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Nyakotey DA, Clarke AM, Cormack BE, Bloomfield FH, Harding JE. Postnatal growth and neurodevelopment at 2 years' corrected age in extremely low birthweight infants. Pediatr Res 2024; 96:436-449. [PMID: 38337041 PMCID: PMC11343699 DOI: 10.1038/s41390-024-03054-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 11/28/2023] [Accepted: 01/17/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND Faltering postnatal growth in preterm babies is associated with adverse neurodevelopment. However, which growth reference is most helpful for predicting neurodevelopment is unknown. We examined associations between faltering growth and developmental delay in extremely low birthweight (ELBW) infants. METHODS We categorized faltering growth (z-score decrease ≥0.8 for weight/length, >1 for head circumference) between birth, 4 weeks, 36 weeks' postmenstrual age and 2 years' corrected age using fetal (Fenton, UK-WHO and Olsen) and healthy preterm (INTERGROWTH-21st) references. Associations between faltering growth and developmental delay were examined using binary logistic regression and area under the receiver operating curve (AUC). RESULTS In 327 infants, Olsen charts identified the highest prevalence of faltering growth (weight 37%, length 63%, head 45%). Agreement in classification was higher amongst fetal references (kappa coefficient, ĸ = 0.46-0.94) than between INTERGROWTH-21st and fetal references (ĸ = 0.10-0.81). Faltering growth in all measures between 4-36 weeks (odds ratio, OR 2.0-4.7) compared with other time intervals (OR 1.7-2.7) were more strongly associated with developmental delay, particularly motor delay (OR 2.0-4.7). All growth references were poorly predictive of developmental delay at 2 years (AUC ≤ 0.62). CONCLUSIONS Faltering postnatal growth in ELBW infants is associated with, but is poorly predictive of, developmental delay at 2 years. IMPACT In babies born preterm, different growth references result in wide variation in categorization of faltering postnatal growth. Faltering growth in weight, length, and head circumference from 4 weeks to 36 weeks' postmenstrual age are associated with developmental delay at 2 years' corrected age, particularly motor delay. However, postnatal growth is a poor predictor of later developmental delay in extremely low birthweight infants irrespective of the growth reference used.
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Affiliation(s)
- David A Nyakotey
- Liggins Institute, University of Auckland, Auckland, 1023, New Zealand
| | - Angelica M Clarke
- Liggins Institute, University of Auckland, Auckland, 1023, New Zealand
| | - Barbara E Cormack
- Liggins Institute, University of Auckland, Auckland, 1023, New Zealand
- Starship Child Health, Auckland City Hospital, Auckland, 1023, New Zealand
| | | | - Jane E Harding
- Liggins Institute, University of Auckland, Auckland, 1023, New Zealand.
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2
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Fenton TR, Merlino Barr S, Elmrayed S, Alshaikh B. Expected and Desirable Preterm and Small Infant Growth Patterns. Adv Nutr 2024; 15:100220. [PMID: 38670164 PMCID: PMC11251411 DOI: 10.1016/j.advnut.2024.100220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/28/2024] Open
Abstract
Adequate nutrition is necessary for achieving optimal growth and neurodevelopment. Growth is a natural and expected process that happens concomitantly with rapid advancements in neurodevelopment. Serial weight, length, and head circumference growth measures are essential for monitoring development, although identifying pathological deviations from normal growth can pose challenges. Appropriate growth assessments require considerations that a range of sizes for length, head circumference, and weight are expected and appropriate. Because of genetic differences and morbidities, there is a considerable overlap between the growth of healthy infants and those with growth alterations. Parents tend to be over-concerned about children who plot low on growth charts and often need reassurance. Thus, the use of terms such as "poor" growth or growth "failure" are discouraged when growth is approximately parallel to growth chart curves even if their size is smaller than specific percentiles. No specific percentile should be set as a growth goal; individual variability should be expected. An infant's size at birth is important information that goes beyond the common use of prognostic predictions of appropriate compared with small or large for gestational age. The lower the birthweight, the lower the nutrient stores and the more important the need for nutrition support. Compared to term infants, preterm infants at term-equivalent age have a higher percentage of body fat, but this diminishes over the next months. Current research findings support expert recommendations that preterm infants should grow, after early postnatal weight loss, similar to the fetus and then term-born infants, which translates to growth approximately parallel to growth chart curves. There is no need for a trade-off between optimum cognition and optimum future health. Each high-risk infant needs individualized nutrition and growth assessments. This review aims to examine infant growth expectations and messaging for parents of preterm and term-born infants within the broader causal framework.
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Affiliation(s)
- Tanis R Fenton
- Community Health Sciences, O'Brien Institute of Public Health, Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada.
| | | | - Seham Elmrayed
- Community Health Sciences, O'Brien Institute of Public Health, Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada; Institute of Global Health and Human Ecology, American University in Cairo, Egypt
| | - Belal Alshaikh
- Community Health Sciences, O'Brien Institute of Public Health, Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada; Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, Canada
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3
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Lafeber AH, de Jong RC, Bosch M, van de Lagemaat M, van Veenendaal NR, Aarnoudse-Moens CSH, Boersma B, van Goudoever JB, de Groof F. Nutritional intake and growth until two years of age in moderate and late preterms. Pediatr Res 2024:10.1038/s41390-024-03231-2. [PMID: 38769401 DOI: 10.1038/s41390-024-03231-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 04/04/2024] [Accepted: 04/09/2024] [Indexed: 05/22/2024]
Abstract
BACKGROUND AND AIM Moderate and late preterm infants (MLPTI) (gestational age 32 0/7-36 6/7 weeks), are at risk for suboptimal growth. This study evaluated adherence to nutritional recommendations until 6 months corrected age (CA), growth until 2 years CA, and associations between nutritional intake and growth until 2 years CA. METHODS We prospectively collected nutritional intakes from 100 MLPTI during the first week of life and at 6 weeks, 3 months, and 6 months CA. Anthropometry was assessed at birth, discharge, term age, and at 6 weeks, 3 months, 6 months, 1 year, and 2 years CA. RESULTS On day 7, <40% reached nutritional recommendations. Thereafter, >80% reached protein recommendations until 6 months of life, but <60% reached energy recommendations. Weight z-scores increased from -0.44 at term-age to 0.59 at 3 months CA, but declined to -0.53 at 2 years CA on the TNO curves. No significant associations were found between nutritional intake and growth until 2 years CA. CONCLUSION No associations were demonstrated between nutritional intakes and growth until 2 years CA, despite not reaching recommended intakes. Despite high efforts to optimize growth, MLPTI find their own growth curve in the first 2 years of life. IMPACT This research is pioneering in identifying how nutrition influences growth in moderate and late preterm infants (MLPTI) up to 2 years corrected age (CA). MLPTI often do not meet the recommended protein and energy intake in their first week of life, suggesting that current guidelines might be too high. No association was demonstrated between nutritional intake and growth of MLPTI in the first 2 years of life. Initially, MLPTI show an increase in weight z-scores from term age up to 3 months CA but experience a decline in weight z-scores at 2 years CA, according to TNO growth charts.
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Affiliation(s)
- Anne H Lafeber
- Department of Pediatrics and Neonatology, North West Clinics, Alkmaar, The Netherlands
| | - Roxanne C de Jong
- Department of Pediatrics and Neonatology, North West Clinics, Alkmaar, The Netherlands
| | - Mark Bosch
- Department of Pediatrics and Neonatology, North West Clinics, Alkmaar, The Netherlands
| | - Monique van de Lagemaat
- Emma Children's Hospital Department of Pediatrics, Amsterdam UMC, University of Amsterdam, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Amsterdam Reproduction and Development (AR&D), Research Institute, Amsterdam, The Netherlands
| | - Nicole R van Veenendaal
- Emma Children's Hospital Department of Pediatrics, Amsterdam UMC, University of Amsterdam, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Department of Pediatrics and Neonatology, OLVG, Amsterdam, The Netherlands
| | - Cornelieke S H Aarnoudse-Moens
- Emma Children's Hospital Department of Pediatrics, Amsterdam UMC, University of Amsterdam, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Bart Boersma
- Department of Pediatrics and Neonatology, North West Clinics, Alkmaar, The Netherlands
| | - Johannes B van Goudoever
- Emma Children's Hospital Department of Pediatrics, Amsterdam UMC, University of Amsterdam, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Amsterdam Reproduction and Development (AR&D), Research Institute, Amsterdam, The Netherlands
| | - Femke de Groof
- Department of Pediatrics and Neonatology, North West Clinics, Alkmaar, The Netherlands.
