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Karacan E, Çelikkanat Ş, Güngörmüş Z. Beliefs and views of breastfeeding mothers regarding human milk banking: A qualitative study. Nutrition 2024; 119:112299. [PMID: 38100918 DOI: 10.1016/j.nut.2023.112299] [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: 08/10/2023] [Revised: 10/23/2023] [Accepted: 11/02/2023] [Indexed: 12/17/2023]
Abstract
OBJECTIVE The aim of the study was to determine the beliefs and opinions of breastfeeding mothers about human milk banking. METHODS This study was conducted as a case study, which is a qualitative research method. The population researched consisted of women who applied to the Gaziantep Health Care Family Health Center between June and December 2022. The sample included 30 mothers selected through purposive sampling. The data were collected using a descriptive characteristics form and a semistructured interview form. Ethical committee and institutional approvals were obtained. The data were analyzed using the MAXQDA qualitative research software program. RESULTS The majority of the breastfeeding mothers had limited knowledge about human milk banking and considered it religiously problematic. They held the belief that breastfeeding siblings should not marry each other on religious grounds. The mothers were willing to act as wet nurses in case of necessity, but they expressed a preference against having their own baby nursed by another woman. They also stated that they would consider using milk banks only if the information provided was limited to the mother and baby. Additionally, it was observed that if they found themselves in a difficult situation, they would only seek a wet nurse from their immediate social circle. CONCLUSION The breastfeeding mothers expressed that milk banking was a beneficial practice; however, they had religious reservations about it. It was observed that they would be willing to donate their milk to these banks and use them in times of need under certain conditions. These conditions included ensuring that the milk is not mixed, providing information about the mother and baby to families, having babies of the same sex, and adhering to strict cleanliness and hygiene measures.
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Affiliation(s)
- Emine Karacan
- Health Services Vocational School, Gaziantep Islam Science and Technology University, Gaziantep, Turkey.
| | - Şirin Çelikkanat
- Faculty of Health Sciences, Department of Nursing, Gaziantep Islam Science and Technology University, Gaziantep, Turkey
| | - Zeynep Güngörmüş
- Faculty of Health Sciences, Department of Nursing, Gaziantep Islam Science and Technology University, Gaziantep, Turkey
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Iijima S. Clinical Dilemma Involving Treatments for Very Low-Birth-Weight Infants and the Potential Risk of Necrotizing Enterocolitis: A Narrative Literature Review. J Clin Med 2023; 13:62. [PMID: 38202069 PMCID: PMC10780023 DOI: 10.3390/jcm13010062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Necrotizing enterocolitis (NEC) is a critical gastrointestinal emergency with substantial morbidity and mortality risks, especially for very low-birth-weight (VLBW) infants, and unclear multifactorial pathophysiology. Whether common treatments for VLBW infants increase the NEC risk remains controversial. Indomethacin (utilized for patent ductus arteriosus) offers benefits but is concerning because of its vasoconstrictive impact on NEC susceptibility. Similarly, corticosteroids used to treat bronchopulmonary dysplasia may increase vulnerability to NEC by compromising immunity and altering the mesenteric blood flow. Histamine-2 receptor blockers (used to treat gastric bleeding) may inadvertently promote NEC by affecting bacterial colonization and translocation. Doxapram (used to treat apnea) poses a risk of gastrointestinal disturbance via gastric acid hypersecretion and circulatory changes. Glycerin enemas aid meconium evacuation but disrupt microbial equilibrium and trigger stress-related effects associated with the NEC risk. Prolonged antibiotic use may unintentionally increase the NEC risk. Blood transfusions for anemia can promote NEC via interactions between the immune response and ischemia-reperfusion injury. Probiotics for NEC prevention are associated with concerns regarding sepsis and bacteremia. Amid conflicting evidence, this review unveils NEC risk factors related to treatments for VLBW infants, offers a comprehensive overview of the current research, and guides personalized management strategies, thereby elucidating this clinical dilemma.
