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Respiratory Effects of the Hebei Spirit Oil Spill on Children in Taean, Korea
정석철,김경묵,이건송,노상철,정우철,곽상준,이익진,최영현,노수련,허종일,지영구 대한천식알레르기학회 2013 Allergy, Asthma & Immunology Research Vol.5 No.6
Purpose: The oil spill from the Heibei Spirit in December 2007 contaminated the Yellow Coast of South Korea. We evaluated the respiratory effectsof that spill on children who lived along the Yellow Coast. Methods: Of 662 children living in the area exposed to the oil spill, 436 (65.9%)were enrolled as subjects. All subjects completed a modified International Study of Asthma and Allergies in Childhood questionnaire. A health examination,including a skin prick test, pulmonary function test, and methacholine bronchial provocation test (MBPT), was administered. The childrenwere assigned to two groups: those who lived close to the oil spill area and those who lived far from the oil spill area. Results: The children wholived close to the oil spill area showed a significantly lower forced expiratory volume in one second (FEV1), an increased prevalence of ‘asthma ever’(based on a questionnaire), and ‘airway hyperresponsiveness’ (based on the MBPT) than those who lived far from the oil spill area (FEV1; P=0.011,prevalence of ‘asthma ever’ based on a questionnaire; P=0.005, prevalence of ‘airway hyperresponsiveness’ based on the MBPT; P=0.001). The onsetof wheezing after the oil spill was significantly higher in children who lived close to the oil spill area than in those who lived far from the oil spillarea among the ‘wheeze ever’ group (P=0.002). In a multiple logistic regression analysis, male sex, family history of asthma, and residence near theoil spill area were significant risk factors for asthma (sex [male/female]: odds ratio [OR], 2.54; 95% confidence interval [CI], 1.31-4.91; family historyof asthma [No/Yes]: OR, 3.77; 95% CI, 1.83-7.75; exposure group [low/high]; OR, 2.43; 95% CI, 1.27-4.65). Conclusions: This study suggests thatexposure to an oil spill is a risk factor for asthma in children.
초기임신에서 16 주 사이의 자궁동맥 혈류속도파형의 양상
곽은정(EJ Kwak),신재인(JI Shin),이진영(JY Lee),최명희(MH Choi),백은정(EJ Baik),신종철(JC Shin),김수평(SP Kim) 대한산부인과학회 1995 Obstetrics & Gynecology Science Vol.38 No.8
Doppler studies of ueterine artery in normal pregnancy showed a progressive increase in diastolic blood flow starting early in the second trimester. The aims of this study were to evaluate whether uterine artery flow velocity waveforms decrease as advancing in gestational age and to compare whether there is a difference in S/D ratio between both uterine arteries from early pregnancy to 16 weeks in gestation. We conducted a study using a transvaginal pulsed wave and color Doppler in 90 normal singleton pregnant women, with a total of 90 instances. There was a progressive increase in end-diastolic velocity wave form with gestation. Diastolic notches were noted in all of cases. There was prograssive fall in S/D ratio with advancing in gestation. between right and left uterine arterises, S/D ratio in all gestational age were not a significant differences in all gestational age. These results suggest that the resistance to uterine blood flow is already getting a reduction in early pregnancy.