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Morgan C, Parry S, Park J, Tan M. Neurodevelopmental Outcome in Very Preterm Infants Randomised to Receive Two Different Standardised, Concentrated Parenteral Nutrition Regimens. Nutrients 2023; 15:4741. [PMID: 38004135 PMCID: PMC10674254 DOI: 10.3390/nu15224741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/04/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
We have previously shown that increasing parenteral protein (target: 3.8 versus 2.8 g/kg/d) and energy (12% versus 10% glucose; 3.8 versus 2.8 g/kg/d) intake using a Standardised, Concentrated with Added Macronutrients Parenteral (SCAMP) nutrition regimen ameliorates early head growth failure in very-preterm infants (VPIs). We hypothesised that the SCAMP nutrition regimen would also improve neurodevelopmental outcome. The original double-blind randomised, controlled study (ISRCTN: 76597892) received ethical approval. VPIs were randomised to either start SCAMP or remain on the control regimen. The consent process included neurodevelopmental assessments (Bayley III), all of which were performed (blinded) at 2-3.5 years of corrected gestational age. Bayley III assessments were performed for 38/60 SCAMP survivors and 41/63 control survivors at means of (sd) 29.2 (3.7) and 20.0 (3.9) months, respectively. Motor, cognitive, language, and combined scores were all higher in the SCAMP intervention group, but none of the differences were statistically significant. Nutrient intake and biochemical monitoring data confirmed that protein/energy ratios were maintained in the SCAMP intervention group without increasing the incidence of hyperglycaemia, insulin treatment, or the derangement of plasma mineral/electrolyte levels. This study did not show a statistically significant improvement in neurodevelopmental outcome when administering higher parenteral protein/energy intakes despite optimal energy and mineral intakes.
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Affiliation(s)
- Colin Morgan
- Liverpool Women’s Hospital, Liverpool L8 7SS, UK
| | - Samantha Parry
- Liverpool Women’s Hospital, Liverpool L8 7SS, UK
- Alder Hey Children’s Hospital, Liverpool L14 5AB, UK
| | - Julie Park
- Alder Hey Children’s Hospital, Liverpool L14 5AB, UK
| | - Maw Tan
- Alder Hey Children’s Hospital, Liverpool L14 5AB, UK
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5
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Noninvasive Ventilation and Rapid Enteral Feeding Advances in Preterm Infants-2-Year Follow-Up of the STENA-Cohort. Nutrients 2023; 15:nu15051292. [PMID: 36904291 PMCID: PMC10005522 DOI: 10.3390/nu15051292] [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: 02/05/2023] [Revised: 02/24/2023] [Accepted: 03/04/2023] [Indexed: 03/08/2023] Open
Abstract
The importance of nutritional supply for somatic growth and neurodevelopmental outcome in very-low-birthweight infants is an established medical strategy for reducing long-term morbidities. Our cohort study on rapid enteral feeding advances using a standardized protocol (STENA) previously demonstrated a 4-day reduction of parenteral nutrition. STENA did not impede the success of noninvasive ventilations strategies but significantly less infants required mechanical ventilation. Most importantly, STENA resulted in improved somatic growth at 36 weeks of gestation. Here, we evaluated our cohort for psychomotor outcomes and somatic growth at 2 years of age. n = 218 infants of the original cohort were followed-up (74.4%). Z-scores for weight and length did not differ but the benefits of STENA for head circumference persisted until the age of 2 years (p = 0.034). Concerning the psychomotor outcome, we neither found any statistically significant differences in the mental developmental index (MDI) (p = 0.738), norin the psychomotor developmental index (PDI) (p = 0.122). In conclusion, our data adds important insights on the topic of rapid enteral feeding advances and confirms the safety of STENA with respect to somatic growth and psychomotor outcome measures.
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6
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Perrin T, Pradat P, Larcade J, Masclef-Imbert M, Pastor-Diez B, Picaud JC. Postnatal growth and body composition in extremely low birth weight infants fed with individually adjusted fortified human milk: a cohort study. Eur J Pediatr 2023; 182:1143-1154. [PMID: 36598567 PMCID: PMC10023649 DOI: 10.1007/s00431-022-04775-3] [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] [Received: 10/06/2022] [Revised: 12/19/2022] [Accepted: 12/21/2022] [Indexed: 01/05/2023]
Abstract
This cohort study aimed to evaluate the impact of an individualised nutritional care approach combining standardised fortification with adjustable fortification on postnatal growth and body composition in extremely low birth weight (ELBW) infants. We included ELBW infants admitted to a neonatal intensive care unit and still hospitalised at 35 weeks postmenstrual age (PMA). The fortification of human milk was standardised (multicomponent fortifier) between 70 mL/kg/day and full enteral feeding, and then individualised using adjustable fortification. When weight gain was below 20 g/kg/day, protein or energy was added when serum urea was below or above 3.5 mmol/L, respectively. Postnatal growth failure (PNGF) was defined as being small for gestational age at discharge and/or when the Z-score loss between birth and discharge was higher than 1. Body composition was assessed between 35 and 41 weeks of PMA. Among the 310 ELBW infants included, the gestational age of birth was 26.7 ± 1.8 weeks, and the birth weight was 800 ± 128 g. The mean Z-score difference between birth and discharge was moderately negative for the weight (-0.32), more strongly negative for length (-1.21), and almost nil for head circumference (+ 0.03). Only 27% of infants presented PNGF. At discharge, fat mass was 19.8 ± 3.6%. Multivariable analysis showed that the proportion of preterm formula received and gestational age at birth were independently associated with the percentage of fat mass. Conclusion: The individualised nutritional care approach applied herein prevented postnatal weight loss in most infants, limited length growth deficit, and supported excellent head circumference growth. What is Known: • At least half of extremely low birth weight infants are small for gestational age at discharge and postnatal growth deficit has been associated with impaired neurocognitive and renal development. • Human milk is the main milk used in neonatology and, although fortification of human milk is a standard of care, there is no consensus regarding the optimal fortification strategy to be adopted. What is New: • Using an approach combining standardised fortification followed by individualised adjustable fortification limited postnatal growth deficit for body weight and head circumference. Postnatal growth failure is not a fatality in extremely low birth weight infants. • Each additional gestational age week at birth resulted in a decrease in fat mass percentage at discharge, which was higher than in foetuses of the same gestational age, likely representing a necessary adaptation to extra-uterine life.
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Affiliation(s)
- Tania Perrin
- Service de Néonatologie, Hospices Civils de Lyon, Hôpital Universitaire de La Croix-Rousse, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, 69677, France
| | - Pierre Pradat
- Centre de Recherche Clinique, Hospices Civils de Lyon, Hôpital Universitaire de La Croix-Rousse, Lyon, 69004, France
| | - Julie Larcade
- Service de Néonatologie, Hospices Civils de Lyon, Hôpital Universitaire de La Croix-Rousse, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, 69677, France
| | - Marion Masclef-Imbert
- Service de Néonatologie, Hospices Civils de Lyon, Hôpital Universitaire de La Croix-Rousse, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, 69677, France
| | - Blandine Pastor-Diez
- Service de Néonatologie, Hospices Civils de Lyon, Hôpital Universitaire de La Croix-Rousse, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, 69677, France
| | - Jean-Charles Picaud
- Service de Néonatologie, Hospices Civils de Lyon, Hôpital Universitaire de La Croix-Rousse, 103 Grande Rue de La Croix-Rousse, 69004, Lyon, 69677, France.
- Laboratoire CarMen, INSERM, INRA, Université Claude Bernard Lyon1, Pierre-Bénite, Lyon, 69310, France.
