What question did this study set out to answer?

To determine the error of sonographic measurements of relative renal volume by comparing them with relative renal function measurements obtained via 99mTc-DMSA scintigraphy in children.

July 1, 1993American Journal of Roentgenology

Sonographic measurement of relative renal volume in children: comparison with scintigraphic determination of relative renal function.

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Authors

MSMichael A. SargentTexas A&M University – San Antonio SGSumiti GuptaPandit Bhagwat Dayal Sharma Post Graduate Institute of Medical Sciences

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Implication

Comparative study demonstrates strong agreement between sonographic renal volume and scintigraphic function in pediatric patients, indicating ultrasound reliably estimates relative kidney size.

Key Points

To determine the error of sonographic measurements of relative renal volume by comparing them with relative renal function measurements obtained via 99mTc-DMSA scintigraphy in children.
Evaluated 52 children aged 2 months to 16 years who underwent both 99mTc-DMSA scintigraphy and renal sonography on the same day with independent interpretation.
Calculated relative renal volume using the prolate ellipsoid formula and compared it to relative right kidney function from direct posterior scintigrams using standard deviation of differences and limits of agreement.
In 33 children with normal kidneys, right kidney relative function was 50.1 ± 2.5% and relative volume was 49.1 ± 3.1%, yielding a mean difference of 1.0 ± 2.8% with 95% limits of agreement of -4.7% to 6.7%.
Across all 52 patients, relative renal volume strongly correlated with relative renal function (r = .94; 95% limits of agreement: -5.8% to 8.6%), though agreement was wider in 19 children with abnormal kidneys with a maximum observed difference of 10.9%.

Cite This Study

Sargent et al. (1993) studied this question.

synapsesocial.com/papers/6a76bf087ecc675f86ae0393 https://doi.org/10.2214/ajr.161.1.8390789

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Implication

Comparative study demonstrates strong agreement between sonographic renal volume and scintigraphic function in pediatric patients, indicating ultrasound reliably estimates relative kidney size.

Sonographic measurement of relative renal volume in children: comparison with scintigraphic determination of relative renal function.

Discussion

Member takes

Implication

Key Points

Cite This Study

Sonographic measurement of relative renal volume in children: comparison with scintigraphic determination of relative renal function.

Discussion

Member takes

Implication

Key Points

Cite This Study

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