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Background: To evaluate the rates of lumbar puncture (LP) in infants with culture-proven sepsis. Study design: We prospectively enrolled 400 infants with early- or late-onset sepsis due to Group B streptococcus (GBS) or Eschericha coli, diagnosed within 90 days of life. Rates of LP and potential variables associated with LP performance were evaluated. Moreover, cerebrospinal fluid (CSF) characteristics and results of the molecular analysis were investigated. Results: LP was performed in 228/400 (57.0%) infants; 123/228 LPs (53.9%) were performed after antibiotic initiation, hampering the ability to identify the pathogen in the CSF culture. However, polymerase chain reaction increased the probability of positive results of CSF analysis compared to microbiological culture (28/79, 35.4% vs. 14/79, 17.7%, p = 0.001). Severe clinical presentation and GBS infection were associated with higher LP rates. The rate of meningitis was 28.5% (65/228). Conclusions: Rates of LP are low in culture-proven neonatal sepsis and antibiotics are frequently given before LP is carried out. Thus meningitis may be underestimated, and the chances of giving an effective therapy to the newborn are reduced. LP should be performed before the start of antibiotics when there is a clinical suspicion of infection.
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The effectiveness of "inadequate" intrapartum antibiotic prophylaxis (IAP administered < 4 h prior to delivery) in preventing early-onset sepsis (EOS) is debated. Italian prospective surveillance cohort data (2003-2022) were used to study the type and duration of IAP according to the timing of symptoms onset of group B streptococcus (GBS) and E. coli culture-confirmed EOS cases. IAP was defined "active" when the pathogen yielded in cultures was susceptible. We identified 263 EOS cases (GBS = 191; E. coli = 72). Among GBS EOS, 25% had received IAP (always active when beta-lactams were administered). Most IAP-exposed neonates with GBS were symptomatic at birth (67%) or remained asymptomatic (25%), regardless of IAP duration. Among E. coli EOS, 60% were IAP-exposed. However, IAP was active in only 8% of cases, and these newborns remained asymptomatic or presented with symptoms prior to 6 h of life. In contrast, most newborns exposed to an "inactive" IAP (52%) developed symptoms from 1 to >48 h of life. The key element to define IAP "adequate" seems the pathogen's antimicrobial susceptibility rather than its duration. Newborns exposed to an active antimicrobial (as frequently occurs with GBS infections), who remain asymptomatic in the first 6 h of life, are likely uninfected. Because E. coli isolates are often unsusceptible to beta-lactam antibiotics, IAP-exposed neonates frequently develop symptoms of EOS after birth, up to 48 h of life and beyond.
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The widespread use of intrapartum antibiotic prophylaxis (IAP) to prevent group B streptococcus (GBS) early-onset sepsis (EOS) is changing the epidemiology of EOS. Italian prospective area-based surveillance data (from 1 January 2016 to 31 December 2020) were used, from which we identified 64 cases of culture-proven EOS (E. coli, n = 39; GBS, n = 25) among 159,898 live births (annual incidence rates of 0.24 and 0.16 per 1000, respectively). Approximately 10% of E. coli isolates were resistant to both gentamicin and ampicillin. Five neonates died; among them, four were born very pre-term (E. coli, n = 3; GBS, n = 1) and one was born full-term (E. coli, n = 1). After adjustment for gestational age, IAP-exposed neonates had ≥95% lower risk of death, as compared to IAP-unexposed neonates, both in the whole cohort (OR 0.04, 95% CI 0.00-0.70; p = 0.03) and in the E. coli EOS cohort (OR 0.05, 95% CI 0.00-0.88; p = 0.04). In multi-variable logistic regression analysis, IAP was inversely associated with severe disease (OR = 0.12, 95% CI 0.02-0.76; p = 0.03). E. coli is now the leading pathogen in neonatal EOS, and its incidence is close to that of GBS in full-term neonates. IAP reduces the risk of severe disease and death. Importantly, approximately 10% of E. coli isolates causing EOS were found to be resistant to typical first-line antibiotics.
