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ORLANDO, FLA. -- Prior surgical repair of congenital heart defects doesn't protect against the subsequent occurrence of symptomatic arrhythmias in pregnancy, Dr. Koichiro Niwa reported at the annual scientific sessions of the American Heart Association.
Not only were women with surgically repaired congenital heart disease at increased risk of symptomatic arrhythmias during pregnancy, they were also more likely to have a low-birth-weight baby, added Dr. Niwa, who is with the Chiba (Japan) University cardiovascular center.
These were among the key findings of a Japanese national survey of the cardiovascular impact of maternal congenital heart defects during pregnancy, an area which has not previously been well defined.
Of 1,026,930 pregnancies in Japan during the study period, 0.25% involved women with congenital heart disease. Arrhythmias that were symptomatic and / or involved hemodynamic compromise were documented in 167 (6.6%) pregnancies in mothers with congenital heart ...
Source: HighBeam Research, Congenital defects tied to arrhythmia in pregnancy: prior surgical...