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Endovascular treatment of renal artery stenosis improves contralateral renal hypertrophy with nephrotic syndrome

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Abstract

Nephrotic syndrome due to renovascular hypertension is uncommon. We herein report a case of nephrotic syndrome associated with unilateral atherosclerotic renal artery stenosis. A 76-year-old woman who had been taking antihypertensive medication for more than 15 years was referred to our hospital for treatment of uncontrolled hypertension and massive proteinuria in the nephrotic range. An abdominal bruit was heard, and laboratory findings showed high plasma renin activity and hypokalemia. Renal computed tomography angiography showed severe stenosis of the ostium of the right renal artery and an atrophic right kidney. The left renal artery was normal and the left kidney was compensatorily enlarged. After admission, we started treatment with an angiotensin II receptor blocker and subsequently performed percutaneous transluminal renal angioplasty with renal artery stent placement. As a result, her blood pressure became well controlled and the massive proteinuria disappeared. In addition, her stenotic-side renal atrophy was resolved, concomitant with an improvement in her renal function. The contralateral renal hypertrophy was also resolved.

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The authors have declared that no conflict of interest exists.

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Authors and Affiliations

  1. Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan

    Hiromichi Wakui, Yuki Hosokawa, Jin Oshikawa, Kouichi Tamura, Yoshiyuki Toya, Machiko Yabana, Shuta Furihata, Teruyasu Sugano & Satoshi Umemura

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  1. Hiromichi Wakui
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  2. Yuki Hosokawa
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  3. Jin Oshikawa
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  4. Kouichi Tamura
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  5. Yoshiyuki Toya
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  6. Machiko Yabana
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  7. Shuta Furihata
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  8. Teruyasu Sugano
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  9. Satoshi Umemura
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Correspondence to Hiromichi Wakui.

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Wakui, H., Hosokawa, Y., Oshikawa, J. et al. Endovascular treatment of renal artery stenosis improves contralateral renal hypertrophy with nephrotic syndrome. CEN Case Rep 3, 53–55 (2014). https://doi.org/10.1007/s13730-013-0085-y

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  • DOI: https://doi.org/10.1007/s13730-013-0085-y

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