Background: Despite advancements in coronary artery bypass grafting (CABG), the optimal choice of graft material remains a subject of investigation. This study aimed to comprehensively analyze the morphological characteristics of varicose veins, exploring their potential utilization in CABG compared to healthy veins.

Methods: The study included 178 patients, categorized into two groups based on healthy and varicose veins. Morphological parameters, including maximum venous diameter, wall thickness, and specific changes in tunica intima (TI), tunica media (TM), and tunica adventitia (TA), were analyzed through microscopic evaluation.

Results: Varicose veins exhibited a significantly larger maximum venous diameter ( = 0.0001) and increased wall thickness ( = 0.0001) compared to healthy veins. Although varicose veins showed thickening in TI and TM, the differences were not statistically significant. Notably, disorganized smooth muscle bundles were more prevalent in varicose veins ( = 0.001), suggesting potential wall weakness. The absence of vasa vasorum in TA was significantly higher in varicose veins ( = 0.050), influencing vascularization considerations.

Conclusions: The comparative morphological microscopic analysis of the specimens of healthy and varicose veins reveals significant differences between the groups, which make the conclusion of this study to plead for avoiding the use of varicose veins as a graft.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10968262PMC
http://dx.doi.org/10.3390/biomedicines12030476DOI Listing

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