• Title/Summary/Keyword: Final height

Search Result 374, Processing Time 0.041 seconds

A Pilot Study for Analysis of Genetic and Environmental Factors on Final Adult Height (성장에 영향을 주는 유전적.환경적 요인 분석에 대한 예비 연구)

  • Choi, Min-Hyung;Lee, Jin-Young
    • The Journal of Pediatrics of Korean Medicine
    • /
    • v.25 no.3
    • /
    • pp.57-69
    • /
    • 2011
  • Objectives: Purpose of this study is to analyze and to estimate which and how much genetic and environmental factors have affected on growth. Also, a method of final height prediction can be developed from this study results. Methods: Correlation analysis and categorical regression analysis were conducted between genetic and environmental factors correlated with the final adult height, through survey from 171 male. Results: Mid parental height, neonatal body weight, intake frequency of beef, chicken, milk, fruits and coffee, sleep quantity and quality during the elementary school and sleep quantity during the middle school have affected on the final adult height. And a regression equation with 0.494 for coefficient of determination was obtained. Conclusions: Mid-parental-height has the most affected on the final adult height. Among environmental factors, food and sleep have significantly affected, but exercise doesn't. Among foods, meal, beef, and milk intake have remarkably affected on the final height, and chicken and fruit also have affected in some degree, but coffee has affected badly. Among sleep habits, sleep quantity during the elementary school has the most affected, sleep quality during the elementary school and sleep quantity during the middle school also have affected in some degree on final height. The younger the age is, the more sleep have affected and sleep quantity have more affected than sleep quality. Neonatal weight also has remarkably affected on the final height. Through this analysis, the final adult height can be predicted using regression equation which covers 49.4% of genetic and environmental factors.

Efect of final cutting time and cutting height on the winter survival, regrowth and early spring yield of orchardgrass ( Dactylis Glomerate L. ) dominated pasture. (월동전후 초지관리에 관한 연구 I. 최종예취시기와 예취높이가 목초의 월동 , 재생 및 이른봄 수량에 미치는 영향)

  • Han, Y.C.;Lee, J.K.;Park, M.S.;Seo, S.;Lee, B.S.
    • Journal of The Korean Society of Grassland and Forage Science
    • /
    • v.7 no.1
    • /
    • pp.18-24
    • /
    • 1987
  • This experiment was carried out to investigate the effects of the final cutting time and cutting height on the winter survival, regrowth, and carbohydrate reserves in stubble, and early spring yield of orchardgrass-dominated pasture before and after the winter season. The experiment was conducted at the experimental field of the Livestock Experiment Station, in Suwon, from October 1985 to early 1986. The results obtained are summarized as follows: 1. Regrowth of plant after the final cut increased significantly (P<0.05) with plot of the early cutting time (Oct. 10) and high cutting height at the final. For winter survival, cut plant should regrow over 15cm in plant height. Therefore limit cutting time and cutting height were forced to be on Oct. 25 and at 6-9cm, respectively. 2. Total water soluble carbohydrate (TSC) content in stubble after the final cut was not significantly changed by different cutting time and cutting height. 3. The percentage of dead plant after wintering was found to be high with plot of the late cutting time and low cutting height at the final cut (P<0.05). And the correlation between the percentage of dead plant after wintering and final plant height before wintering was significantly negathe (r = -0.728**). 4. Fresh and DM yield at the early spring after wintering were increased in the plot of the early cutting time and high cutting height (P<0.05) at the final cut. And significantly positive correlation was observed between the early spring yield and final plant height before wintering (r = 0.720**).

  • PDF

Factors Affecting on Final Adult Height and Total Height Gain in Children with Idiopathic and Organic Growth Hormone Deficiency after Growth Hormone Treatment (특발성과 기질성 성장호르몬 결핍증 환아에서 성장호르몬 치료 후 최종 성인신장과 신장 증가에 영향을 미치는 인자)

  • Choi, Im Jeong;Hwang, Jin Soon;Shin, Choong Ho;Yang, Sei Won
    • Clinical and Experimental Pediatrics
    • /
    • v.46 no.8
    • /
    • pp.803-810
    • /
    • 2003
  • Purpose : The purpose of this study was to evaluate the factors affecting the final adult height and total height gain in idiopathic and organic growth hormone deficient(GHD) children after growth hormone(GH) treatment. Methods : Thirteen patients with idiopathic GHD and 22 patients with organic GHD who had been treated with GH and attained adult final height were included in this study. Factors which could affect the final adult height(FAH) and total height gain, were evaluated. Results : Height SDS(standard deviation score) at initial GH treatment in idiopathic GHD was significantly shorter than that in organic GHD($-4.13{\pm}1.28$ vs $-1.66{\pm}1.06$, P<0.001). Growth velocity during the first year of GH treatment was $9.69{\pm}3.19cm$(idiopathic GHD) and $7.87{\pm}3.65cm$(organic GHD). Height(SDS) at puberty in organic GHD was significantly greater than in idiopathic GHD ($-0.55{\pm}1.25$ vs $-2.28{\pm}0.95$, P<0.001). Final adult height(SDS) was significantly greater in organic GHD than in idiopathic GHD($0.22{\pm}1.06$ vs $-1.44{\pm}0.84$, P<0.001). In idiopathic GHD, total height gain (SDS) was most significantly correlated with midparental height minus initial height(MPH-IH)(SDS) (r=0.886, P<0.001). Total height gain(SDS) was more significantly correlated with MPH-IH(SDS) and prepubertal height gain(SDS) in idiopathic GHD(r=0.640, P=0.01, r=0.801, P<0.001). Conclusion : Final adult height was greater in organic GHD than in idiopathic GHD patients. While total height gain(SDS) was more pronounced in children with lower initial height compared to MPH, absolute final adult height was influenced by height at puberty. To improve the final adult height in children with GHD, height at onset of puberty must be increased by early diagnosis and continuous treatment with optimal doses of GH. There results should be evaluated with more patients.

