Document Detail


[Reference values in abdominal ultrasound - liver and liver vessels].
MedLine Citation:
PMID:  20839165     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Reference values for B-mode abdominal ultrasound are being controversially discussed due to the limited data in the literature. A systematic survey of data published so far is presented for liver and hepatic vessels.
METHODS: A literature search for reference values in the abdomen from 1970 to 2010 in healthy subjects 18 years of age and older was carried out. In accord with the determination of reference intervals for laboratory values, reference values are generally determined with the aid of 95 % reference intervals and the associated 90 % confidence intervals. Evaluated parameters were the size and volume of the liver, the portal vein diameter and cross-section and the diameters of the hepatic veins.
RESULTS: Liver size is usually determined by its longitudinal diameter in the midclavicular line. Although not sufficiently evaluated, < 16 cm can be used as a reference value. Numerous methods, which are not comparable, have been described for the determination of liver volume. For the portal vein diameter, refererence intervals could be deduced from 6 studies. Data from 4 studies on the liver veins differ depending on the exact localisation of measurement.
DISCUSSION: Normal values are helpful in delineating numerous pathological changes in the respective organs. Unfortunately, data are scarce and the examination technique, so far, has not been standardised sufficiently to compare data. A multicentre trial is required to standardise examination techniques and improve the quality of the results.
Authors:
M Sienz; A Ignee; Christoph F Dietrich
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Publication Detail:
Type:  English Abstract; Journal Article; Review     Date:  2010-09-13
Journal Detail:
Title:  Zeitschrift für Gastroenterologie     Volume:  48     ISSN:  1439-7803     ISO Abbreviation:  Z Gastroenterol     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-09-14     Completed Date:  2011-01-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0033370     Medline TA:  Z Gastroenterol     Country:  Germany    
Other Details:
Languages:  ger     Pagination:  1141-52     Citation Subset:  IM    
Copyright Information:
© Georg Thieme Verlag KG Stuttgart · New York.
Affiliation:
Innere Medizin 2, Caritas Krankenhaus Bad Mergentheim, Bad Mergentheim.
Vernacular Title:
Normwerte in der Abdomensonografie - Leber und Lebergefäße.
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MeSH Terms
Descriptor/Qualifier:
Abdomen / ultrasonography*
Adolescent
Adult
Aged
Aged, 80 and over
Female
Hepatic Artery / ultrasonography*
Hepatic Veins / ultrasonography*
Humans
Internationality
Liver / ultrasonography*
Male
Middle Aged
Organ Size
Reference Values
Reproducibility of Results
Sensitivity and Specificity
Ultrasonography / standards*
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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