| Nitric oxide, ammonia, and CRP levels in cirrhotic patients with hepatic encephalopathy: is there a connection? | |
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MedLine Citation:
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PMID: 20495469 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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GOALS: Comparison of nitric oxide (NO) levels in cirrhotic patients with and without hepatic encephalopathy (HE), evaluation of possible correlation between HE and other clinical or laboratory characteristics, and estimation of utilization of NO levels in clinical practice. BACKGROUND: HE is a neuropsychiatric complication of cirrhosis. The exact pathogenetic mechanisms underlying the presence of HE are not known. However, dysfunction of the NO pathway and ammonia detoxification are thought to play a major role. STUDY: Sixty-seven cirrhotic patients, 36 (53.7%) without HE, and 31 (46.3%) with HE were included in the study. Eighteen healthy individuals were used as control group. Clinical and laboratory data, including ammonia and stable end products of NO using Griess reaction, were collected. RESULTS: NOx levels were statistically significantly higher in cirrhotic patients (225.5 μmol/L) than in control group [(67.94 μmol/L) (P=0.000)]. NOx levels were, also, statistically significantly higher in patients with HE compared with patients without HE (324.67 μmol/L vs. 141.96 μmol/L, P=0.000). Significant correlation between the presence of HE and NOx, ammonia, C-reactive protein, albumin, Model for End-Stage Liver Disease score, and Child-Pugh classification revealed. NOx levels also correlated with severity of HE. NOx and ammonia are independent factors predicting HE according to regression analysis. Diagnostic accuracy for the diagnosis of HE using a combination of NOx and ammonia was superior compared with standalone NOx or ammonia utilization. CONCLUSIONS: NOx levels are correlated with the presence and severity of HE. NOx levels determination, in addition to ammonia levels, could contribute in diagnosis of HE. |
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Authors:
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Nikolaos Papadopoulos; Aspasia Soultati; Constantin Goritsas; Christina Lazaropoulou; Apostolos Achimastos; Adam Adamopoulos; Spyridon P Dourakis |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Journal of clinical gastroenterology Volume: 44 ISSN: 1539-2031 ISO Abbreviation: J. Clin. Gastroenterol. Publication Date: 2010 Nov-Dec |
Date Detail:
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Created Date: 2010-10-18 Completed Date: 2011-02-01 Revised Date: 2011-08-29 |
Medline Journal Info:
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Nlm Unique ID: 7910017 Medline TA: J Clin Gastroenterol Country: United States |
Other Details:
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Languages: eng Pagination: 713-9 Citation Subset: IM |
Affiliation:
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2nd Department of Internal Medicine, General Army Hospital of Athens, Athens, Greece. npnck7@yahoo.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Ammonia / blood* Biological Markers / blood C-Reactive Protein / analysis* Female Greece Hepatic Encephalopathy / blood, diagnosis, etiology* Humans Liver Cirrhosis / blood, complications* Male Middle Aged Nitric Oxide / blood* Predictive Value of Tests Severity of Illness Index |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers; 10102-43-9/Nitric Oxide; 7664-41-7/Ammonia; 9007-41-4/C-Reactive Protein |
| Comments/Corrections | |
Comment In:
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J Clin Gastroenterol. 2011 Aug;45(7):651
[PMID:
21415770
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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