Longitudinal Outcomes of Thoracic Endovascular Aortic Repair for Ruptured Thoracic Aortic Aneurysms.

Fiandeiro, Miguel; Goel, Nicholas J; Mosbahi, Selim; Berezowski, Mikolaj; Lutfi, Waseem; Peev, Andrew; Jiang, Fei; Desai, Nimesh D (2024). Longitudinal Outcomes of Thoracic Endovascular Aortic Repair for Ruptured Thoracic Aortic Aneurysms. (In Press). The journal of thoracic and cardiovascular surgery Elsevier 10.1016/j.jtcvs.2024.07.020

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OBJECTIVES

Limited data exist on long-term mortality and reintervention rates of emergent thoracic endovascular aortic repair (TEVAR) for ruptured thoracic aortic aneurysm (rTAA). This study aimed to characterize the long-term outcomes of emergent TEVAR for rTAA.

METHODS

This study reviewed all TEVARs for emergent rTAA and elective intact thoracic aortic aneurysms (iTAA) from August 2005 to March 2022 at a large academic medical center. Outcomes, including overall survival and reinterventions, were considered over eight years.

RESULTS

Of 321 patients, 65 received TEVAR for rTAA (34 hemodynamically stable) and 256 for iTAA. Respective mean (SD) ages were 74.4 (11.9) and 74.7 (9.1) years. Median follow-up was 5.1 years. rTAA patients had lower 30-day survival (69.2% vs 96.9%, P < .001) and higher rates of stroke, pneumonia, and prolonged ventilation (all P ≤ .01). Survival was significantly worse for rTAA at 1 year (46% vs 86%), 5 years (27% vs 48%), and 8 years (20% vs 32%; all P < .001). For patients surviving at least 90 days, the long-term survival difference narrowed to statistical insignificance. Ruptured aneurysms required more reinterventions within 30 days, but comparable long-term reintervention rates. Indications for reintervention were similar, with type I endoleak as the leading cause. Long-term survival for hemodynamically stable rTAA patients did not differ significantly from iTAA patients (49% vs 48% at 5 years).

CONCLUSIONS

Short-to-medium-term outcomes are worse for ruptured aneurysms. However, long-term survival of hemodynamically stable rTAA patients and rTAA patients who survive the first 90 days are comparable to iTAA patients.

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