En la clasificación de Dubost, la disección abdominal representa del 1 al 2% de todas las disecciones aórticas, cuadro clínico aún más infrecuente si excluimos. El presente documento pretende ser una guía para la orientación diagnóstica y el tratamiento médico inicial de la disección aórtica aguda, proximal o distal. RESUMEN. Introducción: La disección aórtica es una enfermedad de pronóstico muy reservado, con una elevada mortalidad, aun cuando se diagnostique.
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Advanced Emergency Nursing Journal. Severe hypotension at presentation is a grave prognostic indicator. Previously thought to be the diagnostic gold standardit has aortida supplanted by other, less-invasive imaging modalities.
Pericardial tamponade is the most common cause of death from aortic dissection. The proximity of the aorta to the esophagus allows the use of higher-frequency ultrasound for better anatomical images.
Strokemesenteric ischemiamyocardial ischemiaaortic rupture [2]. This is known as cystic medial necrosis and is most commonly associated with Marfan syndrome and is also associated with Ehlers-Danlos syndrome.
The right coronary artery is involved more commonly than the left coronary artery. The risk of dissection in individuals with bicuspid aortic valve is not associated with the degree of stenosis of the valve. Se continuar a navegar, consideramos que aceita o seu uso.
Aortic dissection
Vasculitis inflammation of an artery is rarely associated with aortic dissection. Because of this, the therapeutic strategies differ for the treatment of an acute dissection compared to a chronic dissection. However, type B dissections are not improved, from a mortality point of view, by the operation, unless leaking, rupture, or compromise to other organs, e.
Aortic dissection is relatively rare, occurring at an estimated rate of three perpeople per year. The initiating event in an aortic dissection is a tear in the intimal lining of the aorta.
It may extend proximally closer to the heart or distally away from the heart or both. If the individual has refractory hypertension persistent hypertension on the maximum doses of three different classes of antihypertensive agentsaoryica involvement of the renal arteries in the aortic dissection plane should be considered.
The blood travels through the media, creating a false lumen the true lumen is the dsieccion conduit of blood in the aorta. Iatrogenic causes include trauma during cardiac catheterization or aorica to an intra-aortic balloon pump.
The disadvantage of the MRI scan in the face of aortic dissection is that it has limited availability and is often located only in larger hospitals, and the scan is relatively time-consuming, which may be dangerous in people who are dideccion very unwell. D ICD – Angiology accepts and reviews articles for publication received from Spain and Latin American countries.
Aortic dissection is associated with hypertension high blood pressure and many disecclon tissue disorders. This item has received. These conditions include the following:. Disadvantages of TEE include the inability to visualize the distal ascending aorta the beginning of the aortic archand the descending abdominal aorta that lies below the stomach.
People with an aortic dissection often have a history of high blood pressure ; the blood pressure is quite variable at presentation with acute aortic dissection, and tends to be higher in individuals with a distal dissection.
Aortic dissection – Wikipedia
The calcium channel blockers typically used are verapamil and diltiazembecause of their combined vasodilator and negative inotropic effects. If the individual has managed to survive this window period, his prognosis is improved.
Thoracic Aortic Aneurysms and Aortic Dissections. Since no direct connection exists between the true lumen and the false lumen in these cases, diagnosing an aortic dissection by aortography is difficult if the cause is an intramural eiseccion.
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Carotid artery stenosis Renal artery stenosis. Diseases of the aorta Diseases of arteries, arterioles and capillaries Deaths from aortic dissection Causes of aorticca Medical emergencies Vascular surgery IgG4-related disease. Archived from the original on 9 May Ritter rules are a compilation of reminders, symptoms, and risk factors designed to prevent the misdiagnosis of thoracic aortic dissection.
Chronic venous insufficiency Chronic dlseccion venous insufficiency Superior vena cava syndrome Inferior vena cava syndrome Venous ulcer. Common disecciob used to diagnose an aortic dissection include a CT scan of the chest with iodinated contrast material and a transesophageal echocardiogram. As blood flows down the false lumen, it may cause secondary tears in the intima.
Ritter aorgica initially misdiagnosed and subsequently treated for a heart attack. The force of the blood entering the media causes the tear to extend. In other projects Wikimedia Commons. SRJ is a prestige metric based on the idea that not all citations are the same.
Type A aortic dissection [21]. Long-term blood pressure control is required for every person who has experienced aortic dissection. The risk of death is highest in the first two years after the acute event, and individuals should be followed closely during this time period.
Blood pressure control, not smoking [1]. The double-barrel aorta relieves the pressure of blood flow and reduces the risk of rupture. Archived from the original on 5 January An acute dissection is one in which the arotica presents within the first two weeks. Vascular surgerycardiothoracic surgery.