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Uberos J, Sanchez-Ruiz I, Fernández-Marin E, Ruiz-López A, Cubero-Millan I, Campos-Martínez A. Breast-feeding as protective factor against bronchopulmonary dysplasia in preterm infants. Br J Nutr 2024; 131:1405-1412. [PMID: 38163989 DOI: 10.1017/s0007114523002982] [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] [Indexed: 01/03/2024]
Abstract
Breast-feeding is associated with fewer comorbidities in very-low-birth-weight (VLBW) preterm infants. Bronchopulmonary dysplasia (BPD) of VLBW infants is a multifactorial pathology in which nutritional aspects may be of special importance. The aim of this study is to determine, in a cohort of VLBW infants, whether breast milk nutrition is associated with a reduced prevalence and severity of BPD. A retrospective study was conducted to record the intake of mother's own milk (MOM), pasteurised donor human milk or preterm formula milk in the first 2 weeks of postnatal life of 566 VLBW newborns at our hospital during the period January 2008-December 2021. After applying the relevant exclusion criteria, data for 489 VLBW infants were analysed; 195 developed some degree of BPD. Moderate or severe BPD is associated with less weight gain. Moreover, the preferential ingestion of breast milk in the first and second postnatal weeks had effects associated with lower OR for BPD, which were statistically demonstrable for mild (OR 0·16; 95 % CI 0·03, 0·71) and severe (OR 0·08; 95 % CI 0·009, 0·91) BPD. Breast-feeding during the first weeks of postnatal life is associated with a reduced prevalence of BPD, which is frequently associated with less weight gain as a result of greater respiratory effort with greater energy expenditure.
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Affiliation(s)
- Jose Uberos
- Facultad de Medicina, Universidad de Granada, Granada, Spain
- Neonatal Intensive Care Unit, San Cecilio Clinical Hospital, Granada, Spain
| | | | | | - Aida Ruiz-López
- Neonatal Intensive Care Unit, San Cecilio Clinical Hospital, Granada, Spain
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Rühle J, Schwarz J, Dietz S, Rückle X, Schoppmeier U, Lajqi T, Poets CF, Gille C, Köstlin-Gille N. Impact of perinatal administration of probiotics on immune cell composition in neonatal mice. Pediatr Res 2024:10.1038/s41390-024-03029-2. [PMID: 38278847 DOI: 10.1038/s41390-024-03029-2] [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: 11/15/2023] [Revised: 12/19/2023] [Accepted: 12/29/2023] [Indexed: 01/28/2024]
Abstract
BACKGROUND Newborns and especially preterm infants are much more susceptible to infections than adults. The pathogens causing infections in newborns are often detectable in the intestinal flora of affected children even before disease onset. Therefore, it seems reasonable to prevent dysbiosis in newborns and preterm infants. An approach followed in many neonatal intensive care units (NICUs) is to prevent infections in preterm infants with probiotics however their mechanisms of action of probiotics are incompletely understood. Here, we investigated the effect of perinatal probiotic exposure on immune cells in newborn mice. METHODS Pregnant mice were orally treated with a combination of Lactobacillus acidophilus and Bifidobacterium bifidum (Infloran®) from mid-pregnancy until the offspring were harvested. Immune cell composition in organs of the offspring were analyzed by flow cytometry. RESULTS Perinatal probiotic exposure had profound effects on immune cell composition in the intestine, liver and lungs of newborn mice with reduction of myeloid and B cells and induction of T cells in the probiotic treated animals' organs at weaning. Furthermore, probiotic exposure had an effect on T cell development in the thymus. CONCLUSION Our results contribute to a better understanding of the interaction of probiotics with the developing immune system. IMPACT probiotics have profound effects on immune cell composition in intestines, livers and lungs of newborn mice. probiotics modulate T cell development in thymus of newborn mice. effects of probiotics on neonatal immune cells are particularly relevant in transition phases of the microbiome. our results contribute to a better understanding of the mechanisms of action of probiotics in newborns.
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Affiliation(s)
- Jessica Rühle
- Department of Neonatology, Tuebingen University Children's Hospital, Tuebingen, Germany
| | - Julian Schwarz
- Department of Neonatology, Tuebingen University Children's Hospital, Tuebingen, Germany
| | - Stefanie Dietz
- Department of Neonatology, Tuebingen University Children's Hospital, Tuebingen, Germany
- Department of Neonatology, Heidelberg University Children's Hospital, Heidelberg, Germany
| | - Xenia Rückle
- Department of Neonatology, Tuebingen University Children's Hospital, Tuebingen, Germany
| | - Ulrich Schoppmeier
- Institute for Medical Microbiology and Hygiene, University Hospital Tuebingen, Tuebingen, Germany
| | - Trim Lajqi
- Department of Neonatology, Heidelberg University Children's Hospital, Heidelberg, Germany
| | - Christian F Poets
- Department of Neonatology, Tuebingen University Children's Hospital, Tuebingen, Germany
| | - Christian Gille
- Department of Neonatology, Heidelberg University Children's Hospital, Heidelberg, Germany
| | - Natascha Köstlin-Gille
- Department of Neonatology, Tuebingen University Children's Hospital, Tuebingen, Germany.
