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Objective: Vitamin D deficiency is a common public health issue worldwide. The purpose of this study was to investigate the vitamin D status and its potential determinants in children residing in Sardinia (40°N), Italy. Methods: Children were enrolled over a 12-month period. Serum 25(OH)D was measured by an immunochemiluminescence assay. A questionnaire was used to gather information on other variables, including passive smoke exposure. Results: A total of 182 children (males: 51.7%; median age: 9 years) were included. Mean±standard deviation serum 25(OH)D was 25.2±8.3 ng/mL for the whole group. The majority (n=123, 67.6%) had vitamin D sufficient values >20 ng/mL, while 32.4% (n=59) had vitamin D insufficient/deficient values (≤20 ng/mL). Among the variables investigated, passive smoke exposure was significantly associated with insufficient 25(OH)D levels (p<0.0001). Conclusion: Our results confirm that hypovitaminosis D is common in Italian children. Furthermore, passive smoke exposure was identified as a significant risk factor for hypovitaminosis D. [ABSTRACT FROM AUTHOR]

Background: The COVID-19 pandemic and associated public health measures have had a profound impact on health systems worldwide. The aim of this study was to assess quantitative and qualitative changes in Pediatric Emergency Department (PED) visits in Sardinia, Italy, during the early period of the COVID-19 pandemic. Methods: We retrospectively investigated the number and characteristics of visits to two major Sardinian PEDs, in the periods January-June 2020 and January-June 2019. Results: From January to June 2020, 8399 PED visits with 1160 hospital admissions (13.8% of PED visits) were registered, compared with 15,692 PED visits (Δ = -46.5%) and 1819 hospital admissions (11.6% of PED visits) occurring from January to June 2019. Comparing January-June 2020 with January-June 2019, we found differences in the percentage of visits for age groups, and significant changes in the proportion of triage codes, with a decrease in green codes (72.1% vs 74.2%, respectively) and an increase in white codes (19.0% vs 16.5%, respectively). Moreover, in the period January-June 2020, the frequency of skin disorders and acute respiratory disease significantly decreased, while the frequency of trauma, acute surgical disease, intoxication, and neuropsychiatric disease significantly increased. Conclusions: After the beginning of the Italian lockdown, we observed a marked drop in the number of PED visits, an increase in hospital admission rate, and radical changes in the reason for visit. [ABSTRACT FROM AUTHOR]

Recent studies have shown that infants with intrauterine growth restriction (IUGR) undergo catch-up growth during infancy. The aim of our study was to evaluate the postnatal growth in a cohort of IUGR infants born in a tertiary-level Obstetric University Hospital of Northern Sardinia. An observational retrospective study was conducted on 12 IUGR (group A) and 12 control infants (group B) by measuring the anthropometric parameters of weight (W), length (L) and head circumference (HC) from birth to the 3rd postnatal year. At birth, significant differences were found between group A and group B with regard to all the auxological parameters (W, mean 1846.6 versus 3170.8 g, p < 0.0001; HC, 30.1 versus 34.4 cm, p < 0.0001; L, mean 43.4 versus 49.4 cm, p < 0.0001). During the 1st year, 8 of 12 (70%) IUGR infants exhibited a significant catch-up growth in the 3 anthropometric parameters and a regular growth until the 3rd year of follow-up. The majority but not all infants born with IUGR in our series showed significant postnatal catch-up growth essentially during the first 12 months of life. An improved knowledge of the causes of IUGR will help to develop measures for its prevention and individualized treatment. [ABSTRACT FROM AUTHOR]