Publications by authors named "Francesco M Risso"

Background: In the pediatric setting, the procurement of vascular access can be particularly difficult. Surgical venolysis was the first technique described but, in recent years, the literature has shown that ultrasound-guided implantation has fewer complications. The principal aim of this paper is to state how after a structured training to place ultrasound-guided central lines, venolysis was definitively abandoned in our hospital.

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Central nervous system infections are among the most severe infectious conditions in the neonatal period and are still burdened by significant mortality, especially in preterm infants and those with a low birth weight or other comorbidities. In this study, we examined the role of fosfomycin-containing antibiotic regimens in neonates with central nervous system infections. We included six neonates over a period of five years: four with meningitis and two with cerebral abscesses.

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  • Inadequate lung fluid clearance is crucial in the development of transient tachypnea of the newborn (TTN), and the study aims to see if left ventricular diastolic dysfunction affects this process.
  • The study involved 27 neonates with TTN compared to 27 controls, using echocardiography and lung ultrasounds to assess heart and lung function over different time periods after birth.
  • Results showed that neonates with TTN had significantly lower left atrial strain reservoir (LASr) measurements, indicating diastolic dysfunction, which may hinder lung fluid clearance, suggesting that monitoring LASr could help predict the need for respiratory support.
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Retinopathy of prematurity (ROP) and necrotising enterocolitis (NEC) are complications of prematurity. Despite being quite different in terms of incidence, pathogenesis and consequences, both share a pathogenic role of aberrant vascularisation: increased in ROP, deficient for NEC. Current therapy for ROP includes the use of anti-vascular endothelial growth factor (anti-VEGF) agents, which are able to interrupt retinal hypervascularity.

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  • The study investigates bronchiolitis-related hospitalizations in infants from Sept 2018 to March 2023 across six Italian hospitals, noting a significant rebound in cases post-COVID-19 lockdowns.
  • In the winter of 2022-2023, there were 953 hospitalizations, a 70% increase from the previous year, with longer hospital stays and more patients needing invasive respiratory support.
  • Coinfections also rose, highlighted by a prevalence of 42% this winter, indicating a trend towards more severe bronchiolitis cases compared to the past five years.
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Neonatologist Performed Echocardiography (NPE) is one of the emerging technologies used to evaluate Systemic Blood Flow (SBF) in term and preterm infants. Right Ventricular Output (RVO) can assess SBF correctly in the absence of significant interatrial or interventricular shunts, even in the presence of a large patent ductus arteriosus (PDA), but only few studies evaluated inter-observer variability in neonates. Furthermore, measuring pulmonary peak flow (PF) provides a simple screening tool for low SBF state, easier and faster to perform than RVO; no previous studies evaluated PF inter-observer variability.

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  • * A study was conducted to investigate the production of melatonin (ME) in very preterm infants, the metabolism of ME after oral treatment, and the impact on MDA concentrations over 15 days.
  • * Results showed that while preterm infants couldn't produce measurable levels of ME initially, those who received ME treatment had significant increases in ME and its metabolite 6-OH-ME, but MDA levels remained relatively stable with a slight trend towards improvement in the ME group.
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Objectives: The primary outcomes of this study were to evaluate the diameters of the inferior vena cava (IVC) in a cohort of newborns and the correlation between newborn weight and IVC diameter. The secondary outcome was to evaluate the concordance between the measurements performed by the two investigators.

Methods: Two blind examiners performed an ultrasonographic (US) evaluation of the IVC diameter in neonates with a weight ranging from 2 to 4 kg.

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Background: The management of respiratory distress syndrome (RDS) in premature newborns is based on different types of non-invasive respiratory support and on surfactant replacement therapy (SRT) to avoid mechanical ventilation as it may eventually result in lung damage. European guidelines currently recommend SRT only when the fraction of inspired oxygen (FiO) exceeds 0.30.

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Objectives: To evaluate the rate of postnatal infection during the first month of life in neonates born to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-positive mothers during the predominant circulation of the omicron (B.1.1.

