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Congenital Chloride Diarrhea in Dizygotic Twins
서경아,이나미,김광준,윤신원,채수안,임인석,최응상,유병훈 대한소아소화기영양학회 2013 Pediatric gastroenterology, hepatology & nutrition Vol.16 No.3
Congenital chloride diarrhea (CLD) is a rare inherited autosomal recessive disorder. Mutations of the solute carrier family 26 member 3 gene cause profuse, chloride ion rich diarrhea, which results in hypochloremia, hyponatremia and metabolic alkalosis with dehydration. If a fetal ultrasound shows bowel dilatation suggestive of bowel obstruction, or if a neonate shows persistent diarrhea and metabolic alkalosis, CLD should be considered in the differential diagnosis. The severity of CLD varies, but early detection and early therapy can prevent complications including growth failure. We report a case of dizygotic twins affected by CLD who had been born to non-consanguineous parents. Both of them showed growth failure, but one of the twins experienced worse clinical course. He showed developmental delay, along with dehydration and severe electrolyte imbalance. He was diagnosed with CLD first at 6-month age, and then the other one was also diagnosed with CLD. (Pediatr Gastroenterol Hepatol Nutr 2013; 16: 195∼199)
Efficacy of Erythromycin and Metoclopramide in Neonates with Feeding Intolerance
서경아,이나미,최응상,유병훈 대한신생아학회 2013 Neonatal medicine Vol.20 No.4
Purpose: Feeding intolerance is common in premature infants. It may extend the parenteral nutrition period and increase the risk of complications. We evaluated the efficacy of erythromycin and metoclopramide in neonates with feeding intolerance. Methods: Between December 2006 to August 2011, 114 neonates with feeding intolerance were divided into two groups treated with either erythromycin or metoclopramide in the neonatal intensive care unit of Chung-ang University Hospital, a tertiary care center. We defined neonates with feeding intolerance as those who either could not be fully fed enterally (120 mL/kg/day) within 7 days or who skipped feeding more than twice per day because the gastric residual volume was >20% of each feed or more than 50% once. The time taken to achieve 50%, 75%, and 100% enteral feeding was estimated retrospectively. Results: The erythromycin group achieved 50% feeding (P=0.047), 75% feeding (P=0.042), and 100% feeding (P=0.039) earlier than the metoclopramide group. The erythromycin group achieved 100% feeding earlier than the metoclopramide group among infants with birth weight ≥1,500 g (P=0.036) and those with gestational age ≥ 34 weeks (P=0.008). Conclusion: Compared with metoclopramide, erythromycin improves feeding in neonates with feeding intolerance, especially in infants with birth weight ≥1,500 g and in those with gestational age ≥34 weeks.
편백의 Malassezia furfur 에 대한 항균 및 비듬성 두피 개선 효과
서경아,리순화 대한피부미용학회 2015 대한피부미용학회지 Vol.13 No.3
The aim of this study was to measure anti-bacterial effect of Melassezia furfur of Chamaecyparis obtusa oil and Chamaecyparis obtusa water, and to analyze dandruff scalp improvement effect of Chamaecyparis obtusa . For this purpose, the study selected 16 customers having dandruff on scalp and divided them into the control group (general shampoo, 6), the test group A (Chamaecyparis obtusa oil shampoo, 6), the test group B (Chamaecyparis obtusa shampoo and Chamaecyparis obtusa water, 6) instructing them to use shampoo every day for 14 days. As a result of the test, regarding anctibacterial test of Chamaecyparis obtusa , both Chamaecyparis obtusa oil and Chamaecyparis obtusa water had anti-bacterial effect on Melassezia furfur . There was significant decrease of microbial in the test group A before and after the test (p<.05) and the test group B had significant decrease of microbial contents, oil contents and keratin (p<.05). Both test group A and B showed bright and clear scalp change and dandruff decreased much. As the result of satisfaction level, it proved that fragrant of shampoo needs to be improved. In conclusion, if dandruff shampoo containing Chamaecyparis obtusa oil and Chamaecyparis obtusa water are used together as hair toner, it seems to have effect as natural dandruff care product.
Susceptibility of rat hippocampal neurons to hypothermia during development
서경아,김세현,이나미,채수안 대한소아청소년과학회 2013 Clinical and Experimental Pediatrics (CEP) Vol.56 No.10
Purpose: This study evaluated the extent of damage due to hypothermia in the mature and immature brain. Methods: Hippocampal tissue cultures at 7 and 14 days in vitro (DIV) were used to represent the immature and mature brain, respectively. The cultures were exposed at 25℃ for 0, 10, 30, and 60minutes (n=30 in each subgroup). Propidium iodide fluorescent images were captured 24 and 48hours after hypothermic injury. Damaged areas of the cornu ammonis 1 (CA1), CA3, and dentate gyrus (DG) were measured using image analysis. Results: At 7 DIV, the tissues exposed to cold injury for 60 minutes showed increased damage in CA1(P<0.001) and CA3 (P =0.005) compared to the control group at 48 hours. Increased damage to DG was observed at 24 (P =0.008) and 48 hours (P =0.011). The 14 DIV tissues did not demonstrate any significant differences compared with the control group, except for the tissues exposed for 30 minutes in which DG showed less damage at 48 hours than the control group (P =0.048). In tissues at 7 DIV,CA1 (P =0.040) and DG (P=0.013) showed differences in the duration of cold exposure. Conclusion: The immature brain is more vulnerable to hypothermic injury than the mature brain.