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Sonographic measurement of renal size in normal Indian children

A Otiv1, K Mehta, U Ali

  • 1Division of Pediatric Nephrology, Bai Jerbai Wadia Hospital for Children, Parel, Mumbai, India. anjali.otiv@gmail.com

Indian Pediatrics
|February 10, 2012
PubMed

Insights

This study establishes normal renal size values for Indian children using sonography. Renal length strongly correlates with body height, allowing for easy calculation via regression equations.

Area of Science:

  • Pediatric Nephrology
  • Medical Imaging
  • Anthropometry

Background:

  • Establishing reference ranges for organ size is crucial for diagnosing pediatric kidney conditions.
  • Sonography is a non-invasive imaging modality widely used in pediatric diagnostics.

Purpose of the Study:

  • To establish sonographically determined reference values for renal size (length, width, thickness) in a cohort of normal Indian children.
  • To correlate renal dimensions with anthropometric parameters (age, weight, height, body surface area).

Main Methods:

  • A cross-sectional observational study was conducted on 1000 healthy Indian children aged 1 month to 12 years.
  • Renal size was assessed using sonography with a 3.5-5 MHz transducer and electronic calipers.
  • Statistical analysis included calculating mean dimensions with standard deviations and deriving regression equations.

Main Results:

  • No significant differences in renal size were observed between sexes or between the right and left kidneys.
  • A strong positive correlation (r=0.9) was found between renal length and body height.
  • Renal dimensions showed significant correlation with age, weight, and body surface area.

Conclusions:

  • This study provides valuable reference data for renal length (mean ± 2SD) in normal Indian children.
  • A simple linear regression equation derived from body height can reliably estimate renal length.
Abstract

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