Related Experiment Videos
Atherosclerosis--multi-organ involvement the rule rather than the exception
A M Travers1, C J Nel, R Barry
1Department of Surgery, University of the Orange Free State, Bloemfontein, RSA.
Insights
Atherosclerosis often affects multiple organs, not just the symptomatic area. This study found strong links between coronary artery disease, carotid artery stenosis, and peripheral vascular disease, with women showing higher multi-organ involvement.
Area of Science:
- Cardiovascular Medicine
- Vascular Biology
- Public Health
Background:
- Atherosclerosis is a systemic inflammatory disease.
- Lesions commonly affect multiple organ systems simultaneously.
- Understanding multi-organ involvement is crucial for patient management.
Purpose of the Study:
- To investigate the prevalence of concomitant atherosclerotic lesions in patients with symptomatic coronary artery disease, carotid artery stenosis, or peripheral vascular disease.
- To assess the association between these different manifestations of atherosclerosis.
- To explore potential differences in multi-organ involvement between sexes.
Main Methods:
- Patient cohorts admitted with coronary artery disease, carotid artery stenosis, or peripheral vascular disease were studied.
- Non-invasive diagnostic tools were employed, including duplex scanning, arm ergometer exercise testing, and segmental limb pressure measurements.
- Concomitant atherosclerotic lesions in other organ systems were evaluated.
Main Results:
- A significant association was identified between coronary artery disease, carotid artery stenosis, and femoropopliteal disease.
- Patients exhibited widespread atherosclerotic involvement across different vascular beds.
- Women demonstrated a higher propensity for multi-organ atherosclerotic disease compared to men.
Conclusions:
- Atherosclerosis frequently presents as a multi-system disorder.
- Clinical presentation in one vascular territory suggests a high likelihood of disease in others.
- Gender and age are factors influencing the extent of atherosclerotic involvement.
Abstract:
Atherosclerosis is a systemic disorder and significant lesions often occur in organ systems other than the symptomatic area. Three groups of patients, those admitted to hospital with either coronary artery disease, carotid artery stenosis or peripheral vascular disease, were examined for concomitant atherosclerotic lesions. Non-invasive tests, namely duplex scanning of the carotid arteries, arm ergometer exercise testing, and segmental pressure of the limbs, were used during evaluation. A clear association between ischaemic heart disease, carotid artery stenosis and femoropopliteal disease was found. Women appear to be more prone to multi-organ involvement than men; their higher average age on admission to hospital is a possible explanation for this in some cases, but not all.