989 results match your criteria: "Meyer Children's University Hospital.[Affiliation]"

Performance evaluation of the LIOFeron®TB/LTBI IGRA for screening of paediatric LTBI and tuberculosis.

Eur J Pediatr

January 2025

Infectious Diseases Unit, Department of Health Sciences, Anna Meyer Children's University Hospital, University of Florence, Florence, Italy.

Purpose: High-accuracy diagnostic screening tests for Mycobacterium tuberculosis (MTB) infection are required, primarily to detect patients with latent infections (LTBIs) in order to avoid their progression to active tuberculosis disease. The performance of the novel IGRA LIOFeron®TB/LTBI was evaluated in children. The originality of this test is the new MTB antigen contained (L-alanine dehydrogenase), identified as a tool to differentiate active TB from LTBI infection.

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Background: Fever is a common symptom in children, but despite existing guidelines, pediatricians may not fully apply recommendations. Fever of Unknown Origin (FUO) is generally referred to as an unexplained prolonged fever. However, a standardized FUO definition and management is missing.

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Sore throat represents one of the main causes of antibiotic overprescription in children. Its management is still a matter of debate, with countries considering streptococcal pharyngotonsillitis a benign and self-limiting condition and others advocating for its antibiotic treatment to prevent suppurative complications and acute rheumatic fever. Italian paediatricians frequently prescribe antibiotics on a clinical basis regardless of microbiological results.

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Article Synopsis
  • A survey was conducted among 32 senior clinicians across 20 European countries to understand current practices in postnatal prophylaxis (PNP) and infant feeding guidelines.
  • Twenty-three clinicians responded, revealing that all countries use risk stratification for PNP, but methods and regimens widely differ, with zidovudine being the most commonly used drug.
  • There is significant variation in guidelines regarding infant feeding for babies born to HIV-positive parents, highlighting the need for harmonization in policies to minimize HIV transmission and support informed feeding choices.
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Community-acquired pneumonia (CAP) is an acute infection of the lung parenchyma acquired outside the hospital or other healthcare settings, typically affecting previously healthy individuals. This intersociety consensus aims to provide evidence-based recommendations for the antibiotic treatment of mild to moderate CAP in previously healthy children in Italy.A systematic review was conducted to identify the most recent and relevant evidence.

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Article Synopsis
  • * Before advancements in Next-Generation Sequencing (NGS), misdiagnosis was common, often failing to link symptoms with the underlying genetic causes.
  • * This report highlights the necessity of thorough genetic testing to correctly diagnose thalassemia, demonstrating how a reevaluation can reveal critical genetic factors that align with a patient's symptoms.
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  • Childhood apraxia of speech (CAS) is a genetic speech disorder, and recent advancements in whole exome and genome sequencing have improved the identification of gene variants linked to it, particularly in a new Italian study.
  • In a study of 69 Italian children with CAS, researchers used whole exome sequencing to find high-confidence and low-confidence gene variants, revealing new potential genetic links to the disorder.
  • The study indicated that many of the identified high-confidence genes are involved in brain regions related to language acquisition, confirming their role in speech impairment and highlighting a significant diagnostic yield among affected Italian patients.
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  • Recurrent respiratory infections significantly impact individuals with Cystic Fibrosis (pwCF), and the role of Nocardia species as emerging pathogens necessitates further exploration in their management and clinical significance.
  • A systematic review of 16 studies involving 89 pwCF highlighted the isolation of various Nocardia species, with co-infection present in 85% of cases and a notable decline in lung function observed in 23% of patients post-isolation.
  • The findings emphasize the importance of prompt treatment following Nocardia strain isolation, with 93% of patients receiving immediate antibiotic therapy suited to their clinical conditions.
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Background: There is no documented experience in the use of the WHO standards for improving the quality of care (QOC) for children at the facility level. We describe the use of 10 prioritised WHO-Standard-based Quality Measures to assess QOC for children with acute diarrhoea (AD) in Italy.

Methods: In a multicentre observational study in 11 paediatric emergency departments with different characteristics and geographical location, we collected data on 3061 children aged 6 months to 15 years with AD and no complications.

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Objectives: There is little experience in implementing the WHO Standards for improving the quality of care (QOC) for children. We describe the use of 75 WHO-Standard based Quality Measures to assess paediatric QOC, using health workers (HWs) as data sources.

Design: Cross-sectional study.

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Article Synopsis
  • Cholesterol crystal embolism (CCE) leads to serious health issues like tissue damage and organ failure, with no specific treatments available.
  • Researchers tested the idea that blocking the C5a/C5aR pathway could help reduce the harmful effects of CCE, similar to how it works in systemic vasculitis.
  • Experiments in mice showed that blocking C5a or its receptor before or after cholesterol crystal injection significantly prevented kidney damage and other severe outcomes, suggesting potential for treatment in at-risk patients.
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Evaluation of cervical spinal cord atrophy using a modified SIENA approach.

