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Related Experiment Video

Updated: Jun 27, 2026

Continuous Telemetric In Utero Tracheal Pressure Measurements in Fetal Lambs

Continuous Telemetric In Utero Tracheal Pressure Measurements in Fetal Lambs

Published on: December 22, 2023

Maternal pulmonary edema during fetoscopic surgery.

Marnie B Robinson¹, Timothy M Crombleholme, Charles D Kurth

¹Department of Anesthesiology, Cincinnati Children's Hospital and Medical Center, Cincinnati, Ohio, USA.

Anesthesia and Analgesia

|November 21, 2008

Summary

Minimally invasive fetal surgery for twin reverse arterial perfusion sequence can lead to fluid overload. Postoperative pulmonary edema in the mother may result from significant intravenous absorption of surgical irrigation fluid.

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Area of Science:

Obstetrics and Gynecology
Fetal Medicine
Minimally Invasive Surgery

Background:

Minimally invasive fetal surgery enables percutaneous access for intrauterine procedures.
Twin reverse arterial perfusion sequence (TRAP) is a rare complication of monochorionic twinning.

Observation:

A case of a mother undergoing fetal surgery for TRAP sequence is presented.
The procedure utilized ultrasound and fetoscopic guidance with significant saline irrigation.

Findings:

The mother developed postoperative pulmonary edema.
A potential cause is the absorption of approximately 8 liters of irrigation fluid via venous channels in the myometrium.

Implications:

This case highlights a potential risk of fluid overload and pulmonary edema in mothers undergoing extensive fetal surgery.
Careful monitoring of fluid balance and consideration of alternative irrigation techniques may be warranted.