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7
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Rossholt ME, Bratlie M, Wendel K, Aas MF, Gunnarsdottir G, Fugelseth D, Stiris T, Domellöf M, Størdal K, Moltu SJ. A standardized feeding protocol ensured recommended nutrient intakes and prevented growth faltering in preterm infants < 29 weeks gestation. Clin Nutr ESPEN 2023; 53:251-259. [PMID: 36657920 DOI: 10.1016/j.clnesp.2022.12.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 12/21/2022] [Accepted: 12/23/2022] [Indexed: 12/29/2022]
Abstract
BACKGROUND & AIMS Nutrition is a cornerstone of postnatal care to prevent compromised growth and support short- and long-term health outcomes in preterm infants. We aimed to evaluate nutritional intakes and growth among infants <29 weeks gestation after implementation of a standardized feeding protocol. METHODS This is an observational cohort secondary analysis of data from the ImNuT study (Immature, Nutrition Therapy, NCT03555019). To reduce variations in nutritional practice and ensure accommodation to current guidelines, we developed a standardized feeding protocol. Detailed information on actual nutritional intakes, growth and biochemistry was prospectively collected and assessed from birth to 36 weeks postmenstrual age (PMA). RESULTS Median (range) gestational age and birth weight were 26+6 (22+6-28+6) weeks and 798 (444-1485) g. Energy and macronutrient intakes progressively increased from birth through transition to exclusive enteral feeds. Parenteral nutrition was weaned at median (IQR) day 11 (9, 14) when nutritional requirements were met by exclusively enteral feeds. Infants exhibited a median (IQR) weight loss of 7.8% (5.7, 11.6) and regained birth weight by day 8 (7, 11). Average velocity in weight, length and head circumference from birth to 36 weeks PMA were in accordance with target growth rates; median (IQR) 15.8 (14.7, 17.7) g/kg/d, 1.1 (0.98, 1.3) cm/week and 0.82 (0.83, 0.89) cm/week. At 36 weeks PMA, only 3% of infants exhibited moderate growth faltering (decline in weigh-for-age z score >1.2 from birth), and none severe. CONCLUSIONS In infants <29 weeks gestation, the standardized feeding protocol was well tolerated. Nutrient intakes and growth were close to recommendations.
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Affiliation(s)
- Madelaine Eloranta Rossholt
- Department of Neonatal Intensive Care, Oslo University Hospital, Norway; Department of Pediatrics and Adolescence Medicine, Oslo University Hospital, Norway; Institute of Clinical Medicine, University of Oslo, Norway.
| | - Marianne Bratlie
- Department of Neonatal Intensive Care, Oslo University Hospital, Norway; Department of Pediatrics and Adolescence Medicine, Oslo University Hospital, Norway; Institute of Clinical Medicine, University of Oslo, Norway
| | - Kristina Wendel
- Department of Neonatal Intensive Care, Oslo University Hospital, Norway; Institute of Clinical Medicine, University of Oslo, Norway
| | - Marlen Fossan Aas
- Department of Neonatal Intensive Care, Oslo University Hospital, Norway; Institute of Clinical Medicine, University of Oslo, Norway
| | - Gunnthorunn Gunnarsdottir
- Institute of Clinical Medicine, University of Oslo, Norway; Department of Pediatric Neurology, Oslo University Hospital, Norway
| | - Drude Fugelseth
- Department of Neonatal Intensive Care, Oslo University Hospital, Norway; Institute of Clinical Medicine, University of Oslo, Norway
| | - Tom Stiris
- Department of Neonatal Intensive Care, Oslo University Hospital, Norway; Institute of Clinical Medicine, University of Oslo, Norway
| | - Magnus Domellöf
- Department of Clinical Sciences, Pediatrics, Umea University, Sweden
| | - Ketil Størdal
- Department of Pediatrics and Adolescence Medicine, Oslo University Hospital, Norway; Institute of Clinical Medicine, University of Oslo, Norway
| | - Sissel Jennifer Moltu
- Department of Neonatal Intensive Care, Oslo University Hospital, Norway; Institute of Clinical Medicine, University of Oslo, Norway
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Wang N, Zhang J, Wang B, Yu Z, Zhang J, Qu L, Tang B. Relationship between nutrient intakes in the transition phase and postnatal growth of preterm infants: a systematic review. Ital J Pediatr 2023; 49:13. [PMID: 36670430 PMCID: PMC9862863 DOI: 10.1186/s13052-022-01406-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 12/29/2022] [Indexed: 01/22/2023] Open
Abstract
Nutrition practices for preterm infants include phases of parenteral nutrition, gradually interrupted parenteral nutrition (transition phase), and full enteral nutrition. However, nutrition management during the transition phase is frequently overlooked. This review examined the relationship between nutrient intake during the transition phase and preterm infant growth. PubMed, Embase, Web of Science, Cochrane, Chinese National Knowledge Infrastructure Database, Wanfang Database, and Chinese Science and Technique Journals Database were searched for studies examining the relationship between nutrient intake during the transition phase and postnatal growth of preterm infants from each database's earliest inception through February 28, 2022. The quality of the studies was assessed using the Newcastle-Ottawa scale. A total of three studies conducted in the USA, Italy and China met the inclusion criteria. The growth indicators were extrauterine growth restriction (weight < 10th percentile for post-menstrual age) or inadequate weight growth velocity (growth velocity < 15 g/kg/d) at discharge or the end of the transition phase. The transition phase was divided into two periods in two studies: the early period (parenteral energy intake > 50% of total energy intake) and the late period (enteral energy intake > 50% of the total energy intake). The cumulative protein intake in the transition phase was generally lower in preterm infants with extrauterine growth restriction or inadequate weight growth velocity, especially in the early transition phase. The deficiency of energy and protein intake during the transition phase cannot be explicitly determined due to differences in growth indicators and definitions of the transition phase. However, enteral protein intake should be closely monitored in the early transition phase to ensure a better growth rate for preterm infants. To elucidate potential associations, further well-designed research will be required.
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Affiliation(s)
- Na Wang
- Department of Pediatric, the Affiliated Suqian First People's Hospital of Nanjing Medical University, Jiangsu, China
| | - Jia Zhang
- Department of Pediatric, the Affiliated Suqian First People's Hospital of Nanjing Medical University, Jiangsu, China
| | - Bo Wang
- Department of Pediatric, the Affiliated Suqian First People's Hospital of Nanjing Medical University, Jiangsu, China
| | - Zhangbin Yu
- Department of Neonatology, The Second Clinical MedicalCollege, Shenzhen People's HospitalJinan UniversityThe First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, Guangdong, China.
| | - Jun Zhang
- Department of Pediatric, the Affiliated Suqian First People's Hospital of Nanjing Medical University, Jiangsu, China
| | - Linlin Qu
- Department of Pediatric, the Affiliated Suqian First People's Hospital of Nanjing Medical University, Jiangsu, China
| | - Bin Tang
- Department of Pediatric, the Affiliated Suqian First People's Hospital of Nanjing Medical University, Jiangsu, China
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9
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Randomized Trial of Early Enhanced Parenteral Nutrition and Later Neurodevelopment in Preterm Infants. Nutrients 2022; 14:nu14193890. [PMID: 36235546 PMCID: PMC9570539 DOI: 10.3390/nu14193890] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/30/2022] [Accepted: 09/16/2022] [Indexed: 01/25/2023] Open
Abstract
Retrospective studies indicate that the parenteral provision of calories, proteins, and lipids in the first week of life is associated with improved later neurodevelopment. We aimed to determine whether infants randomized to an enhanced parenteral nutrition protocol had improved developmental outcomes at 4, 12, or 24 months corrected age (CA). In total, 90 preterm infants (<32 weeks gestational age and <1500 g) were randomized to receive enhanced parenteral nutrition (PN) or standard PN during the first week of life. The enhanced group received a higher glucose infusion rate and intralipids. Neurodevelopmental outcomes included pattern-reversal visually evoked potentials (VEP) at 4 months CA (n = 33) and the Bayley Scales of Infant Development (BSID) at 12 (n = 46) and 24 (n = 29) months CA. P100 latency was longer in the intervention group, indicating slower processing speed (145 vs. 178 ms, p = 0.01). This association did not hold in multivariable analysis adjusting for potentially confounding variables. BSID scores were not associated with enhanced PN. Higher enteral energy and protein intake regardless of randomization group were associated with faster processing speed at 4 months CA (p ≤ 0.02 for both). Enhanced early PN was not associated with improved neurodevelopment; however, first-week enteral caloric and protein intake were associated with improved speed of processing.
