148 research outputs found
Culti e Scelta Razionale. Critica al modello di mercato nelle scelte religiose
The article reviews the critical issues related to the application of the Rational Choice Theory to the religious sphere, as suggested by the Theory of Religious Economy. Psychological and computational difficulties are evaluated together with those linked to the endogenous change of preferences and the social aspects of rationality. Therefore, the problematic aspects internal to the market paradigm in the religious field are highlighted. These aspects are very important, given the use of the Theory of Religious Economy that is made by some "cult apologists"
Predischarge cerebral oxygenation and psychomotor outcome in very preterm infants: is there an association?
This observational study aimed to investigate whether predischarge cerebral oxygenation (CrSO2), monitored by near-infrared spectroscopy, correlates with later psychomotor outcome in very preterm infants. Infants <32 weeks' gestation or <1500 g without evidence of major brain lesions underwent a 3-h continuous CrSO2 monitoring before hospital discharge. Psychomotor development was assessed at 6, 12, 18, and 24 months using the Griffiths Mental Developmental Scales. The developmental quotients (DQ) at each follow-up appointment were correlated with predischarge CrSO2. Significant correlations were adjusted for possible confounders. Sixty-three infants were enrolled. A significant correlation between CrSO2 and DQ was observed at 6 months ca (p=0.010), but not at later psychomotor assessments. This correlation was confirmed significant (b=0.274, p=0.038) even after the adjustment for relevant covariates.Conclusion: According to these preliminary findings, the association between predischarge CrSO2 and psychomotor development over the first 24 months in preterm infants without major brain lesions is time-limited. Hence, this parameter may not represent an effective predictor for medium-term neurodevelopment
Free Radicals and Neonatal Brain Injury: From Underlying Pathophysiology to Antioxidant Treatment Perspectives
: Free radicals play a role of paramount importance in the development of neonatal brain injury. Depending on the pathophysiological mechanisms underlying free radical overproduction and upon specific neonatal characteristics, such as the GA-dependent maturation of antioxidant defenses and of cerebrovascular autoregulation, different profiles of injury have been identified. The growing evidence on the detrimental effects of free radicals on the brain tissue has led to discover not only potential biomarkers for oxidative damage, but also possible neuroprotective therapeutic approaches targeting oxidative stress. While a more extensive validation of free radical biomarkers is required before considering their use in routine neonatal practice, two important treatments endowed with antioxidant properties, such as therapeutic hypothermia and magnesium sulfate, have become part of the standard of care to reduce the risk of neonatal brain injury, and other promising therapeutic strategies are being tested in clinical trials. The implementation of currently available evidence is crucial to optimize neonatal neuroprotection and to develop individualized diagnostic and therapeutic approaches addressing oxidative brain injury, with the final aim of improving the neurological outcome of this population
A scoping review of echocardiographic and lung ultrasound biomarkers of bronchopulmonary dysplasia in preterm infants
Despite recent improvements in neonatal care, moderate to severe bronchopulmonary dysplasia (BPD) is still associated with high mortality and with an increased risk of developing pulmonary hypertension (PH). This scoping review provides an updated overview of echocardiographic and lung ultrasound biomarkers associated with BPD and PH, and the parameters that may prognosticate their development and severity, which could be clinically helpful to undertake preventive strategies. A literature search for published clinical studies was conducted in PubMed using MeSH terms, free-text words, and their combinations obtained through appropriate Boolean operators. It was found that the echocardiography biomarkers for BPD, and especially those assessing right ventricular function, are reflective of the high pulmonary vascular resistance and PH, indicating a strong interplay between heart and lung pathophysiology; however, early assessment (e.g., during the first 1-2 weeks of life) may not successfully predict later BPD development. Lung ultrasound indicating poor lung aeration at day 7 after birth has been reported to be highly predictive of later development of BPD at 36 weeks' postmenstrual age. Evidence of PH in BPD infants increases risk of mortality and long-term PH; hence, routine PH surveillance in all at risk preterm infants at 36 weeks, including an echocardiographic assessment, may provide useful information. Progress has been made in identifying the echocardiographic parameters on day 7 and 14 to predict later development of pulmonary hypertension. More studies on sonographic markers, and especially on echocardiographic parameters, are needed for the validation of the currently proposed parameters and the timing of assessment before recommendations can be made for the routine clinical practice
Early-life gut microbiota and neurodevelopment in preterm infants: a narrative review
Infants born preterm are at a high risk of both gut microbiota (GM) dysbiosis
and neurodevelopmental impairment. While the link between early dysbiosis
and short-term clinical outcomes is well established, the relationship with longterm infant health has only recently gained interest. Notably, there is a significant overlap in the developmental windows of GM and the nervous system in early life. The connection between GM and neurodevelopment was first described in animal models, but over the last decade a growing body of research has also identified GM features as one of the potential mediators for human neurodevelopmental and neuropsychiatric disorders. In this narrative review, we provide an overview of the developing GM in early life and its prospective relationship with neurodevelopment, with a focus on preterm infants. Animal models have provided evidence for emerging pathways linking early-life GM with brain development. Furthermore, a relationship between both dynamic patterns and static features of the GM during preterm infants’ early life and brain maturation, as well as neurodevelopmental outcomes in early childhood, was documented.