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Affiliation(s)
- Shigeo Iijima
- Department of Regional Neonatal-Perinatal Medicine, Hamamatsu University School of Medicine, Hamamatsu 431-3192, Japan
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Wang H, Meng X, Xing S, Guo B, Chen Y, Pan YQ. Probiotics to prevent necrotizing enterocolitis and reduce mortality in neonates: A meta-analysis. Medicine (Baltimore) 2023; 102:e32932. [PMID: 36827026 DOI: 10.1097/md.0000000000032932] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
BACKGROUND Probiotics are gradually being used as a supplementation to prevent necrotizing enterocolitis (NEC) and reduce mortality in neonates. We performed an updated meta-analysis to systematically evaluate the efficacy and safety of prophylactic probiotic supplementation for preventing NEC. METHODS The databases including PubMed, Embase, Scopus, Web of Science, and China National Knowledge Infrastructure were used to search the relevant articles. The latest retrieval date was up to December 2021. The meta-analysis was performed using Stata version 10.0. Finally, a total of 70 studies containing 8319 cases and 9283 controls were included. The strength of the association between the supplementation of probiotics and NEC was measured by risk ratios (RRs) with 95% confidence intervals (CIs). Pooled effect sizes across studies were performed by a random effect model. RESULTS The results showed that the probiotics could significantly reduce the incidence of NEC (stage II or more) (RR = 0.436, 95% CI = 0.357-0.531, P < .001), the overall mortality (RR = 0.651, 95% CI = 0.506-0.836, P < .001), and NEC-related mortality (RR = 0.639, 95% CI = 0.423-0.966, P = .034). Due to the lack of sufficient sample size, we did not perform the subgroup analysis by types of probiotic strain. CONCLUSION This meta-analysis indicates that the use of probiotics can effectively reduce the occurrence of NEC and mortality in neonates.
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Affiliation(s)
- Hongbo Wang
- Department of Anatomy, Shenyang Medical College, Shenyang, China
| | - Xinyao Meng
- Department of Anatomy, Shenyang Medical College, Shenyang, China
| | - Shihan Xing
- Department of Anatomy, Shenyang Medical College, Shenyang, China
| | - Baotong Guo
- Department of Anatomy, Shenyang Medical College, Shenyang, China
| | - Yuhan Chen
- Department of Anatomy, Shenyang Medical College, Shenyang, China
| | - Yu-Qing Pan
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, PR China
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Granger C, Dermyshi E, Roberts E, Beck LC, Embleton N, Berrington J. Necrotising enterocolitis, late-onset sepsis and mortality after routine probiotic introduction in the UK. Arch Dis Child Fetal Neonatal Ed 2022; 107:352-358. [PMID: 34433587 DOI: 10.1136/archdischild-2021-322252] [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: 04/13/2021] [Accepted: 08/04/2021] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To compare necrotising enterocolitis (NEC), late-onset sepsis (LOS), focal intestinal perforation (FIP) and mortality in infants from a single neonatal unit before and after probiotic introduction. DESIGN Retrospective review of infants <32 weeks admitted January 2009-December 2012 (no probiotic) and January 2013-December 2017 (routine probiotics). Infants included were admitted before day 3, and not transferred out before day 3. NEC, LOS and FIP were defined with standard definitions. PATIENTS 1061 infants were included, 509 preprobiotic and 552 postprobiotic. Median gestation, birth weight and antenatal steroid use did not differ, and proportions of extremely low birthweight infants were similar (37% and 41%). RESULTS Overall unadjusted risk of NEC (9.2% (95% CI 7.1 to 12.1) vs 10.6% (95% CI 8.2 to 13.4), p=0.48), LOS (16.3% (95% CI 13.2 to 19.6) vs 14.1% (95% CI 11.5 to 17.4), p=0.37) and mortality (9.2% (95% CI 7.1 to 12.1) vs 9.7% (95% CI 7.6 to 12.6), p=0.76) did not differ, nor proportion of surgical NEC. In multiple logistic regression, accounting for gestation, birth weight, antenatal steroid, maternal milk, chorioamnionitis and sex, probiotic receipt was not significantly associated with NEC (adjusted OR (aOR) 1.08 (95% CI 0.71 to 1.68), p=0.73), LOS or mortality. In subgroup (645 infants) >28 weeks, aOR for NEC in the probiotic cohort was 0.42 (95% CI 0.2 to 0.99, p=0.047). FIP was more common in the probiotic cohort (OR 2.3 (95% CI 1.0 to 5.4), p=0.04), not significant in regression analysis (2.11 (95% CI 0.97 to 4.95), p=0.05). CONCLUSIONS Probiotic use in this centre did not reduce overall mortality or rates of NEC, LOS or FIP but subgroup analysis identified NEC risk reduction in infants >28 weeks, and LOS reduction <28 weeks.
