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Vertebral artery dissection (VAD) is a flap-like tear of the inner lining of the vertebral artery, which is located in the neck and supplies blood to the brain. After the tear, blood enters the arterial wall and forms a blood clot, thickening the artery wall and often impeding blood flow. The symptoms of vertebral artery dissection include head and neck pain and intermittent or permanent stroke symptoms such as difficulty speaking, impaired coordination and visual loss. It is usually diagnosed with a contrast-enhanced CT or MRI scan.

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dbo:abstract
  • تسلخ الشريان الفقري (بالإنجليزية: Vertebral artery dissection)‏ هو تسلخ يصيب البطانة الداخلية للشريان الفقري الموجود في الرقبة ويوصل الدم إلى الدماغ. هذا التسلخ قد يؤدي لظهور خثرة بسبب دخول الدم لجدران الشريان مما يؤدي لتضيقه. من أعراضه ألم في الرقبة وأعراض سكتة مثل عسر التلفظ ورنح وفقدان البصر. ويمكن تشخيصه بواسطة التصوير بالرنين المغناطيسي والأشعة المقطعية. قد يحدث تسلخ الشريان الفقري بعد رض جسدي يصيب العنق مثل إصابة كليلة (على سبيل المثال، حادث مرور)، أو خنق أو بعد حركات قوية للعنق مثل السعال أو المعالجة النخاعية («تقويم العمود الفقري»)، لكنه قد يحدث أيضًا بشكل عفوي. يكون لدى 1 -4% من الحالات العفوية اضطراب واضح في النسيج الضام يصيب الأوعية الدموية. يكون العلاج إما بالأدوية المضادة لالتصاق الصفيحات مثل الأسبرين أو بالأدوية المضادة للتخثر مثل الهيبارين أو الوارفارين. إن تسلخ الشريان الفقري أقل شيوعًا من تسلخ الشريان السباتي الباطن (تسلخ الشرايين الكبيرة في مقدمة العنق). تكون الحالتان معًا مسؤولتان عن 10 -25% من السكتات غير النزفية لدى الشباب ومتوسطي العمر. يتعافى أكثر من 75% بشكل كامل أو مع بقاء أثر خفيف على الوظيفة، بينما يعاني الباقون من إعاقة شديدة، وتتوفى نسبة صغيرة (نحو 2%) جراء الاختلاطات. وصفه لأول مرة عالم الأعصاب الكندي س. ميلر فيشر في سبعينيات القرن الشرين. (ar)
  • Vertebral artery dissection (VAD) is a flap-like tear of the inner lining of the vertebral artery, which is located in the neck and supplies blood to the brain. After the tear, blood enters the arterial wall and forms a blood clot, thickening the artery wall and often impeding blood flow. The symptoms of vertebral artery dissection include head and neck pain and intermittent or permanent stroke symptoms such as difficulty speaking, impaired coordination and visual loss. It is usually diagnosed with a contrast-enhanced CT or MRI scan. Vertebral dissection may occur after physical trauma to the neck, such as a blunt injury (e.g. traffic collision), or strangulation, or after sudden neck movements, i.e. coughing, but may also happen spontaneously. 1–4% of spontaneous cases have a clear underlying connective tissue disorder affecting the blood vessels. Treatment is usually with either antiplatelet drugs such as aspirin or with anticoagulants such as heparin or warfarin. Vertebral artery dissection is less common than carotid artery dissection (dissection of the large arteries in the front of the neck). The two conditions together account for 10–25% of non-hemorrhagic strokes in young and middle-aged people. Over 75% recover completely or with minimal impact on functioning, with the remainder having more severe disability and a very small proportion (about 2%) dying from complications. It was first described in the 1970s by the Canadian neurologist C. Miller Fisher. (en)
