What Is Bulbar Dysfunction

What is bulbar palsy.

What is bulbar dysfunction.

Out of the 12 cranial nerves that are present 5 cranial nerves which control movement get affected in bulbar palsy. Pertaining to a bulb. 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. A speech deficit occurs due to paralysis or weakness of the muscles of articulation which are supplied by these cranial nerves.

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. The causes of this are broadly divided into. 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.

Progressive bulbar dysfunction occurs in most forms of ataxia and can lead to difficulty eating and drinking with subsequent weight loss and aspiration choking as well as to alterations in breathing and sleep disturbance. Miller keane encyclopedia and dictionary of medicine nursing and allied health seventh edition. 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.