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Purpose : As the recombinant human growth hormone has been widely available, a lots of parents having short statured children are interested in promoting growth of them whatever the etiologies of short stature they have.
However, the growth hormone therapy for growth-promoting effect is only justified in well-established indications such as growth hormone deficiency, fumer syndrome, and chronic renal insufficiency. This study was undertaken to classify the children with chief complaint of short stature by its cause and giving the basic epidemiologic data for it so that the size of population in which growth hormone is indicated can be estimated.
Methods : According to Ranke's etiologic classification, we categorized the 579 children who visited our pediatric endocrinology clinic with chief complaint of short stature during the period of March 1994 to August 1996. In this prospective study, history regarding growth was taken, physical examination and laboratory tests including bone age, thyroid function, blood chemistry were carried out. The auxological data were analyzed. Additional chromosomal study or growth hormone provocative tests were performed when needed.
Results : Out of 579 patients, 360(62.2%) were classified as normal and 127(21.9%) were classified as normal variants which consist of familial [74(12.8%)], constitutional [48(8.5%)], and mixed familial & constitutional short stature[5(0.9%)]. Pathologic short stature was found in only 80(13.8%). Those are growth hormone deficiency(28), Tumer syndrome(16), intrauterine growth retardation(14) in order.
Other etiologies list varieties of dysmorphism, skeletal dysplasia, chromosomal disorders.
Conclusions : This results suggest the vast majority of children with chief complaint of short stature are normal or normal variants. Only 7.8% of children who visited our clinic were indicated for growth hormone therapy. |
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