期刊
ANNALS OF SURGERY
卷 276, 期 2, 页码 398-403出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SLA.0000000000004496
关键词
carotid endarterectomy; flow reversal; stroke prevention; TCAR; transCarotid artery revascularization
类别
This study compared the outcomes of TCAR with flow reversal to the gold standard CEA and found that TCAR significantly reduces the risk of postoperative myocardial infarction and cranial nerve injury compared to CEA, with no differences in the rates of stroke/death.
Objective: To compare the outcomes of TCAR with flow reversal to the gold standard CEA using data from the Society for Vascular Surgery Vascular Quality Initiative TCAR Surveillance Project. Summary of Background Data: TCAR is a novel minimally invasive procedure for carotid revascularization in high-risk patients that is associated with significantly lower stroke rates compared with carotid artery stenting via the transfemoral approach. Methods: Patients in the United States and Canada who underwent TCAR and CEA for carotid artery stenosis (2016-2019) were included. Propensity scores were calculated based on baseline clinical variables and used to match patients in the 2 treatment groups (n = 6384 each). The primary endpoint was the combined outcome of perioperative stroke and/or death. Results: No significant differences were observed between TCAR and CEA in terms of in-hospital stroke/death [TCAR, 1.6% vs CEA, 1.6%, RR (95% CI): 1.01 (0.77-1.33), P = 0.945], stroke [1.4% vs 1.4%, RR (95% CI): 1.02 (0.76-1.37), P = 0.881], or death [0.4% vs 0.3%, RR (95% CI): 1.14 (0.64-2.02), P = 0.662]. Compared to CEA, TCAR was associated with lower rates of in-hospital myocardial infarction [0.5% vs 0.9%, RR (95% CI): 0.53 (0.35-0.83), P = 0.005], cranial nerve injury [0.4% vs 2.7%, RR (95% CI): 0.14 (0.08-0.23), P < 0.001], and post-procedural hypertension [13% vs 18.8%, RR (95% CI): 0.69 (0.63-0.76), P < 0.001]. They were also less likely to stay in the hospital for more than 1 day [26.4% vs 30.1%, RR (95% CI): 0.88 (0.82-0.94), P < 0.001]. No significant interaction was observed between procedure and symptomatic status in predicting postoperative outcomes. At 1 year, the incidence of ipsilateral stroke or death was similar between the 2 groups [HR (95% CI): 1.09 (0.87-1.36), P = 0.44]. Conclusions: This propensity-score matched analysis demonstrated significant reduction in the risk of postoperative myocardial infarction and cranial nerve injury after TCAR compared to CEA, with no differences in the rates of stroke/death.
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