SpontaneousSubdural hematomaCervicalLayers of the artery wallIntracranialOcclusionIntramural hematomaIntimal tearExtracranialMedium-sized arteriesCerebrovasc DisAneurysmal dilationAnticoagulationAbdominalTraumaticDiagnosisCerebralStrokesLumenAneurysmsStrokeMultifactorialUnilateralArterial wallSpinal cordStenosisHemorrhageAdventitiaComplicationsNeurologicRadiologicRenalRepresentsChronicCongenitalCommonBrainWallSmallMedia
Spontaneous10
- Spontaneous cervical artery dissection (CAD) accounts for only ∼2% of all ischaemic strokes, but it accounts for 10-25% of ischaemic strokes in young adult patients. (bmj.com)
- In general, such dissections can be categorized as traumatic or spontaneous. (medscape.com)
- Spontaneous dissections are those in which no definitive precipitating factor is recognized. (medscape.com)
- Cervical dissections can be broadly classified as either "spontaneous" or traumatic. (wikipedia.org)
- The two main causes of cervical artery dissection can be broadly categorized as either spontaneous or traumatic. (wikipedia.org)
- Spontaneous cervical artery dissections are dissections that occur without any trauma to the neck. (wikipedia.org)
- Spontaneous spinal subdural hematoma is a remarkably rare complication in the thrombolysis process with catastrophic consequences, as shown in this case report. (bvsalud.org)
- Postoperatively, the patient was diagnosed with spontaneous spinal subdural hematoma and received a series of medical treatments and surgical interventions. (bvsalud.org)
- BACKGROUND: Spontaneous spinal subdural hematoma (SDH) is rare but leads to severe nerve compression. (bvsalud.org)
- We report an extremely rare case of spontaneous extracranial VA dissection presenting with posterior neck hematoma aggravated after cupping therapy, a treatment in traditional Oriental medicine. (bvsalud.org)
Subdural hematoma4
- The onset of spinal neurologic deficits in any patient must raise the suspicion that a spinal subdural hematoma has occurred. (bvsalud.org)
- We found a T12-L1 tense dura sac with subdural hematoma ventral to the cord. (bvsalud.org)
- Computed tomography and magnetic resonance imaging of the brain showed a small, right-sided, subdural hematoma. (bvsalud.org)
- A lumbar magnetic resonance imaging showed a longitudinally extended subdural hematoma. (bvsalud.org)
Cervical15
- Objective We aimed to investigate the value of three-dimensional (3D) T1 volumetric isotropic turbo spin echo acquisition (VISTA) in the diagnosis of cervical artery dissection (CAD). (bmj.com)
- Cervical artery dissection is a major cause of ischemic stroke in young adults, but the diagnosis can be difficult to make because patients may present with benign symptoms such as headache, neck pain, or dizziness. (medscape.com)
- Cervical artery dissection is dissection of one of the layers that compose the carotid and vertebral artery in the neck (cervix). (wikipedia.org)
- Cervical artery dissections are a significant cause of strokes in young adults. (wikipedia.org)
- Signs and symptoms of a cervical artery dissection are often non-specific and can be localized or generalized. (wikipedia.org)
- Cervical artery dissection has been noted to be a common cause of young adult strokes, with some sources indicating a prevalence of up to 20% in this young adult population with annual incidence rates between 2.6 and 2.9 per 100,000, although these incidences may be misleading with true incidences being higher because clinical presentations can vary, many being minor or self-limited, and thus these dissections can go undiagnosed. (wikipedia.org)
- Cervical arteries, as mentioned above, consist of two pairs of arteries: vertebral and carotid. (wikipedia.org)
- As such, cervical artery dissection can be further categorized based on the involvement of artery: carotid vs. vertebral, and the location of the dissection: intracranial vs. extracranial. (wikipedia.org)
- Hereditary connective tissue diseases include autosomal polycystic kidney disease, Ehlers-Danlos syndrome, Marfan syndrome, fibromuscular dysplasia, and osteogenesis imperfecta type 1 although studies have shown that the link between hereditary connective tissue diseases and cervical artery dissection is low, ranging from 0-0.6% in one study and 5-18% in another study. (wikipedia.org)
- Traumatic cervical artery dissections are dissections that occur after any sort of trauma to the neck, ranging from minor trauma such as nose-blowing or sneezing to severe trauma such as roadside accidents. (wikipedia.org)
- Cervical artery dissections begin initially with a small tear in the innermost layer of the arterial wall, the tunica intima, or rupture of the vasa vasorum with bleeding within the media. (wikipedia.org)
- The signs and symptoms of cervical artery dissection are often non-specific or generalized and can either develop acutely or over several days. (wikipedia.org)
- Headache Visual disturbances (i.e. diplopia, ptosis) Tinnitus Neck and face pain Horner syndrome (often partial) Loss of taste Anosmia Unilateral weakness Stroke Various imaging modalities can be used for the diagnosis of cervical artery dissection. (wikipedia.org)
- 2016 . Cervical artery dissections: a review . (ajtmh.org)
- COVID-19 and cervical artery dissection-causative association? (ajtmh.org)
Layers of the artery wall2
- They include: Carotid artery dissection, a separation of the layers of the artery wall supplying oxygen-bearing blood to the head and brain. (wikipedia.org)
