Saturday, August 6, 2022

What Happens If Parkinson’s Goes Untreated

Theory Of Pd Progression: Braaks Hypothesis

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The current theory is that the earliest signs of Parkinson’s are found in the enteric nervous system, the medulla and the olfactory bulb, which controls sense of smell. Under this theory, Parkinson’s only progresses to the substantia nigra and cortex over time.

This theory is increasingly borne out by evidence that non-motor symptoms, such as a loss of sense of smell , sleep disorders and constipation may precede the motor features of the disease by several years. For this reason, researchers are increasingly focused on these non-motor symptoms to detect PD as early as possible and to look for ways to stop its progression.

Page reviewed by Dr. Ryan Barmore, Movement Disorders Fellow at the University of Florida, a Parkinsons Foundation Center of Excellence.

Parkinsons Disease Is A Progressive Disorder

Parkinsons Disease is a progressive neurodegenerative disorder that primarily affects movement and, in some cases, cognition. Individuals with PD may have a slightly shorter life span compared to healthy individuals of the same age group. According to the Michael J. Fox Foundation for Parkinsons Research, patients usually begin developing Parkinsons symptoms around age 60 and many live between 10 and 20 years after being diagnosed. However, a patients age and general health status at onset factor into the accuracy of this estimate. Age is the greatest risk factor for this condition, but young-onset Parkinsons disease, which affects people before age 50, accounts for between 10 and 20 percent of PD cases.

While there is no cure for Parkinsons disease, many patients are only mildly affected and need no treatment for several years after their initial diagnosis. However, PD is both chronic, meaning it persists over a long period of time, and progressive, meaning its symptoms grow worse over time. This progression occurs more quickly in some people than in others.

Pharmaceuticals and surgical interventions can help manage some of the symptoms, like bradykinesia , rigidity or tremor , but not much can be done to slow the overall progression of the disease. Over time, shaking, which affects most PD patients, may begin to interfere with activities of daily living and ones quality of life.

First Hints Parkinson’s Can Be Stopped

Health and science reporter, BBC News website

It may be possible to stop the progression of Parkinson’s disease with a drug normally used in type 2 diabetes, a clinical trial suggests.

Current drugs help manage the symptoms, but do not prevent brain cells dying.

The trial on 62 patients, published in the Lancet, hints the medicine halted the progression of the disease.

The University College London team is “excited”, but it urges caution as any long-term benefit is uncertain and the drug needs more testing.

“There’s absolutely no doubt the most important unmet need in Parkinson’s is a drug to slow down disease progression, it’s unarguable,” Prof Tom Foltynie, one of the researchers, told the BBC.

In Parkinson’s, the brain is progressively damaged and the cells that produce the hormone dopamine are lost.

It leads to a tremor, difficulty moving and eventually memory problems.

Therapies help manage symptoms by boosting dopamine levels, but the death of the brain continues and the disease gets worse.

No drug stops that happening.

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What Are Some Tmd And Bruxism Treatment Options

Untreated TMD and bruxism can cause pain and damage your smile. They can make everyday functions like talking and chewing harder and interfere with your ability to get a good night’s sleep.

Choosing an effective treatment as soon as possible can help you avoid pain and limit the damage. Fortunately, asCedars Sinai makes clear, there are several options:

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Sleep Disorders In Untreated Pd

The most frequent sleep disorders in PD are insomnia, excessive daytime sleepiness, RLS, and RBD.

The causes of sleep disturbances are multifactorial, but damage to several brainstem nuclei that are directly involved in the regulation of sleeping mechanisms, which are affected in very early premotor stages of PD,, is probably significant. Nigrostriatal dopaminergic degeneration could also play a role in the pathogenesis of RBD but not essential for its development. Abnormalities in primary sleep-regulating centers, some NMS have secondary effect on the quality of sleep, such as nocturia, RLS, and narcoleptic pattern of rapid onset of sleep, which are also important causes of sleep-related morbidity in PD., As causative factors, besides the neurodegenerative processes within sleep regulatory brain circuitries, DRT and concomitant medications as well as comorbidities or other NMS are proposed. Sleep-related problems are also reported to increase the risk of development of PD in the later life similarly to anxiety disorders and depression,, or RLS, and because they usually precede the classic motor abnormalities of PD by many years, they should be clinically evaluated as a potential marker for PD before its onset., Similarly, sleep dysfunctions occur in untreated PD as well., These facts suggest that the condition is likely to be related to the underlying dopaminergic deficit rather than the effect of dopaminergic treatment, which seems to be only an aggravating component.

