID: PMC9294382 DOI: 10.3389/fnut.2022.918872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 06/13/2022] [Indexed: 12/04/2022] Open
Abstract
Human milk, the best enteral selection for a preterm infant, becomes altered during freezing and soluble free fatty acid is generated over time. Free fatty acids may form complexes, such as the oleic acid-bound protein called HAMLET (human α-lactalbumin made lethal to tumor cells). We determined the in vitro biological activity of preterm human milk protein-oleic complexes (HAMLET-like complexes) and tested the hypothesis that laboratory-synthesized HAMLET exhibits cytotoxicity in human immature epithelial intestinal cell culture. Thirty-four milk samples from 15 mothers of hospitalized preterm infants were donated over time. Milk fractions were tested repeatedly for FHs 74 Int and HIEC-6 fetal cell cytotoxicity, using a sensitive viability assay. Protein and fatty acid identities were confirmed by Western blot, high performance liquid chromatography, and mass spectrometry. Cytotoxicity of intestinal cells exposed to milk increased respective to milk storage time (p < 0.001) and was associated with free oleic acid (p = 0.009). Synthesized HAMLET was cytotoxic in cultures of both lines. Preterm milk samples killed most cells in culture after an average 54 days in frozen storage (95% C.I. 34–72 days). After prolonged storage time, preterm milk and HAMLET showed a degree of cytotoxicity to immature intestinal cells in culture.
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Zhao Q, Shi Q, Zhu Q, Hu Y, Zhang X. A mini-review of advances in intestinal flora and necrotizing enterocolitis. Lett Appl Microbiol 2022; 75:2-9. [PMID: 35138661 DOI: 10.1111/lam.13670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 01/04/2022] [Accepted: 02/04/2022] [Indexed: 12/01/2022]
Abstract
Necrotizing enterocolitis (NEC) is a digestive disease that frequently occurs in premature infants with low gestational age and low birth weight, and seriously threatens the life of NEC patients. NEC pathogenesis is recognized to be affected by multiple factors, such as preterm birth, formula feeding, and low birth weight. As a popular object for the past decades, intestinal flora is commonly used in NEC-related studies, and intestinal disorder is considered as a critical risk factor for the occurrence and development of NEC. The colonization of abnormal microbiota into gastrointestinal micro-ecosystem can easily lead to the damage of intestinal mucosal barrier, destruction of immune function, inflammatory reaction, and further the occurrence of NEC. Although it is a low-cost and safe way to prevent and treat the NEC by early intervention of oral probiotics to regulate the intestinal homeostasis, more studies in the future are still encouraged to narrow the gap between theoretical guidance and practical application.
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Affiliation(s)
- Qi Zhao
- Department of Occupational and Environment Health, Xiangya School of Public Health, Central South University, Changsha, China
| | - Qiwei Shi
- Department of Occupational and Environment Health, Xiangya School of Public Health, Central South University, Changsha, China
| | - Qin Zhu
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Yu Hu
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Xian Zhang
- Department of Occupational and Environment Health, Xiangya School of Public Health, Central South University, Changsha, China.,Hunan Provincial Key Laboratory of Clinical Epidemiology, Central South University, Changsha, China
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Percent mother's own milk feedings for preterm neonates predicts discharge feeding outcomes. J Perinatol 2021; 41:2766-2773. [PMID: 34526659 DOI: 10.1038/s41372-021-01205-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 08/09/2021] [Accepted: 09/03/2021] [Indexed: 11/08/2022]
Abstract
INTRODUCTION No studies have determined if there is a threshold whereby use of mother's own milk (MOM) during hospitalization predicts exclusive MOM feeding at discharge. METHODS Among 113 very low birthweight neonates, the ratio of MOM to enteral feeds was measured in the first 14 days, 28 days, and overall hospital stay. The primary outcome was exclusive MOM feeding at discharge. RESULTS For every 1% increase in MOM consumption in the first 14 and 28 days, the odds of being discharge home on an exclusive MOM diet increased nearly 7-fold (OR 7.01, 95% CI: 2.09-23.50) and 17-fold (OR 17.46, 95% CI 4.67-63.31), respectively. A threshold of >50%, >83%, and >85% MOM consumption compared to overall enteral feeds in the first 14 days, 28 days, and throughout hospitalization, respectively, is recommended. CONCLUSIONS Promotion of MOM consumption in the first 2-4 weeks is of paramount importance, with negligible impact of increasing MOM consumption after 28 days.
