Clinical profile and electrodiagnostic study of peripheral neuropathy.
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1989-09-01
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Abstract
A clinical analysis and electrophysiological study was performed in 40 cases of peripheral neuropathy. Motor nerve conduction velocity (MNCV) and electromyography (EMG) were also recorded in 20 healthy volunteers. Twelve cases were of diabetic neuropathy (DN), nine of Guillain-Barre syndrome (GBS), eight of idiopathic, six of leprous, three of toxic neuropathy and one each of acute intermittent porphyria (AIP) and carcinomatous neuropathy. The onset was insidious in a majority of the cases (70%), the presenting symptom being paraesthesia (27.5%). A variable sensory loss was the commonest finding (77.5%). Two patients each had evidence of cranial nerve involvement and affection of urinary bladder and bowel. In both DN and GBS there was a significant reduction in the MNCV especially in the peroneal nerves. In DN 41.6% had evidence of decreased motor unit potentials and 16.6% showed spontaneous fibrillatory activity. For GBS these figures were 77.7% and 8.3% respectively. The peripheral nerve involvement was variable in leprosy and the EMG was normal in all, but one case.
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Goel UC, Gupta OP, Bajaj S, Bajaj AK, Saxena RK. Clinical profile and electrodiagnostic study of peripheral neuropathy. Journal of the Association of Physicians of India. 1989 Sep; 37(9): 578-82