The Effect of the Amniotic Fluid Index on the Accuracy of Ultrasonographic-Estimated Fetal Weight

Karahanoğlu, Ertuğrul; Altınboğa, Orhan; Akpınar, Funda; Gültekin, İsmail Burak; Özdemirci, Şafak; Akyol, Alpaslan; Yalvaç, Serdar

doi:10.1097/ruq.0000000000000275

Cited by 19 publications

(17 citation statements)

References 17 publications

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“…(21) yaptıkları çalışmada tahmini fetal ağırlık ölçümünü doğumdan önceki bir haftalık süre içerisinde yapmışken, Karahanoğlu ve ark. (22) bu süreyi 72 saate kadar kısaltmışlardır. Biz de çalışmamızda fetal ağırlık tahminini en yüksek doğrulukla tespit edebilmek için ultrason muayenesi doğumdan önce en fazla 48 saat önce yapılmış olan gebeleri çalışmamıza dahil ettik.…”

Section: Gereç Ve Yöntemunclassified

“…Bizim çalışmamızda olgiohidramnios ve normal amnion sıvısı olan grupta sırasıyla absolute yanılma oranları %7.3 ve %6.65 olarak bulunurken, Karahanoğlu ve ark. (22) , Perni ve ark. (16) , Blitz ve ark.…”

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“…Çalışmamızda oligohidramnios grubunda tahmini doğum ağırlığı gerçek doğum ağırlığından fazla ölçülen gebelerin oranı %53.6 olarak bulunurken yine Karahanoğlu ve ark. (22) ile Blitz ve ark. (21) da benzer şekilde oligohidramnios grubunda bu oranı sırasıyla %66.3 ve %68.0 olarak bulmuştur.…”

Section: Gereç Ve Yöntemunclassified

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The Effect of Oligohydramnios on Estimated Fetal Weight Measurements in Term Pregnancies

Günay¹,

Bilir²,

Hocaoğlu³

et al. 2020

İKSST

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Objective: The role of amniotic fluid volume, as a potential factor that may affect the estimated fetal weight measurements remains controversial. The objective of our study was to investigate the effect of oligohydramnios on the accuracy of fetal weight estimation in term pregnancies with oligohydramnios. Method: The data of 207 pregnants diagnosed with oligohydramnios and 610 pregnants with a normal amniotic fluid volume in between January 2018 and June 2019 were compared retrospectively.Amniotic fluid volume and estimated fetal weight measurements were performed via ultrasonographic examination in all pregnants up to 48 hours before birth. Hadlock-4 Formula was used as the estimated fetal weight scale. After picking the estimated fetal weights and actual birthweights in two groups, absolute error, absolute error rates, rates of pregnancies with a higher and a lesser fetal weight estimations were compared. Results: The mean estimated fetal weights were 3.110 (550) g in Group 1 (oligohydramnios) and 3420 (665) g in Group 2 (normal amniotic fluid volume). The actual birth weights were 3.130 (620) g and 3.410 (660) g for Group 1 and 2, respectively. Both values in Group 1 were detected as lower significantly, when their estimated and actual fetal birthweights compared with Group 2. The error between estimated fetal weights and actual birthweights was 240 (160) g, error rate was 7.3% (4.5) in Group 1. The error and error rates were 230 (200)g and 6.9% (6.0) in Group 2, respectively. When the error and error rates compared in groups, any significant difference was not detected. Conclusion: There is no any relation between oligohydramnios and estimated fetal birthweight in term pregnancies.There seems a tendency to measure estimated fetal weights higher in oligohydramniotic pregnancies.

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The Effect of Oligohydramnios on Estimated Fetal Weight Measurements in Term Pregnancies

Günay¹,

Bilir²,

Hocaoğlu³

et al. 2020

İKSST

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“…In addition, the study calculated different regression lines for the connection between the estimated birth weights and the actual weights for the 2500 4000-g weight range. The formulas were examined in this way for possible inhomogeneities [11].…”

Section: Introductionmentioning

confidence: 99%

Higher Concordance in Clinical Assessment versus Ultrasound to Estimate Fetal Weight when it compares with Birth Weight in Full-Term Newborns

Velastegui-Ayala

González-Andrade

2021

REV-SEP

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Introduction: the aim of this trial was to estimate fetal weight by clinical and ultrasound methods and to compare with the weight at birth in full-term newborns. Methods: This is an epidemiological, observational, cross-sectional study of a cohort of healthy full-term newborns. The sample size was 102 neonates born at the Pablo Arturo Suarez Hospital, in Quito, Ecuador, from November 2019 to January 2020. Results: In full-term neonates, the estimate on ultrasound was 80.00%, while in the clinical assessment was 72.29%. The profile of newborn analyzed is man, mestizo, Ecuadorian, born in the highlands region, with a mean gestational age of 38.67 weeks and a mean birth weight of 3,023 grams, in whom it estimated the fetal weight through ultrasound and clinical assessment. The estimation of the absolute error in both methods analyzed was 2.43% to ultrasound and -4.65% to clinical assessment, and both showed moderate concordance, 78.2% to ultrasound, and 85.6% to clinical assessment. Multivariate analysis showed the neonates with modified weight by ultrasound are 13.44 times more likely to show altered weight at birth, while neonates with modified weight by the clinical assessment are 11.95 times more likely to show altered weight at birth. Conclusions: Accuracy in the clinical assessment was always higher than in the ultrasound method, especially in low weight newborns.

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“…It has an important role in the assessment and planning of the delivery progress, it allows the clinician to predict possible complications such as macrosomia and plan for obstetric interventions where needed [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Sonographic Versus Clinical Fetal Weight Estimation Accuracy

Helali¹,

Sayed²,

Hassan³

2018

JOGRS

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Background: Sonographic fetal weight estimation is an important component of antenatal care. It was found to be more reliable method to establish fetal weight at term and more consistent in various period of gestations. Aim of study: to compare clinical and sonographic methods for assessment of fetal weight regarding sensitivity, specificity and accuracy. Subjects and Methods: The study recruited 100 women scheduled for delivery from ante-natal care clinic with 38 weeks or more of gestation. Fetal weight was assed clinically and by ultrasound. Both techniques were compared and analyzed. Results: Ultrasound assessment of fetal weight showed better performance than the clinical method regarding absolute errors and error percentages. Ultrasound assessment showed better sensitivity and specificity in detecting fetal weight > 3500 gm. Moreover, it showed less bias on Bland–Altman plot analysis. Conclusions: Ultrasound assessment of fetal weight is safe, reliable and sensitive method of fetal weight estimation.

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The Effect of the Amniotic Fluid Index on the Accuracy of Ultrasonographic-Estimated Fetal Weight

Abstract: There were no significant differences in the accuracy of EFW between oligohydramnios and polyhydramnios. However, there was a tendency for overestimation in both types of cases.

Cited by 19 publications

References 17 publications

The Effect of Oligohydramnios on Estimated Fetal Weight Measurements in Term Pregnancies

The Effect of Oligohydramnios on Estimated Fetal Weight Measurements in Term Pregnancies

Higher Concordance in Clinical Assessment versus Ultrasound to Estimate Fetal Weight when it compares with Birth Weight in Full-Term Newborns

Sonographic Versus Clinical Fetal Weight Estimation Accuracy

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