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[Neuropathies and chronic respiratory insufficiency: electrophysiologic study]
Revue D'Electroencephalographie Et De Neurophysiologie Clinique
|February 1, 1986
Summary
Neuropathies are common in chronic obstructive pulmonary disease (COPD), affecting 74% of patients, often subclinically. Prolonged hypoxemia is linked to these mixed axonal and demyelinating nerve disorders.
Area of Science:
- Neurology
- Pulmonology
- Pathology
Context:
- Chronic obstructive pulmonary disease (COPD) is a leading cause of respiratory insufficiency.
- Neuropathies can be a complication of chronic systemic diseases.
- Understanding nerve involvement in COPD is crucial for patient management.
Purpose:
- To systematically investigate the frequency and characteristics of neuropathies in patients with COPD.
- To correlate clinical, electrophysiological, and histopathological findings of neuropathy with COPD severity and duration.
- To explore the pathogenic mechanisms underlying neuropathy in chronic respiratory insufficiency.
Summary:
- A study of 43 COPD patients revealed a 74% prevalence of neuropathies, predominantly mild and subclinical.
- Electrophysiological and nerve/muscle biopsy data indicated mixed axonal and demyelinating neuropathies with neurogenic atrophy.
- Nerve conduction studies and EMG confirmed abnormalities, with hypoxemia duration identified as a significant correlating factor.
Impact:
- Highlights the high incidence of undiagnosed neuropathies in COPD patients.
- Suggests neuropathy is an integral complication of COPD, influenced by hypoxemia.
- Emphasizes the need for neurological assessment in COPD management to improve patient outcomes.