Articles: general-anesthesia.
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Historical Article
Early use of general anesthesia in Alabama, 1847 to 1853.
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A well integrated and coordinated team between Neurosurgeon and Anesthetist is necessary to achieved the best results in aneurysm surgery. Drugs-induced hypotension, cerebral metabolic depressant drugs (such as thiopentone), new anaesthetic drugs, hypocapnia are the anaesthetic techniques of choice in intracranial aneurysm surgery.
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Myasthenics must be considered as surgical risk patients. It is imperative to know the exact pathophysiology of the disease pattern with its three types of crisis including their treatment in order to perform safe anaesthesia and to reduce the rate of perioperative complications. In the preoperative phase we must consider a few specific angles besides the routine manipulations: Treatment with cholinesterase inhibitors as practised in myasthenics is continued unchanged or with only slightly reduced dosage up to the day of the operation. ⋯ After surgery the patient is transferred to the intensive care ward in intubated position, extubation being performed only after spontaneous breathing has been safely assured. In postoperative analgetic treatment the opiate antagonist pentazocine (Fortral) showed the best results as far as our experience goes. With careful monitoring, however, it is also possible to employ other highly effective analgesics.(ABSTRACT TRUNCATED AT 250 WORDS)
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Oculocardiac reflex is one of the trigemino-vagal reflexes, and is frequently observed during anesthesia for pediatric strabismus surgery. The reflex is greatly exaggerated in the presence of hypoventilation, hypoxemia and acidosis. ⋯ Several related reflexes are known, such as blepharocardiac reflex, oculorespiratory reflex, and the sudden infant death syndrome. Although the reflex can be prevented by a retrobulbar block or the administration of parasympatholytic drugs, well conducted anesthesia and cooperation with the surgeon is much more important.
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Anasth Intensivther Notfallmed · Jun 1986
[Respiratory minute volumes following end expiratory CO2 values in artificial respiration in anesthesia].
During artificial ventilation of anaesthetised patients the respiratory minute volumes were estimated after end tidal CO2-values (eeCO2) and correlated to arterial blood gases. In men the mean respiratory minute volume of 130 ml/kg body weight (b.w.) was significantly above the 113 ml/kg b.w. of women. 9.7-year-old boys and 16-year-old men had higher minute volumes (178 ml/kg b.w. and 148 ml/kg b.w. respectively) in comparison to men of 23 years of age. In contrast, no significant difference was seen in the older age groups. ⋯ EeCO2-values of 3.8 to 4.2 per cent by volume stand for a very marked hyperventilation in the pulmonary healthy patient. The arterial alveolar difference of the CO2 pressure (aADCO2) was in the normal range between 1 and 5 mmHg. The end tidal CO2 estimation is a noninvasive and suitable method to exactly meet the ventilatory needs of the anaesthetised patient.