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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 25 (1983), S. 683-687 
    ISSN: 1432-1041
    Keywords: metronidazole ; haemodialysis ; renal disease ; pharmacokinetics ; metabolites
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetics and haemodialysis clearance of metronidazole were investigated in four renal failure patients after a single 500 mg intravenous dose and in two renal failure patients on continuous treatment with metronidazole. During dialysis, the volume of distribution of metronidazole was 0.60±0.04 l/kg, total clearance was 196.0±60.6 ml/min and the elimination half-life had an harmonic mean of 2.14 h. Extraction across the dialyser was 51.5±7.8% and was limited to the distribution of drug in plasma water. Dialysis clearance was 125.0±32.7 ml/min, which represented 62±6% of total clearance and was 1.75 times the sum of the other clearance mechanisms. The hydroxy metabolite was extracted and cleared by the dialyser to the same degree as metronidazole itself. During the 4 h-dialysis 44.9±2.6% of the dose was removed by the dialyser in the four patients administered a single dose. Metronidazole is efficiently cleared and extensively removed by dialysis, and therefore dosage adjustments and alterations in the timing of dosage administration are essential in patients undergoing haemodialysis.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 35 (1988), S. 363-366 
    ISSN: 1432-1041
    Keywords: verapamil ; atenolol ; drug interaction ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Chronic coadministration of oral verapamil with oral atenolol resulted in a variable increase in atenolol steady-state plasma concentrations in a group of 10 patients on chronic maintenance therapy. Individual subjects showed changes in area under the plasma atenolol concentration-time curve (AUC) of more than 100%, however group comparisons did not achieve statistical significance unless normalized for verapamil dose. Renal clearance of atenolol was shown to be decreased by more than 25% in 2 subjects studied using intravenous dosing of atenolol. This interaction is likely to contribute to the documented clinical intolerance of combinations of atenolol and verapamil.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 37 (1989), S. 533-536 
    ISSN: 1432-1041
    Keywords: bismuth ; absorption ; elimination ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetics of bismuth subcitrate were studied in plasma and urine under conditions of single and multiple dosing (28–56 days) using atomic absorption technique. Single dose plasma pharmacokinetics showed peak concentrations of 5.5–57.5 µg·l−1 (mean=24.7 µg·l−1), reached between 30 and 60 min post dosing with an apparent biphasic elimination pattern. Multiple dose studies showed a continuing rise in plasma concentration and urine excretion rate reaching apparent steady-state levels over 7–29 days (mean=18 days). Washout studies in 6 individuals reciprocated accumulation. Maximum equilibrated plasma levels of 7.6–58.3 µg·l−1 (mean=38.3 µg·l−1) were well below those associated with encephalopathy. The half-life of bismuth elimination was 20.7 days. Present patterns of intermittent dosing with bismuth are unlikely to be associated with bismuth accumulation despite slow accumulation and elimination.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 4 (1977), S. 0 
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. The pharmacokinetics of methyldopa after oral and intravenous administration was studied in hypertensive and normotensive patients. After intravenous administration methyldopa plasma concentrations decayed according to a two-compartment open model.2. For intravenous administration the overall elimination constant Ke1 was 0.56 ± 0.03 h−1, the volume of distribution of the central compartment 0.29±0.08 1 kg−1 and the plasma clearance rate 11.2±0.6 1 h−1.3. Plasma half-times during the β-phase of the methyldopa plasma decay curve following intravenous and oral administration were 2.8±1.3 and 2.1±0.7 h, respectively.4. Maximal plasma levels in hypertensive out-patients show great variation and range from 0 to 1.9 μg ml−1.5. No relationships were found between maximal methyldopa plasma levels in patients under treatment and control of hypertension.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Pendant la période de six ans allant de 1983 à 1988, 12 enfants âgés de moins de 24 mois et 103 enfants âgés de 2 à 14 ans ont été tués dans un accident de la route en Australie du Sud. Ceci représente une incidence annuelle de 6.4 morts par 100,000 enfants à risque. Au moins quatre autres enfants ont été dans un accident dû à un véhicule motorisé mais hors de la route. Parmi ces morts, la moitié, environ, était des passagers de la voiture, un tiers, des piétons, et un sixième, des cyclistes. La plupart sont morts sur le lieu de l'accident, mais 26 ont survécu suffisamment pour être transportés dans un Hôpital comportant une service de neurochirurgie avant de décéder. Une évaluation de ces accidents mortels a montré qu'au moins trois décès eux étaient évitables. L'autopsie de 78 de ces enfants a démontré que la plupart des décès étaient dus soit à des lésions cérébrales, soit à des lésions viscérales ou du tronc. De meilleurs soins en urgence, et un meilleur déploiment des équipes neurochirurgicales pourraient éviter quelques morts, mais aussi, un certain nombre de morts pourraient être évitées en utilisant correctement less ceintures de sécurité adaptées aux enfants dans les voitures, en réduisant l'exposition aux accidents de ces enfants, ainsi qu'en rendant obligatoire le port de casque pour les enfants se déplacant à vélo. Les accidents qui n'ont pas lieu sur les routes ne sont pas habituelement inclus dans ces statistiques. La croissance de l'utilisation de petits véhicules motorisés par de très jeunes enfants a créé une nouvelle catégorie d'accidents pouvant parfois être responsables de traumatismes crâniens graves.
