Annals of vascular surgery · 2015
Combined frozen elephant trunk and endovascular repair for extensive thoracic aortic aneurysms.
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Anselmi Amedeo, Ruggieri Vito Giovanni, Harmouche Majid, Fouquet Olivier, Kaladji Adrien, Flécher Erwan, Beneux Xavier, Lucas Antoine, Verhoye Jean-Philippe
Аннотация
BACKGROUND: We describe a 1-step treatment of extensive arch and descending aortic aneurysm by combination of frozen elephant trunk (FET) (hybrid endoprosthesis) and of conventional endoprosthesis deployment.
METHODS: In a single-center, prospective, treatment-only study, the clinical data of 4 patients receiving combined FET and distal endoprosthesis deployment in the descending aorta were prospectively collected. Thoracic endoprostheses were deployed either retrogradely (off-pump from the femoral arterial access) or antegradely (from the aortic arch during hypothermic arrest). A distal-first approach was used ("trombone" mechanism). Spinal cord protection was achieved by transposition of the left subclavian artery to the left common carotid artery and selective antegrade cerebral perfusion. Preoperative computed tomography scan was performed to identify the collateral circulation. Preoperative planning was assisted by a sizing software (Endosize, Therenva Inc.).
RESULTS: The aortic coverage was extended down to the orifice of the celiac trunk in one case and to the T8 level in the remainders. There was no operative mortality, 1 transient paraparesis, and 1 case of renal insufficiency. Follow-up results were satisfying (no device migration, no endoleak, no endotension, and no late neurologic complications).
CONCLUSIONS: The present strategy may abolish the risks connected with the waiting time between the surgical first step and the later completion (aortic-related adverse events and drop-out) and deserves further investigations to determine its safety and feasibility profile.
METHODS: In a single-center, prospective, treatment-only study, the clinical data of 4 patients receiving combined FET and distal endoprosthesis deployment in the descending aorta were prospectively collected. Thoracic endoprostheses were deployed either retrogradely (off-pump from the femoral arterial access) or antegradely (from the aortic arch during hypothermic arrest). A distal-first approach was used ("trombone" mechanism). Spinal cord protection was achieved by transposition of the left subclavian artery to the left common carotid artery and selective antegrade cerebral perfusion. Preoperative computed tomography scan was performed to identify the collateral circulation. Preoperative planning was assisted by a sizing software (Endosize, Therenva Inc.).
RESULTS: The aortic coverage was extended down to the orifice of the celiac trunk in one case and to the T8 level in the remainders. There was no operative mortality, 1 transient paraparesis, and 1 case of renal insufficiency. Follow-up results were satisfying (no device migration, no endoleak, no endotension, and no late neurologic complications).
CONCLUSIONS: The present strategy may abolish the risks connected with the waiting time between the surgical first step and the later completion (aortic-related adverse events and drop-out) and deserves further investigations to determine its safety and feasibility profile.