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Affiliation(s)
- Claire Granger
- Newcastle Neonatal Service, Ward 35 Neonatal Unit, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.,Translational and Clinical Research Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, UK
| | - Elda Dermyshi
- Newcastle Neonatal Service, Ward 35 Neonatal Unit, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Eve Roberts
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Lauren C Beck
- Translational and Clinical Research Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, UK
| | - Nicholas Embleton
- Newcastle Neonatal Service, Ward 35 Neonatal Unit, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.,Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Janet Berrington
- Newcastle Neonatal Service, Ward 35 Neonatal Unit, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK .,Translational and Clinical Research Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, UK
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Gross M, Poets CF. Lipid enemas for meconium evacuation in preterm infants - a retrospective cohort study. BMC Pediatr 2021; 21:454. [PMID: 34657609 PMCID: PMC8522005 DOI: 10.1186/s12887-021-02905-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/13/2021] [Indexed: 12/21/2022] Open
Abstract
Background Enemas are used in preterm infants to promote meconium evacuation, but frequent high-volume enemas might contribute to focal intestinal perforation (FIP). To replace a regime consisting of frequent enemas of varying volume and composition, we implemented a once-daily, low-volume lipid enema (LE) regimen. We investigated its impact on meconium evacuation, enteral nutrition, and gastrointestinal complications in preterm infants. Methods We performed a single-center retrospective study comparing cohorts of preterm infants < 28 weeks gestation or < 32 weeks, but with birth weight < 10th percentile, before and after implementing LE. Outcomes were rates of FIP, necrotizing enterocolitis (NEC), and sepsis. We assessed stooling patterns, early enteral and parenteral nutrition. We used descriptive statistics for group comparisons and logistic regression to identify associations between LE and gastrointestinal complications and to adjust for group imbalances and potential confounders. Exclusion criteria were gastrointestinal malformations or pre-determined palliative care. Results Data from 399 infants were analyzed, 203 before vs. 190 after implementing LE; in the latter period, 55 protocol deviations occurred where infants received no enema, resulting in 3 groups with either variable enemas, LE or no enema use. Rates of FIP and sepsis were 11.9% vs. 6.4% vs. 0.0% and 18.4% vs. 13.5% vs. 14.0%, respectively. NEC rates were 3.0% vs. 7.8% vs. 3.5%. Adjusted for confounders, LE had no effect on FIP risk (aOR 1.1; 95%CI 0.5–2.8; p = 0.80), but was associated with an increased risk of NEC (aOR 2.9; 95%CI 1.0–8.6; p = 0.048). While fewer enemas were applied in the LE group resulting in a prolonged meconium passage, no changes in early enteral and parenteral nutrition were observed. We identified indomethacin administration and formula feeding as additional risk factors for FIP and NEC, respectively (aOR 3.5; 95%CI 1.5–8.3; p < 0.01 and aOR 3.4; 95%CI 1.2–9.3; p = 0.02). Conclusion Implementing LE had no clinically significant impact on meconium evacuation, early enteral or parenteral nutrition. FIP and sepsis rates remained unaffected. Other changes in clinical practice, like a reduced use of indomethacin, possibly affected FIP rates in our cohorts. The association between LE and NEC found here argues against further adoption of this practice. Trial registration Registered at the German Register of Clinical Trials (no. DRKS00024021; Feb 022021).
