Advance in hybrid repair of chronic thoracoabdominal aortic dissecting aneurysm
Surgical intervention for chronic thoracoabdominal aortic dissecting aneurysms(cTAADA)is regarded as one of the most challenging procedures in the field of vascular surgery.For nearly six decades,open repair predominantly utilizing prosthetic grafts has been the treatment of choice for cTAADA.With advances in minimally invasive endovascular technologies,two novel surgical approaches have emerged:total endovascular stent-graft repair and hybrid procedures combining retrograde debranching of visceral arteries with endovascular stent-graft repair(abbreviated as hybrid procedure).Although total endovascular stent-graft repair offers reduced trauma and quicker recovery,limitations persist in clinical application due to hostile anatomical requirements of the aorta,high costs,and the lack of universally available stent-graft products.Hybrid repair,integrating the minimally invasive ethos of endovascular repair with visceral artery debranching techniques,has increasingly become a significant surgical modality for managing thoracoabdominal aneurysms,especially in cases unsuitable for open surgery or total endovascular treatment due to anatomical constraints such as aortic tortuosity or narrow true lumens in dissections.Recent enhancements in hybrid surgical approaches include ongoing optimization of visceral artery reconstruction strategies based on hemodynamic analyses,and exploration of the comparative benefits of staged versus concurrent surgical interventions.
chronic thoracoabdominal aortic dissecting aneurysmhybrid repairhemodynamicsstaged surgery
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