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In the first days after birth, a major focus of research is to identify infants with hypoxic-ischemic encephalopathy at higher risk of death or severe neurological impairment, despite therapeutic hypothermia (TH). This is especially crucial to consider redirection of care, according to neonatal outcome severity. We aimed to seek associations between some neonatal routine parameters, usually recorded in Neonatal Intensive Care Units, and the development of severe outcomes. All consecutive patients prospectively recruited for TH for perinatal asphyxia, born between February 2009 and July 2016, were eligible for this study. Severe outcome was defined as death or major neurological sequelae at one year of age. Among all eligible neonates, the final analysis included 83 patients. Severe outcome was significantly associated with pH and base excess measured in the first hour of life, mode of delivery, Apgar score, Sarnat and Sarnat score, electroencephalogram-confirmed neonatal epileptic seizures, and antiepileptic therapy. Studying univariate analysis by raw relative risk (RR) and 95% confidence intervals (CI), severe outcome was significantly associated with pH (p = 0.011), Apgar score (p = 0.003), Sarnat score (p < 0.001), and Caesarian section (p = 0.015). Conclusions. In addition to clinical examination, we suggest a clinical-electroencephalographic protocol useful to identify neonates at high neurological risk, available before rewarming from TH.
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Group B streptococcus (GBS) infection remains a leading cause of sepsis, pneumonia, and meningitis in infants. Rates of GBS early onset disease have declined following the widcespread use of intrapartum antibiotic prophylaxis; hence, late-onset infections (LOGBS) are currently a common presentation of neonatal GBS dicsease. The pathogenesis, mode of transmission, and risk factors associated with LOGBS are unclear, which interfere with effective prevention efforts. GBS may be transmitted from the mother to the infant at the time of delivery or during the postpartum period via contaminated breast milk, or as nosocomial or community-acquired infection. Maternal GBS colonization, prematurity, young maternal age, HIV exposure, and ethnicity (Black) are identified as risk factors for LOGBS disease; however, further studies are necessary to confirm additional risk factors, if any, for the implementation of effective prevention strategies. This narrative review discusses current and previous studies that have reported LOGBS. Few well-designed studies have described this condition; therefore, reliable assessment of maternal GBS colonization, breastfeeding, and twin delivery as risk factors for LOGBS remains limited.
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Riassunto. Descriviamo un caso di un neonato con un ginocchio congenito recurvato. Il neonato non aveva altre malformazioni. Il trattamento precoce con fisioterapia ha risolto il problema.
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OBJECTIVES: The primary objective of this study was to determine the bifidogenic effect of galacto-oligosaccharides (GOS) in a follow-on formula and the effects on other intestinal bacteria. Secondary objectives were the effects on stool characteristics, growth, and general well-being. PARTICIPANTS AND METHODS: In a multicenter, double-blind study, 159 healthy infants, formula-fed at enrollment (at 4-6 months), were randomized to an experimental follow-on formula supplemented with 5 g/L (GOS) (77 infants), or to a standard follow-on formula (control, 82 infants). Infants were evaluated at enrollment (study day 1 = sd1), after 6 weeks (study day 2 = sd2), and after an additional 12 weeks (study day 3 = sd3). At each study day, a fresh stool sample for the bacterial counts was collected, and the growth parameters were measured. At sd2, urinary specimens were collected for the evaluation of urinary osmolarity. RESULTS: At sd2 and sd3, the GOS group had a higher median number (colony-forming units per gram of stool) of bifidobacteria than did the control group (sd2 GOS 9.2 x 10(9) vs control 4.4 x 10(9), P = 0.012); (sd3 GOS 7.2 x 10(9) vs control 2.4 x 10(9), P = 0.027). Other bacteria did not show any significant differences between the 2 groups at all study days. The GOS produced softer stools but had no effect on stool frequency. The urinary osmolarity (mOsm/L) at sd2 was comparable in both groups. Supplementation had no influence on the incidence of gastrointestinal side effects or on the growth of the infants. CONCLUSIONS: These data indicate that the addition of GOS (5 g/L) to a follow-on formula positively influences the bifidobacteria flora and the stool consistency in infants during the supplementation period at weaning. No local or systemic side effects were recorded.
