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Effect of carbamazepine on serum lipids and liver function tests.

We prospectively studied the effect of carbamazepine (CBZ) therapy on serum lipids and liver function tests in 28 patients and 28 age and sex matched controls. The mean age of patients was 8.29 years, duration of therapy with CBZ 10.3 months and dose of CBZ 13.1 mg/dL. The patients and controls were comparable in weight, height and BMI. Mean +/- SD of cholesterol 162 +/- 25.8 mg/dL in patients was significantly more than controls 131+/- 25.2 mg/dL. Mean LDL cholesterol and HDL cholesterol were also significantly raised in patients. Values of mean VLDL, triglycerides, ratio of LDL HDL, TC HDLC bilirubin and SGPT were not significantly different in two groups. Blood Levels of alkaline phosphatase were significantly more in patients compared to controls. The long term implications of these findings need to be studied.

Alkaline Phosphatase↗

Analysis of causes for liver function deterioration in patients with HIV/HCV co-infection.

BACKGROUND: Co-infection of hepatitis C virus (HCV) and human immunodeficiency virus type 1 (HIV-1) is common in hemophiliacs and drug abusers. To assess the interaction between HIV and HCV disease progression, we examined 82 HIV/HCV co-infection patients and 62 HCV infection patients. METHODS: Liver function, pathological changes, infection duration, immune function and qualitative HCV-RNA and HCV antibody were compared retrospectively between the two groups of patients. RESULTS: Fourty-eight patients (58.5%) in the HIV/HCV co-infection group and 53 patients (85.5%) in the HCV infection group showed abnormal liver function. No significant difference was observed in inflammation and fibrosis in the two groups (P=0.187, 0.954). However, liver abnormality in the patients with HIV/HCV co-infection appeared 8 years earlier than in those with HCV infection alone (P<0.001). As to immune function, the counts of CD+4 T and CD+8 T in the HIV/HCV group were (226.35+/-173.49)X10(6)/L and (914.40+/-448.28)X10(6)/L, whereas in the HCV group they were (752.31+/-251.69)X10(6)/L and (529.01+/-170.67)X10(6)/L respectively. The difference in the two groups was highly significant (P<0.001; P<0.001). The ratio of the number of people with both HCV-RNA and HCV antibody positive to the number of HCV-RNA positive and HCV antibody negative in the HIV/HCV group was 52:9, whereas in the HCV group it was 44:1 (P=0.043). CONCLUSION: HIV/HCV co-infection can accelerate deterioration of hepatitis C, which may be due to the effect of HIV on cellular immunity and humoral immunity of the body.

Adult↗

[Dose-volume histogram analysis of patients with hepatocellular carcinoma regarding changes in liver function after proton therapy].

Seventy-five patients with hepatocellular carcinoma were treated with proton beams from 1983-1993 at the Proton Medical Research Center, University of Tsukuba. For the purpose of confirming the feasibility of proton therapy for hepatocellular carcinoma, we investigated the influence of proton therapy on liver function and also tried to evaluate the possibility of optimization using dose-volume histogram (DVH) analysis. The results indicated that proton therapy did not cause clinically symptomatic damage in liver function and the only notable change after proton therapy was the transient increase of transminase. DVH analysis showed that this transient increase of transaminase was well correlated to the normal tissue complication probability (NTCP). These results indicate that localized high dose radiation using proton beams is feasible for the treatment of liver cancers and optimization of this treatment may be possible using DVH analysis.

Adult↗

Preserved liver function and leukocyte response in superlethal endotoxic shock.

Recent studies reveal that endotoxin-pretreated awake dogs become markedly leukocytotic and survive superlethal endotoxin challenge without hypoglycemia. The purpose of this study was to determine if an association exists between leukocytosis, liver function, and survival in endotoxin shock. Studies were conducted on awake, conditioned adult dogs, with the experimental group (N= 5) injected intravenously with 1/1,000 LD100 E. coli endotoxin on Days 1 and 2, LD100 on Day 3, and 2 x LD100 on Day 4. A control group (N = 6) received equal volumes of saline on Days 1, 2, and 3, but on Day 4 received 2 x LD100 endotoxin. All saline-pretreated dogs died within seven hours following superlethal endotoxin challenge. Each animal in the experimental group was sacrificed at the time of its paired saline control's death for a comparison of liver pathology, since in parallel studies all endotoxin-pretreated dogs (N = 11) survived for 30 days. Animals in the experimental group exhibited a marked leukocytosis of 39,000/cu mm (mature neutrophils, 28,000/cu mm, immature neutrophils, 8,300/cu mm (P is less than 0.001) on Day 4 compared with saline-pretreated controls. At the time of death the liver enzymes, arginase, and SGPT were significantly elevated in the saline-pretreated controls compared with endotoxin-pretreated dogs (P is less than 0.02). Liver pathology in endotoxin-pretreated dogs consisted of mild necrosis, while saline-pretreated animals demonstrated massive hepatocellular necrosis. Results support the view that increased numbers of neutrophils protect liver function and enhance survival in endotoxin shock.

