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Carotid endarterectomy after recent cerebral infarction
1Department of Neurology, Durban Cerebrovascular Group, University of Natal, Durban, South Africa.
Summary
Timing of carotid endarterectomy (CEA) after stroke is not significant for morbidity and mortality. This study suggests the traditional 6-week waiting period for CEA is outdated.
Area of Science:
- Vascular Surgery
- Neurology
- Clinical Outcomes Research
Background:
- Significant carotid stenosis poses a risk of stroke.
- Carotid endarterectomy (CEA) is a procedure to reduce this risk.
- The optimal timing for CEA post-stroke has been debated, with a historical 6-week guideline.
Purpose of the Study:
- To determine if the timing of CEA influences morbidity and mortality.
- To evaluate the safety of performing CEA earlier or later than 6 weeks post-stroke.
Main Methods:
- A comparison of patients undergoing CEA less than 6 weeks versus more than 6 weeks after stroke.
- Inclusion of standardized scales for clinical presentation, etiology, and handicap.
- Postoperative events (stroke or death within one month) were recorded.
Main Results:
- No significant differences in demographics, risk factors, clinical findings, or neurological deficit between early (<6 weeks) and late (>6 weeks) surgery groups.
- Morbidity and mortality (M+M) showed no significant difference between the early and late surgery groups.
- A trend suggested a two-fold increased risk of M+M in the late surgery group, though not statistically significant (RR 1.90, OR 1.96).
Conclusions:
- The historical 6-week waiting period for CEA post-stroke appears outdated.
- Early CEA may be safe and effective, challenging traditional guidelines.