Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound   Target Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound

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Query: EC:3.1.3.1 (alkaline phosphatase)
47,916 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In the period of January 1978 to October 1988, 32 Le Veen shunts (LVS) were implanted in 20 patients, out of which 16 were alcoholic cirrhotics and 4 postnecrotic cirrhotics. In the present study, we correlated preoperative laboratory data of these patients with their postoperative evolution, comparing the clinical results of patients who survived more than 30 days (13 patients = 65%) with the results of those who died within the same period (7 patients = 35%). For that matter, 14 laboratory tests were performed in order to measure the serum levels of hematocrit, hemoglobin, urea, creatinine, sodium, potassium, bilirubin, albumin, AST, ALT, alkaline phosphatase, fibrinogen, gamma GT and prothrombin activity. After statistical analysis, we observed that 6 of the 14 tests performed could be considered of prognostic value in the following decreasing order of importance: fibrinogen, alkaline phosphatase, prothrombin activity, urea, gamma GT and bilirubin. We observed that all the 7 patients who died prematurely presented 3 or more of these levels altered, when compared with standard values. Based on these data, we concluded that serum levels of fibrinogen, alkaline phosphatase, urea, gamma GT, bilirubin and activity of prothrombin proved to be important factors in determining the prognosis of immediate survival in cirrhotic patients who underwent LVS implantation. We also concluded that when 3 or more of these factors are altered, the implant of LVS is contraindicated, whatever clinical criteria for indication and contraindication were taken into account.
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PMID:Prognostic value of preoperative tests in the surgical treatment of ascites with the implant of Le Veen shunts in cirrhotics. 184 48

Although valproic acid as well as its derivatives are effective in the treatment of some epileptic seizures, they are not free of adverse side effects. The purpose of this work was to describe the collateral clinical effects of valproic acid, the associated changes that take place in some serum laboratory parameters, and correlations among these adverse clinical effects, drug serum level and therapeutic response. One hundred patients aged 7 months to 19 years (average 5 year and 6 month old) were followed for at least 13 months. Clinical collateral effects were observed in 14% patients, anorexia and hair loss being the most frequent. One third of patients showed raised serum alkaline phosphatase and transaminases values, while lower than normal prothrombin time and platelet counts were detected in 4% and 1% of patients, respectively. In one patient treatment was interrupted because of low platelet counts which persisted in spite of drug withdrawal, but basal counts were not done, so it is not possible to establish causal relationships between both events. No correlation between adverse clinical symptoms and valproic acid plasma levels was observed. In spite of the fact that basal laboratory values were not known and that abnormal tests were not repeated for confirmation, collateral clinical effects and laboratory findings associated to treatment with valproic acid seemed not severe in this series. Anyway, taking into account drug characteristics, it should always be used with caution.
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PMID:[Adverse effects of valproic acid in epileptic infants and adolescents]. 184 42

Serum level of osteocalcin (OC) is believed to be a specific biochemical parameter of bone formation. Decreased serum OC has been reported in alcohol-intoxicated subjects, in patients with primary biliary cirrhosis and in patients with chronic alcoholic liver disease. The question was, whether lower OC level could be detected in patients with nonalcoholic and non-cholestatic chronic liver disease. The serum OC was measured by RIA developed in our laboratory. Results were compared to age and sex matched controls. Decreased OC level was found in 35 out of 47 (74%) patients with non-alcoholic and non-cholestatic liver disease as chronic persistent hepatitis, chronic active hepatitis, fatty liver and cirrhosis, in 21 out of 26 (80%) patients with alcoholic liver disease and in 8 out of 15 (53%) primary biliary cirrhosis. None of the patients had elevated value. There was no correlation between the decreased OC level and the duration or severity of the liver disease and the laboratory parameters as bilirubin, AST, ALT, alkaline phosphatase, albumin, prothrombin, and serum 25-OH-D3 vitamin level. Decreased OC was found also in the patients without cirrhosis. The possible causes are discussed. Relying upon these findings it is supposed that chronic liver disease by itself can influence the osteoblast activity also by some unknown mechanism.
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PMID:[Decreased serum osteocalcin level in non-alcoholic and alcoholic chronic liver diseases]. 185 6

