imaging of vascular complications of diabetes

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