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  • 1
    Electronic Resource
    Electronic Resource
    Central venous cannulation in patients with liver disease and coagulopathy – a prospective audit (1999)
    Springer
    Intensive care medicine 25 (1999), S. 481-485 
    Details
    ISSN: 1432-1238
    Keywords: Key words Central venous cannula ; Liver diseases ; Coagulopathy ; Fresh frozen plasma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To determine the incidence of vascular complications associated with central venous cannulation in patients with liver disease and coagulopathy. Design: A prospective audit of all cannulation episodes in patients with liver disease and a prothrombin (INR) more than 1.5 and/or platelet count of 150 × 109/l or less. Setting: A specialist liver unit between January 1996 and September 1997. Patients: Patients with acute or chronic liver diseases and patients undergoing liver transplantation or other hepatobiliary surgery. Measurements and results: Vascular complications of central venous cannulation were classified as major (any haemodynamically significant haemorrhage) or minor (superficial oozing or haematoma). We recorded 658 cannulations (subclavian, 352, and internal jugular, 306). The median INR was 2.4 (range 1–16) in the subclavian group and 2.7 (1–17) in the internal jugular group (p 〈 0.05); median platelet counts were 81 × 109/l (range 9–1088) and 83 × 109/l (10–425), respectively (difference not significant). One patient developed a haemothorax after accidental subclavian artery puncture (INR was 1.5, platelets 68 and regional prostacyclin therapy was being given for haemofiltration). There were no other major vascular complications. Risk factors for minor vascular complications included internal jugular cannulation, more than one needle pass into the vein, failure to pass any guidewire, a high INR and low platelets for haematoma formation, and low platelets and heparin therapy for superficial oozing. Conclusions: The incidence of major vascular complications following central venous cannulation in patients with liver disease and coagulopathy was low in this audit. In liver disease the presence of a raised INR alone should not be considered a contra-indication to central venous cannulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001340050884
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Accumulation of cadmium, chromium, and zinc by the mossSphagnum papillosum Lindle (1997)
    Springer
    Water, air & soil pollution 93 (1997), S. 321-330 
    Details
    ISSN: 1573-2932
    Keywords: moss ; cadmium ; chromium ; zinc ; bioindicators ; contamination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In a series of laboratory experiments employing radiotracer methodology, the uptake of Cd, Cr, and Zn bySphagnum papillosum Lindle moss from solutions of deionized water and bog water was investigated. Bioaccumulation of the metals was a passive process, since living and dead moss accumulated metal equally. No significant differences were found in metal uptake rates from single metal solutions and mixed metal solutions, suggesting insignificant competition between the metals occurred at the low concentration range used (10−10 to 10−7 M). Metal uptake conformed with Freundlich adsorption isotherms. Concentration factors of metals inSphagnum papillosum in bog water (103 for Cd and Zn, 102 for Cr) were lower than in deionized water (104 for Cd and Zn, 103 for Cr), possibly due to metal complexation by dissolved organic matter, competition by other major cations present in the bog water (Na+, K+, Mg2+, Ca2+) or complexation by chlorides in the bog water. While earlier studies have demonstrated the potential of using sphagnum mosses for monitoring environmental metal contamination, these experiments are the first to assess metal uptake in moss using low, environmentally realistic metal concentrations. The results confirm that mosses would be very effective bioindicators of environmental metal concentrations because the concentration of metal in the moss rapidly and directly reflects the metal concentrations in the ambient water.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02404764
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Accumulation of Cadmium, Chromium, and Zinc by the Moss Sphagnum Papillosum Lindle (1997)
    Springer
    Water, air & soil pollution 93 (1997), S. 321-330 
    Details
    ISSN: 1573-2932
    Keywords: moss ; cadmium ; chromium ; zinc ; bioindicators ; contamination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In a series of laboratory experiments employing radiotracer methodology, the uptake of Cd,Cr, and Zn by Sphagnum papillosum Lindle moss from solutions of deionized water and bogwater was investigated. Bioaccumulation of the metals was a passive process, since living anddead moss accumulated metal equally. No significant differences were found in metal uptake ratesfrom single metal solutions and mixed metal solutions, suggesting insignificant competitionbetween the metals occurred at the low concentration range used (10-10 to 10-7 M). Metaluptake conformed with Freundlich adsorption isotherms. Concentration factors of metals inSphagnum papillosum in bog water (103 for Cd and Zn, 102 for Cr) were lower than in deionizedwater (104 for Cd and Zn, 103 for Cr), possibly due to metal complexation by dissolved organicmatter, competition by other major cations present in the bog water (Na+, K+, Mg2+, Ca2+) orcomplexation by chlorides in the bog water. While earlier studies have demonstrated the potentialof using sphagnum mosses for monitoring environmental metal contamination, these experimentsare the first to assess metal uptake in moss using low, environmentally realistic metalconcentrations. The results confirm that mosses would be very effective bioindicators ofenvironmental metal concentrations because the concentration of metal in the moss rapidly anddirectly reflects the metal concentrations in the ambient water.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022117515040
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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