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At least 163 records · Page 9Linked to original sources
PubMed1989

Lignocaine metabolite formation as a measure of pre-transplant liver function.

A method for rapid assessment of hepatic function in liver donors based on the formation of the lignocaine metabolite monoethylglycinexylidide (MEGX), was used in a prospective study of 69 donor-recipient pairs. The probability of graft survival over 120 days was significantly higher for livers from donors with MEGX test values above 90 micrograms/l than for those from donors with MEGX values of 90 micrograms/l or below. Other liver function tests (bilirubin, prothrombin time, activity of aminotransferases, glutamate dehydrogenase, and cholinesterase, indocyanine green clearance, and galactose elimination capacity) were inefficient at predicting early outcome of transplantation. For a 20-day graft survival, the MEGX test showed prognostic sensitivity of 73% and specificity of 78%. These findings suggest that the MEGX formation test could be valuable for selection of donor organs.

Adolescent↗
PubMed2006

Serum lipid and lipoprotein alterations represent recovery of liver function after hepatectomy.

BACKGROUND: The assessment of liver function during human liver regeneration is necessary to prevent unexpected liver failure and to prepare for further treatment. We selected patients prospectively and measured serum lipid and lipoprotein levels to identify which lipids and lipoproteins could represent recovery of liver function in human liver regeneration. METHODS: Thirty selected patients who underwent hepatectomy were divided into three groups depending on the serum hyaluronate (HA) level and the type of liver resection. RESULTS: We found three patterns of lipid and lipoprotein alterations after hepatectomy. Among the lipids and lipoproteins examined, the serum beta-lipoprotein and low-density lipoprotein (LDL) levels were significantly different among the groups at 7 days after hepatectomy. The alteration of the apolipoprotein (Apo) B level was similar to that of LDL. The LDL level was correlated with both beta-lipoprotein and Apo B before hepatectomy (r=0.653 and 0.894, respectively) and at 7 days after hepatectomy (r=0.841 and 0.943, respectively). CONCLUSION: Serum HA before hepatectomy can reflect postoperative liver function depending on the type of liver resection. Recovery of the beta-lipoprotein and LDL levels can reflect the recovery of liver function in human liver regeneration within the early period in association with the Apo B level.

Aged↗
PubMed1989

Persistent impairment of liver function caused by a pendulated accessory liver lobe.

A large pendulated accessory liver lobe and complete absence of the left lobe were discovered by liver scintigraphy and ultrasound scanning in a patient suspected of having an ovarian tumor. The patient had a history of fluctuating impaired liver function tests for many years, probably caused by intermittent torsion of the peduncle. Pedunculated accessory liver lobes are extremely rare and seldom diagnosed in vivo. Our patient seems to be the 11th published case, and the only 1 in which longstanding fluctuating impaired liver function tests have been observed.

Adult↗
PubMed1989

Superiority of the Child-Pugh classification to quantitative liver function tests for assessing prognosis of liver cirrhosis.

To evaluate the prognostic value of quantitative liver function tests in comparison with established prognostic variables, the data of 47 patients with liver cirrhosis were analysed. A total of 16 variables, comprising the galactose elimination capacity and the indocyanine green clearance, the Child-Pugh classification, and several clinical and biochemical variables were subjected to Kaplan-Meier life-table analysis and Cox proportional hazards regression analysis. As independent variables, poor prognosis was associated significantly with increasing Child-Pugh score (p less than 0.00001), whereas the galactose elimination capacity (p = 0.03) and the indocyanine green clearance (p less than 0.001) were less sensitive indicators. The regression analysis showed prognostic value in decreasing sequence for Child-Pugh classification, age, sex, history of upper GI haemorrhage, and alkaline phosphatase activity. The quantitative liver function tests evaluated in the present work have less prognostic value than routinely accessible variables.

Adult↗
PubMed1995

Serum 7 alpha-hydroxycholesterol as a new parameter of liver function in patients with chronic liver diseases.

To examine bile acid synthesis in chronic liver diseases, serum total 7 alpha-hydroxycholesterol level was measured by gas-liquid chromatography-mass spectrometry in patients with cirrhosis (n = 23), patients with chronic hepatitis (n = 21), and control subjects (n = 18). The serum 7 alpha-hydroxycholesterol levels were significantly lower in patients with cirrhosis than the controls (78 +/- 59 pmol/mL vs. 237 +/- 97 pmol/mL; mean +/- SD). However, in patients with chronic hepatitis, the level was fully retained (262 +/- 102 pmol/mL). Serum 7 alpha-hydroxycholesterol levels of 17 patients with cirrhosis classified as Child B and C ranged from 33 to 69 pmol/mL, and all were less than the normal range (between 104 and 466 pmol/mL), however, those levels of some patients classified as Child A were within the normal range. Serum 7 alpha-hydroxycholesterol levels significantly correlated with serum albumin, cholinesterase, total bile acid, direct bilirubin, alkaline phosphatase, indocyanine green (ICG) retention rate, hepaplastin test, and lecithin-cholesterol acyltransferase activities. We conclude that bile acid synthesis is well preserved in patients with chronic hepatitis and that it is decreased in most patients with cirrhosis. Serum 7 alpha-hydroxycholesterol may be a new parameter of liver function testing to assess hepatic bile acid synthesis in patients with chronic liver diseases.

