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Related Experiment Videos

Mediastinal false aneurysm after thoracic aortic surgery.

T Katsumata1, N Moorjani, G Vaccari

  • 1Department of Cardiac Surgery, Oxford Heart Centre, The John Radcliffe Hospital, England.

The Annals of Thoracic Surgery
|September 2, 2000
PubMed
Summary
This summary is machine-generated.

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Surgical repair of mediastinal false aneurysms is complex but achievable. Radical surgery, especially for infected cases, offers good outcomes, while local repairs may lead to recurrence.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Surgery

Background:

  • Postoperative mediastinal false aneurysms present significant morbidity and mortality risks.
  • Surgical intervention is essential, with treatment tailored to aneurysm characteristics.

Purpose of the Study:

  • To evaluate surgical outcomes for anastomotic mediastinal false aneurysms of the proximal thoracic aorta.
  • To assess the safety and efficacy of hypothermic low-flow perfusion in managing these complex cases.

Main Methods:

  • Ten patients with proximal thoracic aorta false aneurysms underwent surgical repair between 1993 and 1999.
  • Procedures included direct suture repair, aortic homograft replacement, or Dacron graft interposition, all utilizing hypothermic perfusion.

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Main Results:

  • One hospital death occurred due to staphylococcal mediastinitis.
  • Two recurrences after direct suture repair led to one late death.
  • Eight surviving patients showed good outcomes at a mean 2-year follow-up, including three with mycotic aneurysms treated with homografts.

Conclusions:

  • Mediastinal false aneurysms require challenging surgical management.
  • Hypothermic low-flow perfusion facilitates safe surgical reentry.
  • Radical surgery is effective for infected aneurysms; local repairs may increase recurrence risk.