Neurology
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Case Reports
Neuronal intranuclear hyaline inclusion disease showing motor-sensory and autonomic neuropathy.
Neuronal intranuclear hyaline inclusion disease (NIHID), a rare neurodegenerative disease in which eosinophilic intranuclear inclusions develop mainly in neurons, has not yet been described to present as hereditary motor-sensory and autonomic neuropathy. ⋯ Patients with neuronal intranuclear hyaline inclusion disease (NIHID) can manifest symptoms limited to those of peripheral neuropathy. NIHID therefore is part of the differential diagnosis of hereditary motor-sensory neuropathy associated with autonomic symptoms. Intranuclear hyaline inclusions in Schwann cells and in the myenteric plexus may permit antemortem diagnosis of NIHID.
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The authors investigated whether the amplitude and latency of diaphragm compound muscle action potential helped predict respiratory failure in Guillain-Barré syndrome. Both variables were significantly but weakly correlated with vital capacity (VC) and were similar in unventilated (n = 60) and ventilated (n = 10) patients. In ventilated patients, motor loss severity, progression, and VC reduction were significantly greater, and bulbar dysfunction was more common. Predicting respiratory failure must rely on clinical features and VC.