Decision-making in type-B dissection: current evidence and future perspectives

Area of Science:

• Cardiovascular Surgery
• Vascular Medicine
• Medical Imaging

Background:

• Aortic dissection is a serious cardiovascular condition affecting 3.5:100,000 individuals.
• It encompasses conditions like intramural hematoma and penetrating aortic ulcers, often seen in older patients with atherosclerosis.
• Classification is based on extent, lesion mechanism, duration, and uncomplicated versus complicated course.

Purpose of the Study:

• To review current management strategies for aortic dissection.
• To highlight the role of conservative versus interventional treatment based on dissection type.
• To discuss future directions in aortic dissection treatment and prevention.

Main Methods:

• Review of existing literature on aortic dissection classification and treatment.
• Analysis of outcomes for conservative management in uncomplicated type-B dissection.
• Evaluation of endovascular interventions, including stent-graft implantation, for complicated cases.

Main Results:

• Conservative treatment with blood pressure and heart rate control is effective for uncomplicated type-B dissection.
• Early stent-graft implantation may improve aortic remodeling and reduce late complications.
• Intervention is typically required for acute complicated cases, with stent-grafts addressing malperfusion.

Conclusions:

• Understanding disease mechanisms, advancing imaging, and using dedicated stent-grafts will improve outcomes.
• Pharmacological prevention, strict follow-up, and family screening are valuable.
• Improved patient selection enables risk-stratified preventive treatment with low morbidity.