内腹腔大动脉动脉瘤是什么?
Simon De Freitas1, Nicole D'Ambrosio1, Javairiah Fatima1
1Department of Vascular Surgery, Georgetown University Hospital, MedStar Health, Washington, DC, USA.
The Surgical clinics of North America
|July 16, 2023
概括
腹腔大动脉瘤 (AAA) 影响老年人,并可能破裂,导致高死亡率. 无症状AAA的早期查和内血管修复显著降低了死亡率.
科学领域:
- 血管外科 血管外科
- 公共卫生 公共卫生
- 老年医学 老年医学
背景情况:
- 腹腔大动脉瘤 (AAA) 影响6%的男性和1.7%的65岁以上女性.
- AAA通常无症状,直到破裂,死亡率为80%.
- 破裂的AAA干预生存率很差,在住院期间死亡率为50%.
研究的目的:
- 强调预防性修复无症状腹部大动脉动脉瘤的重要性.
- 强调基于人口的查计划在减少AAA死亡率中的作用.
- 讨论内血管修复对下AAA的适用性.
主要方法:
- 对腹腔大动脉动脉瘤的自然史和结果的审查.
- 对基于人口的查计划好处的分析.
- 讨论下AAA的内血管修复可行性的讨论.
主要成果:
- 在无症状阶段进行预防性修复可以降低AAA死亡率.
- 查计划支持在人口层面降低死亡率.
- 60%的AAA是下线的,适用于内血管修复.
结论:
- 早期检测和内血管修复对于降低腹腔大动脉瘤死亡率至关重要.
- 内血管技术现在是AAA修复的主要方法,取代了开放式手术.
- 查计划对于识别可及时干预的AAA至关重要.
相关概念视频
Aneurysm III: Interprofessional Care
10
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
10
Aneurysm I: Introduction
15
An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
15
Aneurysm II: Clinical Manifestations and Diagnostic Studies
10
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
10
Abdominal Aorta
887
Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
The celiac trunk, a singular artery, divides into the left gastric artery, which...
The celiac trunk, a singular artery, divides into the left gastric artery, which...
887
The Aorta
942
The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...
942
Aortic Regurgitation I: Introduction
18
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
18