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Affiliation(s)
- Maximilian Gross
- Department of Neonatology, University Children's Hospital Tübingen, Calwerstr. 7, 72076, Tübingen, Germany
| | - Christian F Poets
- Department of Neonatology, University Children's Hospital Tübingen, Calwerstr. 7, 72076, Tübingen, Germany.
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Romano-Keeler J, Zhang J, Sun J. The Life-Long Role of Nutrition on the Gut Microbiome and Gastrointestinal Disease. Gastroenterol Clin North Am 2021; 50:77-100. [PMID: 33518170 PMCID: PMC7863586 DOI: 10.1016/j.gtc.2020.10.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Bacterial colonization of the intestines occurs during the first 2 years of life. Homeostasis of the gut microbiome is established to foster normal intestinal immune development for adulthood. Derangements in this process can interfere with immune function and increase an individual's risk for gastrointestinal disorders. We discuss the role of diet and the microbiome on the onset of such disorders. We examine how micronutrients, prebiotics, and probiotics modulate disease pathogenesis. We discuss how diet and abnormal microbial colonization impact extraintestinal organs. Understanding the communication of nutrition and the microbiome offers exciting opportunities for therapeutics.
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Affiliation(s)
- Joann Romano-Keeler
- Division of Neonatology, Department of Pediatrics, University of Illinois at Chicago, 840 South Wood Street, MC 856, Suite 1252, Chicago, IL 60612, USA
| | - Jilei Zhang
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, 840 South Wood Street, Room 704 CSB, MC716, Chicago, IL 60612, USA
| | - Jun Sun
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, 840 South Wood Street, Room 704 CSB, MC716, Chicago, IL 60612, USA; University of Illinois Cancer Center, 818 South Wolcott Avenue, Chicago, IL 60612, USA.
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Deshmukh M, Patole S. Prophylactic Probiotic Supplementation for Preterm Neonates-A Systematic Review and Meta-Analysis of Nonrandomized Studies. Adv Nutr 2021; 12:1411-1423. [PMID: 33460432 PMCID: PMC8321836 DOI: 10.1093/advances/nmaa164] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 11/05/2020] [Accepted: 11/20/2020] [Indexed: 12/18/2022] Open
Abstract
Systematic review and meta-analyses of randomized controlled trials (RCTs) show that probiotics reduce the risk of necrotizing enterocolitis (NEC ≥ Stage II), late onset sepsis (LOS), all-cause mortality, and feeding intolerance in preterm neonates. Data from observational studies is important to confirm probiotic effects in clinical practice. We aimed to compare outcomes before and after implementing routine probiotic supplementation (RPS) in preterm neonates (<37 weeks of gestation) by performing a systematic review of non-RCTs using Cochrane methodology. Databases including PubMed, The Cumulative Index to Nursing and Allied Health Literature (CINAHL), Embase, Cochrane Central library, and Google Scholar were searched in May 2020. A meta-analysis was performed using a random effects model. Categorical measure of effect size was expressed as OR and 95% CI. Statistical heterogeneity was assessed by the chi-squared test, I2 statistic. The level of evidence (LOE) was summarized using GRADE (Grading of Recommendations Assessment, Development, and Evaluation) guidelines. Primary outcomes were NEC ≥ Stage II, LOS, and all-cause mortality. Secondary outcomes included probiotic sepsis. Thirty good-quality non-RCTs (n = 77,018) from 18 countries were included. The meta-analysis showed RPS was associated with significantly reduced: 1) NEC ≥ Stage II (30 studies, n = 77,018; OR: 0.60; 95% CI: 0.50, 0.73; P <0.00001, I2: 65%; LOE: Moderate), 2) LOS: (21 studies, n = 65,858; OR: 0.85; 95% CI: 0.74, 0.97; P = 0.02, I2: 74%; LOE: Low), and 3) all-cause mortality (27 non-RCTs, n = 70,977; OR: 0.77; 95% CI: 0.68, 0.88; P = 0.0001, I2: 49%; LOE: Low). Subgroups: 1) extremely low birth weight (ELBW: birth weight <1000 g) neonates: RPS was associated with significantly reduced NEC ≥ Stage II (4.5% compared with 7.9%). However, there was no difference in LOS and mortality. 2) Multistrain RPS was more effective than single strain. One study reported 3 nonfatal cases of probiotic sepsis. In summary, moderate- to low-quality evidence indicates that RPS was associated with significantly reduced NEC ≥ Stage II, LOS, and all-cause mortality in neonates <37 weeks of gestation and NEC ≥ Stage II in ELBW neonates.
