| 要約: | Background Pseudoaneurysm formation sometimes complicates transplant nephrectomy. We report a case of bleeding from a pseudoaneurysm after transplantation nephrectomy that resulted in shock and emergency endovascular treatment. Case presentation A 56‐year‐old man underwent transplant nephrectomy 3 years and 9 months following transplantation for pyelonephritis‐related infection control. On postoperative day 7, he developed sudden pain in the lower abdomen and subsequently went into shock. A pseudoaneurysm at the anastomosis was detected, and urgent endovascular treatment was performed to stem the bleeding. Conclusion Vascular complications, including pseudoaneurysms, following transplant nephrectomy can be life‐threatening, and comprehensive awareness is needed in careful postoperative management.
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