  • A dissecção da artéria vertebral (DAV) é uma dissecção (ruptura) do revestimento interno da artéria vertebral. Esta artéria situa-se no pescoço e fornece sangue ao cérebro. Após a ruptura, o sangue entra na parede arterial e forma um trombo, fazendo com que a parede arterial aumente de espessura e impedindo o fluxo de sangue. Os sintomas incluem dores de cabeça e pescoço e sintomas de acidente vascular cerebral (AVC) intermitentes ou permanentes, como dificuldade em articular palavras, dificuldades de coordenação motora e perda de visão. A condição é geralmente diagnosticada com recurso a tomografia computorizada (TAC) com contraste ou ressonância magnética (RM). A dissecção vertebral pode ocorrer na sequência de trauma físico no pescoço, como no caso de um acidente de trânsito, estrangulamento ou manipulação vertebral em quiropraxia, embota também possa ocorrer de forma espontânea. Entre 1 e 4% dos casos espontâneos têm subjacente uma doença dos tecidos conjuntivos que afecta os vasos sanguíneos. O tratamento consiste geralmente em antiplaquetários como a aspirina ou anticoagulantes como a heparina ou varfarina. A dissecção da artéria vertebral é menos comum do que a dissecção da artéria carótida. O conjunto das duas condições corresponde a 10–25% dos AVC não hemorrágicos em pessoas jovens e de meia idade. Mais de 75% das pessoas recuperam por completo ou com sequelas mínimas. As restantes apresentam sequelas mais graves e, em 2% dos casos, morrem de complicações. A condição foi descrita pela primeira vez na década de 1970 pelo neurologista canadiano C. Miller Fisher. (pt)
dbo:complications
  • Stroke,subarachnoid hemorrhage
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dbp:caption
  • Arteries of the neck, with arrows indicating the right vertebral artery (en)
dbp:causes
  • Trauma, Ehlers–Danlos syndrome, Marfan syndrome (en)
dbp:complications
dbp:diagnosis
  • Computed tomography angiography, magnetic resonance angiography, invasive angiography (en)
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  • Vertebral artery dissection (en)
dbp:symptoms
dbp:synonyms
  • Vertebral dissection (en)
dbp:treatment
  • Anticoagulation, angioplasty, surgery (en)
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  • تسلخ الشريان الفقري (بالإنجليزية: Vertebral artery dissection)‏ هو تسلخ يصيب البطانة الداخلية للشريان الفقري الموجود في الرقبة ويوصل الدم إلى الدماغ. هذا التسلخ قد يؤدي لظهور خثرة بسبب دخول الدم لجدران الشريان مما يؤدي لتضيقه. من أعراضه ألم في الرقبة وأعراض سكتة مثل عسر التلفظ ورنح وفقدان البصر. ويمكن تشخيصه بواسطة التصوير بالرنين المغناطيسي والأشعة المقطعية. (ar)
  • Vertebral artery dissection (VAD) is a flap-like tear of the inner lining of the vertebral artery, which is located in the neck and supplies blood to the brain. After the tear, blood enters the arterial wall and forms a blood clot, thickening the artery wall and often impeding blood flow. The symptoms of vertebral artery dissection include head and neck pain and intermittent or permanent stroke symptoms such as difficulty speaking, impaired coordination and visual loss. It is usually diagnosed with a contrast-enhanced CT or MRI scan. (en)
  • A dissecção da artéria vertebral (DAV) é uma dissecção (ruptura) do revestimento interno da artéria vertebral. Esta artéria situa-se no pescoço e fornece sangue ao cérebro. Após a ruptura, o sangue entra na parede arterial e forma um trombo, fazendo com que a parede arterial aumente de espessura e impedindo o fluxo de sangue. Os sintomas incluem dores de cabeça e pescoço e sintomas de acidente vascular cerebral (AVC) intermitentes ou permanentes, como dificuldade em articular palavras, dificuldades de coordenação motora e perda de visão. A condição é geralmente diagnosticada com recurso a tomografia computorizada (TAC) com contraste ou ressonância magnética (RM). (pt)
rdfs:label
  • تسلخ الشريان الفقري (ar)
  • Dissecção da artéria vertebral (pt)
  • Vertebral artery dissection (en)
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  • Vertebral artery dissection (en)
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