Cannie et al reported equations for estimating left and right fetal lung volumes if the total lung volume is known. The authors are from University Hospital Gasthuisberg in Leuven, Belgium.
Patient selection: normal fetus
Parameters:
(1) total lung volume in mL
right lung volume in mL =
= 0.57 * (total lung volume) =
left lung volume in mL =
= (0.43 * (total lung volume)
right lung volume in mL =
= (1.26 * (left lung volume)) + 0.90
left lung volume in mL =
= ((right lung volume) – 0.9) / 1.26 =
= (0.794 * (right lung volume)) – 0.714
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