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Background: Chest-to-arm (CTA) tunneling technique has been described recently as an alternative option to exit site of the catheter in the infraclavicular area.

Method: We report our experience with ultrasound-guided centrally inserted central catheters (CICCs) placed using CTA tunneling in six neonates. All central venous catheters were positioned with ultrasound guidance and real-time tip location.

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Unlabelled: After the SARS-CoV-2 pandemic, we noticed a marked increase in high-flow nasal cannula use for bronchiolitis. This study aims to report the percentage of children treated with high-flow nasal cannula (HFNC) in various seasons. The secondary outcomes were admissions for bronchiolitis, virological results, hospital burden, and NICU/PICU need.

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Objectives: To investigate the association between chorionicity, birth weight discordance and neonatal morbidity in uncomplicated twin pregnancies progressing to at least 36 weeks of gestation.

Study Design: This was a retrospective single centre cohort study of all twin pregnancies referred to our twin clinic between 2011 and 2018. Outcome details were obtained from the computerized maternity and neonatal records.

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Introduction: Non-critically ill neonates at times require venous access to provide peripherally compatible infusions for a limited period (more than 3 days). In such a situation, short peripheral cannulas are not appropriate as their average duration is about 2 days, while-on the other hand-epicutaneous-caval catheters may be too invasive. In these patients, insertion of long peripheral cannulas may be an effective option.

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Objective: This study aimed to evaluate if adaptive responses of very preterm newborns to neonatal intensive care unit (NICU) daily nursing, specifically bathing and weighing procedures are associated with their neurodevelopment after 2 years.

Study Design: Twenty-six very preterm newborns, with a gestational age <32 weeks, were enrolled. Infants' adaptive responses to daily nursing were evaluated, at 30 to 32 to 35 postmenstrual age (PMA) weeks by an observational sheet.

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  • The study aimed to assess the prevalence of SARS-CoV-2 infection in children through IgG antibody detection, addressing the lack of data on the impact of COVID-19 in the pediatric population.
  • Conducted in January 2021 at a pediatric research institute in Italy, the study analyzed blood samples from 169 patients, revealing a 9.5% seroprevalence of anti-SARS-CoV-2 antibodies.
  • The findings indicated a correlation between having an infected cohabitant and IgG positivity, highlighting a significant increase in antibody prevalence compared to previous data from July 2020.
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  • * Researchers analyzed nasal swabs from preterm infants at birth and during their stay in the Neonatal Intensive Care Unit (NICU), noting a higher presence of environmental microorganisms associated with HAIs after 13 days in the hospital.
  • * The study also found that resistance genes absent at birth emerged and increased in the NICU, indicating a potential transfer of hospital microbes to newborns, emphasizing the need for environmental microbial monitoring to reduce colonization risks.
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Objective: To evaluate whether in a historical cohort of preterm infants, body composition at term equivalent age (TEA) correlated with Bayley scores at 2 years of corrected age.

Study Design: Ninety-five preterm babies were admitted to our neonatal intensive unit and underwent air-displacement plethysmography assessment at TEA. Of these, 74 completed Bayley tests at 2 years.

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Late fetal growth restriction has increasingly gain interest. Differently from early fetal growth restriction, the severity of this condition and the impact on perinatal mortality and morbidity is less severe. Nevertheless, there is some evidence to suggest that fetuses exposed to growth restriction late in pregnancy are at increased risk of neurological dysfunction and behavioral impairment.

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There is growing literature about the SARS-CoV-2 pathogenetic effects exerted during pregnancy and whether vertical transmission or premature birth is possible. It is not well known whether changes in the immune system of pregnant women may lead to a marked susceptibility to infectious processes and the risk of adverse maternal and neonatal complications such as preterm birth, spontaneous abortion, hospitalization in an intensive care unit, transmission to the fetus or newborns, and fetal mortality are poorly understood. Along with this ongoing debate, it is not well defined whether, during pregnancy, the role of host susceptibility in producing a specific inflammatory response to SARS-CoV-2 may represent distinctive markers of risk of vertical transmission.

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