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Bifidobacterium/crescimento & desenvolvimento , Galactose/administração & dosagem , Fórmulas Infantis/administração & dosagem , Oligossacarídeos/administração & dosagem , Bifidobacterium/efeitos dos fármacos , Contagem de Colônia Microbiana , Método Duplo-Cego , Fezes/microbiologia , Feminino , Galactose/efeitos adversos , Humanos , Lactente , Intestinos/microbiologia , Masculino , Oligossacarídeos/efeitos adversos , Concentração Osmolar , Placebos , Urina , DesmameRESUMO
OBJECTIVE: To describe the natural course of intestinal failure with onset in the neonatal period to provide data regarding the occurrence and to provide a population-based survey regarding the spectrum of underlying diseases. STUDY DESIGN: We performed a retrospective chart review including infants admitted to the neonatal intensive care unit of 7 Italian tertiary care centers. Intestinal failure was defined as a primary intestinal disease that induces the need of total parenteral nutrition (PN) for more than 4 weeks or the need of partial PN for more than 3 months. RESULTS: The total number of live births during the study time within the enrolled institutions was 30 353, and the number of newborns admitted to the neonatal intensive care unit was 5088. Twenty-six patients satisfied the definition of intestinal failure; thus the occurrence rate of intestinal failure was 0.1% among live-birth newborns and 0.5% among infants at high risk. The main underlying diseases leading to intestinal failure in neonatal age were congenital intestinal defects (42.3%), necrotizing enterocolitis (30.8%), severe intestinal motility disorder (11.5%), intestinal obstruction (7.7%), structural enterocyte defects (3.8%), and meconium peritonitis (3.8%). After a follow-up of 36 months, 84.6% of patients achieved intestinal competence, 1 patient was still receiving home PN, 1 patient underwent transplantation, and 2 patients died. Cholestatic liver disease was diagnosed in 54% of observed children. CONCLUSION: An understanding of the incidence, causes, and natural history of intestinal failure would be helpful to appropriately allocate resources and to plan clinical trials.
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Enteropatias/diagnóstico , Enteropatias/epidemiologia , Enteropatias/patologia , Feminino , Humanos , Lactente , Recém-Nascido , Terapia Intensiva Neonatal , Itália , Masculino , Modelos Biológicos , Nutrição Parenteral , Estudos Retrospectivos , Risco , Síndrome do Intestino Curto/diagnóstico , Síndrome do Intestino Curto/patologia , Fatores de Tempo , Resultado do TratamentoRESUMO
It is now generally recognized that the intestinal microflora plays a key role for human health and well being. In fact, the gut ecosystem is involved in a number of biologic functions, such as direct and indirect antipathogen activity (nutritive competition, reduction of pH, production of short-chain fatty acids, maturation and protection of the mucosal barrier, etc), synthesis of vitamins, detoxification of potentially harmful substances, and maturation and regulation of the immune system. Weaning represents a crucial step in the development of the intestinal flora and, at the same time, corresponds to a very delicate phase of immunologic maturation. A safe and effective way to beneficially influence the intestinal microflora is the administration of prebiotics, which selectively promote the growth and/or activity of beneficial bacteria, such as bifidobacteria. Some of the studies, which investigated the microbiologic and clinical effectiveness of prebiotics have been conducted at weaning, reporting interesting results. Anyway, many of the promising beneficial effects evidenced still need to be confirmed by further large randomized trials.
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Bifidobacterium/metabolismo , Intestinos/microbiologia , Lactobacillus/metabolismo , Oligossacarídeos/administração & dosagem , Oligossacarídeos/química , Desmame , Animais , Bifidobacterium/crescimento & desenvolvimento , Humanos , Recém-Nascido , Intestinos/imunologia , Lactobacillus/crescimento & desenvolvimentoRESUMO
AIM: To assess the prevalence of celiac disease (CD) serological markers in a cohort of patients referred to an Italian rheumatological outpatient clinic. BACKGROUND: Current guidelines do not suggest CD screening in patients with rheumatological diseases and these subjects are not considered to be at high risk for CD. METHODS: A total of 230 sera of rheumatological patients referred to the Division of Internal Medicine at the Department of Medical and Surgical Sciences between January 2005 and December 2013 were screened for CD by testing IgA antitransglutaminase (TTG IgA), IgG deamidated gliadin peptides (DGP IgG) and IgA antiendomysium (EMA) antibodies. Of the 230 patients tested, 67 had a diagnosis of rheumatoid arthritis (RA), 52 Sjögren's syndrome (SjS), 42 systemic sclerosis (SCL), 35 systemic lupus erythematosus (SLE), 15 mixed connective tissue disease, 11 polymyositis and 10 dermatomyositis. RESULTS: TTG IgA antibodies were identified in 7/230 cases (3%), 3 in SjS (3/42 - 5.8%), 2 in SCL (2/42 - 4.8%), 1 in RA (1/67 - 1.5%) and 1 in SLE sera (1/35 - 2.8%). All the seven sera were also positive for DGP IgG and EMA IgA. DGP IgG were the most frequent antibody detected, being found in 16 (7%) sera. CONCLUSION: This study identified a high prevalence of CD antibodies in adult patients referred to a rheumatology outpatient clinic. These results highlight the importance of CD screening in subjects presenting with rheumatological features.
