The Analysis Of The Correlated Influence Factors On Child Aged 1 To 3 Years Care Bone Mass In Kunming, Yunnan Province

Rickets is a chronic disease with unbalance between calcium and phosphorus metabolism resulting from deficience of Vitamin D in children,of which the feature is the pathological changes of skeleton resulting from abnormal calcification of the growing osteoepiphysic cartilage plate.Rickets can affect children's health,which is one of the diseases that our country mainly prevented and treated.The incidence of rickets is slowly and ignorance easily.The obvious symptoms appeared because of the lower body resistance.This disease easily suffer from pneumonia,diarrhea, anemia and other diseases easily.A very small number of cases may cause dilated cardiomyopathy,or even lead to heart failure.Although rickets is rarely life-threatening,but can cause bone deformity and affect children's physical and mental development.The incidence of rickets trend will affect children's bone mineral density,and lead to decline of bone contants level.The accumulation of bone contants is a dynamic and continuous process.The fastest-growing stage of bone mineral density is usually early in childhood and adolescence,depending children and young people receive adequate period of accumulation of bone mass.It may be prevent the occurance of osteoporosis.Evironmental and genetic factors may contribute to bone mass.Environmental factors include nutrition,movement situation,living situation,living systle It is valuable to pay more attention to environmental factors since only they can be modified,controlled and interfered.The current domestic and international research suggests:the value of bone mineral density in early life (children and young people) is the best indicators of forecasting the adult bone state. There are the factors of affecting bone accumulation and peak mass in the children and adolescents.The domestic research of the bone mineral density and the impact factors has make considerable progress.But so far,there are rarely the report about the current situation of the newborn bone mineral density and the research in the impact factors.Therefore it is theoretical and practical significance for early preventing rickets in children,increasing bone mass and reducing the adult osteoporosis and fractures to realize the level of neonatal bone mass and the movement character of bone mineral density and research in the relevant impact factors on bone mass and bone mineral density.It also provide the basis for the further longitudinal study of infant bone mass in the future and collect the information to the research in the development of human lifetime bones.This subject is to investigate and study the newborn bone mineral density in Kunming,analyse the related impact factors.In the study,we evaluate the association of bone mass with bone mineral density,dietary calcium,outside activities,living environment and physical develpment after adjusting for other potential confounders.The results may provide scientific evdience for early preventing the develoment of osteoporosis and rickets.[Objective]:In order to investigate the level of bone mass of child aged 1 to 3 years and the correlated influence factors in KunMing,Yunnan Province,this research has carried on questionnaire investigation to influential factors.[Method]:Bone mineral density of left midshaft tibia of 113 child care,aged 1 to 3 years,was measured with Aonuo ultrasound bone sonometer.Then the survey of its born life style,eating habit,movement situation,living situation and family background during pregrance has been taken by means of questionnaire investigation and direct interview.[Result]:1.The BMD of elder children(2～3 years) was significantly higher than of younger children(1～2 years).2.No significant difference of BMD was found between the male and female infants.3.The BMD of the young children had positive correlation with the height and weight.4.The BMD of the young children had positive correlation with calcium intake.5.The BMD of the neonates had positive correlation with the mother's milk.6.The BMD of the young children had positive correlation with length of day and outdoor activity.7.The BMD of the young children had positive correlation with parents' culture degree.[Conclusion]:The correlated influence factors of Bone Mineral Density in young children,KunMing city were respective:children's age,mother's milk intake,height,weight,outdoor exercises,calcium supplementation and parents' culture degree.So it is the effective way that more milk intake,calcium supplementation and outdoor exericise in enhancing bone mineral density,increasing the level of bone mass.