Key result
Bilateral external carotid artery ligation consistently increases internal carotid artery flow in stroke-related ischemia.
Why the study?
The hemodynamic effects on the internal carotid artery following bilateral external carotid artery ligation were not well characterized.
Does bilateral external carotid artery ligation improve internal carotid artery blood flow in monkeys and patients with stroke-related ischemia?
Does bilateral external carotid artery ligation improve internal carotid artery blood flow in monkeys and patients with stroke-related ischemia?
Answers are grounded in this paper and cite their sources.
Bilateral external carotid artery ligation increases internal carotid artery blood flow, suggesting a potential hemodynamic intervention for stroke-related ischemia.
✓ Ligation of the external carotid artery induced an increased flow in the internal carotid artery in the monkey (Macaca radiata). Bilateral external carotid artery ligations were then done in patients with ischemia resulting from “stroke”; studies of internal carotid artery blood flow showed a consistent increase in flow.
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Abraham et al. (1971) studied this question. Bilateral external carotid artery ligation induced a consistent increase in internal carotid artery blood flow in monkeys and patients with stroke-related ischemia.
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