User:Mr. Ibrahem/Parkinson's disease


Parkinson's disease
Other namesParkinson disease, idiopathic or primary parkinsonism, hypokinetic rigid syndrome, paralysis agitans, shaking palsy
Two sketches (one from the front and one from the right side) of a man, with an expressionless face. He is stooped forward and is presumably having difficulty walking.
Illustration of Parkinson's disease by William Richard Gowers, first published in A Manual of Diseases of the Nervous System (1886)
SpecialtyNeurology
SymptomsShaking, rigidity, slowness of movement, difficulty walking[1]
ComplicationsDementia, depression, anxiety[2]
Usual onsetAge over 60[1][3]
CausesUnknown[4]
Risk factorsPesticide exposure, head injuries[4]
Diagnostic methodBased on symptoms[1]
Differential diagnosisDementia with Lewy bodies, progressive supranuclear palsy, essential tremor, antipsychotic use[5]
TreatmentMedications, surgery[1]
MedicationL-DOPA, dopamine agonists[2]
PrognosisLife expectancy ~ 15 years[medical citation needed][6]
Frequency6.2 million (2015)[7]
Deaths117,400 (2015)[8]

Parkinson's disease (PD), or simply Parkinson's, is a long-term degenerative disorder of the central nervous system that mainly affects the motor system.[1] As the disease worsens, non-motor symptoms become more common.[1][4] The symptoms usually emerge slowly.[1] Early in the disease, the most obvious symptoms are shaking, rigidity, slowness of movement, and difficulty with walking.[1] Thinking and behavioral problems may also occur.[2] Dementia becomes common in the advanced stages of the disease.[2] Depression and anxiety are also common, occurring in more than a third of people with PD.[2] Other symptoms include sensory, sleep, and emotional problems.[1][2] The main motor symptoms are collectively called "parkinsonism", or a "parkinsonian syndrome".[4][9]

The cause of Parkinson's disease is unknown, but is believed to involve both genetic and environmental factors.[4] Those with a family member affected are more likely to get the disease themselves.[4] There is also an increased risk in people exposed to certain pesticides and among those who have had prior head injuries, while there is a reduced risk in tobacco smokers and those who drink coffee or tea.[4][10] The motor symptoms of the disease result from the death of cells in the substantia nigra, a region of the midbrain.[1] This results in not enough dopamine in this region of the brain.[1] The cause of this cell death is poorly understood, but it involves the build-up of proteins into Lewy bodies in the neurons.[4] Diagnosis of typical cases is mainly based on symptoms, with tests such as neuroimaging used to rule out other diseases.[1]

There is no cure for Parkinson's disease.[1] Treatment aims to improve the symptoms.[1][11] Initial treatment is typically with the antiparkinson medication levodopa (L-DOPA), followed by dopamine agonists when levodopa becomes less effective.[2] As the disease progresses and neurons continue to be lost, these medications become less effective, while at the same time producing a complication marked by involuntary writhing movements.[2] Diet and some forms of rehabilitation have shown some effectiveness at improving symptoms.[12][13] Surgery to place microelectrodes for deep brain stimulation has been used to reduce motor symptoms in severe cases where drugs are ineffective.[1] Evidence for treatments for the non-movement-related symptoms of PD, such as sleep disturbances and emotional problems, is less strong.[4]

In 2015, PD affected 6.2 million people and resulted in about 117,400 deaths globally.[7][8] Parkinson's disease typically occurs in people over the age of 60, of whom about one percent are affected.[1][3] Males are more often affected than females at a ratio of around 3:2.[4] When it is seen in people before the age of 50, it is called early-onset PD.[14] The average life expectancy following diagnosis is between 7 and 15 years.[2][6] The disease is named after the English doctor James Parkinson, who published the first detailed description in An Essay on the Shaking Palsy, in 1817.[15][16] Public awareness campaigns include World Parkinson's Day (on the birthday of James Parkinson, 11 April) and the use of a red tulip as the symbol of the disease.[17] People with Parkinson's who have increased the public's awareness of the condition includes boxing legend Muhammad Ali, actor Michael J. Fox, Olympic cyclist Davis Phinney, and actor Alan Alda.[18][19][20][21]

