Aneurysm sac hygroma: a cause of endotension.

  title={Aneurysm sac hygroma: a cause of endotension.},
  author={B I Risberg and Martin Delle and Elof Eriksson and Hans Klingenstierna and Lars Birger L{\"o}nn},
  journal={Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists},
  volume={8 5},
PURPOSE To describe a new pathophysiological mechanism for endotension. CASE REPORTS Four patients developed aneurysm sac expansion after repair of abdominal aortic aneurysms, one with a conventional polytetrafluoroethylene (PTFE) graft and the others with a variety of commercially made endografts (2 PTFE, 1 Dacron). Pressures within the sacs were nonpulsatile and approximately half the systemic blood pressure. Attenuation on computed tomography (CT) was significantly less in the sac than in… CONTINUE READING


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