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Survival rates for very low birth weight (VLBW) and extremely low birth weight infants have substantially increased during the past few decades. Most of these infants pose new and difficult problems related in particular to neurodevelopmental outcome and growth impairment. In fact, a high percentage of very low birth weight infants fail to achieve their growth potential and experience postnatal growth restriction. Because of this in-hospital growth failure and nutrient deficits, correct nutritional intervention after hospital discharge must be instituted to avoid postnatal malnutrition and to correct the acquired deficit. Nutrient-enriched formulas for several months after discharge have shown some benefits, although their clinical value remains unclear. Weaning, which certainly represents a relevant source of nutrients for the preterm infant, has attracted little attention until now. There are no precise guidelines on this topic, and too often weaning practices are left totally to the parents, without considering the specific nutritional needs of the single infant.
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Fórmulas Infantis , Recém-Nascido Prematuro , Recém-Nascido de muito Baixo Peso , Desmame , Humanos , Lactente , Alimentos Infantis , Recém-Nascido , Recém-Nascido Prematuro/crescimento & desenvolvimento , Recém-Nascido Prematuro/fisiologia , Recém-Nascido de muito Baixo Peso/crescimento & desenvolvimento , Recém-Nascido de muito Baixo Peso/fisiologia , Necessidades Nutricionais , Alta do PacienteRESUMO
BACKGROUND: There are no evidence-based guidelines for weaning preterm infants, and the timing of weaning and the diet offered tend to reflect tradition and marketing rather than medical advice. PROCEDURES: In a survey of complementary feeding practices in preterm infants conducted at the University Hospital of Ferrara, Italy, we evaluated the effect of sex, gestational age (GA), birth weight (BW), and milk feeding, and of the mother's age, education, and professional status, on weaning. RESULTS: Complete data were available for 156 infants. Solid food was introduced, on average, 22.2 weeks after birth and 15.1 weeks after term; 6.5% of infants (considering chronological age) and 60.9% (considering corrected age) were weaned before 4 months; 18% of infants weighed <5 kg at weaning (most had low GA and BW). Among maternal factors, only age significantly influenced the weaning schedule. Milk feeding did not affect initiation of weaning; however, formula-fed infants, most of whom had lower GA and BW, were lighter and younger (from term) than were their counterparts. The first solid food was mashed fruit in 46.8% of cases. Meat and gluten were offered 5 and 7 weeks (average) after the initiation of weaning. CONCLUSIONS: A matter of concern emerging from our study is that in almost 50% of cases, the first solid food offered to infants is low in energy density, and its protein, iron, and zinc content is negligible. It is evident that despite the lack of a general consensus, mothers of preterm babies should receive customized instructions from family pediatricians and health caregivers about weaning.
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Alimentos Infantis , Recém-Nascido Prematuro , Desmame , Adulto , Aleitamento Materno , Estudos de Coortes , Coleta de Dados , Feminino , Humanos , Lactente , Fórmulas Infantis , Recém-Nascido , Itália , Masculino , Adulto JovemRESUMO
Preterm birth still results in a high number of neurodevelopmental sequelae, although major forms of brain lesions--such as periventricular leukomalacia and intraventricular hemorrhage--are significantly reduced in this population of babies compared with a few years ago. This paper focuses on the possible reasons for this phenomenon. Some brain lesions, such as those affecting the periventricular white matter and the cerebellum, may be underestimated if magnetic resonance imaging is not used. In addition, a functional neurological consequence is not necessarily due to a recognized brain lesion, but may simply derive from an abnormally or suboptimally developed brain structure. The quality of nutrition given to a preterm baby could play a crucial role in such cases. In fact, nutrition is known to affect brain function; a case in point is the improvement in visual function resulting from dietary essential fatty acids. Finally, research in this area should aim at both reducing potential hazards and improving the quality of perinatal care, including the quality of nutrition.
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Encéfalo/crescimento & desenvolvimento , Encéfalo/patologia , Recém-Nascido Prematuro/crescimento & desenvolvimento , Encefalopatias/etiologia , Encefalopatias/patologia , Humanos , Lactente , Recém-Nascido , Estado NutricionalRESUMO
Optimal early nutritional support is considered a crucial issue in the care of the preterm infant, particularly of those with very low- or extremely low-brithweight. Unfortunately, this goal is seldom satisfactorily attained. Several conditions such as hypoxia, acidosis, patent ductus arteriosus, drug therapy, reduced intestinal motility may interfere with an adequate nutritional delivery in the early neonatal period. Moreover, there is still concern about metabolic and intestinal tolerance of the currently suggested intakes and a lack of uniformity in the nutritional program among different NICUs. Finally, the vast majority of the available preterm formulas are not fully adequate to the real nutritional needs of these infants. Inadequate protein content and inappropriate protein energy ratio of most preterm formulas represent a matter of major concern, since there is a strict relationship between formula composition and the quantity and quality of weight gain. As a consequence there is a need of at least two milk formulas for different preterm infants: one for LBW and VLBW infants, the other for preterm infants weighing >1500 g.