References edit

  1. ^ a b c d e f g h i j k l m n o p "Parkinson's Disease Information Page". NINDS. 30 June 2016. Archived from the original on 4 January 2017. Retrieved 18 July 2016.
  2. ^ a b c d e f g h i Sveinbjornsdottir S (October 2016). "The clinical symptoms of Parkinson's disease". Journal of Neurochemistry. 139 Suppl 1: 318–324. doi:10.1111/jnc.13691. PMID 27401947.
  3. ^ a b Carroll WM (2016). International Neurology. John Wiley & Sons. p. 188. ISBN 9781118777367. Archived from the original on 8 September 2017.
  4. ^ a b c d e f g h i j Kalia LV, Lang AE (August 2015). "Parkinson's disease". Lancet. 386 (9996): 896–912. doi:10.1016/s0140-6736(14)61393-3. PMID 25904081.
  5. ^ Ferri FF (2010). Ferri's differential diagnosis : a practical guide to the differential diagnosis of symptoms, signs, and clinical disorders (2nd ed.). Philadelphia, PA: Elsevier/Mosby. p. Chapter P. ISBN 978-0323076999.
  6. ^ a b [medical citation needed]Golbe LI, Leyton CE (November 2018). "Life expectancy in Parkinson disease". Neurology (Editorial). 91 (22): 991–992. doi:10.1212/WNL.0000000000006560. PMID 30381371.
  7. ^ a b GBD 2015 Disease Injury Incidence Prevalence Collaborators (October 2016). "Global, regional, and national incidence, prevalence, and years lived with disability for 310 diseases and injuries, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015". Lancet. 388 (10053): 1545–1602. doi:10.1016/S0140-6736(16)31678-6. PMC 5055577. PMID 27733282. {{cite journal}}: |author1= has generic name (help)CS1 maint: numeric names: authors list (link)
  8. ^ a b GBD 2015 Mortality Causes of Death Collaborators (October 2016). "Global, regional, and national life expectancy, all-cause mortality, and cause-specific mortality for 249 causes of death, 1980-2015: a systematic analysis for the Global Burden of Disease Study 2015". Lancet. 388 (10053): 1459–1544. doi:10.1016/s0140-6736(16)31012-1. PMC 5388903. PMID 27733281. {{cite journal}}: |author1= has generic name (help)CS1 maint: numeric names: authors list (link)
  9. ^ Jones, H. Royden (2013). The Netter collection of medical illustrations. a compilation of paintings (2nd ed.). Philadelphia, PA: Saunders Elsevier. p. 161. ISBN 9781455733873. Archived from the original on 8 September 2017.
  10. ^ Barranco Quintana JL, Allam MF, Del Castillo AS, Navajas RF (February 2009). "Parkinson's disease and tea: a quantitative review". Journal of the American College of Nutrition. 28 (1): 1–6. doi:10.1080/07315724.2009.10719754. PMID 19571153.
  11. ^ Samii A, Nutt JG, Ransom BR (May 2004). "Parkinson's disease". Lancet. 363 (9423): 1783–93. doi:10.1016/S0140-6736(04)16305-8. PMID 15172778. Archived from the original on 29 January 2022. Retrieved 2 August 2020.
  12. ^ Barichella M, Cereda E, Pezzoli G (October 2009). "Major nutritional issues in the management of Parkinson's disease". Movement Disorders. 24 (13): 1881–92. doi:10.1002/mds.22705. hdl:2434/67795. PMID 19691125.
  13. ^ Ahlskog JE (July 2011). "Does vigorous exercise have a neuroprotective effect in Parkinson disease?". Neurology. 77 (3): 288–94. doi:10.1212/wnl.0b013e318225ab66. PMC 3136051. PMID 21768599.
  14. ^ Mosley, Anthony D. (2010). The encyclopedia of Parkinson's disease (2nd ed.). New York: Facts on File. p. 89. ISBN 9781438127491. Archived from the original on 8 September 2017.
  15. ^ Parkinson, James (1817). An Essay on the Shaking Palsy. London: Whittingham and Roland for Sherwood, Neely, and Jones. Archived from the original on 24 September 2015.
  16. ^ Shulman JM, De Jager PL, Feany MB (February 2011) [25 October 2010]. "Parkinson's disease: genetics and pathogenesis". Annual Review of Pathology. 6: 193–222. doi:10.1146/annurev-pathol-011110-130242. PMID 21034221. Archived from the original on 28 August 2021. Retrieved 2 August 2020.
  17. ^ Lees AJ (September 2007). "Unresolved issues relating to the shaking palsy on the celebration of James Parkinson's 250th birthday". Movement Disorders. 22 Suppl 17 (Suppl 17): S327–34. doi:10.1002/mds.21684. PMID 18175393.
  18. ^ Davis P (3 May 2007). "Michael J. Fox". The TIME 100. Time. Archived from the original on 25 April 2011. Retrieved 2 April 2011.
  19. ^ Macur, Juliet (26 March 2008). "For the Phinney Family, a Dream and a Challenge". The New York Times. Archived from the original on 6 November 2014. Retrieved 25 May 2013. About 1.5 million Americans have received a diagnosis of Parkinson's disease, but only 5 to 10 percent learn of it before age 40, according to the National Parkinson Foundation. Davis Phinney was among the few.
  20. ^ Brey RL (April 2006). "Muhammad Ali's Message: Keep Moving Forward". Neurology Now. 2 (2): 8. doi:10.1097/01222928-200602020-00003. Archived from the original on 27 September 2011. Retrieved 2 April 2011.
  21. ^ Alltucker, Ken (31 July 2018). "Alan Alda has Parkinson's disease: Here are 5 things you should know". USA Today. Archived from the original on 6 May 2019. Retrieved 6 May 2019.