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  • 1
    Electronic Resource
    Electronic Resource
    Placement of a central line in the prone position (2004)
    Oxford, UK : Blackwell Science Ltd
    Anaesthesia 59 (2004), 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.1365-2044.2004.03767.x
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  • 2
    Electronic Resource
    Electronic Resource
    Training in intensive care (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 38 (1983), 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.1365-2044.1983.tb12531.x
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  • 3
    Electronic Resource
    Electronic Resource
    Athletic dysrhythmias (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 40 (1985), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 36-year-old athlete was anaesthetised for a minor surgical procedure. His heart rate fell to 30 beats/minute during the operation, the electrocardiogram showed A-V junctional rhythm. Sinus rhythm of 58 beats/minute was restored by atropine 1.2 mg. His resting 12-lead electrocardiogram showed sinus bradycardia and features consistent with a diagnosis of ‘athlete's heart’. A review is presented of the physiological and electrocardiographical features of this phenomenon. The current popularity of running as a leisure pursuit makes it important that anaesthetists recognise the peculiarities of the trained athletic heart.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1985.tb10942.x
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  • 4
    Electronic Resource
    Electronic Resource
    Haemodynamic responses to surgery in brain-dead organ donors (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 48 (1993), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In a prospective study we documented the haemodynamic response to surgery in 14 brain-dead organ donors. The haemodynamic responses to the first 30 min of surgery were predominantly due to alterations in vascular resistance. The mean systemic vascular resistance increased significantly (p = 〈 0.01) from 936 to 1217 dyn.s.cm−5 after 6 min, then decreased significantly (p = 〈 0.001) to 642 dyn.s.cm−5 after 30 min of surgery. In two patients, the decrease in systemic vascular resistance was associated with haemodynamic decompensation. The left cardiac work index increased significantly (p = 〈 0.05) during surgery. We conclude that retrieval surgery causes significant haemodynamic effects. The early effects are predictable and may jeopardise organ perfusion. We advance arguments that organ preservation may be compromised by the use of inotropic agents. When practical, we suggest that a pulmonary artery catheter should be used during retrieval surgery in multi-organ donors to facilitate a reduction in the use of inotropic drugs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1993.tb07520.x
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  • 5
    Electronic Resource
    Electronic Resource
    Sleep-related breathing disorders following discharge from intensive care (2000)
    Springer
    Intensive care medicine 26 (2000), S. 426-433 
    Details
    ISSN: 1432-1238
    Keywords: Key words Outcomes ; Hypoxaemia ; Sleep-related breathing disorders ; Obstructive sleep apnoea ; Central sleep apnoea ; Mechanical ventilation ; Complications ; Intensive care
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objectives: To determine the incidence of sleep-related breathing disorders and nocturnal hypoxaemia in patients discharged from ICU following prolonged mechanical ventilation.¶Design: Prospective, consecutive patient observational study.¶Setting: The medical and surgical wards of a University Hospital.¶Patients and participants: Fifteen consecutive, adult patients discharged from the ICU who had received more than 48 h of mechanical ventilation were studied. Ten healthy volunteers acted as controls.¶Measurements and results: Overnight, multi-channel pneumographic studies were performed on all patients and controls. Chest and abdominal wall movement, air flow, oxygen saturation and snoring were continuously recorded. Data was analysed by both visual inspection of the traces and by computer-based algorithms. An apnoea/hypopnoea index was calculated for each patient and volunteer. Volunteers had an apnoea/hypopnoea index of less than 5 and had no episodes of nocturnal oxygen desaturation (SaO2 〈 90 %). Despite oxygen therapy 13/15 patients had episodes of desaturation and 9/15 spent more than 2 h with an SaO2 〈 90 %. Eleven patients had an abnormal apnoea/hypopnoea index (range 5–34 events/h). Four patients had predominantly obstructive events while 7 primarily had hypopnoeas.¶Conclusions: Significant overnight oxygen desaturation is common in patients discharged from ICU who have received prolonged mechanical ventilation. This group also has a significant incidence of sleep-related breathing disorders and this mechanism is likely to be important in the pathogenesis of the hypoxaemia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001340051177
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  • 6
    Electronic Resource
    Electronic Resource
    Size effect on the strength of glassy carbon (1979)
    Springer
