What Is Bulbar Dysfunction

A speech deficit occurs due to paralysis or weakness of the muscles of articulation which are supplied by these cranial nerves.

What is bulbar dysfunction.

Bulbar dysfunction resulting from corticobulbar pathway or brainstem neuron degeneration is one of the most important clinical problems encountered in motor neuron disease mnd and contributes to various respiratory complications which are major causes of morbidity and mortality. Bulbar palsy also known as progressive bulbar palsy is a pathological condition in which the nerve cells which are responsible for movement get affected. In multiple system atrophy the terminal event may be a cessation of breathing during sleep due to increasing stridor. Miller keane encyclopedia and dictionary of medicine nursing and allied health seventh edition.

The causes of this are broadly divided into. Myopathic specific mg connective tissue disorders myotonic dystrophy or non specific neurological syndromes effecting bulbar function neurological cva head injury gbs drug induced anticholinergic neuroleptic chemotherapy anti histamines infectious mucositis candida. Bulbar palsy is the result of diseases affecting the lower cranial nerves vii xii. Pertaining to or involving the medulla oblongata such as bulbar paralysis.

What is bulbar palsy. Pertaining to a bulb. Bulbar palsy refers to a range of different signs and symptoms linked to impairment of function of the cranial nerves ix x xi xii which occurs due to a lower motor neuron lesion in the medulla oblongata or from lesions of the lower cranial nerves outside the brainstem.