Future human studies in larger cohorts, integrated with studies on animal models, may provide additional evidence and help to identify predictive biomarkers and potential therapeutic targets for healthy neurodevelopment in preterm infants
Probiotics for Preventing Necrotizing Enterocolitis in Preterm Infants: A Network Meta-Analysis
Background: Recent evidence supports a role of probiotics in preventing necrotizing
enterocolitis (NEC) in preterm infants. Methods: A systematic review and network meta-analysis of
randomized controlled trials (RCTs) on the role of probiotics in preventing NEC in preterm infants,
focusing on the differential effect of type of feeding, was performed following the Preferred Reporting
Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. A random-effects model
was used; a subgroup analysis on exclusively human milk (HM)-fed infants vs. infants receiving
formula (alone or with HM) was performed. Results: Fifty-one trials were included (10,664 infants,
29 probiotic interventions); 31 studies (19 different probiotic regimens) were suitable for subgroup
analysis according to feeding. In the overall analysis, Lactobacillus acidophilus LB revealed the most
promising effect for reducing NEC risk (odds ratio (OR), 0.03; 95% credible intervals (CrIs), 0.00\u20130.21).
The subgroup analysis showed that Bifidobacterium lactis Bb-12/B94 was associated with a reduced
risk of NEC stage 2 in both feeding type populations, with a discrepancy in the relative effect
size in favour of exclusively HM-fed infants (OR 0.04; 95% CrIs <0.01\u20130.49 vs. OR 0.32; 95% CrIs
0.10\u20130.36). Conclusions: B. lactis Bb-12/B94 could reduce NEC risk with a different size effect
according to feeding type. Of note, most probiotic strains are evaluated in few trials and relatively
small populations, and outcome data according to feeding type are not available for all RCTs. Further
trials are needed to confirm the present findings
Respiratory syncytial virus infection in infants and correlation with meteorological factors and air pollutants
BACKGROUND: Respiratory Syncytial Virus (RSV) is the most important cause of severe respiratory infections in infants with seasonal epidemics. Environmental factors (temperature, humidity, air pollution) could influence RSV epidemics through their effects on virus activity and diffusion. METHODS: We conducted a retrospective study on a paediatric population who referred to our Paediatric Emergency Unit in order to analyze the correlation between weekly incidence of RSV positive cases during winter season in Bologna and meteorological factors and air pollutants concentration. RESULTS: We observed a significant correlation between the incidence of RSV infections and the mean minimum temperature registered during the same week and the previous weeks. The weekly number of RSV positive cases was also correlated to the mean PM(10) concentration of the week before. CONCLUSIONS: RSV epidemic trend in Bologna (Italy) is related to the mean minimum temperature, and the mean PM(10) concentration
2300. Neonates born to mothers with SARS-CoV-2 infection in pregnancy: a follow-up and serological study
Abstract
Background
To evaluate the early and late clinical outcomes of neonates born to mothers with SARS-CoV-2 infection in pregnancy, the dynamics of maternal IgG trans placental transfer and its persistence during the first month of life.
Methods
Prospective study enrolling neonates born to mothers with SARS-CoV-2 infection in pregnancy at IRCCS Azienda Ospedaliero Universitaria di Bologna, Italy, between April 2020 and September 2021. Neonates born to women with infection onset before 2 weeks prior to delivery were enrolled in a 12-month follow-up, including clinical and laboratory evaluations, cranial ultrasound, fundoscopy evaluation. Quantitative IgG to S1/S2 subunits of spike protein were assessed in mother-neonate dyads within 48 hours post-delivery and during follow-up until negative. Transplacental IgG transfer ratio was assessed in relation to the type and trimester of maternal infection.
