• Xuejun Chen, Yongling Wan, Kailan Wen, Tao Liang, Tao Lin, and Peng Li.
• Department of Anesthesiology, Sichuan Academy of Medical Sciences/ Sichuan Provincial People's Hospital, Chengdu 610072, China.E-mail: chenxuejun135@163.com.
• Nan Fang Yi Ke Da Xue Xue Bao. 2015 Aug 1;35(9):1331-4.

ObjectiveTo evaluate the effect of neonatal perioperative anesthetic exposure in complex cardiac surgery on neurodevelopmental outcomes in preschool children.MethodsGeneral clinical data and data concerning anesthetic exposure were collected from 89 infants undergoing complex cardiac surgery at Sichuan People' Hospital. The cohort was followed for neurodevelopment till preschool age (48-72 months) and assessed with Wechsler Preschool and Primary Scale of Intelligence-III, Beery-Buktenica Developmental Test of Visual Motor Integration (VMI-V), and General Adaptive Composite (GAC) of the Adaptive Behavior Assessment System-II.ResultsSeventy-one children were enrolled into the final analysis. Multiple linear regression found days on benzodiazepines (beta;=-0.49, P=0.005) and cumulative dose of benzodiazepines (β=-0.10, P=0.023) were associated with the full-scale IQ in these preschool children. Days on benzodiazepines (beta;=-0.39, P=0.009) and on chloral hydrate (beta;=-1.19, P=0.020) were associated with lower performance intelligence quotient (PIQ) at the preschool age. Cumulative dose of benzodiazepine exposure (beta;=-0.008, P=0.012) was associated with lower VMI scores. No correlations of other sedation/analgesia variables were found with the full-scale IQ, PIQ, Verbal IQ, VMI, or GAC scores.ConclusionWe found a significant association of days on benzodiazepines, cumulative dose of benzodiazepines, and days on chloral hydrate in neonatal cardiac surgery with neurodevelopmental outcomes at the preschool age, suggesting the need of minimizing anesthetic exposure during a neonatal cardiac surgery to improve the children's neurodevelopmental outcomes.

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