Preliminary Study of Vertical Datum Determination in Korea (수직기준 결정을 위한 기초 연구)

  • Jeong, Tae-Jun;Yun, Hong-Sic;Huang, He
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
    • /
    • 2007.04a
    • /
    • pp.55-58
    • /
    • 2007
  • This study describes a problem of the Original Bench Mark which is used currently. We calculate New Mean Sea Level(MSL) in Incheon Port using tide data for 57 months and take 8 points GPS/Leveling data in research area. We calculate orthometric height of one control point using tide data and GPS/Leveling data. After fixed the control point, we decide final orthometric heights using relative geoidal height and ellipsoidal height from GPS survey. To analysis the Original Bench Mark compares final orthometric heights with the orthometric heights in Korea height system. We get the result that the New Original Bench Mark's height is 26.7176m. It appears 3.05cm difference as the Original Bench Mark's height is 26.6871cm in Korea height system.

  • PDF

Update in the etiology and treatment of sexual precocity (사춘기 조숙증의 원인 및 치료의 최신지견)

  • Park, Mi Jung
    • Clinical and Experimental Pediatrics
    • /
    • v.49 no.7
    • /
    • pp.718-725
    • /
    • 2006
  • The pubertal activation of gonadotrophin releasing hormone(GnRH) requires coordinated changes in excitatory or inhibitory amino acids, growth factors, and a group of transcriptional regulators. The age of onset of puberty is progressing to younger age. Factors affecting early puberty include genetic traits, nutrition(body fat) and exposure to endocrine disrupting chemicals. In rapidly progressing central precocious puberty, gonadotrophin releasing hormone(GnRH) agonists(GnRHa) appear to increase final height if treated early stage. Further large scaled long-term follow-up study of the effects of GnRHa on final height is needed.

Treatment of Intra-articular Calcaneal Fracture with Open Reduction and Internal Fixation (관혈적 정복 및 내고정을 이용한 관절내 종골 골절의 치료)

  • Choi, Jun-Won;Choi, Joon-Cheol;Lee, Young-Sang;Na, Hwa-Yeop;Kim, Woo-Sung;Han, Sang-Ho
    • Journal of Korean Foot and Ankle Society
    • /
    • v.11 no.2
    • /
    • pp.226-231
    • /
    • 2007
  • Purpose: To evaluate the clinical outcomes and radiographic results of open reduction and internal fixation for intraarticular calcaneal fractures. Materials and Methods: We reviewed 20 cases of calcaneal fractures managed with open reduction and internal fixation from March 2003 to January 2005. We used the computed tomographic classification system proposed by Sanders et al to classify these fractures. Preoperative and postoperative Bohler's angle, heel height (calcaneal facet height) and calcaneal length, calcaneal width were measured. The Creighton-Nebraska Health Foundation Assessment score was used for clinical evaluation. Results: There were 12 cases of type II fractures, 5 of type III fractures and 3 of type IV fractures. The mean clinical score was 84.3 for type II, 82.6 for type III and 56.1 for type IV. The mean preoperative $B{\ddot{o}}hler$ angle was $6.1^{\circ}$ and final was $22.8^{\circ}$. The mean preoperative calcaneal facet height was 76.6 mm and final was 80.3 mm (The mean calcaneal facet height was changed from preop 76.6 mm to postop 80.3 mm). The mean preoperative calcaneal length was 88.2 mm and final was 92.6 mm. The mean preoperative width was 38.1 mm and final was 35.6 mm. Conclusion: Open reduction and internal fixation showed good results for type II and III fractures, but for type IV fractures the clinical result was significantly worse than the other types. However, type IV fractures still had restoration of (should be restored in) $B{\ddot{o}}hler's$ angle, calcaneal facet height, calcaneal length and width which may be helpful in later subtalar fusion.