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Abstract
Intestinal dysbiosis precedes and is a likely causative factor in necrotizing enterocolitis (NEC) and many cases of late-onset sepsis. Randomized controlled trials and observational cohort studies demonstrate decreased risk of NEC, sepsis, and death with the administration of probiotic microbes and decreased risk of NEC and sepsis with feeding of human milk. Animal studies suggest promising mechanisms by which probiotic microbes and human milk oligosaccharides alter the composition of the intestinal microbiota and may prevent disease in premature infants. Inclusion of parents in discussions of the risks and benefits of human milk and probiotics for premature infants is essential.
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Affiliation(s)
- Mark A Underwood
- Department of Pediatrics, University of California Davis, Sacramento, CA
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Underwood MA, Umberger E, Patel RM. Safety and efficacy of probiotic administration to preterm infants: ten common questions. Pediatr Res 2020; 88:48-55. [PMID: 32855513 PMCID: PMC8210852 DOI: 10.1038/s41390-020-1080-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In spite of a large number of randomized placebo-controlled clinical trials and observational cohort studies including >50,000 preterm infants from 29 countries that have demonstrated a decrease in the risk of necrotizing enterocolitis, death, and sepsis, routine prophylactic probiotic administration to preterm infants remains uncommon in much of the world. This manuscript reflects talks given at NEC Society Symposium in 2019 and is not intended to be a state-of-the-art review or systematic review, but a summary of the probiotic-specific aspects of the symposium with limited additions including a recent strain-specific network analysis and position statement from the European Society for Paediatric Gastroenterology Hepatology and Nutrition (ESPGHAN). We address ten common questions related to the intestinal microbiome and probiotic administration to the preterm infant.
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Affiliation(s)
- Mark A Underwood
- Division of Neonatology, Department of Pediatrics, University of California Davis School of Medicine, Sacramento, CA, USA.
| | - Erin Umberger
- Necrotizing Enterocolitis (NEC) Society, Davis, CA, USA
| | - Ravi M Patel
- Division of Neonatology, Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
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Mantziari A, Tölkkö S, Ouwehand AC, Löyttyniemi E, Isolauri E, Salminen S, Rautava S. The Effect of Donor Human Milk Fortification on The Adhesion of Probiotics In Vitro. Nutrients 2020; 12:nu12010182. [PMID: 31936487 PMCID: PMC7019708 DOI: 10.3390/nu12010182] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/01/2020] [Accepted: 01/04/2020] [Indexed: 12/22/2022] Open
Abstract
Preterm delivery complications are the primary cause of death among children under the age of five. Preventive strategies include the use of pasteurized donor human milk (DHM), its fortification with human milk fortifiers (protein supplements), and supplementation with probiotics. Our aim was to examine the impact of DHM and fortified DHM (FDHM) on the mucus adhesion properties of two widely used probiotics. The study covered two forms of human milk fortifier, liquid and powdered, with or without probiotics and storage at 4 °C for 24 h. To test the adhesion properties of the probiotic strains, DHM+probiotics and FDHM+probiotics were prepared and added to immobilized mucus isolated from the stool of healthy Finnish infants. The probiotic adhesion was then measured by liquid scintillation. Our results suggest that addition of liquid or powdered human milk fortifier in donor human milk had no impact on probiotic adhesion. In addition, given the increased adhesion of probiotics suspended in buffer, other matrices should be further studied. These factors need to be considered when designing future intervention strategies using probiotics in preterm infants.
