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Pulmonary alveolar proteinosis (PAP) is a rare disease in children characterized by intra-alveolar accumulation of surfactant proteins, which severely reduces gaseous exchange. Whole lung lavage (WLL) is the preferred technique for the treatment of severe PAP. Herein, we present a pediatric case of PAP treated with WLL. An 11-year-old boy was admitted with the chief complaint of a dry cough lasting 6 months. He developed symptoms of dyspnea on exertion and had difficulty in climbing stairs. He was ultimately diagnosed with PAP through video-assisted thoracoscopic lung biopsy. As first-line of treatment for PAP, he underwent therapeutic WLL for each of his lungs on separate days. After a brief recovery, his symptoms gradually worsened; therefore, he underwent a second WLL. This is the first pediatric case of PAP relapse despite successful WLL in Korea.

Purpose: The purpose of this study was to identify the relationship between self-esteem and sexual attitude in healthcare college students, and also to provide a basis for sexual health education programs to help establish healthy sexual attitudes. Methods: A survey was conducted with 218 unmarried students attending the healthcare colleges in B and U cities. Data were collected from October 15 to November 10, 2015 and analyzed using Stepwise multiple regression with SPSS PASW 18.0. Results: Mean score for self-esteem was 3.23±0.46 out of 5 and sexual attitude 2.64 ± 0.54 out of 5. Self-esteem and sexual attitude had a negative correlation (r = -.169, p = .012). Among sub-variables of sexual attitude, negative correlations were found between self-esteem and premarital chastity (r = -.207, p = .002), and between self-esteem and homosexual attitudes (r = -.167, p = .013). There were statistically significant differences in sexual attitude according to perceived intimacy with mother (β = -.228, p < .001), year in college (β = .135, p = .047), major (β = .148, p = .023), religion (β = -2.429, p = .016), and homosexual tendencies (β = .139, p = .037). These factors explained 14.6% of the variance in sexual attitude. Conclusion: Findings demonstrate the importance of self-esteem for sexual attitudes. This finding should be used in the development of healthcare college students, promotion programs to enhance healthy sexual attitudes.

Purpose: We aimed to evaluate the association between immunoglobulin G (IgG) at birth and late-onset sepsis (LoS) in preterm infants. Methods: Medical records of very-low-birth-weight infants, born at gestational age <28 weeks, between 2013 and 2016, were retrospectively reviewed. Subjects were divided into two groups based on the occurrence of LoS (LoS vs. non-LoS), and IgG levels at 1 day, and at 2 weeks and 4 weeks after birth were investigated. IgG levels, other perinatal factors, and clinical factors were compared in the two groups. The relationship between IgG levels and mortality among infants in the LoS group was also analyzed. Results: A total of 105 infants were analyzed after exclusion of cases with early onset sepsis or death at <72 hours of life. Gestational age in the LoS group was lower than in the non-LoS group (25.0±1.8 vs. 26.3±1.4 weeks, P=0.004). IgG levels at birth were similar between the two groups (236.4±96.4 vs. 282.0±104.7 mg/dL, P=0.078). Multivariate analysis showed that IgG at birth was not an independent risk factor for LoS. In the LoS group, IgG levels at birth were comparable between survivors and cases involving mortality. Conclusion: IgG levels at birth were not associated with the occurrence of LoS in extremely preterm infants. [ABSTRACT FROM AUTHOR]

Purpose: To evaluate the effects of exclusive breast milk feeding (BMF) on the incidence of necrotizing enterocolitis (NEC) in preterm infants. Methods: All newborn infants, born at <32 weeks of gestation and weighing <1,500 g, admitted to the neonatal intensive care center at Seoul National University Bundang Hospital during the study period, were included. The study was divided into period I: pre-exclusive BMF (January 2010-March 2014) and period II: exclusive BMF (April 2014-December 2016). Results: A total of 374 infants were enrolled in this study, with 174 in period I and 174 in period II. The incidence of NEC was 11.5% in period I and 3.4% in period II. As the mean gestational age and birth weight were significantly greater in infants in period II, the difference in the incidence of NEC between the two periods was adjusted by gestational age. After adjustment, the incidence of NEC in period II was significantly lower than in period I (P=0.024). Conclusion: Exclusive BMF significantly reduced the incidence of NEC in a single neonatal intensive care center. [ABSTRACT FROM AUTHOR]