Parkinson's disease: Get informed

Parkinson’s disease is a degenerative, chronic, progressive, neurological disorder, which is associated with slower movements, trembling and muscular rigidity.

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What is Parkinson's disease?

Parkinson’s disease is characterised by a deficiency of dopamine (a very important neurotransmitter in the control of movements) in a structure called the substantia nigra situated in the region behind the cerebrum (midbrain). The cause of the disease is not known, but it is this dopamine deficit that lies at the origin of the symptoms of the disease.

Three consequences of this deficit will appear around five years after the onset of the alteration of these neurons:
 
- Muscular stiffness, known as hypertonia;
- Slowed movements (akinesia);
- Resting tremor.

Due to its progressive nature, patients with Parkinson’s disease require very complex care. The impact of Parkinson’s disease on daily life is very difficult to cope with and to accept.

PARKINSON’S DISEASE: RECOGNISING THE DISEASE

Due to the complexity of the disease and the unforeseeable onset of symptoms, each Parkinson’s disease patient is unique in terms of the signs he or she presents. The progression of Parkinson’s disease is therefore specific to each patient, as it depends on a number of factors (both environmental and response to treatments).
 
The diagnosis of Parkinson’s disease is entirely clinical. A diagnosis is given based on talking to the patient and an examination by a doctor. The patient is asked to walk, his/her limbs are examined to test rigidity, akinesia and tremors at rest, which do not necessarily appear in all sufferers of Parkinson’s disease (around two thirds). It is not necessary to perform an additional radiological examination, with this only being advised in cases where the patient is young or in order to demonstrate a cyst as the origin of the disease. 
 
You can find out more information on the Parkinson's Disease Forum.

Article drafted under the supervision of Dr Philippe Boulu, a Paris-based neurologist and hospital practitioner in Beaujon hospital. 

For further information:

Last updated: 16/08/2018

avatar Carenity Editorial Team

Author: Carenity Editorial Team, Editorial Team

The Carenity Editorial Team is made up of experienced editors and specialists in the healthcare field who aim to provide impartial and high quality information. Our editorial content is proofread, edited and... >> Learn more

Who reviewed it: Philippe Boulu, Neurologist

Doctor Boulu is a neurologist practicing in Paris and a Hospital Practitioner at Beaujon Hospital. He is particularly devoted to the study of the effects of age on the brain and has written a book called "La... >> Learn more

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