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10
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Brinkis R, Albertsson-Wikland K, Tamelienė R, Aldakauskienė I, Rimdeikienė I, Marmienė V, Šmigelskas K, Verkauskienė R. Impact of Early Nutrient Intake and First Year Growth on Neurodevelopment of Very Low Birth Weight Newborns. Nutrients 2022; 14:3682. [PMID: 36145055 PMCID: PMC9506449 DOI: 10.3390/nu14183682] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 08/29/2022] [Accepted: 09/03/2022] [Indexed: 11/16/2022] Open
Abstract
Optimal nutrient intake ensuring better neurodevelopment for very low birth weight (VLBW) infants remains unknown. The aim of this study was to assess the relationship between early (first 28 days) nutritional intake, first year growth, and neurodevelopment. In total, 120 VLBW infants were included into the study. A group of 95 infants completed follow-up to 12 months of corrected gestational age (CGA). Nutrient intake was assessed, and weight, length, and head circumference (HC) were measured weekly until discharge and at 3, 6, 9, and 12 months of CGA. Neurodevelopment was assessed at 12 months of CGA. Two groups-extremely preterm (EP) and very/moderately preterm (VP)-were compared. Growth before discharge was slower in the EP group than the VP group. At 12 months, there was no difference in anthropometric characteristics or neurodevelopmental scores between the groups. Higher carbohydrate intake during the first 28 days was the single significant predictor for better cognitive scores only in the EP group (βs = 0.60, p = 0.017). Other nutrients and growth before discharge were not significant for cognitive and motor scores in either group in multivariable models, whereas post-discharge HC growth was associated with both cognitive and motor scores in the VP group. Monitoring intake of all nutrients and both pre-discharge and post-discharge growth is essential for gaining knowledge about individualized nutrition for optimal neurodevelopment.
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Affiliation(s)
- Rasa Brinkis
- Department of Neonatology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania
| | - Kerstin Albertsson-Wikland
- Department of Physiology/Endocrinology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, 40530 Gothenburg, Sweden
| | - Rasa Tamelienė
- Department of Neonatology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania
| | - Ilona Aldakauskienė
- Department of Neonatology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania
| | - Inesa Rimdeikienė
- Department of Rehabilitation, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania
| | - Vitalija Marmienė
- Department of Psychiatry, Hospital of Lithuanian University of Health Sciences, 50161 Kaunas, Lithuania
| | - Kastytis Šmigelskas
- Health Research Institute, Faculty of Public Health, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania
| | - Rasa Verkauskienė
- Institute of Endocrinology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania
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11
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Hofi L, Flidel-Rimon O, Hershkovich–Shporen C, Zaharoni H, Birk R. Differences in growth patterns and catch up growth of small for gestational age preterm infants fed on fortified mother's own milk versus preterm formula. Br J Nutr 2022; 129:1-24. [PMID: 35748057 PMCID: PMC10197085 DOI: 10.1017/s0007114522000599] [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: 09/22/2021] [Revised: 02/13/2022] [Accepted: 02/18/2022] [Indexed: 11/06/2022]
Abstract
Small for gestational age (SGA) is typically defined as birthweight < 10th percentile for age. Limited data are available regarding the growth of SGA preterm infants in relation to feeding type. We aimed to study SGA preterm infants fed fortified mother's own milk (MOM) or preterm formula (PF) on growth patterns and catch-up growth at discharge and two-years corrected age (CA). Our retrospective cohort study included data from medical records and follow-up questionnaires about SGA preterm infants born at <37 weeks fed on MOM (n=40) and PF (n=40). Weight, length/height and head circumference (HC) were collected at birth, discharge and at two years CA, and Δ z-scores were calculated.The MOM group had significantly larger negative change in weight and length z-scores between birth and discharge, and smaller positive change in HC z-score (-0.47 (±0.41) v. -0.25 (±0.36), P= 0.01; -0.63 (±0.75) v. -0.27 (±0.75), P= 0.03; 0.13 (±0.67) v. 0.41 (±0.55), P= 0.04, respectively). Almost half the MOM fed infants experienced poor length growth by discharge compared to 22% of PF fed infants (P=0.03). By two years CA, both groups had similar positive change in weight and HC z-scores, but MOM fed infants had a slower increase in height z-score (0.64 (±1.30) v. 1.33 (±1.33), P=0.02), and only 40% had achieved catch-up height compared with 68% of the PF group (P=0.02).Our study indicates that fortified MOM fed SGA preterm infants may need extra nutritional support in the first two years of life to achieve height growth potential.
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Affiliation(s)
- Lilach Hofi
- Department of Nutritional Sciences, School of Health Sciences, Ariel University, Ariel, Israel
- Department of Neonatology, Kaplan Medical Center, Rehovot, Hebrew University, Jerusalem, Israel
- Department of Clinical Nutrition, Kaplan Medical Center, Rehovot, Hebrew University, Jerusalem, Israel
| | - Orna Flidel-Rimon
- Department of Neonatology, Kaplan Medical Center, Rehovot, Hebrew University, Jerusalem, Israel
| | | | - Hilla Zaharoni
- Department of Clinical Nutrition, Kaplan Medical Center, Rehovot, Hebrew University, Jerusalem, Israel
| | - Ruth Birk
- Department of Nutritional Sciences, School of Health Sciences, Ariel University, Ariel, Israel
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12
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Buck CO, Montgomery AM. Long-Term Impact of Early Nutritional Management. Clin Perinatol 2022; 49:461-474. [PMID: 35659097 DOI: 10.1016/j.clp.2022.02.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Catherine O Buck
- Department of Pediatrics, Yale School of Medicine, PO Box 208064, 333 Cedar Street, New Haven, CT 06520, USA.
| | - Angela M Montgomery
- Department of Pediatrics, Yale School of Medicine, PO Box 208064, 333 Cedar Street, New Haven, CT 06520, USA. https://twitter.com/amontgom09
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13
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Abstract
The needs to assess preterm infant growth clinically differ from the needs to summarize growth for research. Clinically, growth assessments are used to understand individuals' growth relative to their individual genetic potential, morbidity status and nutrition care. Growth quantification for research purposes is used to quantify growth of groups using meaningful metrics. Historically, neonatology has lacked consistency in the use of growth metrics, over-used irrelevant categories and over-diagnosed growth failure. Understanding the numerous preterm infant expected growth patterns can help identify concerning growth.
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14
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Ofek Shlomai N, Reichman B, Zaslavsky‐Paltiel I, Lerner‐Geva L, Eventov‐Friedman S. Neonatal morbidities and postnatal growth failure in very low birth weight, very preterm infants. Acta Paediatr 2022; 111:1536-1545. [PMID: 35490375 DOI: 10.1111/apa.16380] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/17/2022] [Accepted: 04/27/2022] [Indexed: 11/29/2022]
Abstract
AIM To assess postnatal growth in infants with and without major neonatal morbidities. METHODS This study is based on analysis of data collected by the Israel Neonatal Network on VLBW infants (≤1500 g) born in Israel from 2009 to 2018. Postnatal growth was assessed in two 5 years epochs: 2009-2013 (n = 4583) and 2014-2018 (n = 4558). Outcome was considered as severe, mild and no postnatal growth failure (PNGF). Morbidities included respiratory distress syndrome, bronchopulmonary dysplasia, necrotising enterocolitis, patent ductus arteriosus and grades 3-4 intraventricular haemorrhage. Multinomial logistic regression analyses with the generalised estimating equation approach were applied. RESULTS The study population composed 9141 infants. Of them, 2089 had at least one major morbidity and 7052 infants had none. In infants with no morbidities, 2.1% had severe PNGF, 23.7% mild PNGF and 74.2% had no PNGF, as compared to 13.6%, 43.9% and 42.5%, respectively, in infants with any major neonatal morbidity (p < 0.0001). CONCLUSION Despite enormous advances in neonatal care, postnatal growth remains a challenge in VLBW infants, particularly in infants with major neonatal morbidities. Along with efforts to decrease morbidity, a more personalised plan and follow-up may be required in infants with major morbidities, given their high risk for diminished growth and potentially, adverse neurodevelopmental outcomes.