During the period 1950-1985, a total of 179 cases of clinically overt hereditary haemochromatosis (HH) were registered in Denmark, 140 males and 39 females. Median age at diagnosis was 55 years (range 29-81). Diagnostic approaches, symptoms and physical signs at discovery are described. All patients had grade 3-4 liver haemosiderin iron, and cirrhosis was present in 84%. Serum (S-) transaminase was elevated in 92%, S-alkaline phosphatase in 47% and S-bilirubin in 23%, while plasma prothrombin time was below normal in 34%. Females had higher alkaline phosphatase than males (p less than 0.05). Bone marrow haemosiderin iron (n = 81) showed no relation to iron status indicators and was unsuitable as a diagnostic tool. Skin biopsy (n = 56) was positive for haemosiderin iron in 67% and for melanin in 57%, but was of limited value in the assessment of HH. Arthropathy was registered in 44%; arthralgias and clinical joint abnormalities occurred more frequently in females than in males (p less than 0.05). Latent diabetes mellitus was found in 34% and overt diabetes in 55%, being more frequent in males than in females (p less than 0.05). Other endocrine abnormalities were seen in 66%. Cardiac failure was observed in 9% and abnormal ECG in 35%. Males had higher haemoglobin (p less than 0.0001) and S-iron (p less than 0.01) than females, while S-transferrin, transferrin saturation, S-ferritin and mobilizable iron stores showed no significant sex differences. Median transferrin saturation was 87% (range 52-100); values greater than 62% were observed in 96% of the patients. Median S-ferritin was 3,400 micrograms/l (800-12,700) and median iron stores 14.8 g (4.5-36.4).
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PMID:Hereditary haemochromatosis in Denmark 1950-1985. Clinical, biochemical and histological features in 179 patients and 13 preclinical cases. 191 39

The aim of this prospective study was to examine the usefulness of flow-dependent dynamic liver function tests and conventional methods of evaluating liver function as predictors of pretransplant survival in patients with advanced cirrhosis. Patients who underwent orthotopic liver transplantation within the follow-up period of 365 days were excluded. One hundred one patients with histologically confirmed cirrhosis were studied. Fifty-eight patients had post-hepatitic cirrhosis, 13 had cryptogenic cirrhosis and 30 had biliary cirrhosis. During follow-up, 28 patients died of their liver diseases. At entry, we recorded indocyanine green half-life, monoethylglycinexylidide formation from lidocaine, bilirubin and albumin serum concentrations, activities of cholinesterase and alkaline phosphatase, prothrombin time, clinical complications of ascites and encephalopathy and the Pugh score. These variables were subjected as covariates to a stepwise survival analysis by use of the Cox proportional-hazards model. At the final step, Pugh score, monoethylglycinexylidide formation and indocyanine green half-life were found to be the only independent variables significantly related to 1-yr survival. The parallel combination of Pugh score and monoethylglycinexylidide test yielded the highest prognostic sensitivity (82%). The series approach combining either the Pugh score and indocyanine green test or the monoethylglycinexylidide and indocyanine green tests was associated with the highest specificity (96%/97%) and high predictive values of a positive result (81%/82%). These findings suggest that appropriate combinations of the studied flow-dependent dynamic liver function tests and the Pugh score could be useful in improving transplant candidate selection and the timing of transplantation.
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PMID:Predictors of one-year pretransplant survival in patients with cirrhosis. 195 50

Indocyanine green clearance was measured in 23 symptomatic patients with primary biliary cirrhosis who were followed up for 6 months. Ten patients either died (n = 4) from their primary biliary cirrhosis or underwent liver transplantation (n = 6) during the follow-up period. Indocyanine green clearance and other liver function test results were compared between the survivors (n = 13) and those who had died or undergone transplantation (n = 10). Indocyanine green clearance, bilirubin, bile acids, albumin, and prothrombin ratio differed significantly between the two groups, whereas age, alkaline phosphatase, globulin, and aspartate aminotransferase did not. Indocyanine green clearance gave better discrimination between the two groups than the other liver function tests, including bilirubin. There was a close correlation between indocyanine green clearance and bilirubin in patients who died or were transplanted. Further studies are necessary to define whether indocyanine green clearance is clinically useful in selecting patients for transplantation and in the timing of intervention.
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PMID:Preliminary study of indocyanine green clearance in primary biliary cirrhosis. 200 92

