[Is delayed surgical repair admitted for the thrombosed aortic dissection?]

Kazuhiro Myojin1, Y Ishibashi, K Ishii

  • 1Division of Cardiovascular Surgery, Hokkaido Cancer Center, Sapporo, Japan.

Insights

Delayed surgical repair is a viable strategy for acute thrombosed aortic dissection, reducing unnecessary operations. This approach demonstrated comparable survival and event-free rates for both Type A and Type B dissections.

Area of Science:

  • Cardiovascular Surgery
  • Vascular Medicine
  • Thoracic Surgery

Context:

  • Thrombosed aortic dissection treatment remains controversial.
  • Initial management strategies vary, impacting patient outcomes.
  • Retrospective analysis of acute thrombosed aortic dissection cases.

Purpose:

  • To evaluate the efficacy of delayed surgical repair versus initial medical management for acute thrombosed aortic dissection.
  • To compare outcomes between medically and surgically treated patients.
  • To identify predictors for delayed surgical intervention.

Summary:

  • Ninety-six patients with acute thrombosed aortic dissection (35 Type A, 61 Type B) were initially treated medically.
  • Delayed surgery was performed for uncontrollable cardiac tamponade, recanalization, large ulcer-like projections, or aortic enlargement.
  • Both Type A and Type B dissections showed similar 1- and 5-year survival and event-free rates, regardless of initial treatment strategy.
  • A lower false-to-true lumen ratio (F/T ratio) was observed in operated Type A cases (31% vs. 51%).
  • Operated Type B cases presented with a larger initial aortic size compared to non-operated cases.

Impact:

  • Conservative management for thrombosed aortic dissection can decrease unnecessary surgeries.
  • The strategy of delayed surgical repair is justified, offering a safe and effective alternative.
  • Provides evidence supporting a more selective surgical approach in managing thrombosed aortic dissections.