Aortic dissection tear symptoms?

summary

The human aorta is composed of intima, media elastic layer and adventitia. Under normal circumstances, these three layers are closely linked. Aortic dissection (AD) refers to the rupture of the middle layer of aorta due to various reasons, forming a false lumen in which blood flows and compresses the true lumen. Aortic dissection tear symptoms? Let's talk about it

Aortic dissection tear symptoms?

The main symptom is pain, almost all conscious patients will have pain, pain occurs suddenly and acutely. It is often described as tearing or peeling. Most often located in the anterior thoracic area, but the pain is also common in the interscapular area, especially in the tear of the descending aorta. When the dissection tear extends along the aorta, the pain often moves from the original tear site.

Sometimes the symptoms of dissection and laceration are associated with acute occlusive artery, such as stroke, myocardial infarction or small intestinal infarction, and the blood supply to the spinal cord is affected, resulting in lower extremity paresis or paraplegia, limb ischemia. These manifestations are similar to arterial embolism.

In 2 / 3 patients, the main arterial pulsation was weakened or disappeared completely, and the pulsation might be strong or weak. Two thirds of the patients with proximal dissection tear had aortic regurgitation murmur, and there may also be peripheral vascular signs of aortic regurgitation. A small number of patients with acute severe aortic regurgitation lead to heart failure. Left pleural effusion is common, reflecting the inflammation around the aorta causing serous accumulation or blood leakage into the left pleural cavity. Neurological complications include stroke and spinal cord ischemia caused by lower extremity paresis or paraplegia, and limb artery occlusion caused by peripheral neuropathy. Pericardial tamponade can be caused by blood leaking into pericardial cavity at the site of dissection tear.

matters needing attention

Endovascular aortic repair: the first choice for the treatment of aortic dissection rupture. There is no need for thoracotomy or laparotomy, only through a small incision in the root of thigh, the covered stent is introduced from the femoral artery. After reaching the site of aortic lesion, the stent is released and fixed in the aortic wall at both ends of the split, so as to close the split;