Hepatic encephalopathy other imaging findings: Difference between revisions
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==Overview== | ==Overview== | ||
[[Electroencephalography]] may be helpful in the diagnosis of hepatic encephalopathy but, the findings in [[Electroencephalography]] are not specific for diagnosis of hepatic encephalopathy. Findings on an [[electroencephalography]] suggestive of hepatic encephalopathy include reduced frequency in the posterior derivations and increase in interhemispheric parietal relative coherence within the [[Theta wave|theta band]]. | |||
==Other Imaging Findings== | ==Other Imaging Findings== | ||
* [[Electroencephalography]] may be helpful in the diagnosis of hepatic encephalopathy but, the findings in [[Electroencephalography]] are not specific for diagnosis of hepatic encephalopathy. | * [[Electroencephalography]] may be helpful in the diagnosis of hepatic encephalopathy but, the findings in [[Electroencephalography]] are not specific for diagnosis of hepatic encephalopathy.<ref name="pmid11870389">{{cite journal| author=Ferenci P, Lockwood A, Mullen K, Tarter R, Weissenborn K, Blei AT| title=Hepatic encephalopathy--definition, nomenclature, diagnosis, and quantification: final report of the working party at the 11th World Congresses of Gastroenterology, Vienna, 1998. | journal=Hepatology | year= 2002 | volume= 35 | issue= 3 | pages= 716-21 | pmid=11870389 | doi=10.1053/jhep.2002.31250 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11870389 }} </ref> | ||
* Findings on an [[electroencephalography]] suggestive of hepatic encephalopathy include:<ref name="pmid21763244">{{cite journal| author=Marchetti P, D'Avanzo C, Orsato R, Montagnese S, Schiff S, Kaplan PW et al.| title=Electroencephalography in patients with cirrhosis. | journal=Gastroenterology | year= 2011 | volume= 141 | issue= 5 | pages= 1680-9.e1-2 | pmid=21763244 | doi=10.1053/j.gastro.2011.06.085 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21763244 }} </ref> | * Findings on an [[electroencephalography]] suggestive of hepatic encephalopathy include:<ref name="pmid21763244">{{cite journal| author=Marchetti P, D'Avanzo C, Orsato R, Montagnese S, Schiff S, Kaplan PW et al.| title=Electroencephalography in patients with cirrhosis. | journal=Gastroenterology | year= 2011 | volume= 141 | issue= 5 | pages= 1680-9.e1-2 | pmid=21763244 | doi=10.1053/j.gastro.2011.06.085 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21763244 }} </ref> | ||
** Reduced frequency in the posterior derivations | ** Reduced frequency in the posterior derivations | ||
** Increase in interhemispheric parietal relative coherence within the [[Theta wave|theta band]] | ** Increase in interhemispheric parietal relative coherence within the [[Theta wave|theta band]] | ||
These findings could be seen in patients with | These findings could be seen in patients with child class C and in patients with a history of overt hepatic encephalopathy; they correlated with [[hyperammonemia]] and [[hyponatremia]].<ref name="pmid21763244" /> | ||
* Alterations in the [[electroencephalography]] are significantly associated with the severity of [[Liver diseases|liver disease]] and hepatic encephalopathy In patients with [[cirrhosis]].<ref name="pmid21763244" /> | * Alterations in the [[electroencephalography]] are significantly associated with the severity of [[Liver diseases|liver disease]] and hepatic encephalopathy In patients with [[cirrhosis]].<ref name="pmid21763244" /> | ||
* the [[electroencephalography]] is also helpful in the determining prognosis of patients with [[Liver diseases|liver disease]] and hepatic encephalopathy.<ref name="pmid21763244" /> | * the [[electroencephalography]] is also helpful in the determining [[prognosis]] of patients with [[Liver diseases|liver disease]] and hepatic encephalopathy.<ref name="pmid21763244" /> | ||
==References== | ==References== | ||
Latest revision as of 05:26, 6 July 2020
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: ;Mohamadmostafa Jahansouz M.D.[2]
Overview
Electroencephalography may be helpful in the diagnosis of hepatic encephalopathy but, the findings in Electroencephalography are not specific for diagnosis of hepatic encephalopathy. Findings on an electroencephalography suggestive of hepatic encephalopathy include reduced frequency in the posterior derivations and increase in interhemispheric parietal relative coherence within the theta band.
Other Imaging Findings
- Electroencephalography may be helpful in the diagnosis of hepatic encephalopathy but, the findings in Electroencephalography are not specific for diagnosis of hepatic encephalopathy.[1]
- Findings on an electroencephalography suggestive of hepatic encephalopathy include:[2]
- Reduced frequency in the posterior derivations
- Increase in interhemispheric parietal relative coherence within the theta band
These findings could be seen in patients with child class C and in patients with a history of overt hepatic encephalopathy; they correlated with hyperammonemia and hyponatremia.[2]
- Alterations in the electroencephalography are significantly associated with the severity of liver disease and hepatic encephalopathy In patients with cirrhosis.[2]
- the electroencephalography is also helpful in the determining prognosis of patients with liver disease and hepatic encephalopathy.[2]
References
- ↑ Ferenci P, Lockwood A, Mullen K, Tarter R, Weissenborn K, Blei AT (2002). "Hepatic encephalopathy--definition, nomenclature, diagnosis, and quantification: final report of the working party at the 11th World Congresses of Gastroenterology, Vienna, 1998". Hepatology. 35 (3): 716–21. doi:10.1053/jhep.2002.31250. PMID 11870389.
- ↑ 2.0 2.1 2.2 2.3 Marchetti P, D'Avanzo C, Orsato R, Montagnese S, Schiff S, Kaplan PW; et al. (2011). "Electroencephalography in patients with cirrhosis". Gastroenterology. 141 (5): 1680-9.e1-2. doi:10.1053/j.gastro.2011.06.085. PMID 21763244.