PARKINSON'S DISEASE
Parkinson also known as idiopathic Parkinson basically targets dopamine in brain nerve cells specially in mid brain and substantia nigra causes cell death. In Parkinson disorder levels of dopamine are decreased in brain. In early stage of Parkinson signs are very oblivious which includes tremors (shaking of hands), muscle rigidity and slowness of movement.
Treatment can relief the symptoms but do not cure the disease.
CLASSIFICATION:
1. IDIOPATHIC PARKINSON'S DISEASE:
In this type no particular cause is determined but it is most prevalent form of Parkinson. It is chronic and characterized by tremors and degeneration of brain cells. Progress of this type varies from person to person. Early diagnosis is beneficial for the treatment of this type.
2. VASCULAR PARKINSONISM:
Is atypical form of Parkinson and it is mostly caused by diabetes and hypertension or patients suffering from these 2 disorders are at high risk to suffer from this type of Parkinson. Major symptoms difficulty in speaking and confused thoughts.
3. DRUG-INDUCED PARKINSONISM:
It is rare type and chances of occurrence is 7%
Drugs mainly neuroleptic drugs - used to treat schizophrenia and other psychotic disorders block dopamine hence decreasing the levels of dopamine in brain. These drugs are the biggest cause of drug-induced Parkinsonism.
The symptoms of drug-induced Parkinsonism are very difficult to identify
4. DEMENTIA WITH LEWY BODIES:
Dementia with Lewy bodies is similar,
Parkinson 's disease is a progressive neurologic degenerative disease of the Central Nervous system. The brain produces Dopamine and Norepinephrine, which are chemicals needed for smooth muscle movement and coordination, heart rate, and blood pressure. Dopamine and Norepinephrine are released by basal ganglions that are produced in a bundle of nerve cells in the brainstem called substantia nigra. In Parkinson 's patients, the substantia nigra are destroyed and neither of the chemicals can be released into the body. (3) The decrease in Norepinephrine causes heart arrhythmia and low blood pressure, causing the person to get dizzy upon standing or tire easily. The lack of Dopamine, the smooth muscle movement and coordination controller is now gone, or significantly decreased, resulting in the first signs of Parkinson’s disease, pill-rolling, a one handed tremor and a decreased appetite. (2)
Parkinson’s disease is a “neurodegenerative disorder of the basal nuclei due to insufficient secretion of the neurotransmitter dopamine” (Marieb & Hoehn, 2013, p. G-17). The cause of Parkinson’s disease is unknown, but many factors play a role in the development of Parkinson’s disease. One factor that has been found in an individual who has Parkinson’s disease causes over activity of targeted dopamine-deprived basal nuclei. This over activity is caused by the breakdown of neurons that release dopamine in the substantia nigra (Marieb & Hoehn, 2013). Another factor that is present in a person who has Parkinson’s disease, is the presence of lewy bodies in the brain stem ("What is lbd?," 2014). Lewy bodies are unusual
Parkinson disease (PD), also referred to as Parkinson’s disease and paralysis agitans, is a progressive neurodegenerative disease that is the third most common neurologic disorder of older adults. It is a debilitating disease affecting motor ability and is characterized by four cardinal symptoms: tremor rigidity, bradykinesia or kinesis (slow movement/no movement), and postural instability. Most people have primary, or idiopathic, disease. A few patients have secondary parkinsonian symptoms from conditions such as brain tumors and certain anti-psychotic drugs.
Parkinson’s disease is caused by the destruction of dopamine-producing nerve cells in the midbrain (Substantia nigra). These nerve cells are used to coordinate smooth and regular body movement. In the absence of these cells, people often experience tremors (involuntary shaking or
Parkinson’s disease “is described as a common disorder of the brain caused by a progressive deterioration of the areas that produce the neurotransmitter dopamine” (Fischer, 1999). It affects the nervous system, more specifically it affects the nerve cells in your brain that secrete dopamine. Dopamine is a chemical that is responsible for the movement and coordination of the musculoskeletal system.
Parkinson’s is a progressive neurodegenerative disease, primarily affecting voluntary, precise, and controlled movement. Parkinson’s occurs when cells in a part of the brain called the substantia nigra die off. These cells are responsible for producing dopamine. With less and less dopamine, a person has less and less ability to regulate their movements, body and emotions. The terms "familial Parkinson's disease" and "sporadic Parkinson's disease" are used to differentiate genetic from truly idiopathic forms of the disease.
