European Society of Anaesthesiology.

(1) Introduction: The aim was to describe the anesthetic and surgical technique of eversion carotid endarterectomy performed under intermediate-deep cervical block with sedation, and to analyze the intraoperative and postoperative results. (2) Material and Methods: Thirty cases of unilateral eversion carotid endarterectomy (n = 30), performed between 2019–2020 in a tertiary center under intermediate-deep ultrasound-guided cervical plexus block and sedation, were prospectively observed and analyzed. Hemodynamic (blood pressure, heart rate) and neurological (cerebral oximetry) variables were measured in four intraoperative phases: at the beginning of the operation, prior to carotid clamping, after unclamping and at the end of the operation. We assessed acute postoperative pain in a numerical rating scale at 6, 12 and 24 h, early and 30-day complications, and length of stay. (3) Results: Baseline mean arterial pressure values were 100.4 ± 18 mmHg, pre-clamping 95.8 ± 14 mmHg, post-clamping 94.9 ± 11 mmHg, and at the end of the operation 102.4 ± 16 mmHg. Cerebral oximetry values were 61.7 ± 7/62.7 ± 8, 68.5 ± 9.6/69.1 ± 11.7 and 68.1 ± 10/68.1 ± 10 for the left and right hemispheres at baseline, pre- and post-clamping, respectively. The pain assessment showed a score less than or equal to 3. The incidence of residual nerve block, early complications, and major complications in the first 30 days was 40%, 16.7% and 3.3%, respectively. (4) Conclusions: The combination of intermediate-deep cervical plexus block and low-dose sedation is an effective and safe alternative in awake eversion carotid endarterectomy.

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