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Original Article
Neonatology (Perinatology)
Association between vitamin D level at birth and respiratory morbidities in very-low-birth-weight infants
Ian Kim, Sung Shin Kim, Jee In Song, Seock Hwa Yoon, Ga Young Park, Yong-Wha Lee
Clin Exp Pediatr. 2019;62(5):166-172.   Published online October 24, 2018

Purpose: This study aimed to evaluate vitamin D status at birth in very-low-birth-weight infants (VLBWIs: <1,500 g) and to determine the association between vitamin D level and respiratory morbidity. Methods: A retrospective study was conducted at Soonchunhyang University Bucheon Hospital between November 2013 and November 2017. We collected blood samples and data on respiratory morbidity from 230 VLBWIs on the first...
Endocrinology
The serum level of 25-hydroxyvitamin D for maximal suppression of parathyroid hormone in children: the relationship between 25-hydroxyvitamin D and parathyroid hormone
Jung In Kang, Yoon Suk Lee, Ye Jin Han, Kyoung Ae Kong, Hae Soon Kim
Clin Exp Pediatr. 2017;60(2):45-49.   Published online February 27, 2017
Purpose

Serum level of 25-hydroxyvitamin D (25-OHD) is considered as the most appropriate marker of vitamin D status. However, only a few studies have investigated the relationship between 25-OHD and parathyroid hormone (PTH) in children. To this end, this study was aimed at evaluating the lowest 25-OHD level that suppresses the production of parathyroid hormone in children.

Methods

A retrospective record review was...

Iron and vitamin D status in breastfed infants and their mothers
Yu Sun Kang, Joon Hwan Kim, Eun Hee Ahn, Eun-Gyong Yoo, Moon Kyu Kim
Clin Exp Pediatr. 2015;58(8):283-287.   Published online August 21, 2015
Purpose

We assessed the relationships between iron and vitamin D statuses in breastfed infants and their mothers and evaluated the determinants of iron and vitamin D deficiencies in breastfed infants.

Methods

Seventy breastfed infants aged 4-24 months and their mothers participated in this study from February 2012 to May 2013. Complete blood counts, total iron binding capacity, and levels of C-reactive protein, iron,...

Review Article
Vitamin D status and childhood health
Youn Ho Shin, Hye Jung Shin, Yong-Jae Lee
Clin Exp Pediatr. 2013;56(10):417-423.   Published online October 31, 2013

Vitamin D is an essential component of bone and mineral metabolism; its deficiency causes growth retardation and skeletal deformities in children and osteomalacia and osteoporosis in adults. Hypovitaminosis D (vitamin D insufficiency or deficiency) is observed not only in adults but also in infants, children, and adolescents. Previous studies suggest that sufficient serum vitamin D levels should be maintained in...

Original Article
Prevalence and risk factors for vitamin D deficiency in children with iron deficiency anemia
Jung Won Yoon, Sung Woo Kim, Eun Gyong Yoo, Moon Kyu Kim
Clin Exp Pediatr. 2012;55(6):206-211.   Published online June 21, 2012
Purpose

The increasing prevalence of breast feeding has led to concerns about vitamin D deficiency (VDD) and iron deficiency anemia (IDA) in children. We evaluated the prevalence of VDD in a population of Korean children with IDA and assessed the risk factors for VDD in these children.

Methods

A total of 79 children who were diagnosed with IDA were prospectively surveyed from April...

Clinical characteristics and prevalence of vitamin D insufficiency in children less than two years of age
Ji Hyun Yoon, Cheong Soo Park, Ji Young Seo, Yun Sun Choi, Young Min Ahn
Clin Exp Pediatr. 2011;54(7):298-303.   Published online July 31, 2011
Purpose

To evaluate the clinical characteristics of vitamin D deficiency and its association with iron deficiency anemia (IDA).

Methods

A total of 171 children aged less than two years underwent 25-hydroxyvitamin D3 tests between January 2007 and July 2009. The study was classified into two groups: normal and vitamin D insufficiency, by their vitamin 25-hydroxyvitamin D3 levels.

Results

In total, 120 children were in the...

Review Article
Nutritional management of breastfeeding infants for the prevention of common nutrient deficiencies and excesses
Jin Soo Moon
Clin Exp Pediatr. 2011;54(7):282-286.   Published online July 31, 2011

Breastfeeding is the best source of nutrition for every infant, and exclusive breastfeeding for 6 months is usually optimal in the common clinical situation. However, inappropriate complementary feeding could lead to a nutrient-deficient status, such as iron deficiency anemia, vitamin D deficiency, and growth faltering. The recent epidemic outbreak of obesity in Korean children emphasizes the need for us to...

Original Article
Clinical characteristics of vitamin D deficiency rickets in infants and preschool children
Kyoung Huh, Mi Kyeong Woo, Jung Rim Yoon, Gyu Hong Shin, Myoung Jae Chey, Mi Jung Park
Clin Exp Pediatr. 2010;53(2):152-157.   Published online February 15, 2010
Purpose : Vitamin D deficiency rickets is a significant public health problem that results from insufficient exposure to sunlight and inadequate vitamin D supplementation. The purpose of this study is to identify the clinical characteristics of vitamin D deficiency rickets in infants. Methods : Data of 35 infants diagnosed as vitamin D deficiency rickets at Sanggye-Paik Hospital, Seoul, Korea, from March...
Eight cases of incidentally diagnosed as subclinical rickets
Ji-Young Seo, Curie Kim, Hee-Woo Lee, Young-Min Ahn
Clin Exp Pediatr. 2008;51(8):812-819.   Published online August 15, 2008
Purpose : Vitamin D plays a key role in bone mineralization of the skeleton and vitamin D deficiency can lead to rickets. It is well known that vitamin D deficiency is common in breast fed infants. Of these patients, clinically, some have no signs of rickets, but laboratory and radiographic findings are diagnostic for vitamin D deficiency rickets (subclinical vitamin...
Case Report
Vitamin D Deficiency Rickets.
Chong Suhn Kim, Wha Za Shin, Hyun Suk Lee
Clin Exp Pediatr. 1981;24(1):70-74.   Published online January 15, 1981
Vitamin D deficiency cause rickets, metabolic disorder of growing bone resulting in bony deformities. Rickets is characterized by formation of collagen and osteoid with defective mineralization. We had experienced ??severe case of Vitamin D deficiency Rickets. He was a boy of 23month at age, fed with gruel only for 6month. Physical, biochemical and radiological finding & therapeutic procedure were presented,...