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Affiliation(s)
- Noa Ofek Shlomai
- Department of Neonatology Hadassah Medical Center Faculty of Medicine Hebrew University of Jerusalem Jerusalem Israel
| | - Brian Reichman
- Women and Children’s Health Research Unit Gertner Institute for Epidemiology and Health Policy Research Tel Hashomer Israel
- Sackler School of Medicine Tel‐Aviv University Tel‐Aviv Israel
| | - Inna Zaslavsky‐Paltiel
- Women and Children’s Health Research Unit Gertner Institute for Epidemiology and Health Policy Research Tel Hashomer Israel
| | - Liat Lerner‐Geva
- Women and Children’s Health Research Unit Gertner Institute for Epidemiology and Health Policy Research Tel Hashomer Israel
- Sackler School of Medicine Tel‐Aviv University Tel‐Aviv Israel
| | - Smadar Eventov‐Friedman
- Department of Neonatology Hadassah Medical Center Faculty of Medicine Hebrew University of Jerusalem Jerusalem Israel
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15
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Brinkis R, Albertsson-Wikland K, Tamelienė R, Vinskaitė A, Šmigelskas K, Verkauskienė R. Nutrient Intake with Early Progressive Enteral Feeding and Growth of Very Low-Birth-Weight Newborns. Nutrients 2022; 14:1181. [PMID: 35334838 PMCID: PMC8955398 DOI: 10.3390/nu14061181] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 02/24/2022] [Accepted: 03/08/2022] [Indexed: 12/22/2022] Open
Abstract
Early nutrition is one of the most modifiable factors influencing postnatal growth. Optimal nutrient intakes for very preterm infants remain unknown, and poor postnatal growth is common in this population. The aim of this study was to assess nutrient intake during the first 4 weeks of life with early progressive enteral feeding and its impact on the in-hospital growth of very low-birth-weight (VLBW) infants. In total, 120 infants with birth weights below 1500 g and gestational ages below 35 weeks were included in the study. Nutrient intakes were assessed daily for the first 28 days. Growth was measured weekly until discharge. Median time of parenteral nutrition support was 6 days. Target enteral nutrient and energy intake were reached at day 10 of life, and remained stable until day 28, with slowly declining protein intake. Median z-scores at discharge were -0.73, -0.49, and -0.31 for weight, length, and head circumference, respectively. Extrauterine growth restriction was observed in 30.3% of the whole cohort. Protein, carbohydrates, and energy intakes correlated positively with weight gain and head circumference growth. Early progressive enteral feeding with human milk is well tolerated in VLBW infants. Target enteral nutrient intake may be reached early and improve in-hospital growth.
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Affiliation(s)
- Rasa Brinkis
- Department of Neonatology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania; (R.T.); (A.V.)
| | - Kerstin Albertsson-Wikland
- Department of Physiology/Endocrinology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, 40530 Gothenburg, Sweden;
| | - Rasa Tamelienė
- Department of Neonatology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania; (R.T.); (A.V.)
| | - Asta Vinskaitė
- Department of Neonatology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania; (R.T.); (A.V.)
| | - Kastytis Šmigelskas
- Health Research Institute, Faculty of Public Health, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania;
| | - Rasa Verkauskienė
- Institute of Endocrinology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania;
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16
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Lin L, Gamble GD, Crowther CA, Bloomfield FH, Agosti M, Atkinson SA, Biasini A, Embleton ND, Fewtrell MS, Lamy-Filho F, Fusch C, Gianni ML, Kanmaz Kutman HG, Koo W, Litmanovitz I, Morgan C, Mukhopadhyay K, Neri E, Picaud JC, Rochow N, Roggero P, Singhal A, Stroemmen K, Tan MJ, Tandoi FM, Wood CL, Zachariassen G, Harding JE. Sex-Specific Effects of Nutritional Supplements for Infants Born Early or Small: An Individual Participant Data Meta-Analysis (ESSENCE IPD-MA) I-Cognitive Function and Metabolic Risk. Nutrients 2022; 14:418. [PMID: 35276786 PMCID: PMC8838132 DOI: 10.3390/nu14030418] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/11/2022] [Accepted: 01/14/2022] [Indexed: 02/04/2023] Open
Abstract
Neonatal nutritional supplements are widely used to improve growth and development but may increase risk of later metabolic disease, and effects may differ by sex. We assessed effects of supplements on later development and metabolism. We searched databases and clinical trials registers up to April 2019. Participant-level data from randomised trials were included if the intention was to increase macronutrient intake to improve growth or development of infants born preterm or small-for-gestational-age. Co-primary outcomes were cognitive impairment and metabolic risk. Supplementation did not alter cognitive impairment in toddlers (13 trials, n = 1410; adjusted relative risk (aRR) 0.88 [95% CI 0.68, 1.13]; p = 0.31) or older ages, nor alter metabolic risk beyond 3 years (5 trials, n = 438; aRR 0.94 [0.76, 1.17]; p = 0.59). However, supplementation reduced motor impairment in toddlers (13 trials, n = 1406; aRR 0.76 [0.60, 0.97]; p = 0.03), and improved motor scores overall (13 trials, n = 1406; adjusted mean difference 1.57 [0.14, 2.99]; p = 0.03) and in girls not boys (p = 0.03 for interaction). Supplementation lowered triglyceride concentrations but did not affect other metabolic outcomes (high-density and low-density lipoproteins, cholesterol, fasting glucose, blood pressure, body mass index). Macronutrient supplementation for infants born small may not alter later cognitive function or metabolic risk, but may improve early motor function, especially for girls.
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Affiliation(s)
- Luling Lin
- Liggins Institute, University of Auckland, Auckland 1023, New Zealand; (L.L.); (G.D.G.); (C.A.C.); (F.H.B.)
| | - Greg D. Gamble
- Liggins Institute, University of Auckland, Auckland 1023, New Zealand; (L.L.); (G.D.G.); (C.A.C.); (F.H.B.)
| | - Caroline A. Crowther
- Liggins Institute, University of Auckland, Auckland 1023, New Zealand; (L.L.); (G.D.G.); (C.A.C.); (F.H.B.)
| | - Frank H. Bloomfield
- Liggins Institute, University of Auckland, Auckland 1023, New Zealand; (L.L.); (G.D.G.); (C.A.C.); (F.H.B.)
| | - Massimo Agosti
- Neonatal Intensive Care Unit, Woman and Child Department, Ospedale Del Ponte, Insubria University, 21100 Varese, Italy; (M.A.); (F.M.T.)
| | - Stephanie A. Atkinson
- Department of Pediatrics, Faculty of Health Sciences, McMaster University, Hamilton, ON L8N 3Z5, Canada; (S.A.A.); (C.F.); (N.R.)
| | - Augusto Biasini
- Donor Human Milk Bank Italian Association (AIBLUD), 20126 Milan, Italy;
| | - Nicholas D. Embleton
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne NE2 4AX, UK;
| | - Mary S. Fewtrell
- Childhood Nutrition Research Centre, UCL Great Ormond Street Institute of Child Health, London WC1N 1EH, UK;
| | - Fernando Lamy-Filho
- Departamento de Medicina, Universidade Federal do Maranhão (UFMA), São Luís 65080-805, MA, Brazil;
| | - Christoph Fusch
- Department of Pediatrics, Faculty of Health Sciences, McMaster University, Hamilton, ON L8N 3Z5, Canada; (S.A.A.); (C.F.); (N.R.)
- Department of Pediatrics, Nuremberg General Hospital, Paracelsus Medical University, 90471 Nuremberg, Germany
| | - Maria L. Gianni
- Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Via Commenda 12, 20122 Milan, Italy; (M.L.G.); (P.R.)
