Background: Atherosclerosis of the carotid artery is a major source of stroke. In some cases, atherosclerosis occurs at several positions within the carotid artery. Carotid endarterectomy (CEA) in combination with retrograde balloon angioplasty and stenting of a brachiocephalic or common carotid artery stenosis has been described as efficacious and safe procedure to prevent stroke in these cases. The aim of this study was to analyze the impact of anesthetic techniques on hemodynamic factors, operation time, duration of clamping, and postoperative pain.
Methods: A retrospective analysis of patients undergoing CEA in combination with retrograde stenting under either general anesthesia (GA) or cervical block (CB) was carried out. Preoperative risk factors were analyzed as well as operating and cross-clamping time, hemodynamic factors, perioperative complications, postoperative pain, application of pain killers, and duration of intensive care unit (ICU) and hospital stay.
Results: Operating (GA: 193 ± 91 min vs. CB: 125 ± 52 min, P = 0.029) and cross-clamping time (GA: 34 ± 12 min vs. CB: 26 ± 9 min, P < 0.001) were shorter under CB. Patients under CB were hemodynamically more stable and required less norepinephrine (GA: 1.1 ± 0.6 mg vs. CB: 0.1 ± 0.1 mg, P < 0.001) and crystalloids (GA: 2,813 ± 1,173 mL vs. CB: 1,088 ± 472 mL, P < 0.001). Postoperative pain levels (GA: numeric rating scale 4.3/10 vs. 2.0/10; P = 0.004) and requirement of pain killers were also lower within the CB group.
Conclusions: Synchronous CEA and retrograde balloon angioplasty and stenting of a brachiocephalic or common carotid artery stenosis under CB is associated with reduction of operating and cross-clamping time, improved hemodynamical stability, lower postoperative pain, shorter ICU and hospital stay, and it offers the advantage of a continuous neurological monitoring.
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