Parkinson’s disease prognosis

When dopamine in the brain gradually deteriorates it triggers the symptoms of Parkinson’s disease. The symptoms start to show up when the brain suffers a loss of 8% dopaminergic neurons. There has been no treatment or cure discovered so far to stop the advancement of Parkinson’s disease. However, symptoms of PD such as tremors, depression, rigidity and Parkinson’s dementia can be improved using a wide range of medications and therapies.

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The symptoms in patients having PD vary widely, and all of them will not experience the same symptoms associated with PD. For example, 30% of the patient will not face the symptoms of tremor, and in several instances the symptoms can be so slight that it remains hidden for many years. On the other hand, the progression rates and symptom severity often vary from patients who have been once diagnosed.

Early Symptoms of PD
The early symptom for PD includes rigidity in the shoulders, fingers and limbs, stiffness in muscles, and slight tremors in the limbs, hands and face. It has been seen that the disease appears first on one side, but slowly progress to either sides. In most of the cases, the symptoms spread over a few years and increases in severity.

PD Symptoms Onset
The symptoms of PD rarely show up in people below 55 years of age. Five out of ten people below the age mark of 50 years are affected with this disease. The spread of the disease is faster among the young age groups.

Main Symptoms of PD

Some of the main symptoms of PD are given below:

  • Trembling and tremors of the face, hands, jaw, legs and arms unwillingly
  • The limbs, neck and torso undergoes stiffness and rigidity
  • Motor movements comes to a slow pace
  • Lack of co-ordination, poor balance, postural instability, problems with walking, talking and turning, difficulty initiating movements and poor manual dexterity involving simple tasks.

Parkinson’s Dementia

Almost 30% of the PD patient develops dementia. The symptoms come very slowly within a period of up to 15 years, following the diagnosis of PD. The reason for Parkinson’s Dementia is because of the dying of the specialized brain cells known as neurotransmitters. The brain consists of two hemispheres; the body’s left side is controlled by the right hemisphere, and vice versa. The two hemispheres are simultaneously affected as a whole by dementia. The hemispheres are further partitioned into lobes each of which controls different functions. When the lobes are affected, they start to show symptoms. The different types of lobes affect are:

Frontal lobes: These lobes are responsible for speech, movement, emotions and intelligent thinking. They are also most commonly affected by dementia. The symptoms might include instability of emotions, problem in thinking and difficulty in speaking.

Temporal lobes: This one is situated just behind the frontal lobes and is in charge of memory response and smell and sound processing. Once they are affected, there is high risk of memory loss. The patient may also fail to attain new information.

Occipital lobes: This lobes process virtual information but they are not affected by dementia.
Parietal lobes: When dementia affects these lobes, it creates problems in understanding speech and following directions.

Parkinson’s disease does not cause death to people, but instead the complications involving with this disease can be severe to kill a human. The death risk is increase when the patient undergoes mental and health problem for several years.

Last updated on Sep 1st, 2010 and filed under Neurological Disorders. Both comments and pings are currently closed.

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