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Ingestão de Energia , Fórmulas Infantis/química , Proteínas/análise , Humanos , Lactente , Recém-Nascido , Recém-Nascido Prematuro , Recém-Nascido de muito Baixo Peso , Distúrbios Nutricionais/fisiopatologia , Distúrbios Nutricionais/terapia , Necessidades NutricionaisRESUMO
UNLABELLED: The present review summarizes clinical and experimental data concerning the possible effects of a prebiotic mixture of short-chain galacto-oligosaccharides and long-chain fructo-oligosaccharides. The results from several studies, made up of over 400 preterm and term infants, clearly demonstrate that the prebiotic mixture under examination specifically stimulates the growth of bifidobacteria and lactobacilli and reduces the growth of pathogens. As a consequence of the changed intestinal flora by the dietary galacto-oligosaccharides and fructo-oligosaccharides, the faecal pH values and the short-chain fatty acid pattern were similar to those found in breastfed infants. In addition, the stool consistency was the same as in breastfed infants. In vitro experiments have demonstrated that the specific short-chain fatty acid pattern, at a pH similar to that found in faecal samples of breastfed infants, reduces the growth of pathogens in a dose-dependent manner but does not influence the growth of bifidobacteria and lactobacilli. In an animal vaccination model, the prebiotic mixture improved the response to vaccination. In an allergy model (sensitization by ovalbumin), the allergic reaction was reduced by the prebiotic mixture. The data obtained from animal experiments are in agreement with preliminary data from clinical trials which indicate a reduced allergic response (reduced plasma IgE/IgG4 ratio) and reduced episodes of upper airway infection during the first year of life. CONCLUSION: Experimental evidence demonstrates that the prebiotic mixture employed in these studies modulates the intestinal flora and modulates the immune system as human milk does. There are sufficient experimental data to put forward the hypothesis that substances like the prebiotic mixture under study will substantially contribute to the improvement of the protective properties of infant formulas.
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Alimentos Formulados , Fórmulas Infantis/química , Fenômenos Fisiológicos da Nutrição do Lactente/fisiologia , Oligossacarídeos/análise , Probióticos/análise , Fezes/química , Humanos , Concentração de Íons de Hidrogênio , Lactente , Mucosa Intestinal/metabolismo , Mucosa Intestinal/microbiologia , Probióticos/farmacocinéticaRESUMO
UNLABELLED: Human milk oligosaccharides are not digested during intestinal passage and can be detected in stools. In this study it was investigated whether a prebiotic mixture of low-molecular-weight galacto-oligosaccharides (GOS) and high-molecular-weight fructo-oligosaccharides (FOS) can be detected in stool samples of formula-fed infants. The test formula was supplemented with 0.8 g/dl oligosaccharides (GOS+FOS). In the control formula, maltodextrins were used as placebo. Fecal flora was assessed at the beginning (day 1) and at the end of a 28-d feeding period (day 2). At day 2 the content of galacto- and fructo-oligosaccharides in the stool samples were measured. On study day 1, the number of bifidobacteria was not different among the groups (supplemented group: 7.7 (6.2) CFU/g; placebo group: 8.0 (6.0) CFU/g). At the end of the 28-d feeding period, the number of bifidobacteria was significantly higher in the group fed the supplemented formula when compared to placebo (supplemented group: 9.8 (0.7) CFU/g stool; placebo group: 7.1 (4.7) CFU/g stool; p<0.001). In all infants fed the supplemented formula, GOS and FOS could be identified in the stool samples. That was not the case in infants fed the non-supplemented formula. CONCLUSION: The present data confirm the bifidogenicity of oligosaccharides and indicate that dietary galacto-oligosaccharides and long chain fructo-oligosaccharides remain during the whole passage in the lumen of the gastrointestinal tract, similarly to human milk oligosaccharides.
