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Jornal Vascular Brasileiro

versão impressa ISSN 1677-5449versão On-line ISSN 1677-7301

Resumo

GUILLAUMON, Ana Terezinha et al. Carotid endarterectomy under locoregional anesthesia. J. vasc. bras. [online]. 2005, vol.4, n.3, pp.249-254. ISSN 1677-5449.  http://dx.doi.org/10.1590/S1677-54492005000300006.

OBJECTIVE: The purpose of this study is to evaluate the results of carotid endarterectomy performed under locoregional anesthesia with invraoperative cerebral protection and selective shunting. METHOD: We reviewed 107 patients who underwent carotid endarterectomy under locoregional anesthesia, at Hospital das Clínicas da Universidade Estadual de Campinas (UNICAMP), between March 1996 and May 2004. This study is composed of 119 endarterectomies (108 patients), being 69 male (63.8%) and 39 female (36.2%). Mean age was 63 years, ranging from 43 to 83 years. Surgery was performed to treat symptomatic stenosis in 60 patients (55.5%) and asymptomatic stenosis in 48 patients (44.5%). All patients were assessed by color-flow duplex scanning and arteriography. RESULTS: Five patients were excluded from the study, since they required conversion to general anesthesia due to intolerance to carotid clamping. Of the 103 patients submitted to 114 endarterectomies, a shunt was inserted in four patients (3.5%), due to the patient's intolerance to carotid clamping during the surgery. A patch was applied in 19 patients (16.6%). Mortality rate in the immediate postoperative period was 2.6% (three patients), all due to vascular cerebral accident. One patient (0.87%) presented a lower ischemic cerebral vascular accident, and one patient (0.87%) presented hyperfusion syndrome, which progressed to a hemorrhagic cerebral vascular accident. This patient was submitted to aspiration of the cerebral hematoma, with full recovery of the neurological deficit. In the late postoperative period, there was restenosis or occlusion in four patients (5.3%). CONCLUSION: Carotid endarterectomy can be safely performed in the awake patient, by selective shunting and cerebral protection. Good outcome and low morbidity and mortality rate bring a differential in the treatment of the carotid disease.

Palavras-chave : carotid endarterectomy; local anesthesia; cerebrovascular disease.

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