Body-Surface-Area Related Renal Volume: A Common Normal Range from Birth to Adulthood

Renal volume is an important parameter of renal development. Deviations from normal volume may indicate pathologic conditions. Thus, during childhood, the ever changing renal volumes require the continuous referral to normal volume charts in order to classify actual volumes, which is rather inconven...

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Main Authors: Th. Scholbach, D. Weitzel
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Scientifica
Online Access:http://dx.doi.org/10.6064/2012/949164
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author Th. Scholbach
D. Weitzel
author_facet Th. Scholbach
D. Weitzel
author_sort Th. Scholbach
collection DOAJ
description Renal volume is an important parameter of renal development. Deviations from normal volume may indicate pathologic conditions. Thus, during childhood, the ever changing renal volumes require the continuous referral to normal volume charts in order to classify actual volumes, which is rather inconvenient. In daily practice this is frequently disregarded and kidneys are evaluated by their appearance only. Therefore, we tested the hypothesis that body surface area (BSA) and renal volume grow proportionally from birth to adulthood. We divided the renal volume of a child by its BSA to get the BSA-related renal volume (BSARV) and found no differences between left and right kidneys and a normal distribution for all kidneys regardless of the patient’s age. BSARV has a common normal range for all age groups with the 10th percentile of 45 and the 90th percentile of 85 mL/m2. 80% of all kidneys do not exceed the volume of their counterparts by more than 20%. BSARV alleviates the correct evaluation of a child’s renal volume regardless of age and reveals pathological influences by the simple observation that a kidney deviates from a former percentile or z-value. This is especially valuable in the followup of kidneys with chronic diseases.
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spelling doaj-art-d3614a1753e04046a0a6098a746f3c2d2025-08-20T02:19:50ZengWileyScientifica2090-908X2012-01-01201210.6064/2012/949164949164Body-Surface-Area Related Renal Volume: A Common Normal Range from Birth to AdulthoodTh. Scholbach0D. Weitzel1Klinik für Kinder- und Jugendmedizin, Städtischen Klinikum, Chemnitz gGmbH, Flemmingstraße 4, 09116 Chemnitz, GermanyFachbereich Kinderheilkunde und Jugendmedizin, Deutsche Klinik für Diagnostik, Aukamm Allee 33, 65191 Wiesbaden, GermanyRenal volume is an important parameter of renal development. Deviations from normal volume may indicate pathologic conditions. Thus, during childhood, the ever changing renal volumes require the continuous referral to normal volume charts in order to classify actual volumes, which is rather inconvenient. In daily practice this is frequently disregarded and kidneys are evaluated by their appearance only. Therefore, we tested the hypothesis that body surface area (BSA) and renal volume grow proportionally from birth to adulthood. We divided the renal volume of a child by its BSA to get the BSA-related renal volume (BSARV) and found no differences between left and right kidneys and a normal distribution for all kidneys regardless of the patient’s age. BSARV has a common normal range for all age groups with the 10th percentile of 45 and the 90th percentile of 85 mL/m2. 80% of all kidneys do not exceed the volume of their counterparts by more than 20%. BSARV alleviates the correct evaluation of a child’s renal volume regardless of age and reveals pathological influences by the simple observation that a kidney deviates from a former percentile or z-value. This is especially valuable in the followup of kidneys with chronic diseases.http://dx.doi.org/10.6064/2012/949164
spellingShingle Th. Scholbach
D. Weitzel
Body-Surface-Area Related Renal Volume: A Common Normal Range from Birth to Adulthood
Scientifica
title Body-Surface-Area Related Renal Volume: A Common Normal Range from Birth to Adulthood
title_full Body-Surface-Area Related Renal Volume: A Common Normal Range from Birth to Adulthood
title_fullStr Body-Surface-Area Related Renal Volume: A Common Normal Range from Birth to Adulthood
title_full_unstemmed Body-Surface-Area Related Renal Volume: A Common Normal Range from Birth to Adulthood
title_short Body-Surface-Area Related Renal Volume: A Common Normal Range from Birth to Adulthood
title_sort body surface area related renal volume a common normal range from birth to adulthood
url http://dx.doi.org/10.6064/2012/949164
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