The decreased myocardial perfusion in diabetes is due primarily to reduced maximal myocardial blood flow.

Why do diabetics have poor perfusion?

How is poor circulation linked with diabetes? In people with diabetes, if high blood glucose levels are experienced over a period of years, our blood vessels can become damaged which can lead to plaque forming in the blood vessels rendering them unable to deliver a sufficient amount of blood to neighbouring cells.

How is perfusion related to diabetes?

It is suggested that the initial microvascular dilation observed in diabetics is due to an autoregulatory response to relative tissue hypoxia providing an increased tissue perfusion in order to improve tissue oxygen delivery.