    Abstract: Resumen En el período de seis anños 1983–1988, murieron 12 infantes (edades menores de 24 meses) y 103 niños (edades 2–14 años) en accidentes viales en el Sur de Australia, lo cual representa una incidencia anual de 6.4 muertes por 100,000 miños en riesgo. Por lo menos cuatro niños más murieron en accidentes fuera de carreteras pero relacionados con automotores. De tales muertes, approximadamente la mitad correspondió a pasajeros en carros, una tercera parte a peatones y una sexta parte a ciclistas. La mayoría murió en el lugar del accidente o poco tiempo después, pero 26 sobrevivieron un tiempo sufiente para ser hospitalizados en instituciones con unidades neurológicas; una auditoría de tales casos sugiere que por lo menos hubo tres muertes prevenibles. Sin embargo, la autopsia de 78 casos demostró que la mayoría de estas muertes se debió a lesiones devastadores del cerebro y/o las vísceras corporales. Mejores servicios de urgencia y la utilización de equipos de resucitación neuroquirúrgica pueden salvar algunas vidas, pero más vidas pueden ser salvadas mediante el uso de sistemas adecuados de seguridad para infantes y para niños instalados en los carros, reduciendo la exposición de peatones y ciclistas infantiles al tráfico víal y mediante el uso obligatorio de cascos por los ciclistas infantiles. Los accidentes que ocurren por fuera de las carreteras generalmente no son incluídos en las estadísticas de siniestros víales; la costumbre de obsequiar pequeñas motocicletas a niños pequeños ha creado una nueva categoría de accidentes vehículares que en ocasiones causan grave trauma craneano.
    Notes: Abstract In the 6-year period from 1983 to 1988, 12 infants (〈24 months of age) and 103 children (2 to 14 years of age) were killed in road crashes in South Australia. This represents an annual incidence of 6.4 deaths per 100,000 children at risk. At least 4 other children were killed in off-road vehicle-related accidents. Of these deaths, approximately half were car passengers, one third pedestrians, and one sixth pedal cyclists. Most of these infants and children died at the accident site or soon after, but 26 of them survived long enough to be admitted to hospitals with neurosurgical units and an audit of these patients suggests that there were at least 3 preventable deaths. However, autopsies of 78 patients show that the great majority of these deaths resulted from devastating brain and/or trunk visceral injuries. Better emergency care and the use of neurosurgical retrieval teams may save some lives. But more lives might be saved by the use of appropriate restraints for infants and children in cars, by reducing the exposure of child pedestrians and cyclists to road traffic, and by mandatory use of helmets by child cyclists. Off-road vehicular accidents are not as a rule included in road crash statistics; the practice of giving small motorcycles to young children has created a new category of vehicular accidents sometimes causing severe head injury.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 430-432 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The puffer-fish poison, tetrodotoxin, does not block the spikes of crayfish muscle8 and evidence is accumulating that this toxin acts specifically on the voltage dependent increase in Na+ conductance which is characteristic of cells specialized for the conduction of excitation9. It was of interest ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Child's nervous system 6 (1990), S. 383-387 
    ISSN: 1433-0350
    Keywords: Extradural haematoma ; Paediatric intensive care ; Computed tomography ; Emergency medical services ; Aeromedical transport
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract One hundred and two paediatric cases of extradural haemorrhage (EDH) were treated in Adelaide, South Australia, during the period 1954–1988; 10 were infants (0–2 years) and 92 were children (2–14 years). There were 9 deaths (mortality 8.8%). Long-term disabilities severe enough to interfere with school and/or employment were seen in 8 (7.8%) survivors. This relatively low number of adverse outcomes is partly an expression of a low incidence (5.9%) of associated intradural haematomas and few high-velocity impacts due to vehicular accidents. There is reason to believe that the results of treatment have improved in the decade 1977–1988. We attribute this in part to early diagnosis by computed tomography (CT), but a contributory factor may be earlier referrals from country centres to a paediatric trauma centre and rapid transfer, by air or road, by medical retrieval teams.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 34 (1978), S. 236-237 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Lipopolysaccharide (endotoxin) fromE. coli cells produced lethal effects in guinea-pigs. Endotoxin caused no visible dermal change in normal animals, but produced skin reactions characterized by specific Arthus-type (Type III immune hypersensitivity) vascular inflammation in immunized animals. It is concluded that Arthus allergic reactions were evoked by endotoxin, however, endotoxin lethal toxicity appears independent of this process.
    Type of Medium: Electronic Resource
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