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Allergic rhinitis (AR) is the most frequent IgE-mediated disease, mainly in children and adolescents. Management of AR in the pediatric age may be heterogeneous, and the available guidelines do not adequately consider this issue. As a result, the Italian Society of Pediatric Allergy and Immunology (SIAIP) promoted a Delphi Consensus to define and evaluate the most relevant aspects of AR management in the pediatric setting in Italy. A qualified board of experts prepared a list of statements that a panel of Italian experts voted on using a web platform. Forty-two pediatricians participated. The results showed that all statements had consensus (> 80% of scores 4 + 5). In particular, there was awareness that AR is a type 2 inflammatory disease requiring adequate treatment. Topical drugs should be preferred, as they are better with cycles. Combined antihistamine/corticosteroid is also considered effective and safe in adolescents. In conclusion, AR deserves adequate attention and care. Current medications are safe and effective; treatment should be addressed to dampen type 2 inflammation and relieve complaints. [ABSTRACT FROM AUTHOR]

Asthma is one of the most common non-communicable diseases, and its prevalence and morbidity are influenced by a wide array of factors that are only partially understood. In addition to individual predisposition linked to genetic background and early life infections, environmental factors are crucial in determining the impact of asthma both on an individual patient and on a population level. Several studies have examined the role of the environment where asthmatic subjects live in the pathogenesis of asthma. This review aims to investigate the differences in the prevalence and characteristics of asthma between the pediatric population residing at higher altitudes and children living at lower altitudes, trying to define factors that potentially determine such differences. For this purpose, we reviewed articles from the literature concerning observational studies assessing the prevalence of pediatric asthma in these populations and its characteristics, such as spirometric and laboratory parameters and associated sensitization to aeroallergens. Despite the heterogeneity of the environments examined, the hypothesis of a beneficial effect of residing at a higher altitude on the prevalence of pediatric asthma could be confirmed, as well as a good profile on airway inflammation in asthmatic children. However, the possibility of a higher hospitalization risk for asthma in children living at higher altitudes was demonstrated. Moreover, a positive association between residing at a higher altitude and sensitization to pollens and between lower altitude and sensitization to house dust mites could be confirmed in some pediatric patients, even if the results are not homogeneous, probably due to the different geographical and climatic regions considered. Nonetheless, further studies, e.g., extensive and international works, need to be conducted to better understand the complex interplay between different environmental factors, such as altitude, and the pathogenesis of asthma and how its prevalence and characteristics could vary due to climate change. [ABSTRACT FROM AUTHOR]

Background: Acute pharyngitis is a frequent reason for primary care or emergency unit visits in children. Most available data on pharyngitis management come from primary care studies that demonstrate an underuse of microbiological tests, a tendency to over-prescribe antibiotics and a risk of antimicrobial resistance increase. However, a comprehensive understanding of acute pharyngitis management in emergency units is lacking. This study aimed to investigate the frequency of rapid antigen test use to diagnose acute pharyngitis, as well as other diagnostic approaches, the therapeutic attitude, and follow-up of children with this condition in the emergency units. Methods: A multicentric national study was conducted in Italian emergency departments between April and June 2022. Results: A total of 107 out of 131 invited units (response rate 82%), participated in the survey. The results showed that half of the units use a scoring system to diagnose pharyngitis, with the McIsaac score being the most commonly used. Most emergency units (56%) were not provided with a rapid antigen diagnostic test by their hospital, but the test was more frequently available in units visiting more than 10,000 children yearly (57% vs 33%, respectively, p = 0.02). Almost half (47%) of the units prescribe antibiotics in children with pharyngitis despite the lack of microbiologically confirmed cases of Group A β-hemolytic streptococcus. Finally, about 25% of units prescribe amoxicillin-clavulanic acid to treat Group A β-hemolytic streptococcus pharyngitis. Conclusions: The study sheds light on the approach to pharyngitis in emergency units, providing valuable information to improve the appropriate management of acute pharyngitis in this setting. The routinary provision of rapid antigen tests in the hospitals could enhance the diagnostic and therapeutic approach to pharyngitis. [ABSTRACT FROM AUTHOR]

