Abstract
Fifty-four elderly people 81.2 years ± 7.4 (mean age ± s.d., range 66–98 years) were selected. These included 20 men (78.6 ± 6.4 years, range 70–91 years) and 34 women (82.2 ± 7.6 years, range 66–98 years). The relationship between the size of the abdominal aorta and various cardiovascular risk indicators such as calf:brachial systolic pressure ratio, plasma cholesterol, triglycerides, and random blood glucose were examined. Abdominal aortic diameter correlated well with calf:brachial systolic ratio measured by Doppler method over the posterior tibial artery and taking the lowest result of the right and left side (r = −0.28, P = 0.04). This correlation tended to be stronger in men (r = −0.55, P = 0.02) compared to women (r = −0.10, P = 0.57). However, the relationship tended to be confined to the systolic pressure in the left leg, raising the hypothesis that left-sided vascular disease is better related to aortic diameter, possibly due to a difference in the effects of reflected waves between the two sides. This needs further investigation.The contrast between the sexes was seen in the absence of any significant difference in resting blood pressure and calf:brachial systolic pressure ratio between the two. This finding suggests that the sex differences in the relationship between the size of the abdominal aorta and calf:brachial systolic pressure ratio are related to intrinsic properties of the arterial wall.
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Rajkumar, C., Bonapace, S., Starr, J. et al. Association between abdominal aortic diameter and peripheral vascular disease. J Hum Hypertens 11, 589–591 (1997). https://doi.org/10.1038/sj.jhh.1000498
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DOI: https://doi.org/10.1038/sj.jhh.1000498