What question did this study set out to answer?

To determine the effect of patient position and body habitus on renal length and parenchymal area in pediatric patients undergoing renal ultrasound.

February 11, 2016The Journal of Urology

Analysis of Kidney Ultrasound Dimensions by Body Habitus and Position

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Authors

EKErik KoubaNavicent Health BNBeverley NewmanLucile Packard Children's Hospital LSLinda M. Dairiki ShortliffeStanford Medicine

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Implication

Prospective study reveals poor agreement between prone and supine ultrasound measurements in children, indicating imaging positions cannot be used interchangeably.

Key Points

To determine the effect of patient position and body habitus on renal length and parenchymal area in pediatric patients undergoing renal ultrasound.
Prospective evaluation of children undergoing bilateral renal ultrasound while positioned both prone and supine between October 2010 and January 2011.
Assessed bilateral renal length (complete for 201 right and 196 left kidneys) and renal parenchymal area (complete in 177 children).
Evaluated measurement bias, correlation, and limits of agreement using Pearson correlation and Bland-Altman statistical analyses.
Supine and prone measurements correlated strongly on Pearson analysis for both renal length (r > 0.96) and parenchymal area (r > 0.89).
Bland-Altman analysis demonstrated greater than 50% variance between differences and means, showing wide limits of agreement and poor interchangeability between positions.
Neither persistent systematic measurement bias nor patient body habitus influenced the variation between prone and supine positions.

Cite This Study

Kouba et al. (2016) studied this question.

synapsesocial.com/papers/6a893100eb3171c94f2000bf https://doi.org/10.1016/j.juro.2016.02.044

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Implication

Prospective study reveals poor agreement between prone and supine ultrasound measurements in children, indicating imaging positions cannot be used interchangeably.

Analysis of Kidney Ultrasound Dimensions by Body Habitus and Position

Discussion

Member takes

Implication

Key Points

Cite This Study

Analysis of Kidney Ultrasound Dimensions by Body Habitus and Position

Discussion

Member takes

Implication

Key Points

Cite This Study

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