J Biscoping

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BACKGROUND The influence of Trendelenburg positions and variations in spinal canal configuration on the spread of hyperbaric spinal anesthetics was examined in two models of the subarachnoid space. METHODS Both models included simulations of the spinal cord, filum terminale and cerebrospinal fluid. Model I had a straight shape, thus omitting replications(More)
Peridural anaesthesia needles (PDA) do not only differ in calibre or gauge but also vary in the design of the needle tip, which shows a special configuration to place a catheter in the epidural space. A laboratory model was performed to determine the influence of different types of virgin epidural needles concerning their path through tissue. In an(More)
The advantages of an electrical nerve stimulator for detection of the axillary neurovascular sheath have been frequently described in the literature and are now well known. In most of these techniques, stimulation is achieved by a fixed electrical voltage and variable amplification. The new nerve stimulator presented here offers the possibility of measuring(More)
The effect of adding 6% dextran to a lignocaine solution containing adrenaline was studied in 27 neurosurgical patients during modified neuroleptanaesthesia. Before trepanation they received infiltration anaesthesia of the scalp at the site of the proposed operation. For a period of 1 h following injection plasma concentrations of adrenaline were measured(More)
Premedication with H1 and H2 blockers as well as cortisone to reduce or prevent allergic reactions should be an integral part of the overall treatment. The facilities for immediate treatment of anaphylactic reactions including cardiopulmonary resuscitation must be readily available. Our haemodynamic measurements allow us to give a negative answer to the(More)
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