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