Remodeling of the aortic wall layers with ageing
Vol. 63 No. 1, 2022
ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY
Mirela Albu, Doru Adrian Seicaru, Razvan Mihail Plesea, Oana Cristina Mirea, Florentina Gherghiceanu, Valentin Titus Grigorean, Mircea-Sebastian Serbanescu, Iancu Emil Plesea, Mircea Litescu
Aim: The authors aimed to evaluate the correlations between the variation of two of the main morphological parameters of the aortic wall (intima and media thicknesses) and ageing. Materials and Methods: Aortic cross sections (base region, cross region, thoracic region, and abdominal region) were collected from 90 cases of all ages died and autopsied in the hospital. Tissue samples were processed using the classical histopathological technique (formalin fixation and paraffin embedding) and stained with Orcein and Goldner s trichrome. The obtained histological slides were transformed into virtual slides. Intima and media thicknesses were determined on virtual slides using a custom-made software, developed in MATLAB (MathWorks, USA). Results and Discussions: The intima layer underwent an obvious and continuous process of thickening both from the aortic base region to its terminal (abdominal) region and from young ages to old age. The processes were similar in men and women but almost always more pronounced in men than in women. The media layer underwent a thickness reduction process from the aortic base to the terminal (abdominal) region whereas with age, the thickness of the layer increased. This divergent profile of evolution was similar in both men and women but with some variations depending on either topography or ageing. Conclusions: Each of the main layers of the aortic wall revealed dynamic individual evolutionary profiles related to age, gender and topography along the aortic path. Studies must be continued in a more detailed, standardized and integrated way.
Corresponding author: Iancu Emil Plesea, Professor, MD, PhD; e-mail: emil.plesea@umfcd.ro
DOI: 10.47162/RJME.63.1.07 Download PDF Remodeling of the aortic wall layers with ageing PDFDownload contents
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