| Diabetic neuropathy |
| Prevalence |
- Most common cause of neuropathy
- About 20% of diabetic has signs & symptoms of neuropathy
- Most common over 50 years old
|
| Types |
- Symmetric chronic polyneuropathy
- most common
- paresthesia in feet
- Ankle jerk absent, foot ulcer, Neuropathic joints
- Ophthalmoplegia
- III nerve palsy with pupil sparing
- May affect VI & VII nerve
- Usually spontaneous recovery in 6 - 12 weeks
- Mononeuropathy & Mononeuropathy multiplex
- may affect Femoral, Sciatic, Median, Ulnar nerves
- Compression neuropathy also common
- Acute onset, painful, ischemic in nature
- Diabetic amytrophy
- painful, asymmetrical
- unilateral or bilateral
- affect Lumbosacral plexus
- Improve in 6 to 18 months
- Diabetic polyradiculopathy
- thoracoabdominal pain and dysesthesia
- T8-T12 most commonly involved
- Good prognosis of recovery
- Increased CSF protein
- Autonomic neuropathy
- often superimposed on polyneuropathy
- Postural hypotension
- Pupil & lacrimal dysfunction
- atonicity of GI & GU tracts
- impotence
|
| General treatment |
- Tight control of diabetes
- Meticulous foot care
- Avoid trauma
- Symptomatic pain control
|
| Postural hypotension |
- increase salt intake
- elastic stocking
- Fludrocortisone 0.1 mg qd, with gradual increase
- Indomethacin 25 to 50 mg tid
- Caffeine 200 mg in am
|
| Further Reading |
Symposium on complications
of Diabetes - Postgrad Med Feb 99 : nephropathy, Joint mobility, Coronary artery disease |