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Updated: Jan 26, 2026

Veno-Venous Extracorporeal Membrane Oxygenation in a Mouse
Published on: October 24, 2018
Delayed retroperitoneal hemorrhage during veno-venous extracorporeal membrane oxygenation: a case report
Gaku Sugiura1,2, Naofumi Bunya1, Ayumu Yamaoka1,3
1Department of Emergency Medicine Sapporo Medical University Sapporo Hokkaido Japan.
Case:
There are several reports of retroperitoneal hemorrhage induced by percutaneous femoral cannulation for extracorporeal membrane oxygenation (ECMO). However, there are no reports of delayed retroperitoneal hemorrhage, which develops a few days after ECMO initiation and is unrelated to the ECMO cannulation. Herein, we report a rare case of delayed retroperitoneal hemorrhage during veno-venous extracorporeal membrane oxygenation (VV-ECMO).
Outcome:
A 54-year-old man was referred to our hospital because of severe acute respiratory distress syndrome. We initiated VV-ECMO. The patient had severe delirium and was confined to a long-term supine position to maintain circuit safety. On day 13, computed tomography unexpectedly revealed a large retroperitoneal hemorrhage spreading around the psoas muscle.
Conclusion:
Delayed retroperitoneal hemorrhage can develop during VV-ECMO management a few days after its initiation. Anticoagulant use and forceful muscular strain could be risk factors of delayed retroperitoneal hemorrhage.
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