Parkinson Disease, Late-Onset (PD)

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Disease Ontology 11 DOID:0060892 DOID:14330 OMIM® 57 168600 OMIM Phenotypic Series 57 PS168600 ICD9CM 34 332 MeSH 43 D010300 NCIt 49 C26845

SNOMED-CT 68 49049000 ICD10 31 G20 MedGen 40 C0030567 C3160718 SNOMED-CT via HPO 69 102943000 103606006 14760008 16046003 192073007 21061000119107 225595004 25082004 252157006 255314001 26079004 288939007 312991009 32798002 34527004 35489007 367326009 399317006 40739000 43127003 52448006 53888004 61751001 7011001 75088002 78667006 80098002 8011004 8614008 more ICD11 33 296066191 296066191/other 296066191/unspecified UMLS 71 C0030567 C3160718

MedlinePlus: ⁴¹ Parkinson's disease (PD) is a type of movement disorder. It happens when nerve cells in the brain don't produce enough of a brain chemical called dopamine. Sometimes it is genetic, but most cases do not seem to run in families. Exposure to chemicals in the environment might play a role. Symptoms begin gradually, often on one side of the body. Later they affect both sides. They include: Trembling of hands, arms, legs, jaw and face Stiffness of the arms, legs and trunk Slowness of movement Poor balance and coordination As symptoms get worse, people with the disease may have trouble walking, talking, or doing simple tasks. They may also have problems such as depression, sleep problems, or trouble chewing, swallowing, or speaking. There is no specific test for PD, so it can be difficult to diagnose. Doctors use a medical history and a neurological examination to diagnose it. PD usually begins around age 60, but it can start earlier. It is more common in men than in women. There is no cure for PD. A variety of medicines sometimes help symptoms dramatically. Surgery and deep brain stimulation (DBS) can help severe cases. With DBS, electrodes are surgically implanted in the brain. They send electrical pulses to stimulate the parts of the brain that control movement. NIH: National Institute of Neurological Disorders and Stroke

MalaCards based summary: Parkinson Disease, Late-Onset, also known as parkinson disease, is related to hereditary late-onset parkinson disease and parkinson disease 3, autosomal dominant, and has symptoms including tremor, constipation and myoclonus. An important gene associated with Parkinson Disease, Late-Onset is MAPT (Microtubule Associated Protein Tau), and among its related pathways/superpathways are Parkinson's disease pathway and Degradation pathway of sphingolipids, including diseases. The drugs Idebenone and Nicotine have been mentioned in the context of this disorder. Affiliated tissues include Brain, and related phenotypes are hallucinations and abnormal autonomic nervous system physiology

MedlinePlus Genetics: ⁴² Parkinson disease is a progressive disorder of the nervous system. The disorder affects several regions of the brain, especially an area called the substantia nigra that controls balance and movement.Often the first symptom of Parkinson disease is trembling or shaking (tremor) of a limb, especially when the body is at rest. Typically, the tremor begins on one side of the body, usually in one hand. Tremors can also affect the arms, legs, feet, and face. Other characteristic symptoms of Parkinson disease include rigidity or stiffness of the limbs and torso, slow movement (bradykinesia) or an inability to move (akinesia), and impaired balance and coordination (postural instability). These symptoms worsen slowly over time.Parkinson disease can also affect emotions and thinking ability (cognition). Some affected individuals develop psychiatric conditions such as depression and visual hallucinations. People with Parkinson disease also have an increased risk of developing dementia, which is a decline in intellectual functions including judgment and memory.Generally, Parkinson disease that begins after age 50 is called late-onset disease. The condition is described as early-onset disease if signs and symptoms begin before age 50. Early-onset cases that begin before age 20 are sometimes referred to as juvenile-onset Parkinson disease.

