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Clinical application of transcatheter renal artery embolization (report of 53 cases)

WANG Xuan,QI Guan hua,TANG Peng,et al.Department of Radiology,the First Hospital of Huai′an,Jiangsu 223300,P.R.China  
Objective:To evaluate the effect of renal artery embolization for the renal tumor and renal hemorrhage.Methods:In 53 patients,the embolization was achieved with the gelatin sponge,thread segment,NT CRE,self blood coagulum or absolute ethanol.Results:41 cases of renal tumor were performed the renal artery embolization as an adjuvant preoperative therapy,followed by successful resection of tumors with the average blood transfusion of 405ml during nephrectomy.The survival of 4 cases with late renal carcinoma was respectively 3.5,13,17,25 months after palliative renal artery embolization.In one case with renal arteriovenous fistula and 4 with renal trauma,bleeding had been successfully controlled by means of renal artery embolization.Only one case with renal arteriovenous fistula failed to stop bleeding after superselective renal segmental artery embotization and nephrectomy was carried out.Conclusion:Renal artery embolization may be recommended as an adjuvant preoperative therapy for renal tumor or a palliative management for late carcinoma and an effective treatment of choice for renal trauma or renal arteriovenous fistula.
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