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Transcarotid Revascularization Timing and Early Postoperative Outcomes in Symptomatic Patients

机译：Transcarotid Revascularization Timing and Early Postoperative Outcomes in Symptomatic Patients

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Objective Carotid endarterectomy (CEA) performed several days after onset of symptoms has been shown to be optimal in preventing procedure-related stroke. Transcarotid artery revascularization (TCAR) is an alternative hybrid procedure to treat high-risk for CEA patients. In this investigation, our aim is to determine the effect of timing of TCAR in symptomatic patients. Methods Procedures were captured prospectively at 2 independent health systems from 2016-2022 within a carotid intervention database. A retrospective analysis of this database was performed to generate cohorts by time to revascularization from onset of symptoms, with the short-interval revascularization (SIR) group defined as having a time to revascularization between 2-5 days; and long-interval revascularization (LIR) group having a time to revascularization of 6-180 days. Univariate analysis was performed comparing the cohorts at an alpha of .05. Results During the study period, 875 TCARs were captured, including 321 procedures performed in symptomatic patients. Of these, 84 had revascularization performed within 6 days after onset of symptoms (SIR) while 237 additional cases were completed 6 or more days after onset of symptoms (LIR). Baseline comorbidities were grossly similar between cohorts. Intraoperatively, SIR patients were less likely to develop bradycardia (4.8% vs 22.2%, P = .01) and experienced a shorter operative time (58 minutes vs 65 minutes, P = .02). Estimated blood loss, flow reversal time, radiation exposure, fluoroscopic time and contrast volume were identical between the groups. Length of stay in SIR patients was longer (1, IQR [1-3] vs 1, IQR [1-2] days, P < .01). Additionally, SIR patients seemed to trend toward a higher rate of reinterventions (3.6% vs .4%, P = .06). The incidence of ipsilateral or contralateral stroke, cranial nerve palsy, myocardial infarction, hematoma, stent thrombosis and death were statistically identical between the 2 groups. Conclusion Like the previous results established for CEA, symptomatic patients undergoing TCAR demonstrate similar outcomes if the procedure is performed 48 hours after the neurologic event.

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