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Advanced ultrasound may find more fetal cardiac anomalies: after 18 weeks' gestation.(Obstetrics)
LA JOLLA, CALIF. -- Advanced ultrasound equipment may be better than standard systems at detecting some fetal heart anomalies in obese women who are at more than 18 weeks' gestation, Dr. Israel Hendler said at the annual meeting of the Central Association of Obstetricians and Gynecologists.
These findings are encouraging, because the risk of fetal anomalies, most notably cardiac anomalies and neural tube defects, is higher in obese than in nonobese women. Standard ultrasound equipment is good at visualizing fetal cardiac anomalies in nonobese women, but less effective in heavier women, he said.
But the advanced equipment offered no improvement over the standard apparatus at visualizing the fetal heart in obese women at 14-18 weeks" gestation.
Dr. Hendler and his associates at Wayne State University, Detroit, performed a retrospective analysis on a computerized ultrasound database of 7,029 women at 14-24 weeks' gestation, including 2,498 who were clinically obese, defined as a body mass index greater than or equal to 30 kg/[m.sup.2].
Within that population, 615 of the obese and 1,214 of the nonobese patients were examined with the standard HDI 3000 ultrasound system, manufactured by Philips Medical Systems, and 1,866 of the ...
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