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Ultrasensitive detector pinpoints big problem in tiny fetal heart
Date:4/5/2010

At the University of Wisconsin-Madison, one of the most powerful magnetic detectors in the world is helping screen high-risk pregnant patients for rare but very serious fetal heart rhythm problems. Thanks to a collaboration with The Medical College of Wisconsin, Milwaukee; Children's Hospital of Wisconsin, Milwaukee; and Hope Children's Hospital, Chicago, the ultrasensitive detector measures magnetic signals coming from the tiny beating hearts of fetuses.

The translational research program allows pediatric cardiologists and obstetricians from around the country to gather additional data and offer their patients the best treatment options.

"It's the only place in the country dedicated to evaluating rare and very serious fetal heart rhythm problems using biomagnetism," says Dr. Ron Wakai, the professor of medical physics at the UW School of Medicine and Public Health who created the lab. "In a typical year, we see between 50 and 70 patients, the vast majority around their 25th week of pregnancy."

Janette Strasburger, a pediatric cardiologist at Children's Hospital of Wisconsin and a professor of pediatrics at The Medical College of Wisconsin (both in Milwaukee), supervises each patient during the procedure along with her obstetrical research nurse, Gretchen Eckstein.

Strasburger and Wakai teamed up eight years ago to study how biomagnetism could be used to diagnose fetal heart problems. They were soon joined by Bettina Cuneo, a pediatric cardiologist from Hope Children's Hospital in Chicago, who also specializes in fetal cases. With a solid scientific foundation now under their belts, the team has almost single-handedly created the emerging field of fetal cardiac arrhythmia care.

The result, says Strasburger, "is the closest thing there is to a cardiac intensive care unit for fetuses, with continuous monitoring while the mother and fetus are with us at the lab."

The hearts of the fetuses referred for evalu
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Contact: Toranj Marphetia
toranj@mcw.edu
414-955-4700
Medical College of Wisconsin
Source:Eurekalert

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