الفهرس 
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Abstract
Diabetes and impaired glucose tolerance re a cause of signi ficant
morbidity and mortality.
Impaired glucose metabolism is diagnosed at a fasting blood glucose of 2:1 l 0 and < I
.:!6mg:d l (IFG) and postprandial blood sugar 2:1 40 and
<200mg/d l (!GT).
diabetes.
Patients with impaired glucose tolerance may develop frank
We studied whether there was detectable renal duplex ultrasonographic changes in patients with
impaired glucose tolerance compared to a control group and if detectable renal vascular changes
occur before the development of frank diabetes. We also examined the intima-med ia complex
thickness of the common carotid artery in both groups.
A statistically significant increase was found in the systolic velocity and relative index of the
interlobar arteries between the two groups. No statistically significant increase was found in the
intima- media complex thickness between the two groups. No fundal changes were detected i n either
patient or control group.
from this we concluded that the renal vascular changes could occur m patients with impaired glucose
tolerance and this reflects that impaired glucose tolerance can lead to early vascular changes
before patients develop frank di:::betes. Lack of significant results for the intima-media complex
thickness can be explained by the fact that changes do not affect different segments in the
vascular tree in a concordant manner.