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  • Book
    edited by Pedro Gambus, Jan Hendrickx.
    Summary: "Because there is no disease condition that can be treated with the administration of anaesthetic medications, the specialty of anaesthesiology does not possess a curative effect in itself. Nevertheless, achieving the state of anaesthesia or the anaesthetic state relies completely on the use of drugs. Drugs used in anaesthesia are very powerful and able to transiently break the most deeply rooted physiological defence mechanisms. Some of the effects induced are lack of consciousness, absence of response to pain, absence of muscle tone, immobility, lack of breathing, dysfunction of the autonomous nervous system, to name just a few. Some of these effects might be considered target or "therapeutic effects", such as unconsciousness, analgesia or immobility, but others are "side effects" that are induced because of the relative low specificity of currently used anaesthetic drugs"-- Provided by publisher.
    Digital Access Cambridge 2019
  • Article
    Benabid AL, Persat JC, Chirossel JP, de Rougemont J, Barge M.
    Neurochirurgie. 1978;24(1):3-13.
    Authors describe the SEEG technique which is routinely used during stereotactic investigations of brain tumors. By the way of the Talairach's stereoencephalographic electrodes, the brain tissue impedance is measured along the probe trajectory with a four electrode impedancemeter (0.25 mA; 5 KHz). The impedance profile provides a good pattern of the brain structures which are crossed; in pathological areas, the impedance significantly decreases as well in gliomas as in edema; cysts and CSF spaces also decrease the recorded impedance. As a contrary, metastases and meningiomas increase the impedance. SEEG appears to be a sharp method for stereotactic delineation of the brain tumors; a larger series as well as the real-imaginary decomposition of the impedance are needed for a best selectivity of the method.
    Digital Access Access Options