G Goizueta-San-Martín, O Pérez-Moro, MF Diez-Ramos, M Fernández-Cuadros, A Gálvez-Rabadán and R Llopis-Miró
Background: The objective of this review was to evaluate the clinical and electrophysiological findings of eight obese patients following a weight loss of more than 25 kg through diet, bariatric surgery or anorexia nervosa, coming out with peripheral nerves compression signs and symptoms.
Methods: Eight patients were studied; seven of them had walking difficulty, detecting clinical evidence of common fibular nerve injury, and another one shows unilateral ulnar nerve injury. Neurophysiological study was performed: Electromyogram (EMG). Electroneurogram (ENG): Motor and sensory conduction. Late F responses and H reflex.
Results: The common fibular nerve compression (seven patients) and ulnar compression (one patient) was confirmed by appropriate electrophysiological procedures. Widespread pathology is rejected.
Conclusion: In the peripheral nerve compression pathology there are multiple factors to consider and many neurophysiological procedures available to diagnose it. Excessive weight loss is an exceptional cause but it is essential to think about it as diagnostic, and the correct treatment will avoid an unnecessary surgical decompression.
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