発作性上室性頻拍を合併した胎児心房中隔瘤の1症例

概要

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We report a case of atrial septal aneurysm possibly causing paroxysmal supraventricular tachycardia (PSVT), successfully diagnosed in utero. The fetus was noted to have supraventricular premature contraction (SVPC) at 32 weeks' gestation, and at 36 weeks' two-dimensional echocardiography revealed a redundant membraneous structure at the level of the foramen ovale bulging into the left atrial cavity, indicating atrial septal aneurysm. The SVPC consequently shifted to PSVT at 37 weeks. An attempt at pharmacological conversion with transplacental digoxin administration was in effective and cesarean delivery was performed. After birth, PSVT was completely converted to sinus rhythm at the 27th neonatal day and atrial septal aneurysm spontaneously disappeared by 5 months.
社団法人日本産科婦人科学会の論文
1999-03-01