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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

349

Myocardial Priority Promotes Cardiovascular Recovery for Acute Type A Aortic Dissection Combined with Coronary Artery

Lian Duan1, Chengliang Zhang1, Xuliang Chen1

  • 1Department of Cardiovascular Surgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China.

Journal of Personalized Medicine
|September 28, 2023
PubMed

Insights

The myocardial priority (MP) strategy for acute type A aortic dissection (ATAAD) with coronary artery disease (CAD) offers better organ perfusion and recovery. This approach shortens myocardial ischemic time, benefiting patients with non-severe CAD.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Surgery

Background:

  • Optimal surgical strategy for acute type A aortic dissection (ATAAD) with coronary artery disease (CAD) is not well-defined.
  • Investigating myocardial protective strategies is crucial for improving outcomes in ATAAD patients with CAD.

Purpose of the Study:

  • To compare the cardiovascular protective effects of the myocardial priority (MP) strategy versus traditional selective cerebral perfusion (SCP) in ATAAD patients with CAD.
  • To evaluate the impact of these strategies on intraoperative parameters and postoperative recovery.

Main Methods:

  • Retrospective analysis of 214 adult patients with ATAAD and CAD.
  • Propensity-score matching of 79 pairs into SCP and MP groups.
  • Follow-up period of 6 to 36 months to assess outcomes.

Main Results:

  • The MP group demonstrated shorter myocardial ischemic time, higher perfusion flow, and better radial artery pressure.
  • MP group showed a lower incidence of NIRS decrease and improved postoperative recovery metrics (shorter hospital stay, less blood loss).
  • Similar adverse cardiac and cerebrovascular events were observed, but MP group had lower creatinine and higher PaO2/FiO2.

Conclusions:

  • The myocardial priority (MP) strategy is associated with shortened myocardial ischemic time and better perfusion in ATAAD with non-severe CAD.
  • MP strategy may lead to improved postoperative recovery, including reduced organ dysfunction markers.
  • Further research may confirm MP as a beneficial strategy for specific ATAAD patient populations with CAD.

Keywords:
aortic arch surgeryblood conservationbranch prioritycoronary artery stenosismyocardial protectiontype A dissection

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