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Wang M, Gu X, Yu J, Zhang Y, Chen S. A clinical appraisal of the different types of enteral nutrition support and humanized nursing among cerebral apoplexy ICU patients on mechanical ventilation. Am J Transl Res 2021; 13:9472-9478. [PMID: 34540068 PMCID: PMC8430089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/12/2021] [Indexed: 06/13/2023]
Abstract
OBJECTIVE To study the clinical effectiveness of different types of enteral nutrition support combined with humanized nursing in intensive care unit (ICU) stroke patients on mechanical ventilation. METHODS One hundred patients with stroke admitted to our hospital's ICU from April 2019 to July 2020 were established as the study cohort and divided into a control group and an experimental group, with 50 cases in each group. The control group was administered one-time injections of enteral nutrition combined with general nursing, and the experimental group was administered enteral nutrition pump infusions combined with humanized nursing. The nursing efficiency, the nursing satisfaction, the Barthel index (BI) scores, the National Institutes of Health Stroke Scale (NIHSS) scores, the adverse reactions, the serum albumin, serum total protein, and serum prealbumin levels, the ICU stay durations, the hospital stay durations, and the mini-nutritional assessment (MNA) scores at 1, 2, and 3 weeks were compared between the two groups. RESULTS Compared with the control group, the nursing efficiency and satisfaction levels, the BI index scores, the serum albumin, serum total protein, serum pre-albumin levels and the MNA nutritional evaluation scores at weeks 1, 2, and 3 in the experimental group were significantly higher (P < 0.05), while the NIHSS scores, the adverse reactions, the time costs in the ICU and the hospital stay durations were significantly lower, with statistical significance (P < 0.05). CONCLUSION Humanized nursing combined with enteral nutrition pumping can remarkably improve the quality of life and the malnutrition in ICU stroke patients on mechanical ventilation.
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Affiliation(s)
- Min Wang
- Department of Critical Care Medicine, Hai’an People’s HospitalHai’an, China
| | - Xiaobo Gu
- Department of Critical Care Medicine, Wuxi Xishan People’s HospitalWuxi, China
| | - Jingjing Yu
- Department of Critical Care Medicine, Hai’an People’s HospitalHai’an, China
| | - Yan Zhang
- Department of Critical Care Medicine, Hai’an People’s HospitalHai’an, China
| | - Songfang Chen
- Department of Neurosurgery, The First Affiliated Hospital of Soochow UniversitySuzhou, China
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Bushati C, Chan B, Harmeson Owen A, Woodbury A, Yang M, Fung C, Lechtenberg E, Rigby M, Baserga M. Challenges in Implementing Exclusive Human Milk Diet to Extremely Low-Birth-Weight Infants in a Level III Neonatal Intensive Care Unit. Nutr Clin Pract 2021; 36:1198-1206. [PMID: 33624353 DOI: 10.1002/ncp.10625] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
PROBLEM Extremely low-birth-weight (ELBW) infants require fortification of human milk (HM) to prevent growth failure. Bovine milk-based fortifiers (BOV-f) may be associated with feeding intolerance and necrotizing enterocolitis. Evidence suggests that an exclusive HM diet (EHMD) using HM-based fortifier (HM-f) may improve these outcomes. INTERVENTION EHMD was introduced as a quality improvement project to improve feeding tolerance in ELBW infants. METHOD Implementation included establishing EHMD feeding protocol and growth monitoring. We compared infants receiving HM with BOV-f (n = 49) with infants receiving an EHMD (n = 15). The primary outcome was a reduction of no oral intake days due to feeding intolerance. RESULTS The EHMD cohort had a more advanced GA (28 vs 26 weeks; P = .03), more males (66.7% vs 42.9%; P = .02), and higher incidence of SGA (40.0% vs 18.4%; P = .16) compared with the HM-f group. The EHMD cohort had fewer days with no oral intake (2 vs 5; P < .005), which is insignificant when adjusted for small for gestational age (SGA) (P = .26). The EHMD cohort vs. the HM-f cohort had a significant decrease in weight and length z-scores from birth to discharge (-1.09 vs -0.26 [P = .002]; -1.76 vs -0.83 [P = .02]). Inadequate weight gain persisted after adjustment for SGA. Interventions were performed to increase caloric intake and institute milk preparation changes. CONCLUSION EHMD improved feeding tolerance in our ELBW infants. Observed growth failure might be skewed by SGA prevalence. We highlight that implementation of EHMD requires close growth assessment, especially for SGA infants.
