TY - JOUR T1 - Prevalence of Hypercalciuria In 6-12 Years Old Children in Urban and Rural Regions of Kashan, 2004 TT - بررسی شیوع هیپرکلسیوری و عوامل مرتبط با آن در کودکان 12-6 ساله شهرستان کاشان در سال 1383 JF - KAUMS JO - KAUMS VL - 9 IS - 2 UR - http://feyz.kaums.ac.ir/article-1-137-en.html Y1 - 2005 SP - 21 EP - 23 KW - Hypercalciuria KW - nephrolithiasis N2 - Background: Hypercalciuria is the most common cause of nephrolithiasis. Many hypercalciuric patients are visited in pediatricians’ offices. Various factors like solutes of water and diet affect the prevalence of hypercalciuria in different areas. So this study was carried out to evaluate the prevalence of hypercalciuria and its related factors in 6-12 years old children in Kashan.Materials and Methods: This descriptive study was done on 400 children aged 6-12 years old in kashan city and its villages. After determining the sample size and selecting the school that should be studied, investigating teams were instructed about sampling and collecting data. The questionnaire was completed for every child who had not signs of hyperparathyroidism, Cushing syndrome and history of excessive use of vitamin D. Urine samples were collected in plastic sealed labeled containers and were sent to central laboratory of university. Then sodium, creatinin and calcium of samples were tested by flame – Phothometer and RA 1000 apparatus. Children with urine calcium to creatinin ratio more than 0.2 and urine sodium more then 200 meq/lit were known respectively as hypercalcouria and hypernatriuria.Results: The study was done on 362 out of 400 cases. The prevalence of hypercalciuria was 34.2%, of them 58.1% was male while 47.9% of children without hypercalciuria was male (P M3 ER -