[A case of anti-IgLON5 disease with recurrent respiratory failure].
[A case of anti-IgLON5 disease with recurrent respiratory failure].
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Original abstract
A 72-year-old woman with a seven-year history of Parkinson's disease, characterized by gait instability, rigidity, and postural instability, was admitted to our department for evaluation of recurrent episodes of hypoxemia and altered consciousness. During hospitalization, she experienced recurrent episodes of respiratory failure, prompting the measurement of anti-IgLON5 antibodies, which were found to be positive, leading to a diagnosis of anti-IgLON5 disease. The respiratory failure could not be attributed to vocal cord paralysis or respiratory muscle weakness, leading to the hypothesis that subglottic laryngeal spasm was the cause. Treatment with steroid pulse therapy resulted in improved ventilation. While several cases of anti-IgLON5 disease presenting with respiratory failure due to respiratory muscle weakness have been reported, this case suggests that subglottic laryngeal spasm may also be an underlying cause of respiratory failure in anti-IgLON5 disease.