Abstract
Postoperative delirium (POD) is a common complication of surgery and an acute and fluctuating neurological disorder that is characterized by disturbances of consciousness, attention, and perception. Postoperative cognitive dysfunction (POCD) is a subtle transient cognitive decline that occurs for weeks or months after surgery. POCD may influence isolated cognition domains, such as verbal memory, visual memory, attention, and concentration, and is not necessarily accompanied by a change in consciousness. Although POD is a transient and curable clinical condition, it may encompass POCD and increase postoperative mortality. Saczynski et al. demonstrated that patients with POD had more severe POCD at 1 week and 1 year after surgery and that the longer the POD continued, the worse the cognitive dysfunction. Prevention and treatment of POD may prevent POCD. POCD influences both the short-term and long-term prognosis. Patients with POCD at 1 week after surgery had greater difficulty returning to work and tended to receive social transfer payments, whereas those with POCD at 3 months after surgery were associated with increased mortality. In this chapter, we describe POD and POCD and particularly focus on their prevention and treatment.
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Ida, M., Kawaguchi, M. (2017). Prevention and Treatment of Postoperative Delirium and Postoperative Cognitive Dysfunction. In: Morimoto, Y. (eds) Anesthesia and Neurotoxicity. Springer, Tokyo. https://doi.org/10.1007/978-4-431-55624-4_8
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DOI: https://doi.org/10.1007/978-4-431-55624-4_8
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