Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions · 2021
External carotid artery stenting in patients with ipsilateral internal carotid artery occlusion: Peri-operative and 12-month follow-up.
СтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Dong Hui, Jiang Xiongjing, Zou Yubao, Chen Yang, He Jining, Deng Yu, Xu Bo, Gao Runlin
Аннотация
OBJECTIVES: This study aimed to evaluate the safety and clinical efficacy of external carotid artery (ECA) stenting in patients with ipsilateral internal carotid artery (ICA) occlusion.
BACKGROUND: In patients with ICA occlusion, severe ipsilateral ECA stenosis may exacerbate pre-existing cerebral ischemia and cognitive impairment. It remains unclear whether ECA stenting to normalize ECA collaterals to the cerebralis alleviates cerebral ischemia and improves cognitive function.
METHODS: From January 2008 to June 2019, we retrospectively collected clinical data of 36 consecutive patients with ipsilateral ICA occlusion who had undergone ECA stenting (mean age, 66.7 ± 8.3 years; males, n = 26 [72.2%]). Neurocognitive test results, including Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MOCA) tests, symptom assessment, and adverse events were recorded.
RESULTS: ECA stenting was successful in all 36 patients. Intra-operatively, six (16.7%) patients experienced hemodynamic depression during balloon dilation and recovered completely within 2 days. Within a 12-month follow-up period, two patients experienced a transient ischemic attack, one patient had a contralateral minor stroke, and 33 patients remained asymptomatic. No other adverse events occurred in the peri-operative or follow-up periods. Compared with baseline, significant MMSE (25.3 ± 1.3 vs. 23.6 ± 1.7; p < .05) and MOCA (24.1 ± 1.3 vs. 22.8 ± 1.7; p < .05) test score improvements were observed 3 months post-operatively and were maintained throughout follow-up.
CONCLUSIONS: ECA stenting may improve cerebral ischemia and cognitive function in patients with severe ECA stenosis and ipsilateral ICA occlusion; however, further research is required to support our findings.
BACKGROUND: In patients with ICA occlusion, severe ipsilateral ECA stenosis may exacerbate pre-existing cerebral ischemia and cognitive impairment. It remains unclear whether ECA stenting to normalize ECA collaterals to the cerebralis alleviates cerebral ischemia and improves cognitive function.
METHODS: From January 2008 to June 2019, we retrospectively collected clinical data of 36 consecutive patients with ipsilateral ICA occlusion who had undergone ECA stenting (mean age, 66.7 ± 8.3 years; males, n = 26 [72.2%]). Neurocognitive test results, including Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MOCA) tests, symptom assessment, and adverse events were recorded.
RESULTS: ECA stenting was successful in all 36 patients. Intra-operatively, six (16.7%) patients experienced hemodynamic depression during balloon dilation and recovered completely within 2 days. Within a 12-month follow-up period, two patients experienced a transient ischemic attack, one patient had a contralateral minor stroke, and 33 patients remained asymptomatic. No other adverse events occurred in the peri-operative or follow-up periods. Compared with baseline, significant MMSE (25.3 ± 1.3 vs. 23.6 ± 1.7; p < .05) and MOCA (24.1 ± 1.3 vs. 22.8 ± 1.7; p < .05) test score improvements were observed 3 months post-operatively and were maintained throughout follow-up.
CONCLUSIONS: ECA stenting may improve cerebral ischemia and cognitive function in patients with severe ECA stenosis and ipsilateral ICA occlusion; however, further research is required to support our findings.