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Affiliation(s)
- Charity Bushati
- Women's and Children's Services, University of Utah Hospital, Salt Lake City, Utah, USA
| | - Belinda Chan
- Neonatology Division, University of Utah, Salt Lake City, Utah, USA
| | | | - Anne Woodbury
- Nutrition Care Services, University of Utah, Salt Lake City, Utah, USA
| | - Michelle Yang
- Neonatology Division, University of Utah, Salt Lake City, Utah, USA
| | - Camille Fung
- Neonatology Division, University of Utah, Salt Lake City, Utah, USA
| | - Ellen Lechtenberg
- Lactation Service, Primary Children's Hospital, Salt Lake City, Utah, USA
| | - Marilyn Rigby
- Neonatology APC Group, Intermountain Health Care, Salt Lake City, Utah, USA
| | - Mariana Baserga
- Neonatology Division, University of Utah, Salt Lake City, Utah, USA
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Growth outcomes of small for gestational age preterm infants before and after implementation of an exclusive human milk-based diet. J Perinatol 2021; 41:1859-1864. [PMID: 34012050 PMCID: PMC8342303 DOI: 10.1038/s41372-021-01082-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/30/2021] [Accepted: 04/28/2021] [Indexed: 01/31/2023]
Abstract
OBJECTIVE Small for gestational age (SGA) preterm infants (PT) are at greatest risk for growth failure. Our objective was to assess the impact of an exclusive human milk diet (HUM) on growth velocities and neonatal morbidities from birth to discharge in a SGA population. STUDY DESIGN Multicenter, retrospective cohort study, subgroup analysis of SGA PT comparing a cow's milk diet (CMD) with HUM diet. RESULTS At birth 420 PT were classified as SGA (197 CMD group, 223 HUM group). Demographics and anthropometric measurements were similar. HUM group PT showed improvement in length Z score at discharge (p = 0.024) and reduction in necrotizing enterocolitis (NEC) (p = 0.004). CONCLUSION SGA PT fed a HUM diet had significantly decreased incidence of NEC, surgical NEC, and late-onset sepsis. Due to concerns about growth in a HUM diet, it is reassuring SGA infants fed the HUM diet had similar growth to CMD diet with trends toward improvement.
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The Impact of Human Milk on Necrotizing Enterocolitis: A Systematic Review and Meta-Analysis. Nutrients 2020; 12:nu12051322. [PMID: 32384652 PMCID: PMC7284425 DOI: 10.3390/nu12051322] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/29/2020] [Accepted: 05/01/2020] [Indexed: 12/30/2022] Open
Abstract
Background. Premature infants receiving breastfeed have a lower incidence of NEC than those fed preterm formula. This study aimed: (1) to update a systematic review and meta-analyses to evaluate the relationship between feeding and necrotizing enterocolitis (NEC) in low weight premature infants; (2) to conduct meta-regression analyses by subgroups; (3) to describe geographical distribution of milk banks in the world. Methods. Papers included in the meta-analysis were updated as of June 2019. Relative risks were used as a measure of effect size. Random effect models were used to account for different sources of variation among studies. For milk banks, the data reviewed by the literature were integrated with the information collected from countries’ institutional sites and milk bank networks. Results. Thirty-two papers were included in meta-analysis: six randomized controlled trials (RCTs) and 26 observational studies (OS). The census has found 572 milk banks around in the world. Brazil has the most active milk banks. RCTs meta-analysis indicates a risk reduction of NEC using human milk respect to formula: Relative risk (RR) = 0.62 (0.42–0.93). Seven OS compared quantities lower than human milk or higher than the 50th quantile showing a risk reduction of NEC:RR = 0.51 (0.31–0.85); 3 OS that evaluated human milk versus mixed feeding showing that human milk has a protective role on the development of NEC:RR = 0.74 (0.63–0.91). Results of subgroups analysis show that the risk reduction is statistically significant only for studies in which premature infants are given both their own and donated breastmilk. Conclusions. The possibility of preserving human milk and promoting donations guarantees an improvement in the health of newborns.
