Mesenteric malperfusion complicated with type A acute aortic dissection.

Area of Science:

• Cardiovascular Surgery
• Vascular Surgery
• Gastrointestinal Surgery

Background:

• Type A acute aortic dissection (AAAD) is a life-threatening condition requiring emergent surgical repair.
• Despite timely intervention, operative mortality for AAAD remains high (15-30%).
• Mesenteric malperfusion is a rare but devastating complication of AAAD, associated with substantially higher mortality.

Purpose of the Study:

• To review current evidence on the incidence, mortality, and treatment of mesenteric malperfusion in patients with AAAD.
• To highlight the significant impact of mesenteric malperfusion on AAAD outcomes.
• To identify limitations in the existing treatment strategies for this complication.

Main Methods:

• Systematic review of contemporary evidence.
• Analysis of incidence and mortality data for mesenteric malperfusion in AAAD.
• Evaluation of available treatment options and their outcomes.

Main Results:

• Mesenteric malperfusion complicates approximately 4% of AAAD cases.
• The early mortality rate for AAAD patients with mesenteric malperfusion is 68%.
• Patients with mesenteric malperfusion face a 9.7-fold increased risk of mortality compared to those without it.

Conclusions:

• Mesenteric malperfusion represents a critical and high-mortality complication of Type A acute aortic dissection.
• Current evidence regarding optimal management strategies for this specific complication is scarce.
• Further research is urgently needed to establish effective treatment protocols for mesenteric malperfusion in AAAD.