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  • 1
    Electronic Resource
    Electronic Resource
    Dose of bupivacaine (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 44 (1989), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1989.tb11397.x
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  • 2
    Electronic Resource
    Electronic Resource
    Pharmacokinetics of tocainide in patients with renal dysfunction and during haemodialysis (1983)
    Springer
    European journal of clinical pharmacology 24 (1983), S. 503-507 
    Details
    ISSN: 1432-1041
    Keywords: tocainide ; pharmacokinetics ; renal failure ; antiarrhythmic drug ; haemodialysis ; cirrhosis ; acetyldigoxin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The disposition of tocainide was studied in 15 patients with renal dysfunction. In 9 with total renal failure, the plasma half-life ranged from 16.6 to 42.7 h and total plasma clearance from 35 to 94 ml/min. The longest half-lives were found in 1 patient with cirrhosis, 3 taking the enzyme inhibitor allopurinol, and 1 on cimetidine. The mean half-life in the remaining patients was 22.3±4.8 h (±SD). During a 4 h haemodialysis, the half-life in the 9 patients decreased to 8.5±4.6 h, which was calculated to correspond to removal of 25±14% of the drug from the body. In 6 patients with impaired renal function (creatinine clearance 10–55 ml/min) the tocainide half-life ranged from 13.2 to 22.0 h and total plasma clearance from 72 to 122 ml/min. One patient was taking allopurinol and 1 dihydralazine, and the mean half-life in the others was 19.2±4.0 h. The apparent volume of distribution was similar to that found previously in healthy subjects. The results suggest that tocainide elimination is predictably reduced in patients with renal disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00609893
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The absorption of oral mexiletine in coronary care patients (1978)
    Springer
    European journal of clinical pharmacology 13 (1978), S. 393-399 
    Details
    ISSN: 1432-1041
    Keywords: Oral mexiletine ; plasma concentrations ; absorption ; myocardial infarction ; ventricular arrhythmias
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary In a preliminary study of mexiletine absorption in Coronary Care Unit patients with myocardial infarction, plasma mexiletine concentrations were significantly lower in those given narcotic analgesics. 166 patients then entered a comparative study of the effects of mexiletine and placebo on the incidence of ventricular arrhythmias after myocardial infarction (MI). Eighty-two patients were given mexiletine, 51 with MI. Mexiletine absorption was impaired in patients with MI and 66% failed to reach the minimum therapeutic plasma concentration of 1 µg/ml in 3 h. On the second and third hospital days, 34% and 25% respectively had subtherapeutic levels. In patients without MI, low plasma mexiletine concentrations were associated with the use of narcotic analgesics. The incidence of serious ventricular arrhythmias (VF, VT, R on T ectopic beats) was significantly lower in patients given mexiletine, and after 3 h most arrhythmias in this group occurred in patients with subtherapeutic mexiletine concentrations. Therapeutic failure of oral antiarrhythmic drugs soon after MI may be due to impaired absorption.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00566315
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  • 4
    Electronic Resource
    Electronic Resource
    Paracetamol pharmacokinetics in thyroid disease (1980)
    Springer
    European journal of clinical pharmacology 18 (1980), S. 269-273 
    Details
    ISSN: 1432-1041
    Keywords: paracetamol ; thyrotoxicosis ; hypothyroidism ; drug disposition ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The absorption, distribution and elimination of oral paracetamol have been studied in patients before and after treatment of thyrotoxicosis (n=7) and hypothyroidism (n=4). Absorption was faster in patients with untreated thyrotoxicosis than when subsequently euthyroid. The peak paracetamol concentration, however, was lower in thyrotoxic patients due to an apparent increase in the total body clearance and a shorter plasma half-life. Both absorption and elimination rates were reduced in hypothyroid patients, but were not significantly different from the euthyroid results. When estimated using a two compartment model the total volume of distribution and the hybrid distribution rate constants were unrelated to thyroid status, but the apparent volume of the central compartment was significantly greater in the thyrotoxic group. These changes in drug disposition may contribute to differences in drug response seen in thyroid disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00563010
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  • 5
    Electronic Resource
    Electronic Resource
    Pharmacokinetics of tocainide in patients with combined hepatic and renal dysfunction (1983)
    Springer
    European journal of clinical pharmacology 25 (1983), S. 787-790 
    Details
    ISSN: 1432-1041
    Keywords: tocainide ; cirrhosis ; pharmacokinetics ; renal dysfunction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The disposition of tocainide following an i.v. infusion of tocainide HCl 100 mg was studied in 6 patients with decompensated cirrhosis (ascites) and renal dysfunction. In one patient with active hepatic necrosis the terminal plasma half-life was 57.4, and in the others the half life ranged from 16.0 to 29.0 h. The increase in half-life was correlated with biochemical evidence of renal dysfunction, but not with individual tests of hepatic function. Non-renal clearance of tocainide was similar to values reported previously in healthy subjects and patients with acute myocardial infarction. The apparent volume of distribution of tocainide was increased and the pattern of distribution was abnormal in some patients, as plasma concentrations increased after an initial fall and the elevated concentrations then persisted for several hours. This abnormality appeared to be most marked in patients with the greatest degree of liver dysfunction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00542521
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    Paper (German National Licenses)
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