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[The spontaneous recanalization of the internal carotid artery. Case report]
Blanka Várnai1, Gábor Simonyi2, Andrea Rapcsányi3
1VIP-I Profil, Szent Imre Egyetemi Oktatókórház Budapest, Tétényi út 12-16., 1115.
Insights
Internal carotid artery (ICA) occlusion, a common cause of stroke, can occasionally recanalize spontaneously. This case study shows ICA occlusion is not always permanent, allowing for potential surgical intervention like endarterectomy.
Area of Science:
- Vascular Neurology
- Interventional Neurology
Background:
- Internal carotid artery (ICA) occlusion is a significant risk factor for ischemic stroke, often resulting from embolism or atherosclerotic thrombosis.
- Traditionally, ICA occlusion is considered irreversible, necessitating regular imaging surveillance such as duplex ultrasonography or CT angiography.
Observation:
- A case study of a 67-year-old male with right ICA occlusion and subsequent ischemic stroke is presented.
- The patient experienced spontaneous recanalization of the occluded ICA, which was confirmed through imaging.
- This spontaneous recanalization enabled a successful endarterectomy procedure.
Findings:
- The study highlights that internal carotid artery occlusion is not invariably permanent.
- Spontaneous recanalization of the ICA, though uncommon, can occur and offers therapeutic possibilities.
- The case demonstrates a potential window for intervention after initial occlusion.
Implications:
- This finding challenges the traditional view of ICA occlusion as irreversible.
- It suggests the need for continued monitoring and reassessment of patients with ICA occlusion.
- Further prospective studies are warranted to investigate the frequency and predictors of spontaneous ICA recanalization and its impact on treatment strategies.
Abstract:
The occlusion of the internal carotid artery (ICA) frequently leads to stroke and develops most commonly as a consequence of embolism or atherosclerotic thrombosis. Following acute care, if the patient's general condition makes it possible, the patient is usually emitted from the hospital or, if necessary, his treatment continues in the rehabilitation department. The occlusion is generally considered irreversible, but a regular duplex ultrasonographic (sometimes CT angiographic) check of the patient is required. According to recent literature, spontaneous recanalization of the ICA may occur occasionally. The authors demonstrated by evaluating a local case that ICA occlusion is not necessarily permanent: through a case of a 67-year-old man, who suffered a right ICA occlusion, subsequent ichaemic stroke, then spontaneous recanalization of the occlusion allowing a successful endarterectomy later on, they overview the literature and propose appropriate prospective examinations to track patents with similar conditions. Orv Hetil. 2018; 159(37): 1525-1528.
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