Articles: general-anesthesia.
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Although effects of general anesthesia on neuronal activity in the human neonatal brain are incompletely understood, electroencephalography provides some insight and may identify age-dependent differences. ⋯ Although evidence gaps were identified, both increasing sevoflurane concentration and decreasing temperature are associated with increasing discontinuity.
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Anasthesiol Intensivmed Notfallmed Schmerzther · Oct 2024
Review[Talking to Unconscious? - Therapeutic Communication During General Anaesthesia, Resuscitation and Therapy of Coma].
There are numerous reports from patients concerning perceptions during deep unconsciousness, be it general anaesthesia, cardiopulmonary resuscitation or intensive care and coma treatment. These experiences can cause considerable traumatisation. The most stressful experience is apparently not feeling pain, but the lack of communication, i.e. being recognised and being able to express oneself. Although there are already indications of positive effects of positive communication during general anaesthesia, these findings have not yet markedly changed the way we deal with the unconscious.
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Three linked clinical observations prompted our current understanding of perioperative heat balance. The first was the extraordinarily rapid decrease in core temperature after induction of general anesthesia which led to an understanding of redistribution hypothermia. The second was the linear reduction in core temperature during the subsequent 2-3 h which led to an understanding of anesthetic effects on metabolic heat production and factors that influence cutaneous heat loss. And the third was the observation that core temperature reaches a plateau at about 34.5 °C which led to the understanding that thermoregulatory vasoconstriction re-emerges when patients become sufficiently hypothermic, and that arteri-venous shunt constriction constrains metabolic heat to the core thermal compartment.
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Second-generation supraglottic airway devices have a role in selected patients undergoing general anaesthesia for cesarean section.
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Investigating the effect of magnesium sulfate (MS) on emergence agitation (EA) in adult surgical patients following general anesthesia (GA). ⋯ Limited available evidence suggests that MS was associated with a lower incidence of EA. Nevertheless, further high-quality studies are warranted to strengthen and validate the effect of MS in preventing EA in adult surgical patients.