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Neuropathy associated with hyperlipidemia

P G McManis1, A J Windebank, M Kiziltan

  • 1Department of Neurology, Mayo Clinic, Rochester, MN 55905.

Neurology
|November 1, 1994
PubMed
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Marked increases in serum triglycerides can cause painful small-fiber neuropathy. This study observed six patients with hyperlipidemia and neuropathy, suggesting a link between high triglyceride levels and nerve pain.

Area of Science:

  • Neurology
  • Endocrinology
  • Metabolic Disorders

Background:

  • Hyperlipidemia is a common condition characterized by high levels of lipids in the blood.
  • Peripheral neuropathies can have various causes, including metabolic disorders.

Purpose of the Study:

  • To investigate the relationship between hyperlipidemia, specifically high triglyceride levels, and painful polyneuropathy.
  • To describe the clinical characteristics of neuropathy in patients with severe hypertriglyceridemia.

Main Methods:

  • Case series describing six patients with painful polyneuropathy and hyperlipidemia.
  • Clinical assessment of neurological symptoms, reflexes, and laboratory findings (serum cholesterol and triglyceride levels).

Main Results:

Related Experiment Videos

  • All six patients presented with mild, slowly progressive painful neuropathy primarily affecting the feet.
  • Serum triglyceride levels were markedly elevated, while cholesterol levels were moderately increased.
  • Three patients had normal ankle reflexes, and three had decreased reflexes; no significant weakness or autonomic dysfunction was observed.

Conclusions:

  • Marked hypertriglyceridemia may be a cause of painful small-fiber neuropathy.
  • Correction of hypertriglyceridemia led to symptom resolution in one patient, supporting the causal link.
  • This finding highlights the importance of managing severe hypertriglyceridemia to prevent or treat neuropathy.