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  • Biomechanics  (1)
  • Catecholamines  (1)
  • Electronic impedance  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Comparative clinical pathology 4 (1994), S. 162-166 
    ISSN: 1433-2981
    Keywords: Electronic impedance ; Haematology analyser ; Multichannel analyser ; Veterinary
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Blood samples from 33 dogs, 28 cats, 24 horses and 25 cattle were analysed in duplicate on the Coulter Counter S-Plus IV and the Baker 9000 multichannel haematology analysers. The precisions of each instrument and the correlations between the instruments were evaluated. The precisions of both systems were good but, the Baker 9000 system showed more variability between duplicate determinations for all parameters. The Baker 9000 had better precision for white blood cell count, haemoglobin concentration, and MCV. Correlations between the two instruments were excellent except for MCHC. Neither analyser reliably provided feline platelet counts and the Baker 9000 also failed to report error messages for 8 of 10 apparently false platelet counts. The Coulter instrument consistently reported higher haemoglobin concentrations and higher feline and lower canine white blood cell counts than the Baker 9000.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1439-6327
    Keywords: Key words Adrenocorticotrophin ; Cortisol ; Catecholamines ; Propranolol ; Stress
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We investigated the mechanisms of stress-induced alterations in adrenocorticotrophin (ACTH) release. Tandem parachutists received either a placebo or the β-adrenoceptor antagonist propranolol prior to a first time parachute jump. Blood samples were drawn 4 h before, immediately after, and 1 h after the jump. Cortisol and catecholamine concentrations displayed a significant stress-induced increase in both groups. The ACTH plasma concentrations significantly increased in the placebo and the propranolol group, with significantly more pronounced changes in the propranolol-treated subjects compared to the placebo group. These data demonstrated a stress-induced increase of ACTH plasma concentrations in humans that was enhanced by β-blockade.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 21 (1983), S. 494-502 
    ISSN: 1741-0444
    Keywords: Biomechanics ; Fixation device ; Spinal fracture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Quantitative biomechanical analyses of approaches for the reduction and fixation of lumbardorsal injury are presented in this paper, entailing (i) classification of the types of injuries, (ii) analysis of the critical functional levels of forces exerted on the injured spinal structures and the stabilisation devices and (iii) the basis for the various modalities of injury reduction stabilisation modes, and for the use of conventional posteriorly attached compression or distraction devices, as well as anteriorly placed vertebral stabilisation-fixation device.
    Type of Medium: Electronic Resource
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