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Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus
Published on: December 7, 2013
Aortic and mitral valve atherosclerosis: Predictive factors and associations with coronary atherosclerosis using
Maryam Sotoudeh Anvari1, Mohammad Ali Boroumand, Abbasali karimi
1Surgical and Clinical pathology Department, Tehran Heart Center, Medical Sciences/University of Tehran, Iran. maryamsotoudeh2006@yahoo.com
Insights
Valvular atherosclerosis, characterized by lipid deposition and inflammation, shares risk factors with coronary atherosclerosis. Key predictors include body mass index, smoking, diabetes, and aortic stenosis.
Area of Science:
- Cardiovascular pathology
- Atherosclerosis research
- Histopathology
Background:
- Valvular atherosclerosis involves lipid deposition, fibrosa thickening, spongiosa thinning, and inflammation.
- It shares pathological similarities with generalized atherosclerotic processes.
Purpose of the Study:
- To identify predictive factors for valvular atherosclerosis.
- To assess the association between valvular and coronary atherosclerosis using the Gensini score.
Main Methods:
- Histopathological evaluation of 68 patients with valvular atherosclerosis and 115 controls.
- Analysis of risk factors including age, gender, diabetes, BMI, hyperlipidemia, smoking, and aortic stenosis.
Main Results:
- Aortic and mitral valves were affected in 51.5% and 39.7% of cases, respectively.
- Multivariate analysis identified BMI, smoking, diabetes, and aortic stenosis as significant risk factors.
- Patients with valvular atherosclerosis had higher Gensini scores, indicating more severe coronary atherosclerosis.
Conclusions:
- Valvular atherosclerosis is analogous to coronary atherosclerosis and systemic atherosclerotic disease.
- BMI, smoking, diabetes, and aortic stenosis are significant risk factors for valvular atherosclerosis.
Background And Aims:
Valvular atherosclerosis is defined as extra- and intracellular lipid deposition, thickening of the fibrosa layer, decreased thickness of the spongiosa, and chronic inflammation. We sought to identify the predictive factors for valvular atherosclerosis and assess the possible associations between valvular atherosclerosis and coronary atherosclerosis using the Gensini score.
Methods:
Between January 2004 and May 2008, 1400 adult patients underwent mitral or aortic valvular surgery with or without coronary artery bypass grafting (CABG) at our center. From the total study population, 68 (4.85%) patients had atherosclerotic valves during histopathological evaluations. Risk factors for valvular atherosclerosis were identified via a comparison between the 68 cases and 115 controls who had valvular surgery without valvular atherosclerotic changes.
Results:
Distributions of atherosclerotic changes in the cardiac valves were as follows: 35 (51.5%) patients with aortic atherosclerosis, 27 (39.7%) with mitral atherosclerosis, and 6 (8.8%) with both mitral and aortic valve atherosclerosis. Our univariate analysis revealed that age, gender, diabetes, body mass index (BMI), hyperlipidemia, smoking habit, and aortic stenosis were significant. According to our multivariate analysis, BMI, smoking habit, diabetes, and aortic stenosis were the risk factors for valvular atherosclerosis. Also, stages of coronary artery atherosclerosis using Gensini score were significantly higher in patients with valvular atherosclerosis.
Conclusions:
Valvular atherosclerotic changes are strongly analogous with coronary atherosclerosis and generalized atherosclerotic processes. Our results also showed that BMI, smoking habit, diabetes, and aortic stenosis were risk factors for valvular atherosclerosis.
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