机译：Objective: To explore the causes of delayed hemorrhage after partial nephrectomy and its prevention and treatment methods. Methods: Clinical data for 64 cases of patients who received partial nephrectomy from August of 2010 to December of 2015 were retrospectively analyzed;whereas, 3 cases of patients (4.7%) had delayed hemorrhage, including 1 case of male patient and 2 cases of female patients. Then, compared them with patients with no hemorrhage to explore the risk factors for hemorrhage after partial nephrectomy. Results: Three cases of patients showed a large volume of gross hematuria in 7-22 days (the average was 16.3 days) after partial nephrectomy, with blood pressure and hemoglobin (HGB) decreased. 2 cases of patients with hemorrhage were given blood transfusion and conservative treatment, and patients'' conditions were improved obviously. The other patient was given super-selective renal artery embolization (SRAE), with renal arteriography indicating the presence of pseudoaneurysm. Hematuria disappeared after surgery. In comparison with the non-hemorrhage group, warm ischemia time was longer in the hemorrhage group, and the difference was of statistical significance (p < .05). Conclusions: Hemorrhage occurred after partial nephrectomy is mostly delayed. Once the type of complications happens, it is required to provide a timely treatment. Super-selective renal artery embolization (SRAE) is a safe and effective treatment method for hemorrhage after partial nephrectomy.
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