NINDS: ⁵² Parkinson's disease (PD) belongs to a group of conditions called motor system disorders, which cause unintended or uncontrollable movements of the body.  The precise cause of PD is unknown, but some cases are hereditary while others are thought to occur from a combination of genetics and environmental factors that trigger the disease.  In PD, brain cells become damaged or die in the part of the brain that produces dopamine--a chemical needed to produce smooth, purposeful movement. The four primary symptoms of PD are: tremor--shaking that has a characteristic rhythmic back and forth motion rigidity--muscle stiffness or a resistance to movement, where muscles remain constantly tense and contracted bradykinesia--slowing of spontaneous and automatic movement that can make it difficult to perform simple tasks or rapidly perform routine movements postural instability--impaired balance and changes in posture that can increase the risk of falls. Other symptoms may include difficulty swallowing, chewing, or speaking; emotional changes; urinary problems or constipation; dementia or other cognitive problems; fatigue; and problems sleeping. PD usually affects people around the age of 70 years but can occur earlier.  PD affects men more than women.  Currently there are no specific tests that diagnose sporadic PD.

UniProtKB/Swiss-Prot: ⁷³ A complex neurodegenerative disorder characterized by bradykinesia, resting tremor, muscular rigidity and postural instability. Additional features are characteristic postural abnormalities, dysautonomia, dystonic cramps, and dementia. The pathology of Parkinson disease involves the loss of dopaminergic neurons in the substantia nigra and the presence of Lewy bodies (intraneuronal accumulations of aggregated proteins), in surviving neurons in various areas of the brain. The disease is progressive and usually manifests after the age of 50 years, although early-onset cases (before 50 years) are known. The majority of the cases are sporadic suggesting a multifactorial etiology based on environmental and genetic factors. However, some patients present with a positive family history for the disease. Familial forms of the disease usually begin at earlier ages and are associated with atypical clinical features.

PubMed Health : ⁶³ Parkinson's: Parkinson's is a disease of the nervous system that mostly affects older people. It typically begins after the age of 50. The disease can be very hard to live with because it severely restricts mobility and as a result makes daily activities increasingly difficult. Parkinson's is a progressive disease, which means that in most cases it will continue to gradually get worse. Many people who develop Parkinson’s will require nursing care. There is no cure for the disease and its exact cause is not known, but there are effective treatments that can relieve the symptoms.

OMIM®: ⁵⁷ Parkinson disease was first described by James Parkinson in 1817. It is the second most common neurodegenerative disorder after Alzheimer disease (AD; 104300), affecting approximately 1% of the population over age 50 (Polymeropoulos et al., 1996). (168600) (Updated 08-Dec-2022)

Disease Ontology ¹¹ Late onset parkinson's disease: A Parkinson's disease characterized by onset of motor symptoms typically after 60 years of age.

Parkinson's disease: A synucleinopathy that has material basis in degeneration of the central nervous system that often impairs motor skills, speech, and other functions.

Wikipedia: ⁷⁵ Parkinson's disease (PD), or simply Parkinson's, is a long-term degenerative disorder of the central... more...

GeneReviews: NBK1223

Clinical features from OMIM®:

168600 (Updated 08-Dec-2022)

Parkinson 's is usually treated with medication. At the beginning of the disease – when the symptoms are not problematic – treatment is sometimes not necessary. If the symptoms get worse, medication can help. Treatment with medication generally aims to replace the lacking dopamine . That often relieves symptoms, but does not slow the progress of the disease. Because over time the drugs are no longer effective, the type and dose of medication has to be adjusted again and again. One option is to use a medication pump. It provides the drug either under the skin or directly into the small intestine and ensures a constant supply. Occupational therapy is used to practice everyday movements and activities. Restricted movement means that the muscles lose strength. Movement exercises (physiotherapy ) and sports aim to help counteract that and improve movement and coordination. Speech therapy can be an option if the voice becomes quieter and speech less clear. Deep brain stimulation is recommended to some people whose symptoms are not relieved enough by taking medication. That involves surgery to implant electrodes in certain parts of the brain. They continuously emit electrical impulses that influence muscle activity.

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