What Happens To The Brain Over Time When Depression Goes Untreated

We all have our dark days, but depression isnt about being frustrated with minor setbacks that may occur when you dont get your way. Symptoms of major depressive disorder significantly interfere with everyday activities, work and personal lives.

According to the Depression and Bipolar Support Alliance, approximately 14.8 million American adults, or 6.7 percent of the United States population over age 18, are affected by MDD every year. Depression can last anywhere from a few days to a few years, but longer-lasting and intense forms of depression may display five or more of the following symptoms at least once a day over the course of two weeks:

  • Feelings of sadness, emptiness, hopelessness
  • Lack of interest in things and activities you once enjoyed
  • Sleeping too much/too little
  • Thoughts of suicide or attempts of suicide
  • Excessive feelings of guilt or worthlessness

Three parts of the brain that appear to play a role in MDD are the hippocampus , amygdala , and prefrontal cortex . Here are the following long-term effects on the brain when MDD goes untreated.

Memory problemsDuring normal times of physical and mental stress, the body releases cortisol, which works with your brain to control your mood, motivation, and fear. In depression, excessive amounts of cortisol are released and the long-term exposure to these levels can slow the production of new neurons, causing the hippocampus to shrink. As a result, memories are blurred, and at times altered.

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What Are The Final Stages Of Parkinsons Disease

Quality of life declines rapidly in the final stages of Parkinsons disease. In addition to advanced motor symptoms, you may also begin experiencing greater speaking and memory issues, such as Parkinsons disease dementia. Incontinence issues become more common, and frequent infections may require hospital care.

Why Do Parkinsons Patients Lose Weight

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Several causes may induce weight loss. Weight loss is a non-specific symptom and could be a sign of a wide variety of medical problems, including cancer. Therefore, acute weight loss is an entity that a physician should examine to identify its cause.

Suppose the patient suffers from Parkinsons disease, and the physician does not find any other possible cause. In that case, the weight loss shall be attributed to Parkinsons.

Among PD patients, many possible causes may lead to weight loss. The reasons vary from people to people, but each one can contribute to developing weight loss. People with Parkinsons disease have a decrease in appetite, and it has various possible causes.

  • The alteration, in the sense of smell, disables them from tasting food and reducing the amount of food.
  • Apathy and depression
  • Nausea due to medications

Asides from the appetite loss, other possible causes go along with the motor symptoms of the disease. These motor symptoms may induce an increase in energy expenditure.

  • Dyskinesias are pointless and involuntary movements that can be a side effect of the treatment with levodopa.
  • Essential tremor, resting tremor, and as well as muscle stiffness can be causes of excessive energy consumption and subsequent weight loss.

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What Is Parkinsons Disease

Parkinson disease is one of the most commonneurodegenerative disorders causing progressive disability. It is a disease without a cure, but that can slow down with proper treatment.

The disease predominantly affects the basal ganglia, a group of nuclei at the base of the brain, and the substantia nigra. Nerve cells in the substantia nigra produce the neurotransmitter dopamine. They are responsible for relaying messages that plan and control body movement.

Furthermore, body movement is controlled by a complex chain of decisions involving many groups of nerve cells. These are the ganglia. Information comes to the striatum, a central area of the brain that works with the substantia nigra to send impulses back and forth from the spinal cord to the brain.

When dopamine receptors in the striatum receive an inadequate stimulus, parts of the basal ganglia are under or over-stimulated. Depending on the stimulation, this can cause movement symptoms like tremor or rigidity.