- True arterial aneurysms involve all three layers of the artery wall (intima, media and adventitia). (patient.info)
Intracranial3
- Although high-resolution magnetic resonance imaging (HR-MRI) has been used as a strong imaging method for diagnosing intracranial vertebral artery dissection (IVAD), the diagnosis is sometimes challenging because a dissection has geometric changes in the natural course. (karger.com)
- The result of this tear is often an intramural hematoma and/or aneurysmal dilation in the arteries leading to the intracranial area. (wikipedia.org)
- Intracranial vascular disease involves the arteries within the skull or at the base of the skull. (mayabouchenaki.com)
Occlusion7
- For patients without acute artery occlusion, all of them had a definite conclusion with or without dissection by T1 VISTA (n=29). (bmj.com)
- However, for 17 patients with acute artery occlusion, the possibility of dissection could not be excluded for 6 of them by T1 VISTA (p=0.001). (bmj.com)
- However, for some patients with total occlusion of the artery without typical imaging features of dissection, the unequivocal distinction between intramural haematoma and intraluminal thrombus may be not adequate by T1 VISTA alone. (bmj.com)
- Arterial dissection is characterized by an intimal tear that results in an intramural hematoma and subsequent splitting of vessel wall layers, causing stenosis or occlusion and potentially aneurysmal dilatation of the vessel. (medscape.com)
- If a thrombus is found in both the true and the false lumens, the dissection is defined as an occlusion dissection. (medscape.com)
- A complete occlusion of the artery can result in cerebral ischemia as the brain is depleted of oxygen-rich blood. (wikipedia.org)
- Because the brain has a pair of carotid and vertebral arteries on each side of the neck, a unilateral occlusion can be asymptomatic, as the bilateral circulation continues perfusing the brain. (wikipedia.org)
Intramural hematoma2
- If a thrombus is found in the false lumen, the dissection is defined as an intramural hematoma. (medscape.com)
- A tear in one of the layers of the arterial walls can result in blood collecting within a pocket between the layers of the artery, which can result in an intramural hematoma and/or aneurysmal dilation. (wikipedia.org)
Intimal tear1
- At the moment, there is no definitive location for the dissection, with some believing dissection initially occurs within the connective tissue and vasa vasorum of the media while others believe dissection begins with an intimal tear. (wikipedia.org)
Extracranial2
- The extracranial vertebral artery (VA) is vulnerable to dissection and the V3 segment is the most common location for dissection. (bvsalud.org)
- https://financial-dictionary.thefreedictionary.com/extracranial The carotid arteries are blood vessels located on each side of your neck (carotid arteries). (mayabouchenaki.com)
Medium-sized arteries1
- Fibromuscular dysplasia (FMD) is an angiopathy that affects medium-sized arteries predominantly in young women of childbearing age. (medscape.com)
Cerebrovasc Dis1
- Cerebrovasc Dis (2016) 42 (1-2): 23-31. (karger.com)
Aneurysmal dilation1
- For T1 VISTA, the diagnosis of the dissection was based on the presence of intramural high-signal, intimal flap, double lumen and aneurysmal dilation. (bmj.com)
Anticoagulation1
- The complication of arterial dissection is generally treated with anticoagulation, first intravenously then orally. (medscape.com)
Abdominal2
- See also the separate Abdominal Aortic Aneurysms , Thoracic Aortic Aneurysms , Ruptured Aortic Aneurysm and Aortic Dissection articles. (patient.info)
- Comparative outcomes of physician-modified fenestrated-branched endovascular repair of post-dissection and degenerative complex abdominal or thoracoabdominal aortic aneurysms. (sc-ctsi.org)
Traumatic2
- Traumatic dissection is the result of either external mechanical injury, such as a penetrating or blunt trauma, or trivial trauma that is related to a movement or abrupt change in head position. (medscape.com)
- Most traumatic dissections are secondary to some form of rapid decelerations injuries resulting in hyperextension or hyperflexion with rotational injury of the neck. (wikipedia.org)
Diagnosis3
- The final diagnosis of dissection was based on the clinical history, physical examination, and all of the imaging tests. (bmj.com)
- Diagnosis of dissection was made for 20 of the 21 patients after assessing T1 VISTA. (bmj.com)
- A definitive diagnosis of dissection was not made for 5 patients (including 3 patients with digital subtraction angiography) before the T1 VISTA examination. (bmj.com)
Cerebral5
- However, parts of the thrombus can break apart and result in emboli that can lodge themselves in distal cerebral arteries causing ischemic stroke, otherwise known as a cerebral infarction. (wikipedia.org)
- Studies show benefit on the severity of neurologic deficits caused by cerebral vasospasm after subarachnoid hemorrhage, but no evidence indicates that the drug either prevents or relieves spasm of the cerebral arteries. (medscape.com)
- Most aneurysms occur singly with the most frequent sites being the circle of Willis and the bifurcation of the middle cerebral artery. (patient.info)
- They are more frequent in the territory of the basilar and middle cerebral artery. (patient.info)