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Fezes/química , Fórmulas Infantis/química , Fenômenos Fisiológicos da Nutrição do Lactente/fisiologia , Oligossacarídeos/análise , Antropometria , Idade Gestacional , Humanos , LactenteRESUMO
BACKGROUND: Recently, rice-based formulas have been widely used in hypoallergenic diets, but data on nutritional values are scarce. AIM: To evaluate the growth of infants fed with a rice-based hydrolysate formula, compared to those infants fed with a soy formula or an extensively hydrolysed casein formula, in the first 2 y of life. METHODS: A total of 88 infants were enrolled between March 2002 and March 2004. Fifty-eight infants with atopic dermatitis (AD) and cow's milk allergy (CMA), confirmed by open challenge, were enrolled as study group: 15 were fed with a rice-based hydrolysate formula (RHF), 17 with a soy-based formula (SF) and 26 with an extensively hydrolysed casein formula (eHCF). Thirty infants with AD without cow's milk allergy were recruited as a control group (CG) and fed with a free diet. Weight was recorded on enrolment and at 3-monthly intervals in the first year of life, and at 6-monthly intervals in the second year. Infants were weighed naked, before feeding, by means of an electronic integrating scale. The z-scores of weight for age were calculated. STATISTICS: One-way analysis of variance and Student's t-test were used for statistical comparison. Significance was set at p<0.05. RESULTS: No significant differences between the RHF, SF and eHCF groups were observed for the z-score of weight for age during the first 2 y of life, but a significantly lower difference was seen in the RHF group compared to the control group in the intervals 9 mo-1 y (p=0.025) and 1-1.5 y (p=0.020) of age. In contrast, the SF and eHCF groups were comparable to the control group, but the eHCF group was significantly lower (p=0) in the first trimester of life. CONCLUSION: Even if our findings show no significant difference between RHF and control, low weight observed in infants fed with RHF raises doubts about the nutritional adequacy of rice-hydrolysate formulas.
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Alérgenos/análise , Peso Corporal , Dermatite Atópica/imunologia , Fórmulas Infantis/química , Hipersensibilidade a Leite/imunologia , Leite/química , Proteínas de Plantas/análise , Hidrolisados de Proteína/análise , Projetos de Pesquisa/estatística & dados numéricos , Animais , Antígenos de Plantas , Caseínas/análise , Bovinos , Pré-Escolar , Ingestão de Energia , Humanos , Lactente , Recém-NascidoRESUMO
UNLABELLED: A study was carried out on 168 full-term infants with digestive problems such as regurgitation and/or constipation to evaluate the efficacy of new infant formulas containing partially hydrolysed whey protein, modified vegetable oil with a high beta-palmitic acid content, prebiotic oligosaccharides and starch. Infants receiving the new formulas had an increase in stool frequency of 0.60 between day 1 and day 7 (95% CI 0.19-1.01; p=0.004) and 0.53 (95% CI 0.11-0.90; p=0.015) between day 7 and day 14. A reduction of 1.06 in the number of regurgitation episodes was reported between day 1 and day 7 (95% CI 0.24-1.88; p=0.012) and 1.31 (95% CI 0.42-2.21; p=0.005) between day 7 and day 14. CONCLUSION: A prebiotic mixture of galacto-/fructo-oligosaccharides with a high beta-palmitic acid content may reduce digestive problems and improve intestinal tolerance in infants during the first months of life.
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Gastroenteropatias/terapia , Fenômenos Fisiológicos da Nutrição do Lactente/fisiologia , Carboidratos/análise , Ingestão de Energia , Feminino , Refluxo Gastroesofágico/prevenção & controle , Gastroenteropatias/prevenção & controle , Idade Gestacional , Humanos , Fórmulas Infantis , Recém-Nascido , Masculino , Apoio NutricionalRESUMO
[This corrects the article DOI: 10.1155/2015/591783.].
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Multiple mutations of surfactant genes causing surfactant dysfunction have been described. Surfactant protein C (SP-C) deficiency is associated with variable clinical manifestations ranging from neonatal respiratory distress syndrome to lethal lung disease. We present an extremely low birth weight male infant with an unusual course of respiratory distress syndrome associated with two mutations in the SFTPC gene: C43-7G>A and 12T>A. He required mechanical ventilation for 26 days and was treated with 5 subsequent doses of surfactant with temporary and short-term efficacy. He was discharged at 37 weeks of postconceptional age without any respiratory support. During the first 16 months of life he developed five respiratory infections that did not require hospitalization. Conclusion. This mild course in our patient with two mutations is peculiar because the outcome in patients with a single SFTPC mutation is usually poor.