The Annals of thoracic surgery · 2018
Outcomes After Thoracic Endovascular Aortic Repair With Overstenting of the Left Subclavian Artery.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Luehr Maximilian, Etz Christian D, Berezowski Mikolaj, Nozdrzykowski Michael, Jerkku Thomas, Peterss Sven, Borger Michael A, Czerny Martin, Banafsche Ramin, Pichlmaier Maximilian A, Beyersdorf Friedhelm, Hagl Christian, Schmidt Andrej, Rylski Bartosz
Аннотация
BACKGROUND: Our study aim was to evaluate the impact of left subclavian artery (LSA) flow preservation during thoracic endovascular aortic repair (TEVAR) on outcome.
METHODS: Between August 2001 and October 2016, 176 patients (mean age, 61.3 ± 15.8 years) underwent TEVAR with complete LSA coverage. Fifty-five of those patients (31.3%) also underwent LSA revascularization, whereas 121 patients (68.7%) did not. Perioperative data were acquired retrospectively for statistical analysis at the three study institutions.
RESULTS: Overall in-hospital and follow-up mortality was 8.5% (n = 15) and 9.1% (n = 16), respectively, including 88 urgent and emergent cases (50%). Stroke (independent of location) and permanent paraplegia rates were 6.8% and 6.3%, respectively, for the entire cohort. Isolated upper-left extremity malperfusion exclusively occurred in 12 (9.9%) of the 121 patients without LSA revascularization. Left-hemispheric stroke was observed four times more often in patients without LSA revascularization and left arm malperfusion (16.7% versus 3.7%, p = 0.095). Multivariate analysis identified no LSA revascularization (odds ratio [OR] 3.779, 95% confidence interval [CI]: 1.096 to 13.029, p = 0.035), two or more endografts (OR 3.814, 95% CI: 1.557 to 9.343, p = 0.003), and coronary artery disease (OR 3.276, 95% CI: 1.262 to 8.507, p = 0.015) as independent risk factors for procedure-related adverse events (left-hemispheric stroke, left arm malperfusion, and permanent paraplegia) after TEVAR with complete LSA overstenting.
CONCLUSIONS: Every 10th patient with LSA overstenting and no revascularization experienced left arm malperfusion. No LSA revascularization, extensive aortic coverage with two or more endografts, and coronary artery disease increased the risk of permanent paraplegia, left-hemispheric stroke, and left arm malperfusion. Patients should undergo LSA revascularization to prevent left vertebral artery-associated central neurologic complications and to maintain upper-left extremity perfusion.
METHODS: Between August 2001 and October 2016, 176 patients (mean age, 61.3 ± 15.8 years) underwent TEVAR with complete LSA coverage. Fifty-five of those patients (31.3%) also underwent LSA revascularization, whereas 121 patients (68.7%) did not. Perioperative data were acquired retrospectively for statistical analysis at the three study institutions.
RESULTS: Overall in-hospital and follow-up mortality was 8.5% (n = 15) and 9.1% (n = 16), respectively, including 88 urgent and emergent cases (50%). Stroke (independent of location) and permanent paraplegia rates were 6.8% and 6.3%, respectively, for the entire cohort. Isolated upper-left extremity malperfusion exclusively occurred in 12 (9.9%) of the 121 patients without LSA revascularization. Left-hemispheric stroke was observed four times more often in patients without LSA revascularization and left arm malperfusion (16.7% versus 3.7%, p = 0.095). Multivariate analysis identified no LSA revascularization (odds ratio [OR] 3.779, 95% confidence interval [CI]: 1.096 to 13.029, p = 0.035), two or more endografts (OR 3.814, 95% CI: 1.557 to 9.343, p = 0.003), and coronary artery disease (OR 3.276, 95% CI: 1.262 to 8.507, p = 0.015) as independent risk factors for procedure-related adverse events (left-hemispheric stroke, left arm malperfusion, and permanent paraplegia) after TEVAR with complete LSA overstenting.
CONCLUSIONS: Every 10th patient with LSA overstenting and no revascularization experienced left arm malperfusion. No LSA revascularization, extensive aortic coverage with two or more endografts, and coronary artery disease increased the risk of permanent paraplegia, left-hemispheric stroke, and left arm malperfusion. Patients should undergo LSA revascularization to prevent left vertebral artery-associated central neurologic complications and to maintain upper-left extremity perfusion.