In Parkinsons disease patients, the nerve cells that produce dopamine are dying. Parkinsons disease symptoms occur when the nerve cells emit an impulse, and there is not enough dopamine to transmit it.

The 2 significant body findings in Parkinsons disease are the loss of pigmented dopaminergic nerve cells of the substantia nigra and the presence of Lewy bodies in the brain. Before the movement or motor signs of Parkinson disease emerge, approximately 60-80% of dopaminergic neurons are already lost.

What Is Parkinson’s Disease

Parkinson’s disease is the second most common neurodegenerative disorder and the most common movement disorder. Characteristics of Parkinsons disease are progressive loss of muscle control, which leads to trembling of the limbs and head while at rest, stiffness, slowness, and impaired balance. As symptoms worsen, it may become difficult to walk, talk, and complete simple tasks.

The progression of Parkinson’s disease and the degree of impairment varies from person to person. Many people with Parkinson’s disease live long productive lives, whereas others become disabled much more quickly. Complications of Parkinsons such as falling-related injuries or pneumonia. However, studies of patent populations with and without Parkinsons Disease suggest the life expectancy for people with the disease is about the same as the general population.

Most people who develop Parkinson’s disease are 60 years of age or older. Since overall life expectancy is rising, the number of individuals with Parkinson’s disease will increase in the future. Adult-onset Parkinson’s disease is most common, but early-onset Parkinson’s disease , and juvenile-onset Parkinson’s disease can occur.

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    Causes Of Parkinson’s Disease

    Parkinson’s disease is caused by a loss of nerve cells in part of the brain called the substantia nigra. This leads to a reduction in a chemical called dopamine in the brain.

    Dopamine plays a vital role in regulating the movement of the body. A reduction in dopamine is responsible for many of the symptoms of Parkinson’s disease.

    Exactly what causes the loss of nerve cells is unclear. Most experts think that a combination of genetic and environmental factors is responsible.

    How Quickly Does Parkinsons Progress

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    Parkinsons disease is slowly progressive, and each case may be different. People may have symptoms for a year or two before a doctor makes a diagnosis.

    The longer the symptoms are present, the easier it is to predict how a person with Parkinsons disease will do. In those with tremors and symptoms on one side of the body, the disease typically advances more slowly than in those without tremors who have symptoms that affect both sides of the body.

    While the life expectancy of these patients reduces, people with Parkinsons disease usually function quite well for many years. However, these patients are at risk of suffering dementia, or from developing instability that could lead to falls.

    This condition is by far the most treatable of all neurodegenerative disorders. A doctor may indicate treatment to help control symptoms.

    For example, there are cases where people can function better in their daily lives five years later after they start medication.

    The treatment includes exercise and changes in lifestyle. As well as medication with carbidopa-levodopa or dopamine agonists to improve body functionality.

    There are surgical options as well, like deep brain stimulation, surgeons implant electrodes in the brain, and they receive electrical pulses, which reduces symptoms.

    However, symptoms and responses to treatment vary from person to person, so it is not possible to accurately predict how Parkinsons disease will progress.

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    Do All Parkinsons Patients Develop Dementia

    Although dementia is a hallmark of Alzheimers disease, dementia may occur in Parkinsons disease affecting approximately 70% of the patients.

    Dementia describes a set of symptoms that cause is a significant loss in brain function. It produces a greater impact on patients on patients with Parkinsons than in Alzheimers patients as they have to deal with motor and cognitive impairment.

    Alzheimers affect memory and language in general terms. Still, in Parkinsons, it affects problem-solving capacity, speed of thinking, memory, and they run with mild cognitive impairment.

    Notably, Parkinsons disease dementia is a common thing among patients with this condition. The vast majority of them may experience some form of cognitive impairment over time.

    Though it is a unique process for each person, several risk factors may lead to dementia symptoms and dementia itself.

    • Increasing age.
    • Exposure to psychological stress
    • Low education level and low socioeconomic status

    Disease duration has as well a direct correlation with the development of dementia on these patients. The more time the patient has this disease, the risk of developing dementia increases.