- Department of Clinical Sciences and Community Health, University of Milan, Via Commenda 19, 20122 Milan, Italy
| | | | - Winston Koo
- Department of Nutrition and Food Science, Wayne State University, Detroit, MI 48202, USA;
| | - Ita Litmanovitz
- Department of Neonatology, Meir Medical Center, Kfar Saba 44281, Israel;
| | - Colin Morgan
- Department of Neonatology, Liverpool Women’s Hospital, Liverpool L8 7SS, UK;
| | - Kanya Mukhopadhyay
- Department of Pediatrics, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh 160012, India;
| | - Erica Neri
- Department of Psychology, University of Bologna, 40100 Bologna, Italy;
| | - Jean-Charles Picaud
- Division of Neonatology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, 69004 Lyon, France;
- CarMen Laboratory, INSERM, INRA, Claude Bernard University Lyon 1, 69677 Pierre Benite, France
| | - Niels Rochow
- Department of Pediatrics, Faculty of Health Sciences, McMaster University, Hamilton, ON L8N 3Z5, Canada; (S.A.A.); (C.F.); (N.R.)
- Department of Pediatrics, Nuremberg General Hospital, Paracelsus Medical University, 90471 Nuremberg, Germany
| | - Paola Roggero
- Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Via Commenda 12, 20122 Milan, Italy; (M.L.G.); (P.R.)
| | - Atul Singhal
- Department of Nutrition, Institute of Child Health, London WC1N 1EH, UK;
| | - Kenneth Stroemmen
- Department of Neonatal Intensive Care, Division of Paediatric and Adolescent Medicine, Rikshospitalet, Oslo University Hospital, 0310 Oslo, Norway;
| | - Maw J. Tan
- Department of Developmental Paediatrics, Alder Hey Children’s NHS Foundation Trust, Liverpool L12 2AP, UK;
| | - Francesco M. Tandoi
- Neonatal Intensive Care Unit, Woman and Child Department, Ospedale Del Ponte, Insubria University, 21100 Varese, Italy; (M.A.); (F.M.T.)
| | - Claire L. Wood
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK;
| | - Gitte Zachariassen
- H.C. Andersen Children’s Hospital, Odense University Hospital and University of Southern Denmark, 5000 Odense, Denmark;
| | - Jane E. Harding
- Liggins Institute, University of Auckland, Auckland 1023, New Zealand; (L.L.); (G.D.G.); (C.A.C.); (F.H.B.)
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17
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Belfort MB, Ramel SE, Martin CR, Fichorova R, Kuban KCK, Heeren T, Fry RC, O’Shea TM. Systemic Inflammation in the First 2 Weeks after Birth as a Determinant of Physical Growth Outcomes in Hospitalized Infants with Extremely Low Gestational Age. J Pediatr 2022; 240:37-43.e1. [PMID: 34508750 PMCID: PMC8712377 DOI: 10.1016/j.jpeds.2021.09.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/31/2021] [Accepted: 09/03/2021] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To examine associations of systemic inflammation with growth outcomes at neonatal intensive care unit discharge or transfer among infants with extremely low gestational ages. STUDY DESIGN We studied 850 infants at born at 23-27 weeks of gestation. We defined inflammatory protein elevation as the highest quartile of C-reactive protein (CRP), Interleukin (IL)-6, tumor necrosis factor-∝, or IL-8 on postnatal days 1, 7, and 14. We compared z-scores of weight, length, and head circumference at neonatal intensive care unit discharge or transfer between infants with vs without inflammatory protein elevation, adjusting in linear regression for birth size z-score, sex, gestational age, diet, comorbidities, medications, and length of hospitalization. RESULTS The mean gestational age was 25 weeks (range, 23-27 weeks) and birth weight z-score 0.14 (range, -2.73 to 3.28). Infants with a high CRP on day 7 had lower weights at discharge or transfer (-0.17 z-score; 95% CI, -0.27 to -0.06) than infants without CRP elevation, with similar results on day 14. Infants with CRP elevation on day 14 were also shorter (-0.21 length z-scores; 95% CI, -0.38 to -0.04), and had smaller head circumferences (-0.18 z-scores; 95% CI, -0.33 to -0.04) at discharge or transfer. IL-6 elevation on day 14 was associated with lower weight (-0.12; 95% CI, -0.22 to -0.02); IL-6 elevation on day 7 was associated with shorter length (-0.27; 95% CI, -0.43 to -0.12). Tumor necrosis factor-∝ and IL-8 elevation on day 14 were associated with a lower weight at discharge or transfer. CONCLUSIONS Postnatal systemic inflammation may contribute to impaired nutrient accretion during a critical period in development in infants with extremely low gestational ages.
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Affiliation(s)
- Mandy B. Belfort
- Department of Pediatric Newborn Medicine, Brigham and Women’s Hospital, Boston, MA,Harvard Medical School, Boston, MA
| | - Sara E. Ramel
- University of Minnesota School of Medicine, Minneapolis, MN
| | - Camilia R. Martin
- Harvard Medical School, Boston, MA,Beth Israel Deaconess Medical Center, Boston, MA
| | - Raina Fichorova
- Harvard Medical School, Boston, MA,Department of Obstetrics and Gynecology, Brigham and Women’s Hospital, Boston, MA
| | | | | | - Rebecca C. Fry
- Department of Environmental Sciences and Engineering, University of North Carolina School of Medicine, Chapel Hill, NC
| | - T. Michael O’Shea
- Division of Neonatal-Perinatal Medicine, University of North Carolina School of Medicine, Chapel Hill, NC
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18
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Wang N, Zhang J, Wang B, Yu Z, Han S, Wang H, Chen R, Gu L, Gao Y, Hou W, Lu X. Transition From Parenteral to Enteral Nutrition and Postnatal Growth in Very Preterm Infants During Their First 28 Days of Life. Front Pediatr 2022; 10:775667. [PMID: 35359900 PMCID: PMC8960249 DOI: 10.3389/fped.2022.775667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 02/07/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Nutrition practices for preterm infants during the first few weeks of life can be divided into three phases: the parenteral nutrition (PN), enteral nutrition (EN), and transition (TN) phases; the TN phase includes both PN and EN. Our purpose was to analyze nutrition practices for very preterm infants during the TN phase and their association with the infants' growth during the first 28 days of life. METHODS Data from 268 very preterm infants <32 weeks old from six neonatal intensive care units were analyzed retrospectively. The TN phase was defined as enteral feedings of 30-120 ml/kg/d. Postnatal growth failure (PGF) was defined as a 28-day growth velocity <15 g/kg/d. Differences in protein and energy intake between the PGF and non-PGF groups during the TN phase were calculated, and risk factors for PGF were identified using multivariate regression analysis. RESULTS The total protein (parenteral + enteral) intake during the TN was 3.16 (2.89, 3.47) g/kg/d, which gradually decreased as the enteral feeding volume increased in the TN phase. The total energy (parenteral + enteral) intake during the TN phase was 115.72 (106.98, 122.60) kcal/kg/d. The PGF group had a lower total protein intake (parenteral + enteral) than the non-PGF group had [3.09 (2.85, 3.38) g/kg/d vs. 3.27 (3.06, 3.57) g/kg/d, P = 0.007, respectively]. No significant difference was found in energy intake during the TN phase. The variables associated with PGF included a lower total protein (parenteral + enteral) intake, a smaller day of age at the end of the TN phase, and a higher birth weight z-score. CONCLUSION Increasing the total protein intake (parenteral + enteral) during the TN could reduce the incidence of PGF.
