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Equation of Faschingbauer et al for Estimating the Weight of a Fetus with Congenital Diaphragmatic Hernia (CDH)

Description

Faschingbauer et al reported an equation for predicting estimated weight of a fetus with congenital diaphragmatic hernia (CDH). The authors are from multiple institutions in Germany.


Patient selection: congenital diaphragmatic hernia, within 7 days of delivery

 

Parameters:

(1) head circumference (HC)

(2) femur length in cm (FL)

(3) abdominal circumference in cm (AC)

(4) liver herniation

 

Parameter

Finding

Points

head circumference

 

0.2365011768 * (HC)

femur length

 

(0.2228897682 * ((FL)^2)) - (0.0129895773 * ((FL)^3))

femur length and head circumference

 

(-1.0470039072 * (((FL) * (HC))^0.5))

abdominal circumference and head circumference

 

(0.0004314661 * (AC) * (HC))

liver herniation

no

0

 

yes

-0.0062112122

 

value of X =

= SUM(points for all of the parameters) + 4.6729107371

 

estimated fetal weight in grams =

= 10^(X)


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