Debating capabilities of biochemical markers of liver function in patients with alcoholic liver cirrhosis
Introduction. The diagnosis of alcohol-related liver disease is limited by the lack of a tool to reliably identify whether the present deterioration in the patient’s condition is due to alcohol consumption or other causes.Purpose. to conduct a comparative assessment of the clinical and diagnostic significance of liver function biochemical indicators (AST, ALT, GGT, ALP) and their calculated derivatives (AST/ALT, GGT/ALP, GGT/GGTn, ALP/ALPn) as markers of alcohol consumption in patients with alcoholic liver cirrhosis.Material and methods. The observational study included 112 men over 18 years of age with alcohol-related liver cirrhosis. The patients were assessed the severity of liver cirrhosis according to the Child-Pugh scale, performed general and biochemical blood tests, coagulation test, assessment of the fact of alcohol consumption by the level of phosphatidylethanol. An analysis was made of the relationship between alcohol consumption and changes in laboratory parameters of liver function, with the determination of their sensitivity and specificity.Results. Patients with Child-Pugh B cirrhosis who consumed alcohol on phosphatidylethanol had higher levels of plasma albumin, GGT, and lower values of creatinine, direct and total bilirubin, urea, and aPTT compared with patients who did not drink alcohol (p < 0.05). Alcohol-drinking patients with class C cirrhosis have higher ALT levels compared with abstinent patients with the same severity of cirrhosis (p < 0.05). The relationship between the fact of alcohol consumption, determined by the level of phosphatidylethanol, and the ratio of GGT of patients to the normal GGT value, as well as between the ratio of GGT to alkaline phosphatase and the degree of increase in GGT, turned out to be statistically significant. To assess the fact of alcohol consumption, the level of serum GGT > 65 IU/ l (75.5%) has the highest sensitivity, the highest specificity is the ratio of the patient’s GGT to the normal value of GGT > 2 (82.9%).Conclusion. Compared with the known 100% sensitivity and > 92% specificity of Peth as a alcohol biomarker, among the biochemical indicators of liver function and their calculated derivatives, GGT > 65 IU/l have the greatest sensitivity or specificity (respectively, 75.5% and 65%) and GGTnorm. > 2 (37.7% and 82.9%, respectively), which makes it possible to use the totality of these parameters as an indicator of the continued impact on the patient of the main etiological factor of alcohol-related liver cirrhosis in the routine practice of most medical organizations of the Russian Federation..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2022 |
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| Enthalten in: |
Медицинский совет - (2022), 7, Seite 76-83 |
| Sprache: |
Russisch |
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| Beteiligte Personen: |
K. A. Ikonnikova [VerfasserIn] |
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| Links: |
doi.org [kostenfrei] |
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| Themen: |
Alanine aminotransferase |
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| doi: |
10.21518/2079-701X-2022-16-7-76-83 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
DOAJ023214147 |
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| 520 | |a Introduction. The diagnosis of alcohol-related liver disease is limited by the lack of a tool to reliably identify whether the present deterioration in the patient’s condition is due to alcohol consumption or other causes.Purpose. to conduct a comparative assessment of the clinical and diagnostic significance of liver function biochemical indicators (AST, ALT, GGT, ALP) and their calculated derivatives (AST/ALT, GGT/ALP, GGT/GGTn, ALP/ALPn) as markers of alcohol consumption in patients with alcoholic liver cirrhosis.Material and methods. The observational study included 112 men over 18 years of age with alcohol-related liver cirrhosis. The patients were assessed the severity of liver cirrhosis according to the Child-Pugh scale, performed general and biochemical blood tests, coagulation test, assessment of the fact of alcohol consumption by the level of phosphatidylethanol. An analysis was made of the relationship between alcohol consumption and changes in laboratory parameters of liver function, with the determination of their sensitivity and specificity.Results. Patients with Child-Pugh B cirrhosis who consumed alcohol on phosphatidylethanol had higher levels of plasma albumin, GGT, and lower values of creatinine, direct and total bilirubin, urea, and aPTT compared with patients who did not drink alcohol (p < 0.05). Alcohol-drinking patients with class C cirrhosis have higher ALT levels compared with abstinent patients with the same severity of cirrhosis (p < 0.05). The relationship between the fact of alcohol consumption, determined by the level of phosphatidylethanol, and the ratio of GGT of patients to the normal GGT value, as well as between the ratio of GGT to alkaline phosphatase and the degree of increase in GGT, turned out to be statistically significant. To assess the fact of alcohol consumption, the level of serum GGT > 65 IU/ l (75.5%) has the highest sensitivity, the highest specificity is the ratio of the patient’s GGT to the normal value of GGT > 2 (82.9%).Conclusion. Compared with the known 100% sensitivity and > 92% specificity of Peth as a alcohol biomarker, among the biochemical indicators of liver function and their calculated derivatives, GGT > 65 IU/l have the greatest sensitivity or specificity (respectively, 75.5% and 65%) and GGTnorm. > 2 (37.7% and 82.9%, respectively), which makes it possible to use the totality of these parameters as an indicator of the continued impact on the patient of the main etiological factor of alcohol-related liver cirrhosis in the routine practice of most medical organizations of the Russian Federation. | ||
| 650 | 4 | |a alcohol‐associated liver cirrhosis | |
| 650 | 4 | |a phosphatidylethanol | |
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| 650 | 4 | |a aspartate aminotransferase | |
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