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Original Article
Allergy
Cohort profile: National Investigation of Birth Cohort in Korea study 2008 (NICKs-2008)
Ju Hee Kim, Jung Eun Lee, So Min Shim, Eun Kyo Ha, Dong Keon Yon, Ok Hyang Kim, Ji Hyeon Baek, Hyun Yong Koh, Kyu Young Chae, Seung Won Lee, Man Yong Han
Clin Exp Pediatr. 2021;64(9):480-488.   Published online January 5, 2021
This national cohort study included all Korean children born in 2008 and 2009 observed over a period of more than 10 years. Our findings demonstrate that it is possible to analyze disease onset prior to hospitalization based on information such as lifestyle, eating habits, and risk factors by integrating National Health Insurance System data with national health screening data.
Food allergen sensitization in young children with typical signs and symptoms of immediate-type food allergies: a comparison between monosensitized and polysensitized children
Na Yeon Kim, Ga Ram Kim, Joon Hwan Kim, Ji Hyeon Baek, Jung Won Yoon, Hye Mi Jee, Hye Sung Baek, Yong Ho Jung, Sun Hee Choi, Ki Eun Kim, Youn Ho Shin, Hye Yung Yum, Man Yong Han, Kyu-Earn Kim
Clin Exp Pediatr. 2015;58(9):330-335.   Published online September 21, 2015
Purpose

The clinical interpretation of children sensitized to allergens is challenging, particularly in children with food allergies. We aimed to examine clinical differences between children with monosensitization and those with polysensitization to common food allergens and to determine risk factors for polysensitization in young children <10 years of age with immediate-type food allergies.

Methods

The study included children <10 years of age with...

Clinical risk factors associated with the development of wheezing in children less than 2 years of age who required hospitalization for viral lower respiratory tract infections
Joon Hwan Kim, Ji-Yeon Choi, Na Yeon Kim, Jin Woo Kim, Ji Hyeon Baek, Hye Sung Baek, Jung Won Yoon, Hye Mi Jee, Sun Hee Choi, Hyeung Yoon Kim, Ki Eun Kim, Youn Ho Shin, Man Yong Han
Clin Exp Pediatr. 2015;58(7):245-250.   Published online July 22, 2015
Purpose

Wheezing following viral lower respiratory tract infections (LRTIs) in children <2 years of age is an important risk factor for the development of asthma later in life; however, not all children with viral LRTIs develop wheezing. This study investigated risk factors for the development of wheezing during viral LRTIs requiring hospitalization.

Methods

The study included 142 children <2 years of age hospitalized...

Prevalence and comorbidity of allergic diseases in preschool children
Hyeong Yun Kim, Eun Byul Kwon, Ji Hyeon Baek, Youn Ho Shin, Hye Yung Yum, Hye Mi Jee, Jung Won Yoon, Man Yong Han
Clin Exp Pediatr. 2013;56(8):338-342.   Published online August 27, 2013
Purpose

Allergic disease and its comorbidities significantly influence the quality of life. Although the comorbidities of allergic diseases are well described in adult populations, little is known about them in preschool children. In the present study, we aimed to assess the prevalence and comorbidity of allergic diseases in Korean preschool children.

Methods

We conducted a cross-sectional study comprising 615 Korean children (age, 3...

Antibody response to pneumococcal vaccination in children with chronic or recurrent rhinosinusitis
Ji Hyeon Baek, Hyun Kyong Seo, Hye Mi Jee, Youn Ho Shin, Man Yong Han, Eun Sang Oh, Hyun Ju Lee, Kyung Hyo Kim
Clin Exp Pediatr. 2013;56(7):286-290.   Published online July 19, 2013
Purpose

Although chronic and recurrent rhinosinusitis is prevalent in children, little is known about its causes. Here, we investigated the humoral immunity in children with chronic or recurrent rhinosinusitis.

Methods

We examined 16 children attending the outpatient clinic at the CHA Bundang Medical Center including 11 boys and 5 girls, aged 3.11 years (mean age, 5.6 years), who had rhinosinusitis for >3 months...

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