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Results for “Glucose Solution, Hypertonic”

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At least 19 recordsLinked to original sources
PubMed1990

The effects of hypertonic glucose solutions on hepatic bile formation.

Bile secretion in the isolated guinea-pig liver was studied during perfusion with equi-osmolar hypertonic solutions containing either glucose, galactose, mannose, mannitol or sodium chloride. Perfusates made hypertonic with glucose, galactose or mannose decreased bile flow to the same extent and had similar effects on the ionic composition of bile: sodium, potassium and bicarbonate concentrations all increased. Mannitol had a smaller inhibitory effect and caused different changes in ionic composition: the increase in bile potassium concentration was proportionately greater; bicarbonate concentration did not change, but chloride was increased. Thus, glucose, galactose and mannose, can inhibit bile flow independently of extrinsic neural and hormonal mechanisms and exert a greater cholestatic effect than a non-metabolisable carbohydrate of similar molecular weight. The results also provide evidence for glucose reabsorption in the guinea-pig biliary tree, as shown in other species, and that galactose competes for this transport.

Animals↗
PubMed1985

Changes in DOPAC and 5-HIAA after acute cerebral hemorrhage induced by hypertonic glucose solution (i.p.)--in vivo voltammetry study.

Intraperitoneal injection of hypertonic glucose solution induced intracranial hemorrhage in rats. Simultaneously determined plasma norepinephrine exponentially increased followed by death. Using in vivo voltammetry, the present study was undertaken to estimate the relationship between neurochemical parameters and intracranial bleedings induced by hypertonic glucose injection. When placed in a solution of dihydroxyphenylacetic acid (DOPAC) and 5-hydroxyindole acetic acid (5-HIAA), electrically pretreated carbon fiber electrodes produced a 3 distinct peaks. Peak 1 and 2 refer to the extracellular fraction of ascorbic acid and DOPAC. Peak 3 refers to that of 5-HIAA. The peaks of the voltammograms obtained in vivo from different areas of the brain are similar to those observed in vitro using DOPAC and 5-HIAA solutions. Electrodes implanted in the ventricular CSF showed that DOPAC increased immediately after glucose injection, while 5-HIAA did not change significantly. When the electrode was inserted into the putamen, 5-HIAA exponentially increased followed by death, whereas DOPAC showed only a small change. It was presumed that the stroke-induced major oxidizable compounds are different in the lateral ventricle and the putamen. These results suggest that during cerebral bleeding, plasma norepinephrine increases accompanied with a potentiation of the central DOPAC and 5-HIAA system in rats.

3,4-Dihydroxyphenylacetic Acid↗
PubMed1984

Changes in cerebrospinal fluid volume and cardiovascular functions induced by intraperitoneal injection of hypertonic glucose solution in rats.

The present experiment was undertaken to study the relationship between hemodynamic changes and intracranial hemorrhage induced by intraperitoneal injection of large doses of hypertonic glucose solution in rats. A fifty per cent glucose solution was intraperitoneally injected at a volume of 3.5 ml/100 g b.w. into Wistar rats anesthetized with urethanechloralose. The time span from the start of injection to death was expressed in terms of 100% corrected death time (100% DT) for each rat. Saline that was added to the cerebrospinal fluid in the brain ventricle disappeared gradually from 30% DT up to death. Blood colloid osmotic pressure was slightly elevated temporally 5 minutes (7% DT) after intraperitoneal injection of the glucose solution and returned to the former level 5 minutes later. With regard to hemodynamic changes, a decrease in blood pressure and heart rate began to occur between 5-10% DT. Thereafter, blood pressure and heart rate decreased significantly as compared with the pretreatment period, and the plasma levels of both epinephrine and norepinephrine showed sharply increasing curves as time elapsed after the intraperitoneal injection of the hypertonic glucose solution. It was suggested that the decrease in cerebrospinal fluid and the fall in blood pressure were related to the movement of water from the brain and the flow of body fluid into the hypertonic blood plasma which caused an enlargement of the ventricles due to brain reduction and a change in circulating blood volume. However, questions still remain concerning the mechanisms of the marked increase in plasma catecholamines and bleedings which occurred only in the subarachnoideal space and ventricles.

Animals↗
PubMed2006

Oral hypertonic glucose solution in the treatment of infantile colic.

BACKGROUND: Safe and effective treatment of infantile colic (IC) has not yet been determined. In this study, the authors aimed to investigate the efficiency of 30% glucose solution in the treatment of IC. METHODS: A total of 25 infants diagnosed as typical IC were given 1 mL of 30% glucose solution or sterile water for 4 days consecutively, in a randomized, double blind crossover trial. The effect was measured by parents' scoring. RESULTS: Parents reported varying degrees of improvement in 16 infants (64%) given glucose solution, and in 12 infants (48%) given placebo. Comparison of treatment modalities were statistically significant (P = 0.031). There was no side-effect during treatments. CONCLUSION: The present study revealed that 30% glucose was effective in the treatment of IC. Since oral glucose solution is natural, safe, cheap and easily achievable, it might be considered as an alternative therapy.

Colic↗