Aims: Undue concerns about the consequences of fever and its inappropriate management have been documented worldwide among physicians. However, no data exist on medical students. We investigated the perception, knowledge and attitude towards childhood fever among final‐year medical students. Methods: Between June and September 2021, final‐year medical students of six Italian universities were invited to complete an online survey on their conceptions and attitude towards pharmacological and non‐pharmacological management of childhood fever. History of relevant personal or second‐hand experience with childhood fever was also addressed. Both quantitative and qualitative approaches were used. Results: Of 1095 (69%) final‐year medical students, 756 completed the survey. Many students believe that high fever might cause brain damage, would recommend physical methods and alternate two drugs for fever. Most students do not think that fever has mainly beneficial effects. In Northern Italy, students are less likely to believe that fever might lead to brain damage (OR 0.55, 95% CI 0.33–0.94), and in Southern Italy students are more likely to advise physical methods (OR 1.77, 95% CI 1.22–2.57) and less likely to believe that fever has mainly beneficial effects (OR 0.55, 95% CI 0.39–0.77). History of a relevant personal episode of fever during childhood was not associated with these outcomes. Conclusions: Misconceptions about fever are common among final‐year medical students in Italy. Cultural factors rather than individually learned traits might underlie these beliefs. Medical students are a promising target for educational interventions to improve childhood fever management. [ABSTRACT FROM AUTHOR]

Aim: Asthma and allergic rhinitis share common pathophysiological mechanisms. However, while asthma phenotypes and endotypes are defined basing on both clinical and immunological features, rhinitis classification is still based on severity and frequency of symptoms. Recently, fractional exhaled nitric oxide (FeNO) has been suggested as a possible biomarker of rhinitis to asthma development. The aim of our study was to define the prevalence of a high FeNO allergic rhinitis endotype in a paediatric population of children with allergic rhinitis in order to quantify the impact of such patients in general practice. Methods: A total of 159 children (aged 7–16 years) with allergic rhinitis and no asthmatic symptoms were enrolled in our study. Severity assessment of rhinitis and asthma was evaluated in accordance with ARIA and GINA guidelines. All patients performed the following assessments: skin prick test (SPT), spirometry and FeNO measurement. Results: FeNO was increased in 54 (33.9%) of 159 patients. No significant correlation with age, severity and frequency of rhinitis was evidenced. Positive SPT for house dust mites was related with a higher prevalence of high FeNO (P = 0.04), with no significant correlation with other sensitisations. All patients showed normal spirometric values. Conclusion: A possible new endotype of allergic rhinitis and lower airways inflammation showed to be significantly present in our population. The lack of correlation with allergic rhinitis severity assessment suggests that FeNO could be considered as an independent variable, possibly linked to a higher risk of asthma development in children with no lower airways symptoms and normal spirometry. [ABSTRACT FROM AUTHOR]

Nasal polyps (NPs) are benign inflammatory masses causing chronic nasal obstruction, usually associated with underlying chronic rhinosinusitis (CRS), which are rarely reported in childhood. The interest in NPs has recently increased due to new therapeutic options, namely biological agents, such as dupilumab, and an update of the European position paper on this topic was released in 2020, providing a detailed classification for these lesions and also discussing diagnostic and therapeutic approaches also in children. In childhood, NPs usually represent red flags for systemic diseases, such as cystic fibrosis and immunodeficiencies. This review outlines the recent data on NPs in childhood, focusing on predisposing factors for CRS as well as on the potential endotypes in this particular age group, for which further studies are required in order to better clarify their pathogenesis and to identify molecular biomarkers that could help achieve more personalized treatments. [ABSTRACT FROM AUTHOR]

Background: Fake news on children's and adolescent health are spreading. Internet availability and decreasing costs of media devices are contributing to an easy access to technology by families. Public health organizations are working to contrast misinformation and promote scientific communication. In this context, a new form of communication is emerging social media influencers. Aim of this study is to evaluate the role of paediatric influencers (PI) in communicating information about children and adolescents' health. Materials and methods: A group of PI was enrolled from December 2019 to January 2020 by a scientific commission nominated by the Italian Paediatric Society (SIP). PI were asked to share Facebook messages from the official page of the SIP to their own network. Social media tools have been evaluated across 12 months, from July 28, 2019, to July 11, 2020. For the purposes of clarity, we schematically divided the study period as follows: the period of PIs activity (January 6, 2020, to July 11, 2020) and the period when PIs were not yet active (July 28, 2019, to January 4, 2020). Information on Facebook page (lifetime total likes, daily new likes, daily page engaged, daily total reach) and on published post (lifetime post total reach, lifetime post organic reach, lifetime engaged users) were evaluated. Results: A significant increase in Facebook daily new likes, page engagement and total reach, as well as in lifetime post total and organic reach was evidenced. As for PI, they reported a positive experience in most cases. Discussion: In the digital era, communication strategies are becoming more important, so that the scientific community has to be actively involved in social media communication. Our pilot study demonstrated that the recruitment of paediatric influencers has increased communication and interaction of the SIP Facebook page. Conclusion: Our study shows the potential role of influencers: spreading health messages via PI seems to be a successful strategy to promote correct communication about children's and adolescents' health. [ABSTRACT FROM AUTHOR]

