Aim: Food protein-induced enterocolitis syndrome (FPIES) is a non-immunoglobulin E (IgE)-mediated food allergy, which is confined to the gastrointestinal tract and occurs most frequently in the first year of life. Our aim was to examine the clinical features, causative agents and outcomes of Greek children with FPIES. Methods: This was a five-year (2013-2017) retrospective study, based on chart reviews of 78 children with FPIES from six Greek paediatric allergy centres.Results: Only five children needed an oral food challenge (OFC) for diagnosis, but 54 children (69%) had OFCs to monitor tolerance development. The most common problems were fish and milk, which affected affecting 42 (54%) and 25 (35%) of children, respectively. The median age of tolerance based on the results of the negative OFCs occurred by 34.0 (26.6-58.4) months. Fish and milk were tolerated by 24 (57%) and 13 (52%) of children by 43.8 and 24.3 months, respectively. Coexisting IgE sensitisation to the offending food was related to delayed tolerance.Conclusion: Fish and milk were the most common food allergies in our series of Greek children with FPIES. Cases with IgE sensitisation to the food trigger took longer to resolve their allergies.
BackgroundVitamin D status is considered a potential determinant of lung function in cystic fibrosis (CF). The aim of this retrospective longitudinal study was to investigate the decline of spirometric values in association with vitamin D status.MethodsThe data regarding 25‐hydroxy vitamin D (25OHD) serum levels, spirometric measurements (FEV1, FVC, FEF25‐75%), and factors known to be associated with the decline of lung function in CF were retrospectively collected over a 5‐year period. The spirometric indices were recorded as the best and the average value of each year, as well as the value, recorded concurrently or closely with 25OHD level measurement.ResultsA significantly positive relationship was observed between 25OHD serum levels and the best annual value of FEV1 (P = .034), and the values of FEV1 (P = .010) and FVC (P = .018) measured concurrently or closely with serum 25OHD levels. The evolution of the best annual value of FEV1 was worse in patients with a mean 5‐year value of 25OHD levels less than 20 ng/mL compared with patients with a mean 5‐year value of ≥30 ng/mL (P < .001), or ≥20 to <30 (P < .001). There was no significant difference between patients with mean 5‐year 25OHD levels ≥30 ng/mL and ≥20 to <30 ng/mL (P = .76).ConclusionsVitamin D status is associated with lung function in patients with CF. Levels of 25OHD above 20 ng/mL were associated with higher best annual FEV1.
Spirometry is considered the gold standard method for monitoring lung function of patients with cystic fibrosis (CF) but it requires patients’ cooperation and therefore it is not useful for the majority of preschool-aged children. Oscillometry is an alternative modality for lung function monitoring that requires minimal cooperation and can be applied in children as young as 3 years of age. Furthermore, it generates lesser aerosol compared to spirometry, an issue that is of considerable importance in the COVID-19 era. The aim of this review was to present the existing clinical data regarding the application of oscillometry in children and adolescents with CF. The method seems to have acceptable feasibility and repeatability. However, there is conflicting data regarding the correlation of oscillometry values with the clinical symptoms of CF patients either in clinically stable or in exacerbation periods. Furthermore, it is not clear to what extent oscillometry measurements correlate with the spirometry indices. Based on current evidence, spirometry cannot be substituted by oscillometry in the monitoring of the respiratory status of children and adolescents with CF.
BackgroundThe role of partially hydrolyzed formulas (pHF) as part of nutritional interventions to prevent the development of allergic manifestations (AM) is questioned, and efficacy of each specific pHF should be substantiated.ObjectiveTo investigate the risk-reduction effect of a whey-based pHF on the development of cow's milk protein allergy (CMPA) and atopic dermatitis (AD) in infants at high-risk for allergy within the first 6 months of life.Materials and MethodsIn a multicenter double-blinded randomized controlled setting, healthy non-exclusively breastfed full-term infants, received either a specific whey-based pHF or a standard cow's milk-based formula (SF) and were clinically assessed for AM at 2, 4, and 6 months of age, supported by the objective scoring tools SCORAD and CoMiSS. CMPA was confirmed by open food challenge. Intention-to-Treat (ITT) and Per-Protocol (PP) analyses were performed.ResultsOf 331 randomized subjects (ITT analysis set), 160 received the pHF and 171 the SF. Six (3.8%) infants in the pHF and 12 (7%) in the SF group developed CMPA (p = 0.186). AD incidence was significantly lower in those receiving pHF as compared to SF (10.6% vs. 18.7%, p = 0.024) with a relative risk (RR, 95% CI) of 0.54 (0.32, 0.92), in particular when adjusting for family history of AD [6.5% vs. 27.3%, RR 0.24 (0.07, 0.78), p = 0.018] representing a risk reduction of 76%. The PP analysis showed similar results.ConclusionThis specific whey-based pHF reduced the risk of AD development, particularly in those with a family history of AD, and tended to reduce the development of CMPA in non-exclusively breastfed infants at high-risk for allergy. The A.R.T. study suggests that this particular pHF may contribute to measures aimed at prevention of allergic manifestations. However, further studies are needed to confirm this risk-reduction effect.
