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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PARKINSON’S DISEASE: WHAT IS IT?

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

Three consequences of this deficiency 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: RECOGNIZING 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 provide evidence of a cyst as the origin of the disease. 

Article drafted under the supervision of Dr. Philippe Boulu, a Paris-based Neurologist and Hospital Practitioner at the Beaujon Hospital. 

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