The objective of this prospective study was to assess the prognostic value of dynamic liver function tests and traditional methods of evaluating liver function in potential candidates for hepatic transplantation. Patients who underwent orthotopic liver transplantation within the follow-up period of 120 days were excluded. The study included 107 adult and 57 pediatric patients with cirrhosis. Postnecrotic cirrhosis was present in 107 and biliary cirrhosis in 57 of 164 patients. During the follow-up period, 26 of 164 patients died of their liver disease. At the time of inclusion, we recorded monoethylglycinexylidide (MEGX) formation from lidocaine, indocyanine green (ICG) half-life, bilirubin and albumin serum concentration, activity of cholinesterase and alkaline phosphatase, prothrombin time, the clinical complication of ascites, and--in adults--the Pugh score also. These variables were subjected as covariates to a survival analysis (Cox proportional hazards regression model) using separately the data from adults, pediatric patients, all patients with postnecrotic cirrhosis, and all patients with biliary cirrhosis. In all of these four subgroups there was a significant relationship between MEGX and ICG test results and the 120-day survival. In the stepwise analysis, none of the remaining parameters contributed to a further relevant improvement of our predictive ability when added to the values of ICG and MEGX. Our results suggest that the ICG and the MEGX test are superior to conventional liver function tests and the Pugh score in assessing short-term prognosis in cirrhotics independently from the etiology of the underlying liver disease. These findings may have important implications for determining the optimum timing of transplantation.
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PMID:Assessment of pretransplant prognosis in patients with cirrhosis. 201 33

An attempt was made to estimate noninvasively portal pressure (PP) in patients with chronic liver disease, using the theory of quantification, a kind of multivariate analysis. Forty-one patients with liver cirrhosis and 22 patients with chronic hepatitis in whom hepatic venous catheterization had been performed were studied. Seventeen parameters (age, sex, mean blood pressure, red blood cell count, platelet count, prothrombin time, lactate dehydrogenase, alkaline phosphatase, total bilirubin, albumin, gamma-globulin, indocyanine green retention at 15 min, blood urea nitrogen, hepatomegaly, splenomegaly, ascites and edema) were selected for the estimation of PP. The estimated PP correlated significantly with the data obtained by hepatic venous catheterization with a high correlation coefficient of 0.835 (p less than 0.01). An investigation using the theory of quantification was also undertaken to determine which of the 17 parameters selected above was most useful in estimating PP. Among the 17 parameters indocyanine green retention at 15 min, red blood cell count, prothrombin time, hepatomegaly and splenomegaly seemed to contribute significantly to the estimation of PP. When the formula was applied to 31 successive patients with chronic liver disease (external samples), the correlation between the estimated and measured PP was 0.455 (p less than 0.01). These results indicate that the formula is clinically useful in estimating PP in patients with chronic liver disease.
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PMID:[Estimation of portal pressure using the theory of quantification]. 201 41

The multivariant approach offers best possibilities for assessment of liver function. The role of the different clinical, clinico-laboratory and combined clinical and clinicochemical indices in the prognosis of liver cirrhosis was studied in patient in ambulatory conditions. A step regressive mathematical model with the help of the program 2R of the statistical package BMDP was used. The regression of the clinical indices by 5 steps of the mathematical model showed that of greatest importance for the survival are the following indices: ascites, months since its onset, collaterals, anorexia and vascular nevi. By 4 steps of the regressive model of the clinico-chemical indices the following indices were chosen: prothrombin time, albumin, total bilirubin, cholesterol and alkaline phosphatase. The regression of the combined clinical and clinico-chemical indices pointed out as basic factors 3 clinical indices (ascites, months since its onset, collaterals) and 3 clinico-chemical indices related to the disturbed liver function (prothrombin time, total bilirubin, albumin).
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PMID:[Evolution and prognosis in patients with liver cirrhosis. II. A multifactorial analysis using a stepped regression mathematical model]. 208 Jun 13

In 42 alcoholics biopsy of the liver was done during the period of abstinence and the following biochemical investigations were carried out at the same time: AspAT, A1AT, GGTP, alkaline phosphatase activity, total serum protein level, protein electrophoretic fractions, levels of urea and fibrinogen, prothrombin index and white blood cell count. In these investigations determination of transaminase activity was found to be most sensitive in the detection of hepatocellular damage. In some patients no abnormalities were found in biochemical investigations despite presence of high-grade changes in the liver in histological examination.
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PMID:[Value of routine biochemical investigations for detection of liver injury in alcoholics during abstinence]. 208 76


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