Journal of vascular surgery · 2023
Predictors and outcomes of spinal cord injury following complex branched/fenestrated endovascular aortic repair in the US Aortic Research Consortium.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Aucoin Victoria J, Motyl Claire M, Novak Zdenek, Eagleton Matthew J, Farber Mark A, Gasper Warren, Oderich Gustavo S, Mendes Bernardo, Schanzer Andres, Tenorio Emanuel, Timaran Carlos H, Schneider Darren B, Sweet Matthew P, Zettervall Sara L, Beck Adam W, U.S. Aortic Research Consortium
Аннотация
OBJECTIVE: Spinal cord ischemia (SCI) is a well-known complication of thoracoabdominal aortic aneurysm repair and is associated with profound morbidity and mortality. The purpose of this study was to describe predictors for the development of SCI, as well as outcomes for patients who develop SCI, after branched/fenestrated endovascular aortic repair in a large cohort of centers with adjudicated physician-sponsored investigational device exemption studies.
METHODS: We used a pooled dataset from nine US Aortic Research Consortium centers involved in investigational device exemption trials for treatment of suprarenal and thoracoabdominal aortic aneurysms. SCI was defined as new transient weakness (paraparesis) or permanent paraplegia after repair without other potential neurological etiologies. Multivariable analysis was performed to identify predictors of SCI, and life-table analysis and Kaplan-Meier methodologies were used to evaluate survival differences.
RESULTS: A total of 1681 patients underwent branched/fenestrated endovascular aortic repair from 2005 to 2020. The overall rate of SCI was 7.1% (3.0% transient and 4.1% permanent). Predictors of SCI on multivariable analysis were Crawford Extent I, II, and III distribution of aortic disease (odds ratio [OR], 4.79; 95% confidence interval [CI], 4.77-4.81; P < .001), age ≥70 years (OR, 1.64; 95% CI, 1.63-1.64; P = .029), packed red blood cell transfusion (OR, 2.00; 95% CI, 1.99-2.00; P = .001), and a history of peripheral vascular disease (OR, 1.65; 95% CI, 1.64-1.65; P = .034). The median survival was significantly worse for patients with any degree of SCI compared with those without SCI (any SCI, 40.4 vs no SCI, 60.3 months; log-rank P < .001), and also worse in those with a permanent deficit (24.1 months) vs those with a transient deficit (62.4 months) (log-rank P < .001). The 1-year survival for patients who developed no SCI was 90.8%, compared with 73.9% in patients who developed any SCI. When stratified by degree of deficit, survival was 84.8% at 1 year for those who developed paraparesis and 66.2% for those who developed permanent deficits.
CONCLUSIONS: The overall rates of any SCI at 7.1% and permanent deficit at 4.1% observed in this study compare favorably with those reported in contemporary literature. Our findings confirm that increased length of aortic disease is associated with SCI and those with Crawford Extent I to III thoracoabdominal aortic aneurysms are at highest risk. The long-term impact on patient mortality underscores the importance of preventive measures and rapid implementation of rescue protocols if and when deficits develop.
METHODS: We used a pooled dataset from nine US Aortic Research Consortium centers involved in investigational device exemption trials for treatment of suprarenal and thoracoabdominal aortic aneurysms. SCI was defined as new transient weakness (paraparesis) or permanent paraplegia after repair without other potential neurological etiologies. Multivariable analysis was performed to identify predictors of SCI, and life-table analysis and Kaplan-Meier methodologies were used to evaluate survival differences.
RESULTS: A total of 1681 patients underwent branched/fenestrated endovascular aortic repair from 2005 to 2020. The overall rate of SCI was 7.1% (3.0% transient and 4.1% permanent). Predictors of SCI on multivariable analysis were Crawford Extent I, II, and III distribution of aortic disease (odds ratio [OR], 4.79; 95% confidence interval [CI], 4.77-4.81; P < .001), age ≥70 years (OR, 1.64; 95% CI, 1.63-1.64; P = .029), packed red blood cell transfusion (OR, 2.00; 95% CI, 1.99-2.00; P = .001), and a history of peripheral vascular disease (OR, 1.65; 95% CI, 1.64-1.65; P = .034). The median survival was significantly worse for patients with any degree of SCI compared with those without SCI (any SCI, 40.4 vs no SCI, 60.3 months; log-rank P < .001), and also worse in those with a permanent deficit (24.1 months) vs those with a transient deficit (62.4 months) (log-rank P < .001). The 1-year survival for patients who developed no SCI was 90.8%, compared with 73.9% in patients who developed any SCI. When stratified by degree of deficit, survival was 84.8% at 1 year for those who developed paraparesis and 66.2% for those who developed permanent deficits.
CONCLUSIONS: The overall rates of any SCI at 7.1% and permanent deficit at 4.1% observed in this study compare favorably with those reported in contemporary literature. Our findings confirm that increased length of aortic disease is associated with SCI and those with Crawford Extent I to III thoracoabdominal aortic aneurysms are at highest risk. The long-term impact on patient mortality underscores the importance of preventive measures and rapid implementation of rescue protocols if and when deficits develop.