Which of the following etiologies is most commonly associated with aortic dissection in the general population?
Group of answer choices
- Syphilis
- Marfan syndrome
- Trauma
- Hypertension
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The correct answer is: Hypertension.
Explanation:
Aortic dissection, a serious condition in which there is a tear in the inner layer of the aorta, is most commonly associated with hypertension in the general population. Chronic high blood pressure puts significant stress on the walls of the aorta, weakening the vessel and making it more susceptible to dissection.
Here’s why the other options are less commonly associated with aortic dissection:
- Syphilis: While syphilis can lead to vascular complications, particularly in the tertiary stage, it is much less common in the general population today due to the widespread availability of antibiotics.
- Marfan syndrome: Marfan syndrome, a genetic connective tissue disorder, is indeed a risk factor for aortic dissection, but it is relatively rare compared to hypertension.
- Trauma: While trauma can cause aortic dissection, it is much less common compared to the spontaneous dissection that occurs in patients with chronic hypertension.
Therefore, hypertension is the most common etiology for aortic dissection in the general population.
