Imaging of Vascular

Complications of Diabetes

By Dr Ashok MANRAJ

Medical Update 13.12.06

Dr Ashok Manraj Medical Update 13.12.06

Complications of diabetesCatch them young, else they spread like wildfire

A Metabolic

– Hypoglycemia– Ketoacidosis– Hyperosmolar coma– Lactic acidosis

B Infections

C Vascular complications

Vascular complications of diabetes

Microangiopathic.Retinopathy.Nephropathy.Neuropathy

Macroangiopathic.Coronary artery disease.Cerebro-vascular disease.Peripheral vasc. disease

Peripheral vascular disease in diabetics differs from that in non-diabetics

Diabetic Non-diabetics

Frequency More common Less common

Age of onset Younger age Older age

Clinical course Rapid Less Rapid

Occlusion Multisegmental Single segment

Lower limbs Both Unilateral

Vessels involved

Proximal & distal

Distal

Doppler criteria of stenosis of carotid arteries

% diameter reduction Doppler Clinically

Normal PSV<125 Normal Clear window 1-15% PSV<125 Minimal disease

Min spec broad16-49% PSV <125 Moderate disease

Spec broad 50-79% PSV>125 Mod severe

Inc Dias flow Marked spec broad

80-99% PSV>200 Markedly severeEDV>140