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Anesthetic methods in reoperative carotid surgery
C B Rockman1, T S Riles, P J Lamparello
1Department of Surgery, New York University Medical Center, New York 10016, USA.
Annals of Vascular Surgery
|March 26, 1998
Summary
Reoperative carotid surgery can be safely performed using regional anesthesia, offering a viable alternative to general anesthesia. This approach may simplify procedures by potentially avoiding intra-arterial shunt insertion.
Area of Science:
- Vascular Surgery
- Anesthesiology
- Neurosurgery
Background:
- Reoperative carotid surgery presents unique challenges, including difficult dissections and complex reconstructions.
- General anesthesia has been traditionally favored for these procedures due to perceived complexities.
Purpose of the Study:
- To evaluate the safety and efficacy of regional anesthesia for reoperative carotid artery surgery.
- To compare outcomes between regional and general anesthesia in this patient population.
Main Methods:
- Retrospective review of 109 reoperative carotid operations over 25 years.
- Comparison of patient characteristics, intraoperative course, and perioperative results between regional anesthesia (79 cases) and general anesthesia (30 cases).
Main Results:
- No statistically significant difference in perioperative stroke rates between regional (1.3%) and general anesthesia (6.6%).
- Patient groups were comparable in risk factors, preoperative symptoms, and contralateral occlusion.
- Common etiologies for recurrent disease included atherosclerosis and intimal hyperplasia.
Conclusions:
- Regional anesthesia is a safe and acceptable option for the majority of reoperative carotid artery surgeries.
- Regional anesthesia may simplify procedures by potentially obviating the need for intra-arterial shunt insertion.
- Patient monitoring under regional anesthesia can facilitate assessment of carotid artery clamping tolerance.