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Age- and Sex-Related Changes in the Ratio Between Ankle and Brachial Systolic Pressure in Normal Subjects

Diagnostic Center and the Hypertension Research Center, Broussais Hospital, Paris, France

R.G. Asmar

Diagnostic Center and the Hypertension Research Center, Broussais Hospital, Paris, France

G.M. London

Diagnostic Center and the Hypertension Research Center, Broussais Hospital, Paris, France

M.E. Safar

Diagnostic Center and the Hypertension Research Center, Broussais Hospital, Paris, France

The ratio between ankle (ASP) and brachial (BSP) systolic pressure was studied by using Doppler ultrasound in 198 normal subjects aged between twenty and ninety years: 97 males and 101 females. The ASP/BSP ratio de creased significantly with age both in males (r = - 0.64; p < 0.001) and in females (r = -0.72; p < 0.001). In males, the decrease in the ratio with age was due to a significant decrease in ASP with age (r = - 0.52; p < 0.001), whereas BSP did not increase significantly with age. In females, a different result was observed, since only BSP (and not ASP) was significantly (and positively) cor related with age. In both sexes, the diameter of the terminal abdominal aorta measured by echocardiography was significantly increased with age, and full examination with Doppler ultrasound excluded any significant arterial stenosis of the lower limbs. The study provided evidence that age- and sex-related changes in arterial wave transmission do exist in normal subjects.

Angiology, Vol. 39, No. 3, 219-226 (1988)
DOI: 10.1177/000331978803900303


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