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Recurrent transient ischemic attacks after carotid endarterectomy
Insights
Recurrent transient ischemic attacks (TIAs) after carotid endarterectomy require long-term follow-up. Identifying surgically correctable lesions is crucial for managing post-operative TIAs.
Area of Science:
- Vascular Surgery
- Neurology
- Cerebrovascular Disease
Background:
- Transient ischemic attacks (TIAs) are a primary indication for carotid endarterectomy.
- Understanding postoperative TIA recurrence is vital for patient management.
Purpose of the Study:
- To analyze the incidence and patterns of recurrent TIAs after carotid endarterectomy.
- To evaluate the need for long-term patient follow-up post-surgery.
Main Methods:
- Retrospective analysis of 113 patients (121 carotid endarterectomies) between 1974-1979.
- Categorization of recurrent TIAs based on timing and affected arterial distribution.
Main Results:
- 28 patients experienced recurrent TIAs during follow-up.
- TIAs were categorized into early postoperative, late ipsilateral, contralateral, and vertebrobasilar insufficiency.
- Stroke occurred in 5 patients (2 major, 3 minor).
Conclusions:
- Close, long-term follow-up is recommended for post-carotid endarterectomy patients.
- Identifying surgically correctable lesions in recurrent TIAs is essential.
Abstract:
The postoperative courses of 113 patients undergoing 121 carotid endarterectomies between 1974 and 1979 were analyzed for recurrent transient ischemic attacks (TIAs). The TIAs were the indication for the original operation in all patients; 31 patients had a stable neurologic deficit prior to operation. Two patients sustained major strokes and three had nondisabling minor strokes. Three patients had late strokes. Recurrent TIAs occurred during follow-up in 28 patients, and these were classified into four distinct categories: (1) Ten patients had single TIAs in the distribution of the carotid artery operated on in the early postoperative days. (2) Four patients had late, repetitive TIAs related to the operated side. (3) Five patients had late TIAs in the distribution of the contralateral artery. (4) Nine patients had single or multiple TIAs owing to recurrent vertebrobasilar insufficiency. Close, long-term follow-up of postendarterectomy patients is recommended to locate those who will have surgically correctable lesions.