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  • 1
    Electronic Resource
    Electronic Resource
    Assessment of neonatal ventilator performances (1995)
    Springer
    Intensive care medicine 21 (1995), S. 753-758 
    Details
    ISSN: 1432-1238
    Keywords: Artificial ventilation ; Pediatric intensive care ; Positive end-expiratory pressure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective To analyze efficiency and reliability of 4 modern neonatal ventilators under difficult test conditions. The ventilators tested were: Babylog 8000 (Dräger Medical), BP 2001 (Bear Medical Systems), Sechrist IV 100 B (Sechrist Industries), Infant Star (Infrasonics INC). Measurements and results Gas flow generation was tested by comparison of preset flow values with no resistance in the circuit to flow values obtained during interposition of a resistance in the inspiratory circuit. A decrease in gas flow was observed when interposition of a resistance in the inspiratory circuit increased peak inspiratory pressure to 60 cmH2O (gas flow decreased by 8% to 24% depending on the ventilator tested). The pressure limiting valve and the positive end-expiratory pressure valve were also evaluated in order to test their behaviour under different flow conditions. Flow-dependence of the pressure was noted for all ventilators except Babylog 8000. Assessment of the reliability of pressure monitoring revealed either ‘under’ or ‘over’ estimation of peak inspiratory pressure and positive end-expiratory pressure depending on the ventilator tested. Conclusion For the best clinical use of mechanical ventilators, neonatologists should be aware of these limitations. Therefore a regular assessment of ventilator performance and monitoring reliability is recommended.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01704743
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  • 2
    Electronic Resource
    Electronic Resource
    Topical upper airway anaesthesia with lidocaine increases airway resistance by impairing glottic function (1995)
    Springer
    Intensive care medicine 21 (1995), S. 920-926 
    Details
    ISSN: 1432-1238
    Keywords: Topical anaesthesia ; Lidocaine ; Upper airways ; Respiratory resistance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective To assess if two different forms of upper airway topical anaesthesia induce similar changes in airway flow resistance (Rrs). Design Serial measurements of Rrs before and after topical anaesthesia with acqueous or paste lidocaine. Setting Lung function test laboratory. Participants 9 normal men with documented normal lung function tests. Interventions 2 different session of topical upper airway anaesthesia with 100 mg of liquid 5% lidocaine and 100 mg of 2% lidocaine paste, respectively. Measurements and results Rrs was measured by the random noise forced oscillation technique. Fiberoptic upper airway examination was performed in two subjects. Rrs increased on average by 81% after lidocaine spray and by 68% after lidocaine paste (p〈0.005, respectively) with no difference in the magnitude of Rrs increase between the two modes of anaesthesia studied. This increase lasted 13±3 min (spray) and 12±3 min (paste), respectively (p=ns). Fiberoptic examination of the two most responders showed inspiratory laryngeal collapse. Conclusions Topical upper airway anaesthesia transiently increases Rrs with no specific effects regarding the drug presentation. Laryngeal dysfunction may be one mechanisms involved in Rrs increase following upper airway topical anaesthesia. Such findings may explain some poor respiratory tolerance reported during endoscopy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01712333
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Airway anesthesia during positive and negative inspiratory pressure breathing in man
    Amsterdam : Elsevier
    Respiration Physiology 89 (1992), S. 89-96 
    Details
    ISSN: 0034-5687
    Keywords: Airways, anesthesia, pattern of breathing, inspiratory pressure ; Control of breathing, inspiratory pressure ; Inspiratory pressure support, airway anesthesia ; Mammals, humans
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0034-5687(92)90073-6
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Respiratory response to positive and negative inspiratory pressure in humans
    Amsterdam : Elsevier
    Respiration Physiology 89 (1992), S. 75-88 
    Details
    ISSN: 0034-5687
    Keywords: Control of breathing, inspiratory loading, unloading ; Control of breathing, positive, negative inspiratory pressure ; Hypocapnia, during positive inspiratory pressure ; Mammals, humans
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0034-5687(92)90072-5
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Frequency of mechanical ventilation and respiratory activity after double lung transplantation
    Amsterdam : Elsevier
    Respiration Physiology 92 (1993), S. 319-327 
    Details
    ISSN: 0034-5687
    Keywords: Afferent innervation, lung, respiratory activity ; CO"2, threshold, lung transplantation ; Control of breathing, lung afferents, CO"2 threshold, Mammals, humans ; Transplantation, lung control of breathing
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0034-5687(93)90016-4
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  • 6
    Electronic Resource
    Electronic Resource
    Failure of the intracaval filter of Günther to prevent recurrence of pulmonary embolism — report of two cases (1990)
    Springer
    Intensive care medicine 16 (1990), S. 457-459 
    Details
    ISSN: 1432-1238
    Keywords: Pulmonary embolism ; Caval filter ; Inferior vena cava ; Günther filter
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two out of nine patients in which inferior vena cava interruption was performed with a Günther filter developed a recurrent pulmonary embolism. In both cases, the filter had moved down and the anchoring legs had perforated the wall of the vena cava. The source of the pulmonary embolism was a clotted basket filter. Anticoagulation was given for two weeks in one patient and six months in the other after insertion of the filter, but it had been stopped before the thrombotic event leading to the recurrent pulmonary embolism. The formation of the thrombi had probably been caused by the migration of the filter and the subsequent perforation, which may have been facilitated by the cessation of the anticoagulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01711226
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    Paper (German National Licenses)
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