  • PDF

Current use of growth hormone in children (성장호르몬 치료의 최신 지견)

  • Shin, Choong Ho
    • Clinical and Experimental Pediatrics
    • /
    • v.49 no.7
    • /
    • pp.703-709
    • /
    • 2006
  • Since the advent of growth hormone(GH), children with a wide variety of growth disorders have received GH treatment. In GH deficiency(GHD), Turner syndrome, chronic renal failure, children born small for gestational age, Prader-Willi syndrome, and idiopathic short stature, the therapeutic effects and safety profile of GH are reviewed. GH therapy has been clearly shown to improve height velocity and final adult height in a variety of pediatric conditions in which growth is compromised irrespective of GHD. Early initiation and individualization of GH treatment has the potential to normalize childhood growth. The supra-physiological doses of GH have been shown to increase height velocity during childhood and final height in non-GHD conditions. Adverse events during GH therapy are uncommon and often not drug related. However continued surveillance into adult life is crucial, especially in children receiving supra-physiological doses or whose underlying condition increases their risk of adverse effects.

A study and the growth and the development of microvascular complications in patients with type 1 diabetes mellitus (1형 당뇨병 환자의 성장과 미세혈관 합병증 발생에 대한 연구)

  • Lee, Young Ah;Yun, Kyong-Ah;Shin, Choong Ho;Yang, Sei Won
    • Clinical and Experimental Pediatrics
    • /
    • v.50 no.2
    • /
    • pp.190-197
    • /
    • 2007
  • Purpose : Reduced growth and microvascular complications have been recognized as consequences of type 1 diabetes mellitus (T1DM). We assessed the effect of T1DM on growth and factors associated with the development of microvascular complications. Methods : We conducted a retrospective longitudinal evaluation of 154 patients above 16 years of age. We analyzed factors which affect final height standard deviation scores (SDS) and development of microvascular complications. Results : Final height SDS was $-0.11{\pm}1.15$ ($-0.26{\pm}1.33$ in females, $0.04{\pm}0.91$ in males). Final height SDS was significantly lower than midparental height SDS and height SDS at diagnosis. There was no difference in final height SDS according to age at onset, existence or nonexistence of complications, or average $HbA_{1C}$. Height SDS at onset of puberty, midparental height SDS and pubertal growth gain affected final height SDS. The number of patients with complications was 37 (24 percent). Microvascular complications developed at a younger age and after longer duration of diabetes in patients with a prepubertal onset of T1DM compared to patients with pubertal onset. Patients with complications had a higher level of average $HbA_{1C}$ than patients without complications. Patients whose microalbuminuria regressed had lower levels of average $HbA_{1C}$, systolic BP, second 24h urine microalbumin than patients with persistant or progressed microalbuminuria. Conclusion : The results suggest that degrees of glycemic control don't affect final height, but various factors associated with T1DM can impair growth potential. Additionally, the degrees of glycemic control and puberty affect the development of microvascular complications.

Growth hormone therapy in patients with Noonan syndrome

  • Seo, Go Hun;Yoo, Han-Wook
    • Annals of Pediatric Endocrinology and Metabolism
    • /
    • v.23 no.4
    • /
    • pp.176-181
    • /
    • 2018
  • Noonan syndrome (NS) is an autosomal dominant disorder that involves multiple organ systems, with short stature as the most common presentation (>70%). Possible mechanisms of short stature in NS include growth hormone (GH) deficiency, neurosecretory dysfunction, and GH resistance. Accordingly, GH therapy has been carried out for NS patients over the last three decades, and multiple studies have reported acceleration of growth velocity (GV) and increase of height standard deviation score (SDS) in both prepubertal and pubertal NS patients upon GH therapy. One year of GH therapy resulted in almost doubling of GV compared with baseline; afterwards, the increase in GV gradually decreased in the following years, showing that the effect of GH therapy wanes over time. After four years of GH therapy, ~70% of NS patients reached normal height considering their age and sex. Early initiation, long duration of GH therapy, and higher height SDS at the onset of puberty were associated with improved final height, whereas gender, dosage of GH, and the clinical severity did not show significant association with final height. Studies have reported no significant adverse events of GH therapy regarding progression of hypertrophic cardiomyopathy, alteration of metabolism, and tumor development. Therefore, GH therapy is effective for improving height and GV of NS patients; nevertheless, concerns on possible malignancy remains, which necessitates continuous monitoring of NS patients receiving GH therapy.

A Study on the cracks ways minimizing at circular forming (원형포밍 성형 시 크랙 발생 최소화 방안에 관한 연구)

  • Son, Jong-Min;Kim, Sei-Whan;Lee, Chun-Kyu
    • Design & Manufacturing
    • /
    • v.10 no.3
    • /
    • pp.20-24
    • /
    • 2016
  • Foaming is a step of forming by the ratio of the internal combustion chamber in a state where the in flow of the material is suppressed, if the diameter is small and a high to a crack generated on the molding is not possible. The present study, we studied using as part experiments for forming the circular shape of the forming height of 10 mm without the occurrence of cracks, results preformed primary, the need to set the height of the forming than the height of the product, preformed secondary. It was able to increase the height of the molded product with less than the height of the next step to be carried out compression processing to create a small comer of the desired shape. In addition, it was found that on a great influence on the quality of the final quality on the final molding of the primary preformed, secondary.