The Follow up of Chinese Young Children With Melamine-Related-Calculus

Zhejiang University

Status: Unknown

Conditions: Calculus

Study type: Observational

Funder types: Other

Identifiers

NCT00895765

2008ZX007

zoucc1

20082X010

Details and patient eligibility

About

The purpose of this study is to investigate the lesions, clinical features and outcome in young children with melamine-related-calculus.

Full description

1. To investigate the outcome of melamine-related-calculus.

   • The change of calculus.
   • The change of obstruction features,including hydronephrosis and ureterectasia.
   • The change of the urinalysis.

2. To investigate the change of renal function in children with melamine-related-calculus during the follow up.

   • Creatinine, urea and uric acid.
   • α and β2 microglobulin.

3. To analysis the factors might be associated with the outcome.

   • The characteristics of patients: age, gender, and so on.
   • The characteristics of calculus: location, size, and so on.

Enrollment: 250 estimated patients

Sex: All

Ages: Under 5 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• children with melamine-related-calculus: with a history of melamine contaminated products
• the parents leave the detailed information for contact and willing to be recalled

Exclusion criteria

• children with other congenital renal abnormality
• children with hypercalciuria
• children have abnormality of parathyroid gland