Question 309
{"accessible":false,"alternatives":[{"id":1505,"text":"chronic obstructive airways disease"},{"id":1506,"text":"diabetes mellitus"},{"id":1507,"text":"post operative mediastinitis"},{"id":1508,"text":"previous endovascular intervention"},{"id":1509,"text":"uncontrolled hypertension"}],"archived":false,"correctAlternativeId":1509,"explanation":"\u003cp\u003eUnccontrolled hypertension is the most common risk factor for the \u003ca href=\"/articles/acute-aortic-syndrome\"\u003eacute aortic syndromes\u003c/a\u003e, including intramural hematoma. This condition is thought to begin with spontaneous rupture of the vasa vasorum, the blood vessels that penetrate the outer half of the aortic media from the adventitia and arborize within the media to supply the aortic wall. The hematoma propagates along the media layer of the aorta.\u003c/p\u003e\u003cp\u003eConsequently, intramural hematoma weakens the aorta and may progress either to outward rupture of the aortic wall or to inward disruption of the intima, the latter leading to communicating \u003ca href=\"https://radiopaedia.org/articles/aortic-dissection\"\u003eaortic dissection\u003c/a\u003e.\u003c/p\u003e","id":309,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2016","nextQuestionPath":"/articles/aortic-intramural-haematoma/questions/308","relatedArticles":[{"id":12392,"title":"Acute aortic syndrome","link":"/articles/acute-aortic-syndrome?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich entity is the most common risk factor for aortic intramural hematoma?\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/309"}],"attemptsPercentages":[{"alternativeId":"1509","percentage":83},{"alternativeId":"1505","percentage":1},{"alternativeId":"1507","percentage":1},{"alternativeId":"1506","percentage":4},{"alternativeId":"1508","percentage":11}],"promptToLogin":false,"questionManager":false,"articleId":"aortic-intramural-hematoma"}