Intravascular Ultrasound Detects Coarctation of the Renal Artery in a Patient with Moyamoya Disease.

  • HOSHINO Yoichi
    Second Department of Internal Medicine, Gunma University School of Medicine
  • NAKANO Akihiko
    Second Department of Internal Medicine, Gunma University School of Medicine
  • OGURI Masato
    Second Department of Internal Medicine, Gunma University School of Medicine
  • SUGUTA Masahiko
    Second Department of Internal Medicine, Gunma University School of Medicine
  • TOMITA Tomoyuki
    Second Department of Internal Medicine, Gunma University School of Medicine
  • FUJIMAKI Eriko
    Second Department of Internal Medicine, Gunma University School of Medicine
  • IMAI Susumu
    Second Department of Internal Medicine, Gunma University School of Medicine
  • NAKAMURA Tetsuya
    Second Department of Internal Medicine, Gunma University School of Medicine
  • HASEGAWA Akira
    Second Department of Internal Medicine, Gunma University School of Medicine
  • KURABAYASHI Masahiko
    Second Department of Internal Medicine, Gunma University School of Medicine

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Abstract

A 19-year-old man with moyamoya disease was diagnosed as having renovascular hypertension, based on stenosis of the proximal portion of the right renal artery with elevated plasma renin activity. Intravascular ultrasound (IVUS) imaging at the renal artery lesion revealed focal narrowing of the renal artery without vascular wall thickening (i.e., coarctation). The coarctation of the renal artery was adequately dilated by stent implantation after suboptimal balloon angioplasty. After the procedure, the patient’s hypertension improved. The findings of the present case suggest that IVUS-guided renal angioplasty is an effective therapeutic procedure for correcting coarctation of the renal artery in patients with moyamoya disease. (Hypertens Res 2001; 24: 283-287)

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