Antenatal Ultrasonographic Anteroposterior Renal Pelvis Diameter Measurement : Is It a Reliable Way of Defining Fetal Hydronephrosis?
Joint Authors
Bouzada, Maria Cândida Ferrarez
Pereira, Alamanda Kfoury
de Oliveira, Eduardo Araújo
Reis, Zilma Silveira Nogueira
Osanan, Gabriel Costa
Cabral, Antônio Carlos Vieira
Source
Obstetrics and Gynecology International
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-5, 5 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-05-17
Country of Publication
Egypt
No. of Pages
5
Main Subjects
Abstract EN
Purpose.
It was to quantify the intraobserver and interobserver variability of the sonographic measurements of renal pelvis and classify hydronephrosis severity.
Methods.
Two ultrasonographers evaluated 17 fetuses from 23 to 39 weeks of gestation.
Renal pelvis APD were taken in 50 renal units.
For intraobserver error, one of them performed three sequential measurements.
The mean and standard deviation from the absolute and percentage differences between measurements were calculated.
Bland-Altman plots were used to visually assess the relationship between the precision of repeated measurements.
Hydronephrosis was classified as mild (5.0 to 9.9 mm), moderate (10.0 to 14.9 mm), or severe (≥15.0 mm).
Interrater agreement were obtained using the Kappa index.
Results.
Absolute intraobserver variation in APD measurements was 5.2±3.5%.
Interobserver variation of ultrasonographers was 9.3±9.7%.
Neither intraobserver or interobserver error increased with increasing APD size.
The overall percentage of agreement with the antenatal hydronephrosis diagnosis was 64%.
Cohen's Kappa to hydronephrosis severity was 0.51 (95% CI, 0.33 to 0.69).
Conclusion.
Inter and intraobserver APD measurement errors were low in these group, but the agreement to hydronephrosis diagnosis and classification was fair.
We suggest that standard and serial APD measurement can better define and evaluate fetal hydronephrosis.
American Psychological Association (APA)
Pereira, Alamanda Kfoury& Reis, Zilma Silveira Nogueira& Bouzada, Maria Cândida Ferrarez& de Oliveira, Eduardo Araújo& Osanan, Gabriel Costa& Cabral, Antônio Carlos Vieira. 2011. Antenatal Ultrasonographic Anteroposterior Renal Pelvis Diameter Measurement : Is It a Reliable Way of Defining Fetal Hydronephrosis?. Obstetrics and Gynecology International،Vol. 2011, no. 2011, pp.1-5.
https://search.emarefa.net/detail/BIM-504226
Modern Language Association (MLA)
Pereira, Alamanda Kfoury…[et al.]. Antenatal Ultrasonographic Anteroposterior Renal Pelvis Diameter Measurement : Is It a Reliable Way of Defining Fetal Hydronephrosis?. Obstetrics and Gynecology International No. 2011 (2011), pp.1-5.
https://search.emarefa.net/detail/BIM-504226
American Medical Association (AMA)
Pereira, Alamanda Kfoury& Reis, Zilma Silveira Nogueira& Bouzada, Maria Cândida Ferrarez& de Oliveira, Eduardo Araújo& Osanan, Gabriel Costa& Cabral, Antônio Carlos Vieira. Antenatal Ultrasonographic Anteroposterior Renal Pelvis Diameter Measurement : Is It a Reliable Way of Defining Fetal Hydronephrosis?. Obstetrics and Gynecology International. 2011. Vol. 2011, no. 2011, pp.1-5.
https://search.emarefa.net/detail/BIM-504226
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-504226