Alanine Transaminase↗

Parenteral clindamycin phosphate: pharmacology with normal and abnormal liver function and effect on nasal staphylococci.

Parenteral clindamycin was evaluated in 41 patients with a variety of infections. The four major findings were as follows. (i) Five hours after the intravenous administration of 600 mg of clindamycin, the mean serum concentration in patients with "moderate to severe" hepatic dysfunction was 24.3 mug/ml, and in those with normal liver function it was 8.3 mug/ml (P < 0.02). This suggests that the dose of clindamycin might be modified in patients with liver disease. (ii) There was a positive association between the 5-h serum clindamycin level and the degree of elevation of the serum glutamic oxaloacetic transaminase. (iii) No significant side effects were observed. Of 24 patients with preexisting hepatic dysfunction, 5 showed deterioration and 5 showed improvement of liver function during therapy. (iv) Whereas all pre-treatment isolates of Staphylococcus epidermidis from the anterior nares were susceptible to clindamycin, 6 of 9 post-treatment isolates were resistant, most probably due to selection of resistant organisms.

Adolescent↗

[The assessment of liver function in local suppurative processes (experimental research)].

The function of the liver was studied on an experimental model of a local purulent process in 40 rabbits. It is shown that a local purulent process may cause a hepatic damaging effect, the presence of which is confirmed by the active egress of the organ-specific enzymes histidase and urocaninase into the blood. Determination of these enzymes in blood serum is an authentic test which characterizes damage to the hepatic cells in a local purulent process. Appraisal of the functional condition of the liver in local purulent processes may be employed in clinical practice for early detection and timely treatment of possible hepatotoxic damage.

Animals↗

Liver function tests in non-parenteral cocaine users.

To investigate the effect of cocaine on standard liver function tests (LFT), we studied 46 cocaine users with no history of parenteral drug use or homosexuality. LFT were similar in 21 users of cocaine only (Group A) and 25 users of cocaine and alcohol (Group B). Only three patients, two of whom were hepatitis B carriers, had an alanine aminotransferase level more than five units above normal limits. Group B patients were significantly more likely to complain of headaches, irritability, and loss of memory. We conclude that (1) non-parenteral cocaine use is rarely associated with significant LFT abnormalities and (2) alcohol may potentiate some adverse effects of cocaine.

Adult↗

Liver function tests in patients receiving parenteral nutrition.

A 5-year prospective study was performed to monitor liver function tests (LFTs) in patients receiving total parenteral nutrition (TPN). A gradual and progressive rise was seen in the plasma concentration of bilirubin, aspartate transaminase, and alkaline phosphatase. The rate of rise was not increased in patients with LFT abnormalities before the start of TPN. Half of the patients had an episode of sepsis during TPN, but overall abnormal LFTs did not appear more common in these patients than in those without obvious sepsis. Patients with malignant disease, those requiring long-term TPN, and those requiring a nonstandard TPN regimen were more likely to develop raised LFTs.

Adult↗

Liver function after bilateral nephrectomy.

Consequences of bilateral nephrectomy (NX) for liver functions and for hepatic excretion of various endogenous substances were characterized in rats 24 h after NX. Plasma concentrations of urea, creatinine, fibrinogen, and glutathione increased significantly after NX, whereas the concentrations of total protein, albumin, and lipids decreased. The hepatic excretion of urea, creatinine, phospholipids, cholesterol, and aldosterone significantly increased in uremia, and excretions of protein and glutathione diminished. Active biliary transport can be diminished after NX by the effects of uremic toxins on the liver cells or by the competition phenomena between endogenous substances, which are normally excreted in urine, at the hepatocellular level. Reduced glutathione content and increased lipid peroxidation in hepatocytes have been found. Changes in lipid and protein metabolism after NX can be proved.

Albumins↗

Thyroid hormones and thyroxine-binding globulin in relation to liver function and serum testosterone in men with alcoholic cirrhosis.

In 73 euthyroid male patients with histologically verified alcoholic cirrhosis, thyroid hormones, thyroxine-binding globulin (TBG) and testosterone concentrations (total, non-protein- and non-SHBG-bound) were studied in relation to each other and to the degree of liver dysfunction. Serum concentrations of triiodothyronine (T3) decreased significantly (p less than 0.05) and thyroid-stimulating hormone (TSH) increased with progressing liver dysfunction. Serum concentrations of tetraiodothyronine (T4), TBG and T4/TBG ratio did not correlate significantly with liver function. Serum T3 concentrations correlated significantly (Kendall Tau-beta = -0.33, p = 0.001) with total serum testosterone concentrations, while there was a negative correlation (Kendall Tau-beta = -0.20, p = 0.025) between testosterone and TSH values. No correlation was found between testosterone concentrations and serum levels of TBG. It is proposed that the association between T3 and TSH on one hand and testosterone concentrations on the other reflects a covariation of these variables with liver function. The TBG level was normal in most patients and was not correlated to testosterone concentrations.

Adult↗