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1.
Turk J Med Sci ; 50(4): 804-810, 2020 06 23.
Article in English | MEDLINE | ID: mdl-32222127

ABSTRACT

Background/aim: Although ulnar neuropathy at the elbow (UNE) is the second most common entrapment mononeuropathy, there are few reports on its neurophysiological classification. In this study, we tried to find out the role of needle electromyography (EMG) in the neurophysiological classification of UNE. Materials and methods: UNE patients who met the clinical and neurophysiological diagnostic criteria and healthy individuals were included in this study. Reference values of nerve conduction studies were obtained from healthy individuals. Needle EMG was performed to all UNE patients. According to the neurophysiological classification proposed by Padua, UNE patients were classified as mild, moderate, and severe. Results: Thirty-one controls and thirty-five UNE patients were included in the study. There was mild UNE in 23 patients, moderate UNE in 8, and severe UNE in 4. Abnormal needle EMG findings were present in all patients with moderate and severe UNE and in 12 patients with mild UNE. Conclusion: Abnormal needle EMG findings are seen in most of the UNE patients. Therefore, it is not practical to use needle EMG findings in the neurophysiological classification. Needle EMG abnormalities may also be present in patients with mild UNE due to axonal degeneration or motor conduction block.


Subject(s)
Elbow/innervation , Elbow/physiopathology , Electromyography/methods , Ulnar Neuropathies/diagnosis , Ulnar Neuropathies/physiopathology , Adolescent , Adult , Aged , Electromyography/instrumentation , Female , Humans , Male , Middle Aged , Needles , Sensitivity and Specificity , Young Adult
2.
Neurol Sci ; 32(5): 849-54, 2011 Oct.
Article in English | MEDLINE | ID: mdl-21720897

ABSTRACT

Objective of this study was to determine which nerve conduction is more sensitive electrophysiologically in the diagnosis of polyneuropathy in diabetics by evaluating the sensory conduction in medial plantar nerve and medial peroneal (dorsal) cutaneous nerves. Additionally to investigate the relation between Neuropathy Symptom Score (NSS) and Neuropathy Disability Score (NDS) values used in the diagnosis of these conduction studies. Forty patients with diagnosis diabetic neuropathy were included into this study. In diabetic polyneuropathic patient group, both medial plantar and medial dorsal cutaneous nerve sensory action potential were not bilaterally obtained in 19 patients (47.5%). Sensitivity and specificity of medial dorsal cutaneous nerve and medial plantar nerve sensory conduction abnormalities in diagnosis of diabetic polyneuropathy were higher compared to sural nerve conduction abnormalities. This study showed that both medial plantar and medial dorsal cutaneous nerve conduction study performed bilaterally was a highly sensitive and specific method in diagnosis of diabetic neuropathy.


Subject(s)
Diabetic Neuropathies/diagnosis , Electrodiagnosis/methods , Neural Conduction/physiology , Peroneal Nerve/physiopathology , Polyneuropathies/diagnosis , Tibial Nerve/physiopathology , Action Potentials/physiology , Adult , Diabetic Neuropathies/physiopathology , Female , Foot/innervation , Foot/physiopathology , Humans , Male , Middle Aged , Neurologic Examination , Polyneuropathies/physiopathology
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