The status of food allergy and parental burden of preschoolers in Jeju area / 한국영양학회지

Purpose@#Food allergies in children are known to impact the quality of life for growing children as well as their parents. This study investigates the status of food allergy and its management among preschoolers, and evaluates the effect on parental burden. @*Methods@#In May 2019, five kindergartens and daycare centers in Jeju area were randomly selected, and parents (n = 638) who had preschoolers younger than 6-year-old were surveyed using a questionnaire. A total of 387 participants were included in the final data analysis. @*Results@#The percentage of children (aged 3 to 6 years old) who experienced food allergies was 16.8%; 44.6% had been diagnosed as having a food allergy by doctors. Food allergies were first experienced in more than two-thirds of the subjects when they were less than a year old. Egg and milk were the most frequent allergenic foods with some skin related symptoms. A mere 15.4% children suffering from food allergies were offered substitutes for their allergenic foods. Lastly, as compared to other parents, the parents of children who experienced food allergies had not only higher nutritional knowledge, but also heavier parental burden including emotional distress. Regardless of their nutritional knowledge, parents of children with food allergy expressed their willingness to attend nutrition education classes, if available in future. @*Conclusion@#For prevention of food allergies and proper nourishment of children with food allergies, there is a necessity to provide customized-nutritional education for the affected parents to help alleviate their parental burden, especially for reducing emotional distress.

Analysis and Exposure Assessment of Perchlorate in Korean Dairy Products with LC-MS/MS

OBJECTIVES: Perchlorate is an emerging contaminant that is found everywhere, including various foods. Perchlorate is known to disturb the production of thyroid hormones and leads to mental disorders in fetuses and infants, as well as metabolic problems in adults. In this study, we attempted to establish an LC-MS/MS method for measuring perchlorate in dairy products and used this developed method to investigate perchlorate levels in Korean milk and yogurt samples. METHODS: The developed method of perchlorate analysis requires a shaker and 1% acetic acid/acetonitrile as the extracting solvent. Briefly, the samples were extracted and then centrifuged (4000 rpm, 1hour), and the supernatant was then passed through a Envitrade mark Carb SPE cartridge that had been prewashed sequentially with 6 mL of acetonitrile and 6 mL of 1% acetic acid in water. The final volume of the sample extract was adjusted to 40 mL with reagent water and the final sample was filtered through a 0.20-microm pore size PTFE (Polytetrafluoroethylene) syringe filter prior to LC-MS/MS. RESULTS: The average levels of perchlorate in milk and yogurt samples were 5.63 +/- 3.49 microg/L and 3.65 +/- 2.42 microg/L, respectively. The perchlorate levels observed in milk samples in this study were similar to those reported from China, Japan, and the United States. CONCLUSIONS: The exposure of Koreans to perchlorate through the consumption of dairy products was calculated based on the results of this study. For all age groups, the calculated exposure to perchlorate was below the reference of dose (0.7 microg/kg-day) proposed by the National Academy of Science, USA, but the perchlorate exposure of children was higher than that of adults. Therefore, further investigation of perchlorate in other food samples is needed to enable a more exact assessment of exposure of children to perchlorate.

Pregnancy outcomes of IgA nephropathy / 대한산부인과학회지

OBJECTIVE: We performed this study to evaluate maternal and fetal outcomes of pregnancies with IgA nephropathy. METHODS: We reviewed 20 pregnancies occurred in 14 women who were diagnosed as IgA nephropathy with the method of renal biopsy between 1997 and 2006. We used clinical and laboratory data from medical records and statistic analysis using SPSS 15.0. RESULTS: Of 20 prenancies, there were 17 live births and 3 spontaneous abortions. There was no stillbirth and congenital anomaly. We found severe preeclampsia in 47%, low birth weight in 53% and preterm birth (comprising medical indications) in 59%. But most were late preterm birth and all were alive. Blood pressure was elevated after delivery compared with pre-pregnancy. CONCLUSION: Although pregnancy is not contraindicated in IgA nephropathy, it is associated with significant complications comprising preeclampsia, preterm birth and low birth weight.

Comparing Various Short-Form Geriatric Depression Scales in Elderly Patients

BACKGROUND: A 15-item GDS form is now widely used to screen for depressive symptoms in elderly patients, but even the 15-item version seems fairly long for routine use in busy outpatient settings. This study was conducted to determine which of the three short-form GDS tools with four or five questions extracted from the 15-item GDS tool could be a valid alternative to the 15-item GDS. METHODS: This study was performed using a questionnaire survey of 102 elderly patients over sixty-five, who had either visited or had been admitted in either one of the two universities hospitals in Seoul or ChungCheong district from October 1999 to June 2004. Questionnaire contained demographic and statistical characteristics, items related to health behavior, 15-item GDS, Mini-Mental State Examination Korean (MMSE-K) and activities of daily living. Three scales, namely, D'Ath GDS-4, Van Marwijk GDS-4, and Hoyl GDS-5 were compared to the 15-item GDS. Sensitivity, specificity, positive predictive value and the area under the ROC curves were calculated for each short-form GDS scales. RESULTS: The mean 15-item GDS score was 7.4+/-3.3 and 69.6% of the subjects were to have suggested depression. Hoyl GDS-5 instrument had the highest sensitivity of 87.3%, specificity of 80.6%, and positive predictive value of 91.1% among the three short-form alternatives. The 5-item Hoyl GDS version had the highest area under the curve (0.84), compared to 0.76 for the 4-item Van Marwijk and 0.66 for the 4-item D'Ath GDS version. CONCLUSION: The 5-item Hoyl GDS had superior validity over the D'Ath GDS-4 and Van Marwijk GDS-4. The GDS5/15 may be an effective alternative screening tool.