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Affiliation(s)
- Anastasia Mantziari
- Functional Foods Forum, Faculty of Medicine, University of Turku, Itäinen Pitkäkatu 4A, 20520 Turku, Finland; (S.T.); (S.S.)
- Correspondence: ; Tel.: +35-829-450-3820
| | - Satu Tölkkö
- Functional Foods Forum, Faculty of Medicine, University of Turku, Itäinen Pitkäkatu 4A, 20520 Turku, Finland; (S.T.); (S.S.)
| | - Artur C. Ouwehand
- DuPont Nutrition and Biosciences, Sokeritehtaantie 20, 02460 Kantvik, Finland;
| | - Eliisa Löyttyniemi
- Unit of Biostatistics, Department of Clinical Medicine University of Turku, Kiinamyllynkatu 10, 20520 Turku, Finland;
| | - Erika Isolauri
- Department of Pediatrics, University of Turku and Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland; (E.I.); (S.R.)
| | - Seppo Salminen
- Functional Foods Forum, Faculty of Medicine, University of Turku, Itäinen Pitkäkatu 4A, 20520 Turku, Finland; (S.T.); (S.S.)
| | - Samuli Rautava
- Department of Pediatrics, University of Turku and Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland; (E.I.); (S.R.)
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Bührer C, Fischer HS, Wellmann S. Nutritional interventions to reduce rates of infection, necrotizing enterocolitis and mortality in very preterm infants. Pediatr Res 2020; 87:371-377. [PMID: 31645057 DOI: 10.1038/s41390-019-0630-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 10/03/2019] [Accepted: 10/09/2019] [Indexed: 12/12/2022]
Abstract
Observational studies demonstrating reduced rates of infections, necrotizing enterocolitis (NEC), and mortality in preterm infants fed their own mother's milk, as opposed to formula, have prompted endeavors to achieve similar effects with the right choice of food and food additives. In a systematic review of meta-analyses and randomized controlled trials (RCTs), we considered nutritional interventions aimed at reducing the rates of infections, NEC, or mortality in very preterm infants. The overall effects of particular interventions were presented as risk ratios with 95% confidence intervals. In RCTs, pasteurized human donor milk, as opposed to formula, reduced NEC but not infections or mortality. No differences emerged between infants receiving human or bovine milk-based fortifiers. Pooled data of small trials and a recent large RCT suggested that bovine lactoferrin reduced rates of fungal sepsis without impact on other infections, NEC, or mortality. Pooled data of RCTs assessing the use of prebiotic oligosaccharides found reduced infection but not mortality. Enteral L-glutamine (six RCTs) lowered infection rates, and enteral L-arginine (three RCTs) reduced NEC. A meta-analysis sensitivity approach found multiple-strain (but not single-strain) probiotics to be highly effective in reducing NEC and mortality. Thus, selected food components may help to improve outcomes in preterm infants.
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Affiliation(s)
- Christoph Bührer
- Department of Neonatology, Charité - Universitätsmedizin Berlin, Berlin, Germany.
| | - Hendrik S Fischer
- Department of Neonatology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Sven Wellmann
- Division of Neonatology, University Children's Hospital Regensburg (KUNO), University of Regensburg, Regensburg, Germany
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Abstract
PURPOSE OF REVIEW Necrotizing enterocolitis (NEC) is a leading cause of morbidity and mortality among premature neonates. Although randomized trials have shown that probiotics may be efficacious in the prevention of NEC, their use has not been universally adopted in the neonatal intensive care unit (NICU). Caveats regarding routine probiotic supplementation for the prevention of NEC are summarized in this review. RECENT FINDINGS Accumulating evidence indicates that prophylactic probiotic supplementation in preterm infants can reduce the incidence of NEC. However, substantial knowledge gaps, regulatory issues, and implementation challenges should be addressed before probiotics are introduced as standard of care for all preterm neonates. Limitations of published trial data have made it challenging to define regimens that optimize efficacy and safety in specific patient subgroups. Moreover, the current probiotic market lacks rigorous regulatory oversight, which could raise concerns about the quality and safety of probiotic products. Finally, implementation pitfalls include risks of cross-colonization and resource requirements to monitor and mitigate potential adverse events. SUMMARY Probiotics have shown promise in the prevention of NEC. However, there is insufficient evidence to guide the selection of optimal regimens. Furthermore, issues related to regulatory and institutional oversight should be addressed before supplementation is routinely implemented in NICUs.