Parkinson’s disease is a disorder that progresses over time. It affects your movement through your nervous system; the disorder causes stiffness, and slow movement in your body. Most noticeably started in little “tremors” in your hands it gradually increases over time. Early stages consists little expression in your face or no movement in your arms as you walk. Your speech may also slur, or slow down. Symptoms usually worsen over time.
It is neurological.According to the study of best neurologist in NYC; Parkinson’s outcomes from a chemical imbalance inside the basal ganglia, a structure inside the brainstem. Neurons in that locale that are in charge of making the substance dopamine, which sends signs to start development, are murdered. The
Dopamine is a brain chemical/Neurotransmitter that work as messenger signal between the Substantia Nigra to the next relay station of the brain, the corpus striatum which helps to produce smooth coordinate movement and also plays a major role to help control muscle’s movement. With Parkinson’s disease, the brain cells that produce dopamine slowly die, which lead to decrease production of Dopamine. The loss of dopamine causes abnormal nerve firing with brain and the cells that control muscle’s movement by sending the messages to the muscles; due to this it becomes really hard to control muscles movement and cause tremors and various other symptoms such as rigidity and difficulty walking and performing daily tasks. Dopamine is not the only neurotransmitter involved in Parkinson’s Disease. Norepinephrine is very relatively close to dopamine and is also involved in Parkinson’s Disease. Individuals with Parkinson’s Disease have loss of nerve ending that produce norepinephrine. Norepinephrine is a major neurotransmitter for sympathetic nervous system, which control many autonomic functions of our body; it causes increase in blood pressure and heart rate. Loss of norepinephrine can help us explain the non-motor symptoms associated with Parkinson’s Disease such as fatigue, decrease in gastric stability and disruption in cognition. Parkinson’s Disease can be hereditary
First and foremost, symptoms of Parkinson’s disease is divided among three categorizes. The first being, cardinal signs which includes the following symptoms: slow movement, rest tremor, stiff or inflexible muscles and postural instability. The next known as motor symptoms, consist of the following: hypomimia, slurred or slow speech, difficulty swallowing, sialorrhoe, and general slowness in movement. Lastly non-motor symptoms include: autonomic dysfunction, sleeping disorder, depression, dementia, and cognitive abnormalities Additionally, these symptoms do not arise all at once. Each symptoms arises periodically. Dopaminergic cells
Parkinson’s disease is affected by the degeneration of dopaminergic neurons which is responsible to produce dopamine. Dopaminergic neurons have their cell bodies in substantia nigra pars compacta (SNpc) in basal ganglia (O’Sullivan and Schmitz, 2007). Basal ganglia are a collection of interconnected gray matter nuclear masses deep within the brain”. These gray matter masses are caudate, putamen, globus pallidus, subthalamic nucleus and the substantia nigra. Basal ganglia receive its input through striatum (O’Sullivan and Schmitz, 2007).
Parkinson’s Disease is a very common disorder these days. Over 10 million people live daily with Parkinson worldwide. Parkinson’s Disease was named after an English surgeon James Parkinson who wrote a detailed description essay called Shaking Palsy in 1817. The average age for Parkinson’s Disease is between 45 to 70 years old but you can also have juvenile or young onset as well. Most common symptoms of Parkinson are tremors, bradykinesia or akinesia, or rigidity or stiffness, and balance disorder. Parkinson’s Disease doesn’t have a cure and the cause is unknown it could be a number of things genetics, environmental triggers, age, or gender. Parkinson’s Disease happens because the dopaminergic neuron dies and
Parkinson disease arises from loss or lack of certain nerve cells (neurons) in part of the brine it's called the substantia nigra, and that lead to loss of neurons that produce a chemical messenger in your brain called dopamine it causes abnormal brain activity.
Parkinson's disease is a disease that can very person to person. Some symtoms that can accur are tremor, slowed movements, ridgid muscles, impaired posture and balance, Loss of automatic movements, and speach and writting changes.
Parkinson disease (PD) is a progressive neurodegenerative disorder characterized mainly by physical and psychological disabilities. This disorder was named after James Parkinson, an English physician who first described it as shaking palsy in 1817 (Goetz, Factr, and Weiner, 2002). Jean- Martin Charcot, who was a French neurologist, then progressed and further refined the description of the disease and identified other clinical features of PD (Goetz, Factr, and Weiner, 2002). PD involves the loss of cells that produce the neurotransmitter dopamine in a part of the brain stem called the substansia nigra, which results in several signs and symptoms (Byrd, Marks, and Starr, 2000). It is manifested clinically by tremor,