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  • 1
    Electronic Resource
    Electronic Resource
    Pharmacokinetics of single-dose intravenous amikacin in critically ill patients undergoing slow hemodialysis (1995)
    Springer
    Intensive care medicine 21 (1995), S. 348-351 
    Details
    ISSN: 1432-1238
    Keywords: Amikacin ; Pharmacokinetics ; Slow hemodialysis ; Renal failure ; Critically ill patients
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective The pharmacokinetics of amikacin were studied in patients undergoing slow hemodialysis (HD). Design Slow HD was performed at the dialysate flow rate of 30 ml/min. After a single intravenous dose of amikacin 5 mg/kg, pharmacokinetic variables were calculated by fitting indivdual concentration-time curves to a two-compartment open model. Patients 6 critically ill patients with renal failure were entered into the study. Results The volume of distribution was 0.35±0.03 l/kg. Total body clearance was 35.1±2.3 ml/min with an elimination half-life of 10.5 h. During a 10.5 h session of slow HD, the serum amikacin concentration decreased from the peak level of 21.3±1.2 mg/l to 7.2±0.9 mg/l. Conclusion Slow HD eliminate amikacin more efficiently than other types of slowly performed renal replacement therapy and had profound effects on the pharmacokinetics. Amikacin elimination by this approach should be taken into consideration for designing a dosage schedule during the treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01705414
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Release of cholecystokinin and exocrine pancreatic secretion in response to an elemental diet in human subjects (1986)
    Springer
    Digestive diseases and sciences 31 (1986), S. 919-924 
    Details
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We investigated in human volunteers the effects of an elemental diet (ED) containing amino acids on release of endogenous cholecystokinin (CCK) using a highly sensitive and specific radioimmunoassay of CCK and exocrine pancreatic secretion using a dye dilution technique with polyethylene glycol 4000 as a nonabsorbable marker. Intrajejunal administration of ED at three different infusion rates (12.5, 25, and 50 ml/30 min) resulted in a significant increase in plasma CCK concentration in a dose-related manner. Plasma concentrations of gastrin or secretin, however, did not change. Pancreatic secretion of protein, amylase, and bicarbonate also increased significantly. The change in pancreatic secretion of protein, amylase, and bicarbonate output paralleled that of the circulating CCK level but not that of plasma secretin. Thus, the dose of amino acid contained in ED recommended for clinical use can significantly stimulate the release of CCK from the upper small intestine, raising the plasma concentration of CCK. This level can evoke a significant increase in exocrine pancreatic secretion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01303211
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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