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  • Key words Central venous cannula  (1)
  • orientation data  (1)
  • 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
    Spatial analysis of two-dimensional orientation data (1985)
    Springer
    Mathematical geology 17 (1985), S. 177-194 
    Details
    ISSN: 1573-8868
    Keywords: orientation data ; principal coordinate analysis ; spatial analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Mathematics
    Notes: Abstract A frequently encountered problem in structural geology is the analysis and interpretation of directional data with a geographical distribution. Such data may arise, for example, as samples of fracture strikes collected at a number of locations (rocky outcrops, road cuttings, etc.), trends of geological structures mapped in underground mines where they are exposed in the tunnel roof, or as lineaments annotated on aerial or satellite photographs. From such data, it is of interest to determine the structural domains in the area, that is, to partition the area into subareas of homogeneous structural pattern. This paper presents a method for performing such an analysis, and applies it to a data set collected from an underground coal mine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01033153
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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