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Lucas A, Boscardin J, Abrams SA. Preterm Infants Fed Cow's Milk-Derived Fortifier Had Adverse Outcomes Despite a Base Diet of Only Mother's Own Milk. Breastfeed Med 2020; 15:297-303. [PMID: 32239968 PMCID: PMC7232708 DOI: 10.1089/bfm.2019.0133] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Objective: An increasingly common practice is to feed preterm infants a base diet comprising only human milk (HM), usually fortified with a cow's milk (CM)-derived fortifier (CMDF). We evaluated the safety of CMDF in a diet of 100% mother's own milk (MOM) against a HM-derived fortifier (HMDF). To date, this has received little research attention. Study Design: We reanalyzed a 12-center randomized trial, originally comparing exclusive HM feeding, including MOM, donor milk (DM), and HMDF, versus a CM exposed group fed MOM, preterm formula (PTF), and CMDF1. However, for the current study, we performed a subgroup analysis (n = 114) selecting only infants receiving 100% MOM base diet plus fortification, and fed no DM or PTF. This allowed for an isolated comparison of fortifier type: CMDF versus HMDF to evaluate the primary outcomes: necrotizing enterocolitis (NEC) and a severe morbidity index of NEC surgery or death; and several secondary outcomes. Results: CMDF and HMDF groups had similar baseline characteristics. CMDF was associated with higher risk of NEC; relative risk (RR) 4.2 (p = 0.038), NEC surgery or death (RR 5.1, p = 0.014); and reduced head circumference gain (p = 0.04). Conclusions: In neonates fed, as currently recommended with a MOM-based diet, the safety of CMDF when compared to HMDF has been little researched. We conclude that available evidence points to an increase in adverse outcomes with CMDF, including NEC and severe morbidity comprising NEC surgery or death.
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Affiliation(s)
- Alan Lucas
- Institute of Child Health, University College, London, United Kingdom
| | - John Boscardin
- Department of Medicine and University of California, San Francisco, California, USA
- Department of Epidemiology & Biostatistics, University of California, San Francisco, California, USA
| | - Steven A Abrams
- Department of Pediatrics, Dell Medical School, The University of Texas, Austin, Texas, USA
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Fernandes AI, Gollins LA, Hagan JL, Hair AB. Very preterm infants who receive transitional formulas as a complement to human milk can achieve catch-up growth. J Perinatol 2019; 39:1492-1497. [PMID: 31570795 DOI: 10.1038/s41372-019-0499-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 07/13/2019] [Accepted: 08/05/2019] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To evaluate the growth of premature infants fed a postdischarge diet of human milk (HM) complemented with transitional formula (TF) as compared with those fed TF only. STUDY DESIGN In this prospective cohort study, 51 infants' diets and anthropometrics were collected at discharge and at 12-15 months corrected gestational age. RESULTS Post discharge, infants in both groups exhibited similar growth velocities and changes in z-scores. The duration of infants' HM consumption was not correlated with weight gain (r = -0.25, p = 0.26). The duration of complementary TF feeds also did not correlate with increased growth (r = -0.11, p = 0.44). Both groups achieved catch-up growth and displayed growth velocities that significantly exceeded the upper limit of the World Health Organization (WHO) weight growth standard (p < 0.001). CONCLUSIONS Preterm infants receiving HM and complementary TF post discharge had growth velocities at or exceeding weight gain projected by the WHO growth standard for term infants.
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Affiliation(s)
- Amaryllis I Fernandes
- Department of Pediatrics, Section of Neonatology, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, USA
| | - Laura A Gollins
- Clinical Nutrition Services, Texas Children's Hospital, Houston, TX, USA
| | - Joseph L Hagan
- Department of Pediatrics, Section of Neonatology, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, USA
| | - Amy B Hair
- Department of Pediatrics, Section of Neonatology, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, USA.
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Growth, Feeding Tolerance and Metabolism in Extreme Preterm Infants under an Exclusive Human Milk Diet. Nutrients 2019; 11:nu11071443. [PMID: 31248006 PMCID: PMC6683272 DOI: 10.3390/nu11071443] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 06/18/2019] [Accepted: 06/24/2019] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND For preterm infants, human milk (HM) has to be fortified to cover their enhanced nutritional requirements and establish adequate growth. Most HM fortifiers are based on bovine protein sources (BMF). An HM fortifier based on human protein sources (HMF) has become available in the last few years. The aim of this study is to investigate the impact of an HMF versus BMF on growth in extremely low birth weight (ELBW, <1000 g) infants. METHODS This was a retrospective, controlled, multicenter cohort study in infants with a birthweight below 1000 g. The HMF group received an exclusive HM diet up to 32+0 weeks of gestation and was changed to BMF afterwards. The BMF group received HM+BMF from fortifier introduction up to 37+0 weeks. RESULTS 192 extremely low birth weight (ELBW)-infants were included (HMF n = 96, BMF n = 96) in the study. After the introduction of fortification, growth velocity up to 32+0 weeks was significantly lower in the HMF group (16.5 g/kg/day) in comparison to the BMF group (18.9 g/kg/day, p = 0.009) whereas all other growth parameters did not differ from birth up to 37+0 weeks. Necrotizing enterocolitis (NEC) incidence was 10% in the HMF and 8% in the BMF group. CONCLUSION Results from this study do not support the superiority of HFM over BMF in ELBW infants.
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