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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
485
Preoperative Mechanical Ventilation Prior to Surgical Repair for Type A Aortic Dissection: Incidence, Risk, and
Angelo M Dell'Aquila1,2, Konrad Wisniewski2, Adrian-Iustin Georgevici3
1Department of Cardiac Surgery, University Hospital Halle, 06120 Halle, Germany.
Journal of Cardiovascular Development and Disease
|July 25, 2025
Summary
Preoperative invasive mechanical ventilation (IMV) for type A aortic dissection is common and doubles in-hospital mortality. Tailoring surgical strategies for these high-risk patients is crucial for improving outcomes.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Critical Care Medicine
Background:
- Type A aortic dissection often necessitates preoperative invasive mechanical ventilation (IMV).
- Limited data exists on the prevalence and outcomes of patients with type A aortic dissection requiring IMV.
- This study addresses this knowledge gap using a multicenter European registry.
Purpose of the Study:
- To determine the prevalence of preoperative IMV in patients undergoing surgical repair for type A aortic dissection.
- To identify predictors of in-hospital mortality in this patient subset.
- To evaluate the association between preoperative IMV and in-hospital mortality.
Main Methods:
- Analysis of 3735 patients from the European Registry of Type A Aortic Dissection (ERTAAD).
- Bootstrapped Least Absolute Shrinkage and Selection Operator (LASSO) logistic regression for variable selection.
- Multilevel multivariable logistic regression (MMLR) to account for data clustering.
Main Results:
- 9.3% of patients (346/3735) required preoperative IMV.
- IMV patients had higher rates of organ malperfusion (52% vs. 35%) and aortic root tears.
- In-hospital mortality was significantly higher in IMV patients (38% vs. 15%), with IMV independently associated with increased mortality (OR 2.13).
Conclusions:
- Preoperative IMV is a frequent requirement in type A aortic dissection.
- Patients requiring IMV face a twofold increased risk of in-hospital mortality.
- Awareness of this risk profile is essential for tailoring surgical approaches and improving outcomes.
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