JTCVS open · 2024
Reoperation after aortic root replacement and its impact on long-term survival.
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Norton Elizabeth L, Patel Parth M, Wang Yanhua, Binongo Jose, Levine Dov, Singh Sameer, Chodisetty Shreya, Olakunle Oreoluwa E, Leshnower Bradley G, Takayama Hiroo, Chen Edward P
Аннотация
OBJECTIVE: Reoperation after aortic root replacement (ARR) is associated with increased operative risk and complexity. This study evaluated clinical outcomes and reoperation rates in patients undergoing ARR.
METHODS: From 2004 to 2021, 2700 adult patients underwent an ARR in a 2-institution database. Among 2542 surviving patients, 705 patients who had a history of previous cardiac surgery as well as 11 patients who underwent transcatheter aortic valve replacement after index ARR were excluded. Among the finalized cohort of 1826 patients, 88 (4.8%) underwent a reoperation (REDO) on the aortic valve or proximal aorta (root/ascending) a mean of 3.1 years after index ARR whereas 1738 (95%) did not undergo reoperation (no-REDO). A subgroup analysis was performed among those undergoing reoperation by indication including valve dysfunction (48%), endocarditis/graft infection (33%), and aortic aneurysm/dissection/rupture (12%). Reoperative indication was unknown in 6 patients (7%).
RESULTS: The REDO group was younger at time of index ARR (52 vs 58 years, P < .0001) and had more bicuspid aortic valves (56% vs 37%, P = .0003). Most patients underwent modified Bentall ARR (61%), whereas 38% underwent a valve-sparing root replacement. Index root operations were similar between groups. At time of reoperation, 53% underwent aortic valve replacement and 35% underwent redo root replacement. Long-term survival was similar between REDO and no-REDO groups (80% vs 85%, P = .26) and reoperation was not a risk factor for late mortality (hazard ratio, 1.31; P = .26); however, REDO ARR was a risk factor for late mortality (hazard ratio, 2.41; P = .02).
CONCLUSIONS: The incidence of aortic valve and/or proximal aorta reoperation after index ARR is relatively low at 4.8%; however, root reoperation is a risk factor for late mortality.
METHODS: From 2004 to 2021, 2700 adult patients underwent an ARR in a 2-institution database. Among 2542 surviving patients, 705 patients who had a history of previous cardiac surgery as well as 11 patients who underwent transcatheter aortic valve replacement after index ARR were excluded. Among the finalized cohort of 1826 patients, 88 (4.8%) underwent a reoperation (REDO) on the aortic valve or proximal aorta (root/ascending) a mean of 3.1 years after index ARR whereas 1738 (95%) did not undergo reoperation (no-REDO). A subgroup analysis was performed among those undergoing reoperation by indication including valve dysfunction (48%), endocarditis/graft infection (33%), and aortic aneurysm/dissection/rupture (12%). Reoperative indication was unknown in 6 patients (7%).
RESULTS: The REDO group was younger at time of index ARR (52 vs 58 years, P < .0001) and had more bicuspid aortic valves (56% vs 37%, P = .0003). Most patients underwent modified Bentall ARR (61%), whereas 38% underwent a valve-sparing root replacement. Index root operations were similar between groups. At time of reoperation, 53% underwent aortic valve replacement and 35% underwent redo root replacement. Long-term survival was similar between REDO and no-REDO groups (80% vs 85%, P = .26) and reoperation was not a risk factor for late mortality (hazard ratio, 1.31; P = .26); however, REDO ARR was a risk factor for late mortality (hazard ratio, 2.41; P = .02).
CONCLUSIONS: The incidence of aortic valve and/or proximal aorta reoperation after index ARR is relatively low at 4.8%; however, root reoperation is a risk factor for late mortality.