Michael Lueder

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The prototype of a microprocessor controlled oxygen uptake monitor oxyconsumeter developed by Draegerwerk AG, Luebeck, FRG, has been tested. The measuring accuracy of this device was assessed with laboratory bench experiments utilizing both the nitrogen dilution technique and the hydrogen combustion technique to simulate oxygen uptake (VO2). The correlation(More)
Eight different breathing gas humidifiers were tested by humidity measurements using two independent methods under simulated clinical conditions. The comparison considering the influence of tidal volume and inspiratory/expiratory ratios revealed great differences between the individual devices depending on the kind of humidification and functional(More)
Umbilical venous catheterization is frequently used for vascular access during neonatal resuscitation. The differentiation between umbilical artery and vein, specifically during the resuscitation procedure, is clinically neither always easy nor unambiguous. A preterm infant of 35 weeks of gestational age was born after an uneventful course of his mother's(More)