Amnesia natural history, complications and prognosis: Difference between revisions

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{{Amnesia}}
{{Amnesia}}
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==Overview==
Amnesia may progress slowly or suddenly, and maybe transient or permanent. The natural history and [[prognosis]] depends upon the underlying [[etiology]]. [[Patients]] with [[memory]] loss could suffer from [[depression]] and [[grief]] long term. [[Quality of life]] and activities of daily living are difficult to maintain which causes decreased socialization and a decline in [[cognitive]] functions in the [[elderly]].


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==Natural History==  
==Natural History==  
Amnesia may progress slowly or suddenly, and maybe transient or permanent. The natural history and prognosis depends upon the underlying cause.
*Amnesia may progress slowly or suddenly, and maybe transient or permanent. The natural history and prognosis depends upon the underlying cause.
*Without treatment [[Korsakoff's syndrome]] can cause [[mental]] [[disability]] with permanent [[memory]] loss, [[apathy]], [[confabulation]].<ref name="pmid29225466">Arts NJ, Walvoort SJ, Kessels RP (2017) [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&retmode=ref&cmd=prlinks&id=29225466 Korsakoff's syndrome: a critical review.] ''Neuropsychiatr Dis Treat'' 13 ():2875-2890. [http://dx.doi.org/10.2147/NDT.S130078 DOI:10.2147/NDT.S130078] PMID: [https://pubmed.gov/29225466 29225466]</ref>
 
==Complications==
==Complications==
The underlying cause of amnesia determines whether it presents slowly or suddenly, and whether it is temporary or permanent. A complication of amnesia is the inability to imagine the future. A recent study published online in the ''[[Proceedings of the National Academy of Sciences]]'' shows that amnesiacs with a damaged [[hippocampus|hippocampus]] cannot imagine the future. This is because when a normal human being imagines the future, they use their past experiences to construct a possible scenario. For example, a person who would try to imagine what would happen at a party in the near future would use their past experience at parties to help construct what the event might be like in the future.
*Patients with [[memory]] loss could suffer from [[depression]] and [[grief]] long term.<ref name="pmid24379504">{{cite journal| author=Mamarde A, Navkhare P, Singam A, Kanoje A| title=Recurrent dissociative fugue. | journal=Indian J Psychol Med | year= 2013 | volume= 35 | issue= 4 | pages= 400-1 | pmid=24379504 | doi=10.4103/0253-7176.122239 | pmc=3868095 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24379504  }} </ref>
*Quality of life and activities of daily living are difficult to maintain which causes decreased socialization and a decline in [[cognitive]] functions in the [[elderly]].<ref name="pmid18511736">{{cite journal| author=Ertel KA, Glymour MM, Berkman LF| title=Effects of social integration on preserving memory function in a nationally representative US elderly population. | journal=Am J Public Health | year= 2008 | volume= 98 | issue= 7 | pages= 1215-20 | pmid=18511736 | doi=10.2105/AJPH.2007.113654 | pmc=2424091 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18511736  }} </ref>
*Repeated episodes of [[transient global amnesia]] can result in long lasting loss of [[memory]].<ref name="pmid19031042">{{cite journal| author=Profice P, Rizzello V, Pennestrì F, Pilato F, Della Marca G, Sestito A | display-authors=etal| title=Transient global amnesia during transoesophageal echocardiogram. | journal=Neurol Sci | year= 2008 | volume= 29 | issue= 6 | pages= 477-9 | pmid=19031042 | doi=10.1007/s10072-008-1034-y | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19031042  }} </ref>
 
