JACC. Cardiovascular interventions · 2013
Carotid artery stenting of a contralateral occlusion and in-hospital outcomes: results from the CARE (Carotid Artery Revascularization and Endarterectomy) registry.
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Mercado Nestor, Cohen David J, Spertus John A, Chan Paul S, House John, Kennedy Kevin, Brindis Ralph G, White Christopher J, Rosenfield Kenneth A, Marso Steven P
Аннотация
OBJECTIVES: The authors sought to study the characteristics and outcomes of patients with contralateral carotid artery occlusions (CCOs) undergoing elective carotid artery stenting (CAS).
BACKGROUND: CCOs are associated with adverse neurological events following carotid endarterectomy.
METHODS: In-hospital outcomes were examined in patients with and without CCO undergoing elective CAS in the Carotid Artery Revascularization and Endarterectomy (CARE) registry. A CCO was defined as a 100% occlusion of the contralateral internal carotid artery. To minimize differences in measured comorbidities, a 3:1 propensity matching analysis was performed comparing 42 clinical and demographic variables between CCO and non-CCO patients from the CARE registry. The primary endpoint was a composite of in-hospital death, nonfatal myocardial infarction, and nonfatal stroke.
RESULTS: Between April 2005 and January 2012, 13,993 eligible patients underwent elective CAS, of whom 1,450 (10%) had CCO. There were 5,500 CAS procedures (1,375 CCO and 4,125 non-CCO) identified in the propensity analysis. The primary composite endpoint occurred in 29 (2.1%) and 107 (2.6%) patients with and without CCO, respectively (adjusted odds ratio: 0.81, 95% confidence interval: 0.53 to 1.23, p = 0.316).
CONCLUSIONS: In the CARE registry, there was no evidence that the presence of a CCO was associated with an increased risk of in-hospital death, nonfatal myocardial infarction, or nonfatal stroke in patients undergoing elective CAS. These findings may have implications on the selection of carotid revascularization procedures for such patients.
BACKGROUND: CCOs are associated with adverse neurological events following carotid endarterectomy.
METHODS: In-hospital outcomes were examined in patients with and without CCO undergoing elective CAS in the Carotid Artery Revascularization and Endarterectomy (CARE) registry. A CCO was defined as a 100% occlusion of the contralateral internal carotid artery. To minimize differences in measured comorbidities, a 3:1 propensity matching analysis was performed comparing 42 clinical and demographic variables between CCO and non-CCO patients from the CARE registry. The primary endpoint was a composite of in-hospital death, nonfatal myocardial infarction, and nonfatal stroke.
RESULTS: Between April 2005 and January 2012, 13,993 eligible patients underwent elective CAS, of whom 1,450 (10%) had CCO. There were 5,500 CAS procedures (1,375 CCO and 4,125 non-CCO) identified in the propensity analysis. The primary composite endpoint occurred in 29 (2.1%) and 107 (2.6%) patients with and without CCO, respectively (adjusted odds ratio: 0.81, 95% confidence interval: 0.53 to 1.23, p = 0.316).
CONCLUSIONS: In the CARE registry, there was no evidence that the presence of a CCO was associated with an increased risk of in-hospital death, nonfatal myocardial infarction, or nonfatal stroke in patients undergoing elective CAS. These findings may have implications on the selection of carotid revascularization procedures for such patients.