Revista portuguesa de cirurgia cardio-toracica e vascular : orgao oficial da Sociedade Portuguesa de Cirurgia Cardio-Toracica e Vascular · 2017
Elective 2nd Stage TEVAR to Complete Frozen Elephant Trunk in the Surgical Correction of Complex Multisegmental Pathology of the Thoracic Aorta.
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Laranjeira Santos Álvaro, Cruz Tomás António, Varela-Afonso Daniela, Pinheiro Santos Jorge, Fragata José
Аннотация
INTRODUCTION: Classical conventional surgery to treat multi-segmental thoracic aortic disease in two operative stages, sternotomy and left thoracotomy, is associated with significant mortality and complications. The Frozen Elephant Trunk (FET) associated with an endovascular procedure (TEVAR) allows an extensible and simplified surgical approach of the descending and thoracoabdominal aorta without increasing the risk.
METHODS: Retrospective study of 8 patients (pts), 5 males, mean age 67.5 ± 4.2 years, with ascending and arch disease associated with descending aortic disease (chronic dissection 2 pts, aneurysmal disease 6 pts), treated between January 2014 and September 2017. All survivors are periodically followed up in our outpatient clinic with CT or MRI angiography.
RESULTS: The average follow-up period is 18,7 ± 12,2 months. In the first stage (FET) - the left subclavian was conserved in all cases. In six of these pts, after an average period of 37 days, a TEVAR was performed, to complete the exclusion of the aneurysmal sac or the false lumen in the descending aorta. In 2 pts, the interval was longer and in the same intervention, a fenestrated endoprosthesis was implanted in the abdominal aorta by the vascular team. After TEVAR, mean ICU time was 16 hours and hospitalization was 5,2 days. One pt died in the 1st month post-intervention TEVAR + EVAR fenestrated. The remaining pts are stable and asymptomatic, in Class I NYHA, without endoleaks and with the expected involution of the aneurysmal sac and positive remodeling of the aorta. There were no cases of paraplegia or other neurological complications documented.
CONCLUSION: This strategy is safe and effective. Clinical follow- -up associated with close postoperative imaging surveillance is required not only to determine the optimal interval between the two stages, which is dependent on the anatomy and underlying pathology of each patient, but also to identify possible complications. The quality of life of these pts in the medium-term is excellent.
METHODS: Retrospective study of 8 patients (pts), 5 males, mean age 67.5 ± 4.2 years, with ascending and arch disease associated with descending aortic disease (chronic dissection 2 pts, aneurysmal disease 6 pts), treated between January 2014 and September 2017. All survivors are periodically followed up in our outpatient clinic with CT or MRI angiography.
RESULTS: The average follow-up period is 18,7 ± 12,2 months. In the first stage (FET) - the left subclavian was conserved in all cases. In six of these pts, after an average period of 37 days, a TEVAR was performed, to complete the exclusion of the aneurysmal sac or the false lumen in the descending aorta. In 2 pts, the interval was longer and in the same intervention, a fenestrated endoprosthesis was implanted in the abdominal aorta by the vascular team. After TEVAR, mean ICU time was 16 hours and hospitalization was 5,2 days. One pt died in the 1st month post-intervention TEVAR + EVAR fenestrated. The remaining pts are stable and asymptomatic, in Class I NYHA, without endoleaks and with the expected involution of the aneurysmal sac and positive remodeling of the aorta. There were no cases of paraplegia or other neurological complications documented.
CONCLUSION: This strategy is safe and effective. Clinical follow- -up associated with close postoperative imaging surveillance is required not only to determine the optimal interval between the two stages, which is dependent on the anatomy and underlying pathology of each patient, but also to identify possible complications. The quality of life of these pts in the medium-term is excellent.