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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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Contemporary nonsurgical management of acute type A aortic dissection: Better outcomes?

Rana-Armaghan Ahmad1, Felix Orelaru2, Marc Titsworth1

  • 1Department of Cardiac Surgery, Michigan Medicine, Ann Arbor, Mich.

The Journal of Thoracic and Cardiovascular Surgery
|October 22, 2022
PubMed

Insights

Nonsurgical management of acute type A aortic dissection (ATAAD) is associated with significantly higher mortality. However, outcomes improved over time, and it remains a viable option for select patients, particularly those with intramural hematoma.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Disease Management

Background:

  • Acute type A aortic dissection (ATAAD) is a life-threatening condition requiring prompt management.
  • Surgical repair is the standard treatment, but nonsurgical options are considered for specific patient groups.

Purpose of the Study:

  • To evaluate the contemporary outcomes of nonsurgically managed ATAAD.
  • To compare outcomes between surgical and nonsurgical cohorts.
  • To identify factors influencing outcomes in nonsurgically managed ATAAD patients.

Main Methods:

  • Retrospective analysis of 999 ATAAD patients from 1996-2021.
  • Comparison of 839 surgically treated patients with 148 nonsurgically managed patients.
  • Data sourced from chart review and national death index databases.

Main Results:

  • Nonsurgical management had a 9-fold higher in-hospital + 30-day mortality (70% vs 7.9%).
  • Outcomes improved in the later decade (2011-2021) for nonsurgical patients, with lower mortality and aortic rupture rates.
  • Malperfusion syndrome increased aortic rupture risk, while intramural hematoma was associated with lower mortality in nonsurgical patients.

Conclusions:

  • Surgery remains the primary treatment for ATAAD.
  • Nonsurgical management is appropriate for non-surgical candidates due to comorbidities or malperfusion.
  • Acute type A intramural hematoma patients may benefit from nonsurgical management.
Abstract

Keywords:
acute type A aortic dissectionintramural hematomamalperfusion syndromenonsurgical management

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