Journal of vascular surgery · 2021
Anesthetic choice during transcarotid artery revascularization and carotid endarterectomy affects the risk of myocardial infarction.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Marmor Rebecca A, Dakour-Aridi Hanaa, Chen Zuo-Guan, Naazie Isaac, Malas Mahmoud B
Аннотация
OBJECTIVE: Previous studies have shown no differences in the outcomes of transcarotid artery revascularization (TCAR) performed with general anesthesia (GA) vs local or regional anesthesia (LRA). To date, no study has specifically compared the outcomes of TCAR to those of carotid endarterectomy (CEA) stratified by anesthetic type. The aim of the present study was to identify the effect of the anesthetic type on the outcomes of TCAR vs CEA.
METHODS: Patients undergoing CEA and TCAR for carotid artery stenosis from 2016 to 2019 in the Vascular Quality Initiative were included. We excluded patients who had undergone concomitant procedures, patients with more than two stented lesions, and patients who had undergone the procedure for a nonatherosclerotic indication. Propensity score matching was performed between the two procedures stratified by the anesthetic type for age, sex, race, presenting symptoms, major comorbidities (ie, hypertension, diabetes, coronary artery disease, congestive heart failure, chronic obstructive pulmonary disease, chronic kidney disease), previous coronary artery bypass grafting or percutaneous transluminal coronary intervention, previous CEA or carotid artery stenting, degree of ipsilateral stenosis, the presence of contralateral occlusion, and preoperative medications. Intergroup differences between the treatment groups and differences in the perioperative outcomes were tested using the McNemar test for categorical variables and the paired t test or Wilcoxon matched pairs signed rank test for continuous variables, as appropriate. The relative risk (RR) and 95% confidence intervals (CIs) were estimated as the ratio of the probability of the outcome event for the patients treated within each treatment group.
RESULTS: A total of 65,337 patients were included. Of the 65,337 patients, 59,664 had undergone carotid revascularization under GA (91%). When performed with LRA, TCAR and CEA had similar rates of stroke, death, and MI. However, when performed with GA, patients undergoing TCAR had a 50% decreased risk of MI compared with those undergoing CEA under GA (0.5% vs 1.0%; RR, 0.50; 95% CI, 0.32-0.80; P < .01). When stratified by symptomatic status, patients undergoing TCAR with GA for symptomatic carotid disease had a 67% decreased risk of MI compared with those undergoing CEA with GA for symptomatic disease (0.4% vs 1.2%; RR, 0.33; 95% CI, 0.15-0.75; P < .01). In contrast, no difference was found in the risk of MI between patients undergoing CEA vs TCAR for asymptomatic carotid disease (0.6% vs 0.9%; RR, 0.64; 95% CI, 0.37-1.14; P = .13).
CONCLUSIONS: The results from the present study have confirmed previous studies suggesting that TCAR confers a lower risk of MI compared with CEA. However, our findings demonstrated no differences in the MI rates between TCAR and CEA when performed with LRA. Patients undergoing TCAR under GA had lower rates of MI compared with patients undergoing CEA under GA. When stratified by symptomatic status, the benefit of TCAR persisted only for the symptomatic patients.
METHODS: Patients undergoing CEA and TCAR for carotid artery stenosis from 2016 to 2019 in the Vascular Quality Initiative were included. We excluded patients who had undergone concomitant procedures, patients with more than two stented lesions, and patients who had undergone the procedure for a nonatherosclerotic indication. Propensity score matching was performed between the two procedures stratified by the anesthetic type for age, sex, race, presenting symptoms, major comorbidities (ie, hypertension, diabetes, coronary artery disease, congestive heart failure, chronic obstructive pulmonary disease, chronic kidney disease), previous coronary artery bypass grafting or percutaneous transluminal coronary intervention, previous CEA or carotid artery stenting, degree of ipsilateral stenosis, the presence of contralateral occlusion, and preoperative medications. Intergroup differences between the treatment groups and differences in the perioperative outcomes were tested using the McNemar test for categorical variables and the paired t test or Wilcoxon matched pairs signed rank test for continuous variables, as appropriate. The relative risk (RR) and 95% confidence intervals (CIs) were estimated as the ratio of the probability of the outcome event for the patients treated within each treatment group.
RESULTS: A total of 65,337 patients were included. Of the 65,337 patients, 59,664 had undergone carotid revascularization under GA (91%). When performed with LRA, TCAR and CEA had similar rates of stroke, death, and MI. However, when performed with GA, patients undergoing TCAR had a 50% decreased risk of MI compared with those undergoing CEA under GA (0.5% vs 1.0%; RR, 0.50; 95% CI, 0.32-0.80; P < .01). When stratified by symptomatic status, patients undergoing TCAR with GA for symptomatic carotid disease had a 67% decreased risk of MI compared with those undergoing CEA with GA for symptomatic disease (0.4% vs 1.2%; RR, 0.33; 95% CI, 0.15-0.75; P < .01). In contrast, no difference was found in the risk of MI between patients undergoing CEA vs TCAR for asymptomatic carotid disease (0.6% vs 0.9%; RR, 0.64; 95% CI, 0.37-1.14; P = .13).
CONCLUSIONS: The results from the present study have confirmed previous studies suggesting that TCAR confers a lower risk of MI compared with CEA. However, our findings demonstrated no differences in the MI rates between TCAR and CEA when performed with LRA. Patients undergoing TCAR under GA had lower rates of MI compared with patients undergoing CEA under GA. When stratified by symptomatic status, the benefit of TCAR persisted only for the symptomatic patients.