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[Nonsurgical treatment of renovascular hypertension by percutaneous transluminal angioplasty].
Masaya Usami, Hisashi Oda, Shigeki Nabeshima, Takeshi Kotake, T Kobayashi, Keisuke Kidoguchi
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Abstract
A case of renovascular hypertension treated with percutaneous transluminal angioplasty is reported. Our patient was a 22-year-old housewife with 90 per cent stenosis of the right renal artery due to fibromuscular dysplasia. The renal artery was dilatated by percutaneous transluminal angioplasty with a Grützig balloon catheter to 25 per cent stenosis. Five hours after the procedure, blood pressure decreased from 180/114 mmHg to 130/95 mmHg; one day after, plasma renin activity fell from 4.7 ng/ml/hr to 1.7 ng/ml/hr. The patient was rehospitalized six months after percutaneous transluminal angioplasty to examine restenosis of the dilatated renal artery. Although her blood pressure remained normotensive and plasma renin activity was normal, replasty was performed since selective renal arteriography revealed 50 per cent stenosis.