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Underwood MA. Probiotics and the prevention of necrotizing enterocolitis. J Pediatr Surg 2019; 54:405-412. [PMID: 30241961 DOI: 10.1016/j.jpedsurg.2018.08.055] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 07/19/2018] [Accepted: 08/16/2018] [Indexed: 12/24/2022]
Abstract
BACKGROUND Immaturity of the host immune system and alterations in the intestinal microbiome appear to be key factors in the pathogenesis of necrotizing enterocolitis (NEC). The aim of this paper is to weigh the evidence for the use of probiotics to prevent NEC in premature infants. METHODS Animal studies, randomized controlled trials, observational cohort studies and meta-analyses involving administration of probiotic products for the prevention of NEC were reviewed. This review of the evidence summarizes the available preclinical and clinical data. RESULTS In animal models probiotic microbes alter the intestinal microbiome, decrease inflammation and intestinal permeability and decrease the incidence and severity of experimental NEC. In randomized, placebo-controlled trials and cohort studies of premature infants, probiotic microbes decrease the risk of NEC, death and sepsis. CONCLUSION Evidence is strong for the prevention of NEC with the use of combination probiotics in premature infants who receive breast milk. The potential risks and benefits of probiotic administration to premature infants should be carefully reviewed with parents. TYPE OF STUDY Therapeutic. LEVEL OF EVIDENCE I.
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Affiliation(s)
- Mark A Underwood
- Division of Neonatology, University of California Davis, Ticon 2, Suite 253, 2516 Stockton Blvd, Sacramento, CA 95817, USA.
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Aceti A, Beghetti I, Maggio L, Martini S, Faldella G, Corvaglia L. Filling the Gaps: Current Research Directions for a Rational Use of Probiotics in Preterm Infants. Nutrients 2018; 10:E1472. [PMID: 30308999 PMCID: PMC6213418 DOI: 10.3390/nu10101472] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 10/06/2018] [Accepted: 10/08/2018] [Indexed: 02/06/2023] Open
Abstract
The use of probiotics among very low-birth-weight infants is constantly increasing, as probiotics are believed to reduce the incidence of severe diseases such as necrotizing enterocolitis and late-onset sepsis and to improve feeding tolerance. However, despite the enthusiasm towards these products in neonatal medicine, theoretical knowledge and clinical applications still need to be improved. The purpose of this review is to give an overview of the most important gaps in the current literature about potential uses of probiotics in preterm infants, highlighting promising directions for future research. Specifically, further well-designed studies should aim at clarifying the impact of the type of feeding (mother's milk, donor milk, and formula) on the relationship between probiotic supplementation and clinical outcome. Moreover, future research is needed to provide solid evidence about the potential greater efficacy of multi-strain probiotics compared to single-strain products. Safety issues should also be addressed properly, by exploring the potential of paraprobiotics and risks connected to antibiotic resistance in preterm infants. Last, in light of increasing commercial and public interests, the long-term effect of routine consumption of probiotics in such a vulnerable population should be also evaluated.
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Affiliation(s)
- Arianna Aceti
- Neonatal Intensive Care Unit, AOU Bologna, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy.
| | - Isadora Beghetti
- Neonatal Intensive Care Unit, AOU Bologna, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy.
| | - Luca Maggio
- Department of Woman and Child Health, Obstetric and Neonatology Area, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy.
| | - Silvia Martini
- Neonatal Intensive Care Unit, AOU Bologna, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy.
| | - Giacomo Faldella
- Neonatal Intensive Care Unit, AOU Bologna, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy.
| | - Luigi Corvaglia
- Neonatal Intensive Care Unit, AOU Bologna, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy.
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