Abstract The increasing prevalence of allergic diseases in childhood in the last decades could be linked to concomitant dietary changes, especially with the modified and lower consumption of fruit, vegetables and minerals. The consumption of these foods by pregnant women and children in the first years of life seems to be associated with a reduced risk of asthma and related symptoms. Foods that can prevent the development of wheezing through their antioxidant effects contain vitamin C and selenium; blood levels of these elements correlate negatively with the risk of wheezing. Intake of vitamin E during pregnancy also appears to be correlated with a reduced risk of wheezing for the unborn child. Similarly, low intake of zinc and carotenoids by pregnant women is associated with an increased risk of wheezing and asthma in childhood. Fiber also has anti-inflammatory properties and protective effects against allergic diseases such as atopic dermatitis and asthma. The consumption of fat influences the development of the airways. Populations in Western countries have increased their consumption of n-6 PUFAs and, in parallel, reduced n-3 PUFAs. This has led to decreased production of PGE2, which is believed to have a protective effect against inflammation of the airways. Conflicting hypotheses also concern vitamin D; both an excess and a deficiency of vitamin D, in fact, have been associated with an increased risk of asthma. Further studies on the role of these substances are necessary before any conclusions can be drawn on a clinical level. Astratto La crescente prevalenza negli ultimi decenni delle malattie allergiche in età pediatrica potrebbe essere legata a concomitanti cambiamenti nella dieta, in particolare alla minore e modificata introduzione di frutta, verdura e minerali. Il consumo di questi alimenti da parte delle donne in gravidanza e dei bambini nei primi anni di vita sembra essere associato ad un ridotto rischio di asma e di sintomi correlati. Gli alimenti che possono prevenire lo sviluppo di respiro sibilante (wheezing) attraverso i loro effetti antiossidanti contengono vitamina C e selenio; i livelli ematici di questi elementi sono correlati negativamente con il rischio di wheezing. Inoltre l'assunzione di vitamina E durante la gravidanza sembra essere correlato con un rischio ridotto di respiro sibilante per il nascituro. Allo stesso modo, basso apporto di zinco e di carotenoidi in donne in gravidanza è associata ad un aumentato rischio di wheezing e asma nell'infanzia. Anche le fibre hanno proprietà anti-infiammatorie ed effetti protettivi contro le malattie allergiche come la dermatite atopica e l’asma. Il consumo di grassi influenza lo sviluppo delle vie aeree. Le popolazioni dei paesi occidentali hanno aumentato il loro consumo di n-6 PUFA e, parallelamente, ridotto n-3 PUFA. Ciò ha portato alla diminuzione della produzione di PGE2, che si ritiene abbia un effetto protettivo contro l'infiammazione delle vie aeree. Ipotesi contrastanti riguardano la vitamina D, sia un eccesso che una carenza di vitamina D, infatti, sono stati associati ad un aumentato rischio di asma. Ulteriori studi sul ruolo di queste sostanze sono necessari prima di trarre conclusioni sul piano clinico.

The COVID-19 pandemic has surprised the entire population. The world has had to face an unprecedented pandemic. Only, Spanish flu had similar disastrous consequences. As a result, drastic measures (lockdown) have been adopted worldwide. Healthcare service has been overwhelmed by the extraordinary influx of patients, often requiring high intensity of care. Mortality has been associated with severe comorbidities, including chronic diseases. Patients with frailty were, therefore, the victim of the SARS-COV-2 infection. Allergy and asthma are the most prevalent chronic disorders in children and adolescents, so they need careful attention and, if necessary, an adaptation of their regular treatment plans. Fortunately, at present, young people are less suffering from COVID-19, both as incidence and severity. However, any age, including infancy, could be affected by the pandemic. Based on this background, the Italian Society of Pediatric Allergy and Immunology has felt it necessary to provide a Consensus Statement. This expert panel consensus document offers a rationale to help guide decision-making in the management of children and adolescents with allergic or immunologic diseases. [ABSTRACT FROM AUTHOR]

Allergic diseases, such as food allergy (FA), atopic dermatitis (AD), and asthma, are heterogeneous inflammatory immune-mediated disorders that currently constitute a public health issue in many developed countries worldwide. The significant increase in the prevalence of allergic diseases reported over the last few years has closely paralleled substantial environmental changes both on a macro and micro scale, which have led to reduced microbial exposure in early life and perturbation of the human microbiome composition. Increasing evidence shows that early life interactions between the human microbiome and the immune cells play a pivotal role in the development of the immune system. Therefore, the process of early colonization by a "healthy" microbiome is emerging as a key determinant of life-long health. In stark contrast, the perturbation of such a process, which results in changes in the host-microbiome biodiversity and metabolic activities, has been associated with greater susceptibility to immune-mediated disorders later in life, including allergic diseases. Here, we outline recent findings on the potential contribution of the microbiome in the gastrointestinal tract, skin, and airways to the development of FA, AD, and asthma. Furthermore, we address how the modulation of the microbiome composition in these different body districts could be a potential strategy for the prevention and treatment of allergic diseases. [ABSTRACT FROM AUTHOR]

