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The relationship between body mass index and renal length in obese children

Gönül Parmaksız1, Şenay Demir Kekeç2, Nurcan Dinler Cengiz3

  • 1Faculty of Medicine Seyhan, Adana Dr. Turgut Noyan Training and Research Center, Department of Pediatric Nephrology, Başkent University, Adana, Turkey. gonulped1@hotmail.com.

Pediatric Nephrology (Berlin, Germany)
|January 31, 2020
PubMed

Insights

Pediatric obesity is a growing concern. This study found a significant relationship between body mass index (BMI) and kidney size in children, developing nomograms to aid in evaluating renal length in obese youth.

Area of Science:

  • Pediatric Nephrology
  • Medical Imaging
  • Public Health

Background:

  • Pediatric obesity is a significant public health issue linked to numerous comorbidities.
  • Renal length is a crucial parameter for diagnosing and monitoring kidney diseases.
  • Understanding renal size in relation to body mass is vital for pediatric health assessments.

Purpose of the Study:

  • To investigate the correlation between ultrasonographically measured renal length and body mass index (BMI) in obese children.
  • To establish nomograms for renal length based on BMI in the pediatric population.
  • To provide a tool for better evaluation of renal size in overweight and obese children.

Main Methods:

  • Renal ultrasound performed on 368 children without renal disease.
  • Children categorized into normal weight, overweight, and obese groups based on BMI percentiles.
  • Analysis of age, gender, weight, height, and renal length (right and left) in relation to BMI.

Main Results:

  • Significant differences in weight, height, BMI, and renal length were observed across the BMI groups (p=0.001).
  • Renal length showed significant correlations with BMI, age, and height.
  • Developed nomograms for renal length in obese children using multiple regression analysis (R²=0.32, p=0.0001).

Conclusions:

  • Ultrasonographic renal length measurement correlated with BMI in children.
  • Nomograms can assist in evaluating renal size, particularly in obese children where smaller kidneys might be missed.
  • This method provides an additional tool for assessing renal dimensions in pediatric obesity.
Abstract

Keywords:
Body mass indexChildrenNomogramObesityRenal length

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