Question 1764
{"accessible":false,"alternatives":[{"id":8761,"text":"hyperperfusion encountered in cerebral arteriovenous malformations"},{"id":8762,"text":"hyperperfusion encountered in dural arteriovenous fistulas"},{"id":8763,"text":"hyperperfusion seen during a seizure or status epilepticus"},{"id":8764,"text":"hyperperfusion seen in postictal (post seizure) period, hours after a seizure"},{"id":8765,"text":"non-nutritional hyperperfusion in infarcted brain tissue"},{"id":8766,"text":"non-nutritional hyperperfusion in penumbra saved from infarction by reperfusion"}],"archived":false,"correctAlternativeId":8765,"explanation":"\u003cp\u003e\u003cstrong\u003eLuxury perfusion\u0026nbsp;\u003c/strong\u003edescribes the return of cerebral blood flow to normal or increased levels in regions of\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/ischaemic-stroke?lang=gb\"\u003einfarcted brain\u003c/a\u003e\u0026nbsp;(and thus has been termed \"non-nutritional\") and is thought to occur secondary to\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/blood-brain-barrier-3?lang=gb\"\u003eblood-brain\u003c/a\u003e\u003ca href=\"https://radiopaedia.org/articles/blood-brain-barrier-3?lang=gb\"\u003e\u0026nbsp;barrier\u003c/a\u003e\u0026nbsp;permeability and dysfunctional autoregulation.\u0026nbsp;It most commonly occurs in subacute strokes (\u0026gt;72 hours), both treated and untreated cases, but has been reported as early as within the first 24 hours.\u0026nbsp;\u003c/p\u003e","id":1764,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1783","nextQuestionPath":"/articles/luxury-perfusion/questions/1763","relatedArticles":[],"alsoUsedIn":[{"id":766,"kind":"Course","title":"Stroke Learning Pathway - page 766","link":"https://radiopaedia.org/courses/stroke-learning-pathway/pages/766"},{"id":2103,"kind":"Course","title":"Stroke Learning Pathway - peer review - page 2103","link":"https://radiopaedia.org/courses/stroke-learning-pathway-peer-review/pages/2103"}],"stem":"\u003cp\u003eThe term cerebral \"luxury perfusion\" denotes...\u0026nbsp;\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/1764"}],"attemptsPercentages":[{"alternativeId":"8764","percentage":18},{"alternativeId":"8766","percentage":36},{"alternativeId":"8761","percentage":3},{"alternativeId":"8765","percentage":31},{"alternativeId":"8763","percentage":10},{"alternativeId":"8762","percentage":1}],"promptToLogin":false,"questionManager":false,"articleId":"luxury-perfusion"}