Introduction: Triptorelin depot is largely used to treat central precocious puberty (CPP) in children. Areas covered: This review updates triptorelin depot treatment of CPP, focusing on trials that compared 3.75 mg/28 day treated and untreated children till the adult height (AH). Efficacy of the new 11.25 mg/90 days or 22.5 mg/6 month formulations in suppressing pituitary-gonadal axis in short-term trials is also addressed. Short- and long-term safety was summarized. Expert commentary: Long experience on triptorelin depot use in children with CPP is available. Outcome differences on AH are reported; they may be due to heterogenicity of treated patients; some items remain to be optimized. No long term-adverse events on reproductive function are reported; additional studies would clarify if CPP per sè or triptorelin depot administration may increase hyperandrogenism and/or polycystic ovary syndrome risk in adulthood. The quarterly formulation seems to be able to suppress pituitary-gonadal axis and pubertal development and to determine similar end-results as monthly formulation, but additional trials are needed. Few data are available for the 22.5 mg/6 month formulation. Triptorelin depot treatment of CPP should be restricted to tertiary pediatric endocrinology centers, considering that some uncertainties still exist and that rare but serious adverse events may occur. [ABSTRACT FROM AUTHOR]

Allergen-specific immunotherapy (AIT) is currently recognized as a clinically effective treatment for allergic diseases, with a unique disease-modifying effect. AIT was introduced in clinical practice one century ago, and performed in the early years with allergenic extracts of poor quality and definition. After the mechanism of allergic reaction were recognized, the practice of AIT was refined, leading to remarkable improvement in the efficacy and safety profile of the treatment. Currently AIT is accepted and routinely prescribed worldwide for respiratory allergies and hymenoptera venom allergy. Both the subcutaneous (SCIT) and sublingual (SLIT) routes of administration are used in the pediatric population. AIT is recommended in allergic rhinitis/conjunctivitis with/without allergic asthma, with an evidence of specific IgE-sensitization towards clinically relevant inhalant allergens. Long-term studies provided evidence that AIT can also prevent the onset of asthma and of new sensitizations. The favorable response to AIT is strictly linked to adherence to treatment, that lasts 3-5 years. Therefore, several factors should be carefully evaluated before starting this intervention, including the severity of symptoms, pharmacotherapy requirements and children and caregivers' preference and compliance. In recent years, there have been increasing interest in the role of AIT for the treatment of IgE-associated food allergy and extrinsic atopic dermatitis. A growing body of evidence shows that oral immunotherapy represents a promising treatment option for IgE-associated food allergy. On the contrary, there are still controversies on the effectiveness of AIT for patients with atopic dermatitis. This consensus document was promoted by the Italian Society of Pediatric Allergy and Immunology (SIAIP) to provide evidence-based recommendations on AIT in order to implement and optimize current prescription practices of this treatment for allergic children. [ABSTRACT FROM AUTHOR]

Background: Allergic sensitization in children and allergic diseases arising there from are increasing for decades. Several interventions, functional foods, pro- and prebiotics, vitamins are proposed for the prevention of allergies and they can't be uncritically adopted. Objective: This Consensus document was developed by the Italian Society of Preventive and Social Paediatrics and the Italian Society of Paediatric Allergy and Immunology. The aim is to provide updated recommendations regarding allergy prevention in children. Methods: The document has been issued by a multidisciplinary expert panel and it is intended to be mainly directed to primary care paediatricians. It includes 19 questions which have been preliminarily considered relevant by the panel. Relatively to each question, a literature search has been performed, according to the Italian National Guideline Program. Methodology, and a brief summary of the available literature data, has been provided. Many topics have been analyzed including the role of mother's diet restriction, use of breast/formula/hydrolyzed milk; timing of introduction of complementary foods, role (if any) of probiotics, prebiotics, vitamins, exposure to dust mites, animals and to tobacco smoke. Results: Some preventive interventions have a strong level of recommendation. (e.g., the dehumidifier to reduce exposure to mite allergens). With regard to other types of intervention, such as the use of partially and extensively hydrolyzed formulas, the document underlines the lack of evidence of effectiveness. No preventive effect of dietary supplementation with polyunsaturated fatty acids, vitamins or minerals has been demonstrated. There is no preventive effect of probiotics on asthma, rhinitis and allergic diseases. It has demonstrated a modest effect, but steady, in the prevention of atopic dermatitis. Conclusions: The recommendations of the Consensus are based on a careful analysis of the evidence available. The lack of evidence of efficacy does not necessarily imply that some interventions may not be effective, but currently they can't be recommended. [ABSTRACT FROM AUTHOR]