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Clinical estimation of liver span in infants and children
Insights
This study establishes normal liver span values for children, finding age and sex are key factors influencing liver size. These findings aid in routine physical examinations for pediatric liver assessment.
Area of Science:
- Pediatrics
- Clinical Measurement
- Human Anatomy
Background:
- Liver span is a key indicator of liver size and health.
- Establishing normative data for liver span in children is crucial for accurate clinical assessment.
- Previous studies may lack comprehensive data across a wide pediatric age range.
Purpose of the Study:
- To determine the normal liver span in infants and children.
- To identify factors influencing liver span in the pediatric population.
- To establish age- and sex-specific reference values for liver span.
Main Methods:
- Percussion was used to determine the upper and lower liver borders in the midclavicular line.
- Liver span was measured in 350 infants and children.
- Statistical analysis was performed to correlate liver span with age, sex, height, and weight.
Main Results:
- Mean liver span showed a curvilinear relationship with age, ranging from 1.9 cm at 1 week to 7.7 cm in males and 6.3 cm in females at 20 years.
- Age and sex were the primary determinants of liver size in children with normal growth.
- Height and weight showed correlation but did not significantly improve prediction beyond age and sex.
Conclusions:
- Normal liver span values for male and female children across different ages have been established.
- These reference values are essential for routine physical examinations and pediatric liver assessment.
- Minor illnesses like otitis and gastroenteritis do not appear to impact liver span in children.
Abstract:
The liver span in 350 infants and children was determined by percussion of the upper and lower borders in the midclavicular line. Mean liver span was found to be related to age curvilinearly and ranged from a minimum of 1.9 cm at 1 week of age to a maximum of 7.7 cm in males and 6.3 cm in females at 20 years of age. In children with normal growth patterns, age and sex were found to be the major factors influencing liver size. Though height and weight also correlated with liver span, these variables did not add substantially to the correlation using age and sex alone. The presence of minor systemic illnesses, eg, otitis and gastroenteritis, did not affect liver span. The expected normal values for liver span at different ages for male and female children have been established and provide the basis for comparison during routine physical examination.