PMID: 616608Jan 1, 1977Paper

Motor neuron disease in Australia (State of New South Wales)

Clinical and Experimental Neurology
J W LanceJ W Duckworth

Abstract

The case histories of 70 patients with typical motor neuron disease (MND) have been analysed to ascertain the natural history of the disease in Australia. The place of birth and residence during life of each patient has been sought to determine whether there is any 'clustering' of patients in the State of New South Wales. The mean age of onset was 55 years and mean duration of life from onset was 3 years 5 months. These figures are comparable with those from the USA and UK and Japan although the onset in Australia was later and the duration longer. The case history of 1 patient who is still living 38 years after the onset of the disease is described as there is no longer survival time recorded in the literature to our knowledge. Attention is drawn to muscle aches and cramps mentioned spontaneously by 27 of the 70 patients. These symptoms occurred at the onset of MND and often correlated with the site of onset of weakness. Weight loss averaged 1.6lb (0.7kg) per month in those patients in whom weight was recorded. The CSF protein was greater than 45mg/100ml, ranging up to 110mg/100ml, in 9 of 37 patients. The place of residence of patients bore no relation to known areas of increased manganese in the soil, and there was no eviden...Continue Reading

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