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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
[Recent advances in thoracic aortic surgery]
1Division of Cardiac Surgery, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Insights
Surgical treatment for thoracic aortic diseases is complex. Advances in imaging, brain protection, and endovascular repair offer improved strategies for patients with thoracic aortic pathology.
Area of Science:
- Cardiovascular Surgery
- Thoracic Aortic Diseases
- Medical Imaging
Context:
- Surgical treatment for thoracic aortic diseases presents significant challenges.
- Precise diagnostic information is crucial for surgical strategy determination.
- Terminology for certain aortic pathologies remains debated, with 'acute aortic syndrome' proposed for emergent cases.
Purpose:
- To review recent advancements in the surgical and endovascular treatment of thoracic aortic diseases.
- To highlight progress in diagnostic imaging and cerebral protection techniques.
- To discuss the evolving landscape of thoracic aortic pathology management.
Summary:
- Advanced imaging modalities like CT and MRI enhance diagnostic accuracy for thoracic aortic diseases.
- Therapeutic progress includes improved brain protection strategies (antegrade/retrograde cerebral perfusion) during aortic arch surgery.
- Endovascular aortic repair (EVAR) with stent grafting represents a key emerging technology, enabling aggressive treatment for high-risk patients.
Impact:
- Improved diagnostic capabilities lead to more precise surgical planning.
- Enhanced brain protection techniques reduce perioperative neurological complications.
- Emergence of endovascular repair expands treatment options for complex thoracic aortic pathologies, particularly in high-risk individuals.
Abstract:
Surgical treatment for thoracic aortic diseases has been challenging for cardiovascular surgeons. Advances in diagnostic modalities such as multidetector row computed tomography, magnetic resonance imaging, and transesophageal and epiaortic echocardiography provide precise information to determine the surgical strategy. The pathologic entity of acute aortic dissection has been clearly defined, although the terminology for penetrating aortic ulcer, intramural hematoma, and thrombosed aortic dissection remains controversial. The term "acute aortic syndrome" has been advocated for emergent treatment. Therapeutic advances in total aortic arch replacement have been remarkable, particularly in the field of brain protection. Selective antegrade cerebral perfusion and retrograde cerebral perfusion have been developed since the 1990s and refined mainly by Japanese surgeons. Endovascular aortic repair with stent grafting is the most recent emerging technology that encourages a more aggressive strategy for the treatment of high-risk patients with thoracic aortic pathology.
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Thoracic Aorta