- caused by a septic degeneration of the elastic and muscular layer of the cerebral arteries. (patient.info)
Strokes1
- Dissection accounts for about 2% of all ischemic strokes and can occur after trauma or chiropractic neck maneuvers. (bvsalud.org)
Lumen1
- citation needed] As the arterial wall begins to tear, blood begins to enter this newly formed false lumen and the resulting hematoma formation can either narrow (stenosis) or occlude the artery, decreasing or completely blocking blood flow through the artery. (wikipedia.org)
Aneurysms2
- False aneurysms may arise following angiogram, angioplasty or at the join between a graft and the artery. (patient.info)
- The most common are saccular aneurysms, which are described as being berry-shaped swellings occurring at the bifurcation of arteries. (patient.info)
Stroke2
- However, many neurologists advocate the use of heparin acutely in stroke in the setting of an arterial dissection. (medscape.com)
- Epidemiology, repair technique, and predictors of stroke and mortality in penetrating carotid artery injuries. (sc-ctsi.org)
Multifactorial1
- In most patients, the pathogenesis of arterial dissection is usually multifactorial. (medscape.com)
Unilateral1
- Unilateral common carotid artery dissection in a patient with recent COVID-19: an association or a coincidence? (ajtmh.org)
Arterial wall4
- Dissection is usually accompanied by hemorrhage into the arterial wall, which creates, as demonstrated in the first image below, a blind pouch or (uncommonly) a parallel subintimal second channel. (medscape.com)
- The artery may become dilated as a result of thickening of the arterial wall, with some degree of luminal narrowing. (medscape.com)
- A dissection typically results in a tear in one of the layers of the arterial wall. (wikipedia.org)
- An arterial aneurysm is a localised abnormal dilatation of an artery due to a weakness in the arterial wall. (patient.info)
Spinal cord1
- Vertebral artery dissection, a flap-like tear of the inner lining of the vertebral artery that supply blood to the brain and spinal cord. (wikipedia.org)
Stenosis1
- A, Tear and elevation of the intima from the wall of the artery, resulting in luminal stenosis. (medscape.com)
Hemorrhage3
- B, Subadventitial dissection represents hemorrhage between the media and the adventitia. (medscape.com)
- For ruptured AVMs, it is standard to wait several weeks to allow for patient recovery, hematoma liquefaction, and subsidence of inflammatory reactions, except in cases of life-threatening hemorrhage. (medscape.com)
- Despite the well-known risk factors, the pathogenesis of ICH is unclear, and the site of bleeding has rarely been demonstrated histologically due to the difficulty in examining tissue destroyed by hemorrhage as well as secondary bleeding caused by the disruption of surrounding arteries [ 12 , 13 ]. (nature.com)
Adventitia1
- The term dissection refers primarily to an elevation or separation of the intimal lining of an artery from the subjacent media and, less frequently, to separation of the media from the adventitia. (medscape.com)
Complications1
- [3] Complications may include aortic dissection , joint dislocations , scoliosis , chronic pain , or early osteoarthritis . (wikipedia.org)
Neurologic1
- Recognizing a dissection early is essential, because prompt anticoagulant and/or antiplatelet therapy and endovascular repair greatly minimize the patient's risk of infarction, neurologic disability, and death. (medscape.com)
Radiologic1
- However, carotid and vertebral dissections are still underrecognized despite their distinct clinical and radiologic manifestations. (medscape.com)
Renal2
- Angiogram of the descending aorta demonstrates the stenoses of FMD in the renal arteries bilaterally. (medscape.com)
- In about 25% of cases, there is co-existing arterial occlusive disease in the renal or lower extremity arteries. (patient.info)
Represents1
- AVM represents complex communication of an artery and a vein in which oxygenated blood is forced away from the intended tissue. (medscape.com)
Chronic2
- The second image demonstrates the angiographic characteristics of a chronic subadventitial dissection of the right internal carotid artery. (medscape.com)
- Chronic subadventitial dissection of the right internal carotid artery. (medscape.com)
Congenital1
- Congenital saccular: arterial dilatations of less than 2.5 mm that appear in the bifurcation of the arteries of the circle of Willis. (patient.info)
Common1
- Elevation of an intimal flap is not a common finding associated with this type of dissection. (medscape.com)
Brain1
- An arteriovenous malformation (AVM) is a tangled cluster of vessels, typically located in the supratentorial portion of the brain, in which arteries connect directly to veins without an intervening capillary bed. (medscape.com)
Wall2
- The artery wall becomes weakened and balloons out. (patient.info)
- The artery wall can balloon out symmetrically to form a 'fusiform' aneurysm or there can be a local 'blow-out' to form a 'saccular' aneurysm. (patient.info)
Small1
- This angiogram shows a small pseudoaneurysm and a small intimal dissection with an elevated intimal flap that is just proximal to the subadventitial dissection. (medscape.com)
Media1
- Desgarro en la capa interna de la AORTA que provoca HEMORRAGIA intersticial y la separación (disección) de la TÚNICA MEDIA de la AORTA. (bvsalud.org)