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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Renal artery stenting in patients with a solitary functioning kidney.

PURPOSE: To retrospectively evaluate the results of renal artery stenting in patients with renovascular disease and a solitary functioning kidney. METHODS: Palmaz stents were placed in 16 patients with a solitary functioning kidney, renal artery stenosis, hypertension and renal failure. Stenoses were evaluated with color Doppler ultrasound, MR angiography and digital subtraction angiography (DSA). Indications for stenting were: recoil after percutaneous transluminal renal angioplasty (PTRA) (63%), arterial dissection after PTRA (13%) and primary stenting (25%). Immediate results were evaluated by DSA. On follow-up (6-36 months), patients underwent periodical evaluation of clinical conditions (blood pressure and serum creatinine level) and stent patency, by means of color Doppler ultrasound. RESULTS: Stent placement was successful in all patients (100%). Cumulative primary patency rate was: 100% at 1 day, 93.75% at 6 months, 81.25% at 12 months and 75% at 24 months. A significant reduction in diastolic blood pressure occurred (mean +/- SD 104 +/- 6 vs 92 +/- 3; p < 0.05); renal function improved or stabilized in over 80% of patients. However, there was no significant difference in the creatinine values before and after treatment (mean +/- SD 200 +/- 142 micromol/l vs 197 +/- 182 micromol/l; p > 0.05). CONCLUSION: Renal artery stenting, both after PTRA and as primary stenting, represents a safe procedure, able to preserve renal function in patients with a solitary functioning kidney.[1]


  1. Renal artery stenting in patients with a solitary functioning kidney. Cioni, R., Vignali, C., Petruzzi, P., Neri, E., Caramella, D., Vagli, P., Bargellini, I., Napoli, V., Pinto, S., Bartolozzi, C. Cardiovascular and interventional radiology. (2001) [Pubmed]
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