• Yoshikazu Miyamoto.
• Department of Anesthesiology and Intensive Care Medicine, Graduate School of Medicine, Osaka University, Suita 565-0871.
• Masui. 2011 May 1;60(5):597-602.

AbstractRecently, almost all kinds of general anesthetics currently used in human clinical anesthesia, have been shown to exert neurodegenerative effects such as apoptosis of neuronal cells during the rapid synaptogenesis of immature mammalian brains, and later neurocognitive impairment. There are several drugs or strategies to reduce this phenomenon such as alpha(2) agonist, xenon, melatonin, lithium, hypothermia and erythropoietin, but their safety and efficacy should be investigated much further. Some human studies have shown that surgery under general anesthesia in infancy is one of the risk factors of the impairment of neurocognitive function, but others including Dutch twin study have shown that it is not. Larger-sized prospective randomized studies in human such as SAFEKIDS (http://www.iars.org/safekids/) to ascertain if current clinical practice of general anesthesia impairs neurocognitive development of human neonates and infants, are expected. They will also clarify what kind of anesthetics and anesthetic strategies may be the risk factors of neurocognitive impairment in human neonates and infants.

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