Abstract
Background
Renal hemorrhage is a potentially life-threatening event that may follow trauma, operation, biopsy, and sudden spontaneous rupture of renal tumors or aneurysms. Superselective renal artery embolization (SRAE) is a well-established method for such cases.
Objectives
To assess the effectiveness of SRAE in the treatment of renal hemorrhage at our institute.
Materials and methods
We respectively reviewed the medical records of patients who underwent SRAE for renal hemorrhage from January 2005 to June 2012. Data on patients’ characteristics, indications, requirement of pre-embolization blood transfusion, angiographic finding, location of bleeding site, embolization agents, post-embolization transfusion requirement, complications and the outcome were recorded.
Results
A total of 46 patients, aged 26–73 years, underwent SRAE because of hemorrhage after percutaneous nephrolithotomy (n = 25), partial nephrectomy (n = 6), renal biopsy (n = 2), trauma (n = 2), rupture of angiomyolipoma (n = 4), renal aneurysm (n = 1), and renal ateriovenous malformations (n = 6). A total of 41 patients (80.8 %) underwent successful embolization. Treatment failed in 5 patients with hemorrhage caused by percutaneous nephrolithotomy. Of these, four patients underwent a secondly superselective embolization and had a successful outcome. The remaining one was managed by conservative therapy with repeated blood transfusions. No patient required nephrectomy to save the life of the patient. No serious procedure-related complications occurred.
Conclusions
SRAE is an effective and minimal invasive method for the control of renal hemorrhage. Our experience strongly recommended the first-line use of SRAE for severe renal hemorrhage.
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Acknowledgments
This study was supported by the National Natural Science Foundation of China (Grant No. 81101717/H1611) and the Natural Science Foundation of Zhejiang Province (Grant No. Y2110120).
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Wang, C., Mao, Q., Tan, F. et al. Superselective renal artery embolization in the treatment of renal hemorrhage. Ir J Med Sci 183, 59–63 (2014). https://doi.org/10.1007/s11845-013-0972-4
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DOI: https://doi.org/10.1007/s11845-013-0972-4