- Department of Neonatology, Heidelberg University Children's Hospital, Heidelberg, Germany.
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Thatrimontrichai A, Surachat K, Singkhamanan K, Thongsuksai P. Long Duration of Oral Care Using Mother's Own Milk Influences Oral Microbiota and Clinical Outcomes in Very-low-birthweight Infants: Randomized Controlled Trial. Pediatr Infect Dis J 2023; 42:804-810. [PMID: 37343216 DOI: 10.1097/inf.0000000000004002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/23/2023]
Abstract
BACKGROUND Several studies have focused on the clinical outcomes of oral care using colostrum for a limited time (2-5 days) in very-low-birthweight (VLBW) infants. However, the effect of long-term mother's own milk (MOM) on the clinical outcomes and oral microbiota of VLBW infants remains unknown. METHODS In this randomized controlled trial, VLBW neonates were randomly assigned to oral care by MOM or sterile water (SW) groups until they started oral feeding. The primary outcome was oral microbiota composition including alpha and beta diversity, relative abundance, and linear discriminant analysis effect size (LEfSe). The secondary outcomes were various morbidities and mortality. RESULTS The baseline characteristics of the two groups did not differ (63 neonates, MOM group, n = 30, oral care 22 days; SW group, n = 33, oral care 27 days). There was no significant difference in alpha and beta diversities between the groups before and after the intervention. The MOM group had a significantly lower rate of clinical sepsis than the SW group (47% vs. 76%, risk ratio = 0.62, 95% CI: 0.40-0.97). The relative abundance of Bifidobacterium bifidum and Faecalibacterium were maintained after MOM care, especially in neonates without clinical sepsis, but decreased after SW care. LEfSe showed that neonates in the MOM and SW groups with clinical sepsis had the highest abundance of Pseudomonas and Gammaproteobacteria, respectively, compared with neonates without sepsis. CONCLUSIONS A longer duration of oral care using MOM in VLBW infants sustains healthy bacteria and decreases the risk of clinical sepsis.
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Affiliation(s)
- Anucha Thatrimontrichai
- From the Division of Neonatology, Department of Pediatrics, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Komwit Surachat
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
- Molecular Evolution and Computational Biology Research Unit, Prince of Songkla University, Songkhla, Thailand
| | - Kamonnut Singkhamanan
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Paramee Thongsuksai
- Department of Pathology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
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Men G, Wang L, Lu X, Wen G, Lü Q. Can Enterococcus faecium prevent NEC in preterm infants?: A systematic review and meta-analysis. Medicine (Baltimore) 2023; 102:e34787. [PMID: 37565851 PMCID: PMC10419755 DOI: 10.1097/md.0000000000034787] [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: 06/01/2023] [Accepted: 07/26/2023] [Indexed: 08/12/2023] Open
Abstract
OBJECTIVE Previous some systematic reviews reported that probiotics may benefit the prevention of NEC in preterm infants. But dissimilar bacterial strains and taxa used in included studies possibly result in bias. There is not a rounded systematic review which has estimated the benefit and safety of Enterococcus faecium to prevent NEC in preterm infants to date before we conducted. METHODS This systematic review of randomized controlled trials and retrospective studies analyzing the benefit of Enterococcus faecium to prevent NEC in preterm infants was performed using PubMed, Web of Science, Cochrane Library, EMBASE, Wanfang data and China National Knowledge Infrastructure databases from inception to April 14, 2023. The search terms were "preterm" AND "necrotizing enterocolitis" AND "Enterococcus faecium OR probiotics." Studies reporting NEC involving preterm infants who were given Enterococcus faecium were included in this systematic review. A sensitivity analysis was conducted to assess the stability of results. A funnel plot was generated to identify publication bias. Two authors appraised studies quality and extracted data independently. This work has been reported according with preferred reporting items for systematic reviews and meta-analyses and assessing the methodological quality of systematic reviews. Statistical analysis was conducted using Review Manager 5.3 software. Risk ratio (RR) with 95% confidence intervals (CI) was calculated and analyzed. RESULTS Seven studies (N = 1487 participants) were included in this systematic review, and 6 randomized, controlled trials (N = 1237 participants) were included in the meta-analysis. Comparing with the control groups, the Enterococcus faecium groups had a significant decline in the incidence of NEC Bell stage II or higher (RR: 0.3138, 95% CI: 0.1983-0.4965; P < .00001; 6 studies, n = 1237) and infection (RR: 0.4818, 95% CI: 0.2950-0.7869; P = .004; 3 studies, n = 710). CONCLUSIONS Enterococcus faecium is effective and safe in preventing NEC (Bell stage II or higher) in preterm infants. But all studies included came from China. The dosages and durations of taking Enterococcus faecium were various.