Neuroimage

September 2024

Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy; Siena Imaging S.r.l., Siena, Italy. Electronic address:

Article Synopsis
  • Spinal cord atrophy, detectable through MRI, has become an important marker for neurodegeneration in neurological disorders, but traditional methods based on cross-sectional area are prone to variability.
  • The study introduces SIENA-SC, a refined imaging technique that directly measures volume changes in the spinal cord over time, showing lower measurement error compared to existing methods.
  • Results indicate that SIENA-SC can effectively differentiate between healthy individuals and Multiple Sclerosis patients, making it a reliable and automated tool for monitoring spinal cord atrophy in clinical research.
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  • Organogenesis in the uterus occurs under low oxygen levels, but preterm birth exposes infants to high oxygen, which can harm organ development and lead to conditions like necrotizing enterocolitis.
  • The study investigates the role of the β3-adrenoreceptor (β3-AR) in protecting the ileum from damage caused by high oxygen levels in newborn rat pups, using a selective β3-AR agonist, BRL37344.
  • Results show that a 3 mg/kg dose of BRL37344 mitigates some harmful changes caused by hyperoxia, highlighting its potential as a therapeutic approach for addressing complications related to premature birth and excessive oxygen exposure.
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Background: Right ventricular (RV) involvement has been reported in one out of three patients with hypertrophic cardiomyopathy (HCM), however its prognostic significance remains unknown. We aimed to assess the prognostic value of RV involvement in patients with HCM through a systematic review and meta-analysis.

Methods: A literature search was performed on PubMed, ClinicalTrials.

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The optimal management of hemorrhagic cystitis (HC) in hematopoietic stem cell transplantation (HCT) is debated, both for early onset HC (EOHC) secondary to chemotherapy toxicity and BK Polyomavirus (BKPyV)-related HC, due to the lack of controlled trials, particularly referred to pediatric setting. Actually, clinical practice is mainly based on guidelines of the European Conference on Infections in Leukemia, 6 edition, which considers both adult and pediatric populations but concludes that, despite much progress in understanding the pathogenesis, epidemiology, and risk factors, this complication still represents a disabling unmet clinical need with limited prophylactic and therapeutic options. Additionally, the Guidelines of the American Society of Clinical Oncology define the management of chemotherapeutic toxicity independently from the patients' population.

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Effect of antimetabolite regimen on cellular and humoral immune response to SARS-COV-2 vaccination in solid organ transplant recipients.

Immunol Lett

August 2024

University of Florence, Experimental and Clinical Medicine, Florence, Italy; Flow cytometry diagnostic center and immunotherapy, Careggi University Hospital, Florence, Italy. Electronic address:

Objective: Novel mRNA-based vaccines have been proven to be powerful tools in combating the global pandemic caused by SARS-CoV-2 protecting individuals, especially the immunocompromised, from COVID-19. Still, it remains largely unknown how solid organ transplant and different immunosuppressive medications affect development of vaccine-induced immunity.

Methods: In this work, we monitored humoral and cellular memory responses after mRNA SARS-CoV-2 two-doses and booster doses vaccination in cystic fibrosis lung transplanted patients (CFT) and compared them with both cystic fibrosis patients without lung transplant (CF) and with kidney transplant recipients (KT).

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Background: Postoperative acute kidney injury (PO-AKI) is a frequent complication after surgery. Various tools have been proposed to identify patients at high risk for AKI, including preoperative serum creatinine or estimated glomerular filtration rate (eGFR), urinary cell cycle arrest, and tubular damage biomarkers; however, none of these can appropriately assess AKI risk before surgery. Renal functional reserve (RFR) screened by the Doppler-derived intraparenchymal renal resistive index variation (IRRIV) test has been proposed to identify patients at risk for AKI before a kidney insult.

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Italy implemented two-dose universal varicella vaccination (UVV) regionally from 2003 to 2013 and nationally from 2017 onwards. Our objective was to analyze regional disparities in varicella outcomes resulting from disparities in vaccine coverage rates (VCRs) projected over a 50-year time-horizon (2020-2070). A previously published dynamic transmission model was updated to quantify the potential public health impact of the UVV program in Italy at the national and regional levels.

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Introduction: This retrospective study on patients with biopsy-proven lupus nephritis (LN) aimed to assess the probability of sustained clinical remission (sCR) and to investigate sCR effects on disease flares and impaired kidney function (IKF).

Methods: sCR was defined as clinical-Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) = 0 and estimated glomerular filtration rate (eGFR) >60 ml/min per 1.73 m lasting ≥1 year; IKF: eGFR <60 ml/min per 1.

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Background: Despite the publication of the 2020 guidelines on how to manage Rett Syndrome (RS), some fundamental topics are still open, in particular respiratory problems.

Objective: Identification and reinforcement of current recommendations concerning the management of respiratory issues in RS patients.

Materials And Methods: Using a Delphi approach, the leading group reviewed the literature and formulated 14 statements.

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Aim: Paediatric eosinophilia is a common clinical dilemma, often leading to resource- and time-consuming assessments. We aim to evaluate the main aetiologies of eosinophilia in children from different socioeconomic settings and propose a diagnostic algorithm.

Methods: A systematic literature review was conducted through PubMed, Embase and the Cochrane Library.

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Erdheim-Chester disease as complex clinical presentation and diagnosis: A case report and concise review of literature.

Medicine (Baltimore)

April 2024

Department of Health Promotion, Maternal and Child Health, Internal and Specialized Medicine of Excellence "G. D. Alessandro" (PROMISE), University of Palermo, Palermo, Italy.

Rationale: Erdheim-Chester disease (ECD) is a rare multisystemic disease characterized by the infiltration of multiple organs by foamy CD68 + CD1a-histiocytes. The genetic background consists of gain-of-function somatic mutations in the mitogen-activated protein kinase pathway. The purpose of the present paper is to make a contribution to the scientific literature on ECD by reporting our experience with a complex clinical case report, along with a concise review of the literature.

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