Aberrant venous flow measurement may predict the clinical behavior of a fetal extralobar pulmonary sequestration

Fetal Diagnosis and Therapy
Yoshihiro KitanoNobuyuki Morikawa

Abstract

Fetal extralobar pulmonary sequestration (EPS) is sometimes complicated by a massive pleural effusion, leading to tension hydrothorax and fetal hydrops. The goal of this study was to examine sonographic signs of venous obstruction in fetal EPS with or without pleural effusion. Records of fetal ultrasound from 6 patients with EPS were reviewed with special attention to aberrant arterial and venous flow. The results were correlated with their clinical outcomes. Four of the 6 cases (cases 1-4) were complicated by massive pleural effusion and required fetal thoracentesis; thoracoamniotic shunt placement was required in 3 of these 4 patients (cases 1-3). The other 2 patients (cases 5 and 6) were not associated with pleural effusion despite the comparable size of the mass and did not require any treatment, either prenatally or postnatally. In cases 1-3, aberrant venous flow was difficult to detect and, even when detected, the arterial-to-venous flow velocity ratio was >6. This is in contrast to the uncomplicated cases 5 and 6 in whom aberrant venous flow was easily detected with an arterial-to-venous flow velocity ratio of 2-3. Arterial-to-venous flow velocity ratios of 3-6 were observed in case 4. This case was complicated by pleura...Continue Reading

References

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Citations

Mar 13, 2012·Revue des maladies respiratoires·N Khen-Dunlop, Y Révillon
Oct 12, 2010·International Journal of Older People Nursing·Lorraine Venturato
Dec 15, 2020·Clinical Imaging·Michela GabelloniEmanuele Neri

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