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Affiliation(s)
- Guangguo Men
- Neonatal Intensive Care Unit, Ningbo Women and Children’s Hospital, Ningbo, China
| | - Lili Wang
- Department of Neonatology, Dong’e Hospital of Traditional Chinese Medicine, Liaocheng, Shandong, China
| | - Xudan Lu
- Department of Neonatology, Ningbo Women and Children’s Hospital, Ningbo, China
| | - Gang Wen
- Department of Pediatric Surgery, Ningbo Women and Children’s Hospital, Ningbo, China
| | - Qin Lü
- Neonatal Intensive Care Unit, Ningbo Women and Children’s Hospital, Ningbo, China
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Baucells BJ, Sebastiani G, Herrero-Aizpurua L, Andreu-Fernández V, Navarro-Tapia E, García-Algar O, Figueras-Aloy J. Effectiveness of a probiotic combination on the neurodevelopment of the very premature infant. Sci Rep 2023; 13:10344. [PMID: 37365274 DOI: 10.1038/s41598-023-37393-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 06/21/2023] [Indexed: 06/28/2023] Open
Abstract
Probiotics have shown a benefit in reducing necrotising enterocolitis in the premature infant, however the study of their effect on premature neonates' neurodevelopment is limited. The aim of our study was to elucidate whether the effect of Bifidobacterium bifidum NCDO 2203 combined with Lactobacillus acidophilus NCDO 1748 could positively impact the neurodevelopment of the preterm neonates. Quasi-experimental comparative study with a combined treatment of probiotics in premature infants < 32 weeks and < 1500 g birth weight, cared for at a level III neonatal unit. The probiotic combination was administered orally to neonates surviving beyond 7 days of life, until 34 weeks postmenstrual age or discharge. Globally, neurodevelopment was evaluated at 24 months corrected age. A total of 233 neonates were recruited, 109 in the probiotic group and 124 in the non-probiotic group. In those neonates receiving probiotics, there was a significant reduction in neurodevelopment impairment at 2 years of age RR 0.30 [0.16-0.58], and a reduction in the degree of impairment (normal-mild vs moderate-severe, RR 0.22 [0.07-0.73]). Additionally, there was a significant reduction in late-onset sepsis (RR 0.45 [0.21-0.99]). The prophylactic use of this probiotic combination contributed to improving neurodevelopmental outcome and reduced sepsis in neonates born at < 32 weeks and < 1500 g.Per style, a structured abstract is not allowed so we have changed the structured abstract to an unstructured abstract. Please check and confirm.Accepted.
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Affiliation(s)
- Benjamin James Baucells
- Neonatology Service Hospital Clínic-Maternitat, ICGON, BCNatal, Carrer Sabino Arana 1, 08028, Barcelona, Spain.
| | - Giorgia Sebastiani
- Neonatology Service Hospital Clínic-Maternitat, ICGON, BCNatal, Carrer Sabino Arana 1, 08028, Barcelona, Spain
- Grup de Recerca Infància i Entorn (GRIE), Institut d'investigacions Biomèdiques August pi i Sunyer (IDIBAPS), Barcelona, Spain
| | | | - Vicente Andreu-Fernández
- Grup de Recerca Infància i Entorn (GRIE), Institut d'investigacions Biomèdiques August pi i Sunyer (IDIBAPS), Barcelona, Spain
- Biosanitary Research Institute, Valencian International University (VIU), Valencia, Spain
| | - Elisabet Navarro-Tapia
- Grup de Recerca Infància i Entorn (GRIE), Institut d'investigacions Biomèdiques August pi i Sunyer (IDIBAPS), Barcelona, Spain
- Faculty of Health Sciences, Valencian International University (VIU), Valencia, Spain
| | - Oscar García-Algar
- Neonatology Service Hospital Clínic-Maternitat, ICGON, BCNatal, Carrer Sabino Arana 1, 08028, Barcelona, Spain
| | - Josep Figueras-Aloy
- Neonatology Service Hospital Clínic-Maternitat, ICGON, BCNatal, Carrer Sabino Arana 1, 08028, Barcelona, Spain
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