Results
One hundred and forty-five neonates were included. the rate of preterm delivery was similar between women with and without SARS-CoV-2 infection (6.2% versus 8.7%, P=0.53). No clinical, laboratory, cerebral and fundoscopy abnormalities were detected at birth or during follow-up, through 11 months (range 8–12). MedianIgG level at birth was not different between neonates born to asymptomatic or symptomatic mothers (18.5 AU/mL, IQR 12–49, versus 31.5 AU/mL, IQR 15–71, P=0.07) nor in relation to the trimester of maternal infection (Table 1), even though mothers with third trimester infections had higher IgG level at birth. Transplacental transfer ratio was higher following second trimester maternal infections and was the lowest following third trimester infections (Table 1). Maternally derived IgG were rapidly weaned, with most infants (115/140, 82%) seronegative by 4 months of age.
Conclusion
Early and later outcomes of infants born to SARS-CoV-2 infected mothers were favorable. IgG trans placental transfer was higher following second trimester maternal infections, which could be relevant to inform studies on appropriate vaccination strategies aimed at neonatal protection. Maternally derived IgG are rapidly weaned in the first months of life.
Disclosures
All Authors: No reported disclosures
Perinatal outcomes in twin late preterm pregnancies: results from an Italian area-based, prospective cohort study
Background Multiple gestations represent a considerable proportion of pregnancies delivering in the late preterm (LP) period. Only 30% of LP twins are due to spontaneous preterm labor and 70% are medically indicated; among this literature described that 16-50% of indicated LP twin deliveries are non-evidence based. As non-evidence-based delivery indications account for iatrogenic morbidity that could be prevented, the objective of our observational study is to investigate first neonatal outcomes of LP twin pregnancies according to gestational age at delivery, chorionicity and delivery indication, then non evidence-based delivery indications. Methods Prospective cohort study among twins infants born between 34 + 0 and 36 + 6 weeks, in Emilia Romagna, Italy, during 2013-2015. The primary outcome was a composite of adverse perinatal outcomes. Results Among 346 LP twins, 84 (23.4%) were monochorionic and 262 (75.7%) were dichorionic; spontaneous preterm labor accounted for 85 (24.6%) deliveries, preterm prelabor rupture of membranes for 66 (19.1%), evidence based indicated deliveries were 117 (33.8%), while non-evidence-based indications were 78 (22.5%). When compared to spontaneous preterm labor or preterm prelabor rupture of membranes, pregnancies delivered due to maternal and/or fetal indications were associated with higher maternal age (p < 0.01), higher gestational age at delivery (p < 0.01), Caucasian race (p 0.04), ART use (p < 0.01), gestational diabetes (p < 0.01), vaginal bleeding (p < 0.01), antenatal corticosteroids (p < 0.01), diagnosis of fetal growth restriction (FGR) (p < 0.01), and monochorionic (p < 0.01). Two hundred twenty-six pregnancies (65.3%) had at least one fetus experiencing one composite of adverse perinatal outcome. Multivariate analysis confirmed that delivery indication did not affect the composite of adverse perinatal outcomes; the only characteristic that affect the outcome after controlling for confounding was gestational age at delivery (p < 0.01). Moreover, there was at least one adverse neonatal outcome for 94% of babies born at 34 weeks, for 73% of those born at 35 weeks and for 46% of those born at 36 weeks (p < 0.01). Conclusion Our study suggests that the decision to deliver or not twins in LP period should consider gestational age at delivery as the main determinant infants' prognosis. Delivery indications should be accurately considered, to avoid iatrogenic early birth responsible of preventable complications
Altered intracellular ATP production by activated CD4+ T-cells in very preterm infants
Background. The neonatal immune system is not fully developed at birth; newborns have adequate lymphocytes counts but these cells lack function. Objective. To assess the activity of T-cells and the influence of the main perinatal factors in very preterm infants (birth weight < 1500 g). Design. Blood samples from 59 preterm infants (21/59 were dizygotic twins) were collected at birth and at 30 days of life to measure CD4+ T-cell activity using the ImmuKnow\u2122 assay. Fifteen healthy adults were included as a control group. Results. CD4+ T-cell activity was lower in VLBW infants compared with adults (p<0.001). Twins showed lower immune activity compared to singletons (p=0.005). Infants born vaginally showed higher CD4+ T-cell activity compared to those born by C-section (p=0.031); infants born after prolonged Premature Rupture of Membranes (pPROM) showed higher CD4+ T-cell activity at birth (p=0.002) compared to infants born without pPROM. Low CD4+ T-cell activity at birth is associated with necrotizing enterocolitis (NEC) in the first week of life (p=0.049). Conclusions. Preterm infants show a lack in CD4+ T-cell activity at birth. Perinatal factors such as intrauterine inflammation, mode of delivery, and zygosity can influence the adaptive immune activation capacity at birth and can contribute to exposing these infants to serious complications such as NEC
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