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Affiliation(s)
- Na Wang
- Department of Pediatrics, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, China
| | - Jia Zhang
- Department of Pediatrics, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, China
| | - Bo Wang
- Department of Pediatrics, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, China
| | - Zhangbin Yu
- Department of Neonatology, Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing, China
| | - Shuping Han
- Department of Neonatology, Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing, China
| | - Huaiyan Wang
- Department of Neonatology, Changzhou Maternity and Child Health Care Hospital, Changzhou, China
| | - Rongrong Chen
- Department of Neonatology, Nantong Maternity and Child Health Care Hospital, Nantong, China
| | - Li Gu
- Department of Neonatology, Nantong Maternity and Child Health Care Hospital, Nantong, China
| | - Yan Gao
- Department of Neonatology, Lianyungang Maternity and Child Health Care Hospital, Lianyungang, China
| | - Weiwei Hou
- Department of Neonatology, Northern Jiangsu People's Hospital, Yangzhou, China
| | - Xingxing Lu
- Department of Neonatology, Northern Jiangsu People's Hospital, Yangzhou, China
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19
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蒋 仁, 申 玉, 刘 晓, 李 禄, 程 茜. Long-term effect of active parenteral nutrition support regimen in preterm infants with a gestational age of <34 weeks. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2021; 23:1221-1227. [PMID: 34911604 PMCID: PMC8690710 DOI: 10.7499/j.issn.1008-8830.2108113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/26/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVES To study the long-term effect of active parenteral nutrition support regimen in preterm infants with a gestational age of <34 weeks. METHODS According to the different doses of fat emulsion and amino acids used in the early stage, the preterm infants with a gestational age of <34 weeks, who were admitted to the hospital within 24 hours after birth from May to December 2019, were divided into an active parenteral nutrition group and a conventional parenteral nutrition group (n=50). Physical indices and the measurements of the Gesell Development Scale were collected at the age of 6 months and 13 months. RESULTS At the age of 6 months, the active parenteral nutrition group (n=46) had higher developmental quotients of gross motor, fine motor, and personal-social behavior than the conventional parenteral nutrition group (n=34) (P<0.05). At the age of 13 months, the active parenteral nutrition group (n=25) had higher developmental quotients of adaptive behavior, gross motor, and personal-social behavior than the conventional parenteral nutrition group (n=19) (P<0.05). There were no significant differences in the physical development indices such as body weight, body height, and head circumference between the two groups during follow-up (P>0.05). CONCLUSIONS For preterm infants with a gestational age of <34 weeks, an active parenteral nutrition support strategy with high doses of fat emulsion and amino acids within 24 hours after birth can improve their long-term neurodevelopment.
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Affiliation(s)
| | - 玉洁 申
- 重庆医科大学附属 儿童医院新生儿中心重庆400014
- 儿科学重庆市重点实验室重庆400014
- 国家儿童健康与疾病临床医学研究中心重庆400014
| | - 晓晨 刘
- 重庆医科大学附属 儿童医院新生儿中心重庆400014
- 儿童发育疾病研究教育部 重点实验室重庆400014
- 儿童发育重大疾病国家国际科技合作基地重庆400014
| | - 禄全 李
- 重庆医科大学附属 儿童医院新生儿中心重庆400014
- 儿科学重庆市重点实验室重庆400014
- 儿童发育疾病研究教育部 重点实验室重庆400014
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20
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McLeod G, Farrent S, Gilroy M, Page D, Oliver CJ, Richmond F, Cormack BE. Variation in Neonatal Nutrition Practice and Implications: A Survey of Australia and New Zealand Neonatal Units. Front Nutr 2021; 8:642474. [PMID: 34409058 PMCID: PMC8365759 DOI: 10.3389/fnut.2021.642474] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 06/24/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Significant global variation exists in neonatal nutrition practice, including in assigned milk composition values, donor milk usage, fortification regimens, probiotic choice and in methods used to calculate and report nutrition and growth outcomes, making it difficult to synthesize data to inform evidence-based, standardized nutritional care that has potential to improve neonatal outcomes. The Australasian Neonatal Dietitians' Network (ANDiN) conducted a survey to determine the degree to which neonatal nutritional care varies across Australia and New Zealand (A&NZ) and to highlight potential implications. Materials and Methods: A two-part electronic neonatal nutritional survey was emailed to each ANDiN member (n = 50). Part-One was designed to examine individual dietetic practice; Part-Two examined site-specific nutrition policies and practices. Descriptive statistics were used to examine the distribution of responses. Results: Survey response rate: 88%. Across 24 NICU sites, maximum fluid targets varied (150–180 mL.kg.d−1); macronutrient composition estimates for mothers' own(MOM) and donor (DM) milk varied (Energy (kcal.dL−1) MOM: 65–72; DM 69–72: Protein (g.dL−1): MOM: 1.0–1.5; DM: 0.8–1.3); pasteurized DM or unpasteurized peer-to-peer DM was not available in all units; milk fortification commenced at different rates and volumes; a range of energy values (kcal.g−1) for protein (3.8–4.0), fat (9.0–10.0), and carbohydrate (3.8–4.0) were used to calculate parenteral and enteral intakes; probiotic choice differed; and at least seven different preterm growth charts were employed to monitor growth. Discussion: Our survey identifies variation in preterm nutrition practice across A&NZ of sufficient magnitude to impact nutrition interventions and neonatal outcomes. This presents an opportunity to use the unique skillset of neonatal dietitians to standardize practice, reduce uncertainty of neonatal care and improve the quality of neonatal research.
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Affiliation(s)
- Gemma McLeod
- Neonatology, Child and Adolescent Health Service, Nedlands, WA, Australia.,Faculty of Health and Medical Sciences, University of Western Australia, Perth, WA, Australia.,Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | | | - Melissa Gilroy
- Mater Health Services, Brisbane, QLD, Australia.,Mater Research Institute, University of Queensland, Brisbane, QLD, Australia
| | - Denise Page
- Mater Health Services, Brisbane, QLD, Australia.,Mater Research Institute, University of Queensland, Brisbane, QLD, Australia
| | | | | | - Barbara E Cormack
- Starship Children's Health, Auckland, New Zealand.,Liggins Institute, University of Auckland, Auckland, New Zealand
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21
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A holistic approach to infant growth assessment considers clinical, social and genetic factors rather than an assessment of weight at a set timepoint. J Perinatol 2021; 41:650-651. [PMID: 32792632 DOI: 10.1038/s41372-020-00785-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/01/2020] [Accepted: 08/03/2020] [Indexed: 11/08/2022]
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22
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Abdul Hamid H, Szatkowski L, Budge H, Cheah FC, Ojha S. Nutritional practices and growth of preterm infants in two neonatal units in the UK and Malaysia: a prospective exploratory study. BMJ Paediatr Open 2021; 5:e001153. [PMID: 34514178 PMCID: PMC8386205 DOI: 10.1136/bmjpo-2021-001153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 08/12/2021] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVE To explore differences in nutritional practices and growth outcomes among preterm infants in neonatal units in Malaysia and the UK. DESIGN Prospective exploratory study of infants born at <34 weeks gestational age (GA). SETTING Two neonatal units, one in Malaysia and one in the UK (May 2019 to March 2020). METHODS Data collected from birth until discharge and compared between units. RESULTS From 100 infants included, median GA (IQR) was 31 (30-33) and mean±SD birth weight was 1549±444 g. There were more small-for-gestational age infants in Malaysian unit: 12/50 (24%) vs UK: 3/50 (6%), p=0.012 and more morbidities. More Malaysian infants received breast milk (Malaysia: 49 (98%) vs UK: 38 (76%), p=0.001), fortified breast milk (Malaysia: 43 (86%) vs UK: 13 (26%), p<0.001) and exclusive breast milk at discharge (Malaysia: 26 (52%) vs UK: 16 (32%), p=0.043). There was higher parenteral nutrition use among Malaysian infants (40/50 (80%)) vs UK (19/50 (38%)) (p<0.001) with higher protein intake (mean±SD Malaysia: 3.0±0.5 vs UK: 2.7±0.6 g/kg/d, p=0.004) in weeks 1-4 and smaller cumulative protein deficits (mean±SD Malaysia: 11.4±6.1 vs UK: 15.4±8.0 g/kg, p=0.006). There were no significant differences in short-term growth between units and more than half of the infants in both units had ≥1.28 changes in weight-for-age Z-score at discharge (p=0.841). CONCLUSIONS An exploratory comparison of practices showed differences in patient characteristics and nutritional practices which impacted growth. Future studies with larger sample sizes and detailed analysis of maternal characteristics and infants' outcomes are needed for improving care of preterm infants in all settings.