    Journal of materials science 14 (1979), S. 920-930 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Three-point bend tests were conducted on three sets of commercial glassy carbon specimens having volumes of V, 2V, and 4V, and mean strengths of these specimens decreased with increasing volume (from 37 to 32 to 28×103 psi). These results are in good agreement with Weibull predictions of σ(V)=1.12σ(2V)=1.26σ(4V), which are based on a uniform distribution of flaws throughout a volume of material that is characterized by a Weibull modulus of m=6.0. Moreover, the resulting strength formulation for any volume V(in.3), σ=6 V −1/6×103 psi, correlates well with widerspread data from other sources. In common with other brittle materials, glassy carbon satisfies the crack bifurcation relationship of σr 1/2=constant, and this was used to provide additional support for the validity of the volume-dependent Weibull theory. Failures in this material usually originated at interior spherical pores, and the mean size of these flaws for different sets of specimens increased with test volume.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00550723
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  • 7
    Electronic Resource
    Electronic Resource
    An interpretation of radiation effects on mechanical properties of carbon fibres based on a “sheath” and “core” model of fibre structure (1972)
    Springer
    Journal of materials science 7 (1972), S. 964-967 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00550443
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  • 8
    Electronic Resource
    Electronic Resource
    Fatigue behaviour of ATJ graphite (1977)
    Springer
    Journal of materials science 12 (1977), S. 1215-1224 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract DetailedS-N curves are presented for two modes of fatigue testing characterized by different minimum-to-maximum stress ratios,R. The endurance limit, or maximum applied stress below which there were no failures, increased from 46% UTS for R = −1 to 64% UTS for R=0, or from 116 to 162 kg cm−2. Thus, as the stress range narrowed for a given maximum stress, the endurance limit increased with mean stress. For ATJ specimens of a given tensile strengthσ i, the smallest value of maximum applied stress, σA, at which fatigue cracks propagated was defined byσ A/σ i ratios of 0.60 and 0.85 for R=−1 and R=0, respectively. In addition, selected fatigue tests were conducted for several mean compressive stresses in order to complete the definition of a Goodman diagram for ATJ graphite.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02426860
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  • 9
    Electronic Resource
    Electronic Resource
    Fatigue behaviour of ATJ graphite (1977)
    Springer
    Journal of materials science 12 (1977), S. 1215-1224 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract DetailedS-N curves are presented for two modes of fatigue testing characterized by different minimum-to-maximum stress ratios,R. The endurance limit, or maximum applied stress below which there were no failures, increased from 46% UTS for R = −1 to 64% UTS for R=0, or from 116 to 162 kg cm−2. Thus, as the stress range narrowed for a given maximum stress, the endurance limit increased with mean stress. For ATJ specimens of a given tensile strengthσ i, the smallest value of maximum applied stress, σA, at which fatigue cracks propagated was defined byσ A/σ i ratios of 0.60 and 0.85 for R=−1 and R=0, respectively. In addition, selected fatigue tests were conducted for several mean compressive stresses in order to complete the definition of a Goodman diagram for ATJ graphite.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00553613
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  • 10
    Electronic Resource
    Electronic Resource
    HTGR fuel rods: carbon-carbon composites designed for high weight and low strength (1977)
    Springer
    Journal of materials science 12 (1977), S. 1499-1518 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The evolution of the process for fabricating fuel rods for the high-temperature gas-cooled reactor (HTGR) by injection and carbonization of a thermoplastic matrix that bonds close-packed beds of pyrocarbon-coated fuel particles together is reviewed for the freshfuel cycle, and a variant process involving a thermosetting matrix that would allow freestanding carbonization of refabricated fuel is discussed. Previous attempts to fabricate such injection-bonded fuel rods from undiluted thermosetting binders filled with powdered graphite were unsuccessful, because of damage to coatings on fuel particles that resulted from strong particle-to-matrix bonding in conjunction with large matrix shrinkage on carbonization and subsequent irradiation. These problems have now been overcome through the use of a diluted thermosetting matrix with a low-char-yield additive (fugitive), which produces a more porous char similar to that from the pitch-based thermoplastic used in fabrication of fresh fuel. A 1-to-1 dilution of resin with fugitive produced the optimum binder for injection and carbonization, where the fired matrix in such rods contained about 20 wt% binder char and 80 wt% powdered graphite. Thermosetting fuel rods diluted with various amounts of fugitive to give binder chars that range from 12 to 48 wt% of the fired matrix have been subjected to irradiation screening tests, and rods with no more than 32 wt% binder char appear to perform about as well under irradiation as do pitch-based rods. However, particle damage does begin to occur in those lightly diluted rods in which the less-stable binder char constitutes more than 32 wt% of the fired matrix. Finally, while the finished products are quite different, it is pointed out that aims in the fabrication of fuel rods and in the initial carbonization step to convert fibrous-reinforced plastics into structural carbon—carbon composites are similar and that more exchange of ideas and techniques in these areas might be beneficial.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00542801
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