Branded food composition databases (BFCDs) are valuable information tools that meet multiple user needs. Recently, recognising allergies and intolerances as an emerging concern for various stakeholders, BFCDs evolve to embed information on allergens. This study aims to expand the Greek BFCD, HelTH, to include allergen information for its 4002 products. A new file was added to the structure of HelTH, and data were curated to record label information. In 68.4% of products, at least one allergen was present in the ingredient list and in 38.9% at least one allergen in a precautionary statement. Milk (38.8%), gluten (32.7%), and soybeans (17.4%) were most commonly declared in the ingredient list; nuts (18.3%), eggs (13.1%), and milk (12.2%) were most commonly declared in precautionary statements. Allergen-free claims were present in 5.3% of the products and referred mostly on gluten and milk. In general, no statistically significant differences were identified between the nutritional composition of allergen-free claimed products and their equivalents. This study delivers an expanded BFCD that provides organised and detailed allergen information; new insights on the presence of food allergens in branded foods and issues of concern regarding allergen declaration that need to be addressed in order to improve label information.
Bronchiectasis and asthma may share some characteristics and some patients may have both conditions. The present study aimed to examine the rationale of prophylactic inhaled corticosteroids (ICS) prescription in children with bronchiectasis. Data of children with radiologically established bronchiectasis were retrospectively reviewed. Episodes of dyspnea and wheezing, spirometric indices, total serum IgE, blood eosinophil counts, sensitization to aeroallergens, and air-trapping on expiratory CT scans, were recorded. The study included 65 children 1.5–16 years old, with non-CF bronchiectasis. Episodes of dyspnea or wheezing were reported by 22 (33.8%) and 23 (35.4%), respectively. Skin prick tests to aeroallergens (SPTs) were positive in 15 (23.0%) patients. Mosaic pattern on CT scans was observed in 37 (56.9%) patients. Dyspnea, presence of mosaic pattern, positive reversibility test, and positive SPTs were significantly correlated with the prescription of ICS. The prescription of ICS in children with bronchiectasis is more likely when there are certain asthma-like characteristics. The difficulty to set the diagnosis of real asthma in cases of bronchiectasis may justify the decision of clinicians to start an empirical trial with ICS in certain cases.
ImportanceVitamin A (or retinol) has considerable antioxidative and anti‐inflammatory attributes and it may have protective effects on the respiratory health of patients with cystic fibrosis (CF). This issue, however, remains controversial.ObjectiveThe purpose of the present study was to investigate the relationship between serum retinol levels (SRL) and force expiratory volume in 1 second (FEV1) in patients with CF.MethodsAll patients with pancreatic insufficiency attending the CF Department of “Agia Sofia” Children’s Hospital in Athens, Greece, aged 6 to 19 years during the 2012–2016 period, who could perform spirometry effectively, were included in the study. The impact of SRL on FEV1 was examined longitudinally and analyzed with generalized estimating equations.ResultsThe study included 231 patients and 851 SRL measurements were performed. In 25 (3.2%) cases the SRL were below the 5th percentile of reference distribution; none was above the 95th percentile. The analysis showed that SRL was positively correlated with the FEV1 (P < 0.001).InterpretationIn this sample of children and adolescents with CF, vitamin A deficiency was rare. Our results suggest a positive relationship between SRL and FEV1.
Children with chronic wet cough and without cystic fibrosis (non-CF) may suffer from chronic suppurative lung disease (CSLD) or bronchiectasis. Pseudomonas aeruginosa (Pa) can be one of the offending microbes in these children. The present study aimed to describe the clinical course of children with the above two conditions who were infected with Pa. Data of 54 children with CSLD/bronchiectasis who were diagnosed and attended in our department were retrospectively analysed through a Cox proportional hazard model, with age, presence of bronchiectasis, use of inhaled colistin, azithromycin, inhaled hypertonic saline as the covariates. In 42 of the 54 patients, there was no identifiable cause or underlying chronic disorder. Microbiological clearance was defined as the absence of daily wet cough for four months along with four negative cultures taken during the last four consecutive follow-up visits. Multivariate analysis was performed with a Cox proportional hazard model with time to microbiological clearance as the outcome. Results are described as Hazard Ratios (HR) with 95% Confidence Intervals (95%CI). Nebulised antibiotics and the presence of bronchiectasis were statistically significant predictors of remission (HR: 3.99; 95%CI: 1.12–14.14; p = 0.032, and HR: 0.24; 95%CI: 0.08–0.71; p = 0.010). In conclusion, the rate of microbiological clearance increases with the use of inhaled colistin and decreases when there is established bronchiectasis.
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