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KMID : 0361120150290030160
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Korean Journal of Transplantation
2015 Volume.29 No. 3 p.160 ~ p.165
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Treatment of Renal Transplant Recipients with Concurrent Acute Cellular Rejection and Transplant Renal Artery Stenosis
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Kim Hee-Yeoun
Yun Jeong-Hee
Kim Dong-Han
Lee Jin-Ho
Oh Joon-Seok
Kim Sung-Min
Shin Yong-Hun
Kim Joong-Kyung
Kim Yong-Jin
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Abstract
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Transplant renal artery stenosis (TRAS) is a common surgical complication after kidney transplantation (KTP) and is the cause of allograft dysfunction. TRAS is a potentially curable cause of refractory hypertension and allograft dysfunction which accounts for approximately 1% to 5% of cases of post-transplant hypertension. Acute cellular rejection (ACR) is also common after KTP, which is the main cause of allograft dysfunction. Although the incidence of ACR has declined with the advent of new immunosuppressive drugs, it is still around 15% worldwide. Although each disease is frequently seen individually, seeing both together is rare. A 42-year-old man with end stage renal disease underwent KTP, and the donor was his younger brother. Four months after KTP, his serum creatinine was increased to 2.1 mg/dL, and renal biopsy showed interstitial lymphocytic infiltration and tubulitis. With the diagnosis of acute T-cell mediated rejection, steroid pulsing therapy was started, but it was resisted. Therefore thymoglobulin 60 mg (1 mg/kg/day) was administered for 6 days, but serum creatinine was 1.8 mg/dL. Abdomen magnetic resonance angiography showed TRAS, stenosis at the anastomosis site and lobar artery in the lower pole. Percutaneous transluminal angiography was performed successfully. After balloon angioplasty, the stenotic lesion showed a normal size and blood flow. The patient's renal function returned to normal levels and he is currently being followed up for 9 months.
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KEYWORD
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Transplant renal artery stenosis, Acute cellular rejection, Kidney transplantation
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