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【主動脈瘤 Aortic Aneurysm】

主動脈瘤是發生在身體主動脈(稱為主動脈)壁上的隆起。 主動脈將血液從心臟輸送到全身。 主動脈瘤可發生在主動脈的任何部位。 它們可以是管狀的或圓形的。主動脈瘤是主動脈中的氣球狀凸起,主動脈是將血液從心臟輸送到胸部和軀幹的大動脈

主動脈瘤可能會夾層或破裂:

  • 血液泵送的力量會分裂動脈壁的各層,使血液從它們之間滲漏。 這個過程稱為解剖。
  • 動脈瘤可能會完全破裂,導致體內出血。 這稱為破裂。
  • 夾層和破裂是大多數主動脈瘤死亡的原因。

主動脈瘤包括:

  • 腹主動脈瘤. 腹主動脈瘤發生在穿過腹部區域的主動脈部分。
  • 胸主動脈瘤。 胸主動脈瘤發生在穿過胸腔的主動脈部分。

有些人可能同時患有這兩種類型的主動脈瘤。

An aortic aneurysm is a bulge that occurs in the wall of the body’s main artery, called the aorta. The aorta carries blood from the heart to the body. Aortic aneurysms can occur anywhere in the aorta. They may be tube shaped or round.

An aortic aneurysm is a balloon-like bulge in the aorta, the large artery that carries blood from the heart through the chest and torso.

Aortic aneurysms can dissect or rupture:

  • The force of blood pumping can split the layers of the artery wall, allowing blood to leak in between them. This process is called a dissection.
  • The aneurysm can burst completely, causing bleeding inside the body. This is called a rupture.
  • Dissections and ruptures are the cause of most deaths from aortic aneurysms.

Aortic aneurysms include:

  • Abdominal aortic aneurysm. An abdominal aortic aneurysm occurs along the part of the aorta that passes through the belly area.
  • Thoracic aortic aneurysm. A thoracic aortic aneurysm occurs along the part of the aorta that passes through the chest cavity.

Some people may have both types of aortic aneurysms.

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