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Intima-media thickness and atherosclerotic plaques in popliteal, tibial, brachial and radial arteries in 65-year-old Finns with diabetes

Department of Public Health Science and General Practice, University of Oulu, Aapistie 1, 90220 Oulu, Finland, ulla.rajala{at}oulu.fi

Markku Päivänsalo

Department of Diagnostic Radiology, University of Oulu, 90029 OYS, Finland

Mauri Laakso

Department of Public Health Science and General Practice, University of Oulu, Aapistie 1, 90220 Oulu, Finland

Ilkka Suramo

Department of Diagnostic Radiology, University of Oulu, 90029 OYS, Finland

Sirkka Keinänen-Kiukaanniemi

Department of Public Health Science and General Practice, University of Oulu, Aapistie 1, 90220 Oulu, Finland

The aim of the present study was to examine the intima-media thickness (IMT) and the number of atherosclerotic plaques in the medium-sized arteries of the lower and upper limbs in 65-year-old Finns (45 diabetic subjects, 65 subjects with impaired glucose tolerance [IGT] and 38 normoglycaemic [NGT] subjects). The maximal IMT of radial arteries was higher in subjects with diabetes (0.41 mm±0.07) than in those with IGT (0.36 mm±0.06) or NGT (0.35 mm±0.07) (p<0.001), but in popliteal, tibial and brachial arteries there were no significant differences between the groups. A large proportion of the study population had plaques in their lower limb arteries and some subjects had a very high number of plaques. The proportion of subjects with diabetes in the highest quintile of the number ( 79) of tibial plaques was 47%, while the corresponding number was 26% among those with a lower number of plaques (p=0.030). The occurrence of plaques in brachial and radial arteries was low. Diabetic subjects tended to have radial plaques more often than subjects with IGT and NGT.

Key Words: plaque • intima-media • popliteal • tibial • brachial • radial.

The British Journal of Diabetes & Vascular Disease, Vol. 5, No. 5, 277-280 (2005)
DOI: 10.1177/14746514050050050701


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