Adult↗
PubMed1987

Extracorporeal isolated pig liver perfusion: influence of various blood primes on liver function.

Extracorporeal isolated pig liver perfusion was performed in three groups of five piglets each to assess the influence of different blood primes on liver function. All prime volumes were hemodiluted to a hematocrit of 0.3-0.35 and adjusted to a pH of 7.35-7.45 with sodium bicarbonate at a temperature of 38 degrees C. Fresh slaughterhouse blood was collected, mechanically filtered and used in Group A, whereas analogously collected blood was biologically filtered by passage through the organism of the piglet in Group B. In Group C, the priming blood consisted of autologous blood gained during hepatectomy by a special technique. A high potassium concentration (10.4 +/- 0.94 mmol/l) in Group A and impurities of the slaughterhouse blood in both Groups A and B led to rapid edema formation and an increase in vascular resistance of the perfused liver, and a prolonged perfusion was not achieved. In the third group, however, liver perfusion over a period of 5 h without any deterioration of liver function was possible. Beside liver function tests, oxygen consumption, the macroscopic aspect and bile flow of the liver seemed to be the most reliable parameters in assessing the function of the isolated perfused pig liver. Our technique to gain autologous blood can be recommended not only for extracorporeal liver perfusion but also for any other extracorporeal isolated organ perfusion.

Animals↗
PubMed1987

Absolute bioavailability of metoclopramide given orally or by enema in patients with normal liver function or with cirrhosis of the liver.

Single dose studies were performed with three different dosage forms of metoclopramide (0.25 mg/kg body weight) in patients with normal liver function (i.v. (Paspertin): n = 4, oral liquid preparation: n = 4, rectal micro-enema n = 4) and patients with histologically confirmed cirrhosis of the liver (i.v.: n = 6, oral liquid preparation n = 4, rectal micro-enema: n = 8). Drug plasma-concentrations were measured over 8 h by a specific gas chromatographic method. The median areas under the plasma concentration-time curves (AUC0-8) after i.v. and rectal administration were similar in both groups. In contrast, the median oral bioavailability was considerably higher in patients with cirrhosis of the liver (82%) than in patients with normal liver function (60%). It can be concluded from this study, that dosage adjustments may be necessary in oral treatment of patients with cirrhosis of the liver, especially if prolonged therapy is required.

Administration, Oral↗
PubMed1981

Correlation of changes in blood chemistry with pathological changes in the animal's body: II Electrolytes, kidney function tests, serum enzymes, and liver function tests.

The numerous physiological and nutritional factors which influence the concentration of serum calcium are considered. The causes of hypercalcaemia and hypocalcaemia are briefly discussed, with particular reference to the clinical symptoms and pathology. The effect of the acid-base status on the serum-ionized calcium level is stressed. The causes of changes in the serum concentrations of phosphorus and magnesium are briefly reviewed, along with the abnormalities of lactate, pyruvate, and hydrogen ion concentrations. The kidney function tests, blood urea nitrogen, serum creatinine, and the renal clearance tests are discussed, with emphasis placed on correlating their results with the findings from repeated urinalyses. The important physiologic influences and pathological processes which result in changes in the concentrations of these parameters are delineated. The causes of increases in the serum enzymes, alkaline phosphatase, alanine transaminase, asparate transaminase, lactic dehydrogenase, sorbitol dehydrogenase, glutamic dehydrogenase, gamma glutamyl transpeptidase, creatinine phosphokinase, amylase and lipase are discussed. The changes in serum bilirubin concentration and its components are fully described, with emphasis placed on the correlation of the findings with urinalysis data and the complexities resulting from the numerous pathologic conditions causing jaundice. These conditions are listed for each of the domestic animals. The other liver function tests, bromosulphthalein dye retention or excretion, serum uric acid and blood ammonia concentration are briefly considered. All the tests described are very useful, and frequently essential, in aiding the veterinary practitioner to arrive at a diagnosis and prognosis, but they never replace clinical acumen.

Animals↗
PubMed1976

Liver function tests following anaesthesia.

Liver function tests were performed in 41 patients who required repeated anaesthetics for genito-urinary surgery, and who had received multiple halothane anaesthetics in the past, first following anaesthesia using halothane and then following an anaesthetic without halothane. There was a smaller frequency of disturbance of liver function after halothane than after the non-halothane anaesthetic. There was no obvious relationship between the number of anaesthetics, or the total duration of anaesthesia, and the disturbance of liver function tests.

Aged↗