Alcoholic Neuropathy Clinical Presentation
- Author: Scott R Laker, MD; Chief Editor: Robert H Meier III, MD more...
History
Ascertaining the symptomatic history of a patient with alcoholic neuropathy is not specific for diagnosis. Pure alcoholic neuropathy is characterized by a progressive, sensory-dominant symptomatology. Interestingly, concomitant thiamine deficiency creates a much more variable presentation. A detailed history of alcohol use should be obtained from any patient presenting with symptoms of general neuropathy. Additionally, nutritional history and questioning regarding other neuropathy risk factors should be documented.[13]
- Patients with alcoholic neuropathy typically present with a history of alcoholism and an insidious onset of distal lower extremity paresthesias, dysesthesias, or weakness. The most common symptom seems to be burning dysesthesias in the feet and toes. Less commonly, patients present with a more rapid, acute onset of symptoms.
- Patients also may have a history of gait ataxia and difficulty walking or a history of frequent falls.
- In cases of more advanced presentation, patients may report upper extremity symptoms.
Physical
Classic physical examination findings associated with alcoholic neuropathy may include the following:
- Diminished sensation to vibration or pinprick stimulation in a "stocking-to-glove" distribution
- Thermal and proprioceptive sensation abnormalities
- Muscle stretch reflexes, especially of the gastrocnemius-soleus muscle complex
- Weakness of ankle/toe dorsiflexion and/or ankle plantar flexion strength
- Intrinsic atrophy of foot muscles in advanced cases
- Gait ataxia with a widened base of support or bilateral foot drop
Evidence of other alcohol-related, end-organ damage also may be observed on physical examination.
Causes
Excess alcohol consumption causes alcoholic neuropathy. As previously stated, further studies must be performed to determine genetic influences on this disorder.
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