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Affiliation(s)
- Haslina Abdul Hamid
- Population and Lifespan Sciences, School of Medicine, University of Nottingham, Nottingham, UK.,Dietetic Programme, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Lisa Szatkowski
- Population and Lifespan Sciences, School of Medicine, University of Nottingham, Nottingham, UK
| | - Helen Budge
- Population and Lifespan Sciences, School of Medicine, University of Nottingham, Nottingham, UK
| | - Fook-Choe Cheah
- Department of Paediatrics, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Shalini Ojha
- Population and Lifespan Sciences, School of Medicine, University of Nottingham, Nottingham, UK.,Neonatal Unit, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK
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23
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Do preterm girls need different nutrition to preterm boys? Sex-specific nutrition for the preterm infant. Pediatr Res 2021; 89:313-317. [PMID: 33184497 DOI: 10.1038/s41390-020-01252-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 10/08/2020] [Accepted: 10/13/2020] [Indexed: 11/09/2022]
Abstract
Boys born preterm are recognised to be at higher risk of adverse outcomes than girls born preterm. Despite advances in neonatal intensive care and overall improvements in neonatal morbidity and mortality, boys born preterm continue to show worse short- and long-term outcomes than girls. Preterm birth presents a nutritional crisis during a critical developmental period, with postnatal undernutrition and growth-faltering common complications of neonatal intensive care. Furthermore, this preterm period corresponds to that of rapid in utero brain growth and development, and the developmental window relating to foetal programming of adult non-communicable diseases, the prevalence of which are associated both with preterm birth and sex. There is increasing evidence to show that from foetal life, boys and girls have different responses to maternal nutrition, that maternal breastmilk composition differs based on foetal sex and that early neonatal nutritional interventions affect boys and girls differently. This narrative review examines the evidence that sex is an important moderator of the outcomes of preterm nutrition intervention, and describes what further knowledge is required before providing nutrition intervention for infants born preterm based on their sex. IMPACT: This review examines the increasing evidence that boys and girls respond differently to nutritional stressors before birth, that maternal breastmilk composition differs by foetal sex and that nutritional interventions have different responses based on infant sex. Boys and girls born preterm are given standard nutritional support which does not take infant sex into account, and few studies of neonatal nutrition consider infant sex as a potential mediator of outcomes. By optimising early nutrition for boys and girls born preterm, we may improve outcomes for both sexes. We propose future studies of neonatal nutritional interventions should consider infant sex.
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24
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Oliphant K, Ali M, D’Souza M, Hughes PD, Sulakhe D, Wang AZ, Xie B, Yeasin R, Msall ME, Andrews B, Claud EC. Bacteroidota and Lachnospiraceae integration into the gut microbiome at key time points in early life are linked to infant neurodevelopment. Gut Microbes 2021; 13:1997560. [PMID: 34839801 PMCID: PMC8632288 DOI: 10.1080/19490976.2021.1997560] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/28/2021] [Accepted: 10/19/2021] [Indexed: 02/07/2023] Open
Abstract
The early life microbiome plays critical roles in host development, shaping long-term outcomes including brain functioning. It is not known which initial infant colonizers elicit optimal neurodevelopment; thus, this study investigated the association between gut microbiome succession from the first week of life and head circumference growth (HCG), the earliest validated marker for neurodevelopment. Fecal samples were collected weekly from a preterm infant cohort during their neonatal intensive care unit stay and subjected to 16S rRNA gene sequencing for evaluating gut microbiome composition, in conjunction with clinical data and head circumference measurements. Preterm infants with suboptimal HCG trajectories had a depletion in the abundance/prevalence of Bacteroidota and Lachnospiraceae, independent of morbidity and caloric restriction. The severity of gut microbiome depletion matched the timing of significant HCG pattern separation between study groups at 30-week postmenstrual age demonstrating a potential mediating relationship resultant from clinical practices. Consideration of the clinical variables indicated that optimal infant microbiome succession is primarily driven by dispersal limitation (i.e., delivery mode) and secondarily by habitat filtering (i.e., antibiotics and enteral feeding). Bacteroidota and Lachnospiraceae are known core taxa of the adult microbiome, with roles in dietary glycan foraging, beneficial metabolite production and immunity, and our work provides evidence that their integration into the gut microbiome needs to occur early for optimal neurodevelopment.
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Affiliation(s)
- Kaitlyn Oliphant
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Mehneez Ali
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Mark D’Souza
- Center for Research Informatics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Patrick D. Hughes
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Department of Pediatrics, Division of Neonatology, NorthShore University HealthSystem, Evanston, IL, USA
| | - Dinanath Sulakhe
- Center for Research Informatics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Annie Z. Wang
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Bingqing Xie
- Department of Medicine, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Rummanu Yeasin
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Michael E. Msall
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Kennedy Research Center on Intellectual and Developmental Disabilities, University of Chicago, Chicago, IL, USA
| | - Bree Andrews
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Erika C. Claud
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Department of Medicine, Biological Sciences Division, University of Chicago, Chicago, IL, USA
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25
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Thiess T, Lauer T, Woesler A, Neusius J, Stehle S, Zimmer KP, Eckert GP, Ehrhardt H. Correlation of Early Nutritional Supply and Development of Bronchopulmonary Dysplasia in Preterm Infants <1,000 g. Front Pediatr 2021; 9:741365. [PMID: 34692613 PMCID: PMC8529181 DOI: 10.3389/fped.2021.741365] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 08/31/2021] [Indexed: 01/22/2023] Open
Abstract
Background: Bronchopulmonary dysplasia (BPD) has multifactorial origins and is characterized by distorted physiological lung development. The impact of nutrition on the incidence of BPD is less studied so far. Methods: A retrospective single center analysis was performed on n = 207 preterm infants <1,000 g and <32 weeks of gestation without severe gastrointestinal complications to assess the impact of variations in nutritional supply during the first 2 weeks of life on the pulmonary outcome. Infants were grouped into no/mild and moderate/severe BPD to separate minor and major limitations in lung function. Results: After risk adjustment for gestational age, birth weight, sex, multiples, and antenatal steroids, a reduced total caloric intake and carbohydrate supply as the dominant energy source during the first 2 weeks of life prevailed statistically significant in infants developing moderate/severe BPD (p < 0.05). Enteral nutritional supply was increased at a slower rate with prolonged need for parenteral nutrition in the moderate/severe BPD group while breast milk provision and objective criteria of feeding intolerance were equally distributed in both groups. Conclusion: Early high caloric intake is correlated with a better pulmonary outcome in preterm infants <1,000 g. Our results are in line with the known strong impact of nutrient supply on somatic growth and psychomotor development. Our data encourage paying special attention to further decipher the ideal nutritional requirements for unrestricted lung development and promoting progressive enteral nutrition in the absence of objective criteria of feeding intolerance.
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Affiliation(s)
- Theresa Thiess
- Department of General Pediatrics and Neonatology, Justus-Liebig-University, Universities of Gießen and Marburg Lung Center (UGMLC), German Center for Lung Research (DZL), Gießen, Germany
| | - Tina Lauer
- Department of General Pediatrics and Neonatology, Justus-Liebig-University, Universities of Gießen and Marburg Lung Center (UGMLC), German Center for Lung Research (DZL), Gießen, Germany
| | - Annika Woesler
- Department of General Pediatrics and Neonatology, Justus-Liebig-University, Universities of Gießen and Marburg Lung Center (UGMLC), German Center for Lung Research (DZL), Gießen, Germany.,Department of Nutritional Sciences, Institute for Nutrition in Prevention and Therapy, Justus-Liebig-University, Gießen, Germany
| | - Janine Neusius
- Department of General Pediatrics and Neonatology, Justus-Liebig-University, Universities of Gießen and Marburg Lung Center (UGMLC), German Center for Lung Research (DZL), Gießen, Germany.,Department of Nutritional Sciences, Institute for Nutrition in Prevention and Therapy, Justus-Liebig-University, Gießen, Germany
| | - Sandro Stehle
- Department of General Pediatrics and Neonatology, Justus-Liebig-University, Universities of Gießen and Marburg Lung Center (UGMLC), German Center for Lung Research (DZL), Gießen, Germany
| | - Klaus-Peter Zimmer
- Department of General Pediatrics and Neonatology, Justus-Liebig-University, Universities of Gießen and Marburg Lung Center (UGMLC), German Center for Lung Research (DZL), Gießen, Germany
| | - Gunter Peter Eckert
- Department of Nutritional Sciences, Institute for Nutrition in Prevention and Therapy, Justus-Liebig-University, Gießen, Germany
| | - Harald Ehrhardt
- Department of General Pediatrics and Neonatology, Justus-Liebig-University, Universities of Gießen and Marburg Lung Center (UGMLC), German Center for Lung Research (DZL), Gießen, Germany
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