==Prognosis==
==Prognosis==
===Dissociative Fugue===
* In [[patients]] with post [[traumatic]] amnesia, the extent of [[injury]] and duration of [[loss of consciousness]] are important [[prognostic]] factors in determining the severity of amnesia. <ref name="pmid11475324">{{cite journal| author=Leclerc S, Lassonde M, Delaney JS, Lacroix VJ, Johnston KM| title=Recommendations for grading of concussion in athletes. | journal=Sports Med | year= 2001 | volume= 31 | issue= 8 | pages= 629-36 | pmid=11475324 | doi=10.2165/00007256-200131080-00007 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11475324  }} </ref>
Most ''Dissociative Fugues'' last for hours or days or months, unresolved and may return. ''Dissociative Fugue'' is treated much the same as ''[[Psychogenic amnesia|Dissociative Amnesia]]'' and ''[[Dissociative Identity Disorder]]'', and treatment is therapy aimed at helping the person restore lost memories as soon as possible. Most people who suffer ''Dissociative Fugues'' regain most or all of their prior memories; however, efforts to restore memories of the fugue period usually are unsuccessful.
*[[Dissociative fugue]] could last from days to months and once recovery occurs it is rapid and complete. Some [[refractory]] cases have been observed but usually it is just one episode.<ref name="pmid24379504">{{cite journal| author=Mamarde A, Navkhare P, Singam A, Kanoje A| title=Recurrent dissociative fugue. | journal=Indian J Psychol Med | year= 2013 | volume= 35 | issue= 4 | pages= 400-1 | pmid=24379504 | doi=10.4103/0253-7176.122239 | pmc=3868095 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24379504  }} </ref>
===Transient Global Amnesia===
*If [[Korsakoff's syndrome]] is detected early and treatment optimally it can be reversed to some extent and can prevent further [[brain]] and [[nerve]] damage.<ref name="pmid29225466">Arts NJ, Walvoort SJ, Kessels RP (2017) [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&retmode=ref&cmd=prlinks&id=29225466 Korsakoff's syndrome: a critical review.] ''Neuropsychiatr Dis Treat'' 13 ():2875-2890. [http://dx.doi.org/10.2147/NDT.S130078 DOI:10.2147/NDT.S130078] PMID: [https://pubmed.gov/29225466 29225466]</ref>
The prognosis of TGA is very good. It does not affect mortality and has a small recurrence rate.  
 
<blockquote>
"The most important part of management after diagnosis is looking after the psychological needs of the patient and his or her relatives. Seeing a once competent and healthy partner, sibling or parent become incapable of remembering what was said only a minute ago is very distressing, and hence it is often the relatives who will require reassurance." <ref>Magnus Harrison and Mark Williams
''The diagnosis and management of transient global amnesia in the emergency department''  
Emerg Med J 2007; 24: 444-445. doi:10.1136/emj.2007.046565</ref>
</blockquote>
==References==
==References==
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{{reflist|2}}
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Latest revision as of 16:01, 24 March 2021

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Zehra Malik, M.B.B.S[2]

Overview

Amnesia may progress slowly or suddenly, and maybe transient or permanent. The natural history and prognosis depends upon the underlying etiology. Patients with memory loss could suffer from depression and grief long term. Quality of life and activities of daily living are difficult to maintain which causes decreased socialization and a decline in cognitive functions in the elderly.

Natural History

Complications

Prognosis

References

  1. 1.0 1.1 Arts NJ, Walvoort SJ, Kessels RP (2017) Korsakoff's syndrome: a critical review. Neuropsychiatr Dis Treat 13 ():2875-2890. DOI:10.2147/NDT.S130078 PMID: 29225466
  2. 2.0 2.1 Mamarde A, Navkhare P, Singam A, Kanoje A (2013). "Recurrent dissociative fugue". Indian J Psychol Med. 35 (4): 400–1. doi:10.4103/0253-7176.122239. PMC 3868095. PMID 24379504.
  3. Ertel KA, Glymour MM, Berkman LF (2008). "Effects of social integration on preserving memory function in a nationally representative US elderly population". Am J Public Health. 98 (7): 1215–20. doi:10.2105/AJPH.2007.113654. PMC 2424091. PMID 18511736.
  4. Profice P, Rizzello V, Pennestrì F, Pilato F, Della Marca G, Sestito A; et al. (2008). "Transient global amnesia during transoesophageal echocardiogram". Neurol Sci. 29 (6): 477–9. doi:10.1007/s10072-008-1034-y. PMID 19031042.
  5. Leclerc S, Lassonde M, Delaney JS, Lacroix VJ, Johnston KM (2001). "Recommendations for grading of concussion in athletes". Sports Med. 31 (8): 629–36. doi:10.2165/00007256-200131080-00007. PMID 11475324.


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