    Also, Parkinsons dementia has a direct correlation with Lewy bodies. Most people develop dementia as a progression of the disease rather than having Parkinsons and Alzheimers. Nonetheless, a doctor with a neurology specialist should examine the patient to give an assertive diagnosis to the condition.

    What Are The Surgical Treatments For Parkinsons Disease

    Most patients with Parkinsons disease can maintain a good quality of life with medications. However, as the disease worsens, medications may no longer be effective in some patients. In these patients, the effectiveness of medications becomes unpredictable reducing symptoms during on periods and no longer controlling symptoms during off periods, which usually occur when the medication is wearing off and just before the next dose is to be taken. Sometimes these variations can be managed with changes in medications. However, sometimes they cant. Based on the type and severity of your symptoms, the failure of adjustments in your medications, the decline in your quality of life and your overall health, your doctor may discuss some of the available surgical options.

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    Join The Parkinsons Forums: An Online Community For People With Parkinsons Disease And Their Caregivers

    A total of 552 patients had at least one Parkinsons non-motor symptom, with 74% reporting sleep disorder or fatigue and 62.7% attention or memory impairments. The rarest manifestation was perceptual problems or hallucinations, which affected 3.7% of patients.

    Men showed a higher incidence of urinary and sexual dysfunction, and a significantly lower incidence of sleep issues or fatigue, mood changes or apathy, and attention or memory impairments than women.

    The team also found that patients with late-onset disease had a significantly higher incidence of perceptual problems or hallucinations, attention or memory deficits, as well as gastrointestinal, urinary, and sexual dysfunctions than early-onset Parkinsons patients.

    Overall, patients who were depressed and those who had worse non-motor symptoms, in particular sleep problems or fatigue, mood alterations or apathy, attention or memory impairments, or gastrointestinal symptoms, were found to have a poorer quality of life.

    Our study suggests that NMS is common in drug-naïve PD patients, the researchers wrote.

    NMS, especially sleep/ fatigue, mood/apathy, attention/memory, and gastrointestinal symptoms, are dramatic determinants on decreased QoL in PD patients, they added. Management of non-motor symptoms is of great importance to improve the quality of life of early stage Parkinsons disease patients.

    Does Parkinsons Run In Families

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    Genetics cause about 10% to 15% of all Parkinsons cases. Studies reveal that the appearance of Parkinsons disease is a mix of genetics and environmental factors that induce the development of the disease.

    In some families, changes in specific genes are passed down from generation to generation. Yes, Parkinsons disease can run in families, but it is rare. Despite that, if someone is positive for gene mutations directly correlated to Parkinsons disease, that does not mean that the patient will surely develop Parkinsons.

    It is possible for people who inherit these genes not to develop the disease if there is no environmental factor that triggers it and a healthy lifestyle.

    There are ongoing clinical trials testing therapies to treat people with Parkinsons that carry specific gene mutations. For doctors, it is essential to know which gene mutation does the patient carries.

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    What Causes Parkinson’s Disease

    A substance called dopamine acts as a messenger between two brain areas – the substantia nigra and the corpus striatum – to produce smooth, controlled movements. Most of the movement-related symptoms of Parkinson’s disease are caused by a lack of dopamine due to the loss of dopamine-producing cells in the substantia nigra. When the amount of dopamine is too low, communication between the substantia nigra and corpus striatum becomes ineffective, and movement becomes impaired the greater the loss of dopamine, the worse the movement-related symptoms. Other cells in the brain also degenerate to some degree and may contribute to non-movement-related symptoms of Parkinson’s disease.

    Although it is well known that lack of dopamine causes the motor symptoms of Parkinson’s disease, it is not clear why the dopamine-producing brain cells deteriorate.

    • Genetic and pathological studies have revealed that various dysfunctional cellular processes, inflammation, and stress can all contribute to cell damage.
    • In addition, abnormal clumps called Lewy bodies, which contain the protein alpha-synuclein, are found in many brain cells of individuals with Parkinson’s disease. The function of these clumps in regards to Parkinson’s disease is not understood.

    In general, scientists suspect that dopamine loss is due to a combination of genetic and environmental factors.

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