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Online ISSN 1827-1847
Raso A. M., Varetto G., Bellan A., Maselli M., Sandrone N., Zan S.
From the Department and the Specialization School of Vascular Surgery (Head: Prof. A. M. Raso) Department of Medical and Surgical Sciences Turin University, Turin, Italy
Background. By measuring the diameter of the aorta and iliac arteries in cadavers, this study evaluated the possible relations between arterial diameter and age, height, weight and body size, comparing these results with those reported in the literature.
Methods. The aorta and iliac arteries were isolated in 81 cadavers undergoing postmortem examinations to ascertain the cause of death. External arterial diameter was then measured at four set points. Information was also collected regarding the gender, height, weight and body size of the cadavers examined in order to determine possible correlations with aortic diameter. The population in question presented “normal” aortas; aneurysmatic or dilatation pathologies of the aorta together with aortic ruptures and dissecting aneurysms, severe calcification and surgical reconstruction represented the criteria for exclusion from the study.
Results. Among the results obtained, it was found that the arterial diameter measured at the level of the suprarenal and infrarenal aorta and in correspondence with the left and right common iliac arteries was significantly correlated with age (p<0.001) at all four measurement points in males. The same statistically significant result emerged from a correlation between aortic diameter and age in females (p<0.001). The statistical analysis of mean diameters in the four age groups, using linear regression and variance analysis, was only found to be significant in males (p<0.001).
Conclusions. The results of measuring arterial diameter in cadavers shows that the diameters of the aorta and iliac arteries increase significantly over time in both sexes. The mean values of aortoiliac diameters are larger in males compared to females. Moreover, individual size is not significant. These findings may represent an interesting point of reference for the diagnosis of aneurysmatic and hypoplastic diseases of the abdominal aorta, taking into account the effective distribution of arterial diameters in the general population.
language: English, Italian