MND Awareness

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HISTORY

Motor Neurone Disease (MND) was first described in the 1850's by French Neurologists. In 1874 Prof Jean-Martin Charcot called it Amyotrophic Lateral Sclerosis (ALS), its usual name in the USA. There it is also known as 'Lou Gehrig's Disease' named after a pre-war star of the New York Yankees baseball team. Motor Neurone Disease is the term generally used in Europe. Motor Neurones These are the many millions of nerve fibres which go from the cortex (grey matter) of the brain to the muscles in the trunk and limbs. There are two groups (1) Upper motor neurones which start with cell bodies in the cortex and pass down through the brain to the spinal cord and connect with the (2) Lower motor neurones which have their cell bodies in the spinal cord and brain stem and then pass out into the periphery forming nerve fibres going to muscle fibres. The strength and smoothness of movement and the bulk of muscles depend on the integrity of these nerve fibres.


MOTOR NEURONE DISEASE

MND is due to the degeneration of these motor neurones. Degeneration of the upper motor neurones causes both weakness, stiffness and resistance to movement in the muscles with changes in the reflexes which the doctor can elicit. Degeneration of the lower motor neurones causes wasting of muscles, weakness, fasciculations (flickering of small groups of muscle fibres occurring spontaneously) and muscle cramps.

SYMPTOMS

MND presents itself in various ways depending on the particular groups of muscle fibres which degenerate initially, Wasting and weakness of muscles of the hands, sometimes one side first, stiffness in the legs with dragging of one leg or the development of marked weakness in the legs may be the initial symptom. Sometimes the muscles of the tongue and swallowing mechanism are affected early with slurring of speech, difficulty in swallowing and coughing. The disease may remain relatively stationary for some time or may progress to other limbs to the tongue and to the breathing muscles. Death in MND is usually caused by the combined involvement of the swallowing and breathing muscles causing a severe pneumonia. Motor Neurone Disease does not affect the intellect, does not cause bladder or bowel symptoms and does not cause sensory, visual or hearing disorders.


LIFE EXPECTANCY

It varies from I year up to 5 years (or occasionally longer) after onset depending on the activity of the disease and the particular muscle groups that are affected.


WHO GETS MND?

The majority of people with MND are aged 50 years and older but occasionally people in their 20's and 30's develop MND. It is not known why an individual gets MND. There is a male predominance of 2:1. There are rare familial types of the disease.


WHAT CAUSES MND?

This is not known at all. Suggestions as to the cause include: (a) toxin from the environment. (b) trauma. (c) a virus which lies latent within the system for many years. (d) a premature degeneration of these nerve cells caused by some in-born defect in their constitution.


HOW IS IT DIAGNOSED?

Usually it is not difficult for the Neurologist to diagnose MND on the basis of the history and signs. Early signs may cause some initial difficulty. There is no specific laboratory test. Sometimes special tests (scans and myelograms) are necessary to exclude other diseases, Usually electrical tests on muscles and nerves are performed and a lumbar puncture may be done.


TREATMENT OF MND

While research is continuing worldwide, there is at present no treatment which will alter the course of the disease or affect its progression in any way. Treatments given are those which help the person with MND to cope with symptoms and disabilities and may involve drugs to reduce stiffness or resistance to movement. RILUTEK is the only licensed drug, which may help to slow the progression. The involvement of physiotherapists, occupational therapists, speech therapists and the provision of aids at home are all necessary to support the person with MND and the family.




What is Motor Neuron Disease

You become a prisoner in your own body - a crippling disease

MND is something very close to heart for Morne. He will continue to create awareness for this crippling disease through various campaigns and challenges.

Should this touch your heart and you feel that you want to get in contact with a MND patient directly to support them, please click here

MND Awareness