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NCT06315933
In the past, a large number of animal studies have suggested that anesthesia exposure has potential neurotoxic effects, resulting in persistent cognitive and behavioral deficits. At present, there is still a lack of sufficient clinical research evidence to prove whether anesthesia exposure has long-term effects on neurodevelopment. The existing clinical research data suggests that a single short-time anesthesia exposure in young children does not affect long-term neurodevelopmental outcomes. Early onset scoliosis, including congenital scoliosis, is a type of scoliosis deformity that occurs before the age of 10. Posterior scoliosis correction surgery is one of the common treatment. There is currently no research indicating the impact of early single or multiple long-duration anesthesia exposure on the neurological development of children with congenital scoliosis. The aim of this study is to determine the long-term effect of general anesthesia exposure on neurocognitive function and behavior in children with congenital scoliosis, in order to provide reference for related clinical work.
NCT03511729
The proposed studies are aimed to measure Tau and P-Tau levels in pre- and postoperative blood, urine, feces and saliva, as well as to assess pre- and postoperative neurocognitive function in children (3 to 5 years old) who will have surgery under general anesthesia (single versus multiple exposures). The studies will establish a system to study biomarkers of the anesthesia/surgery-associated neurocognitive impairment in children and generate hypothesis that Tau or P-Tau serves as the biomarker of such neurocognitive impairment in children.
NCT03629093
Numerous preclinical evidence has confirmed that most commonly-used general anesthetics can affect neurodevelopment of young animals adversely, causing both structural defect of brain and cognitive impairment. However, it is unclear at present whether such effect would also occur to children exposed to general anesthesia in their early life. Several observational clinical studies and one interventional clinical trial indicated that short-time general anesthesia less than 80 minutes might be safe to cognitive development. Concerning long-time and/or multiple anesthesia exposure, some studies supported its association with long-term cognitive defects, while other studies did not. These studies are mainly retrospective or ambirectional researches. We have designed a prospective, multicenter cohort study to examine the neurodevelopment of infants exposed to anesthesia before age 2 in the first year after surgery, and compare the neurodevelopment status of infants exposed to anesthesia less than 3 hours and those more than 3 hours. The Gesell Developmental Inventory (GDI) and several neuropsychological testing batteries will be used. The anticipated outcome of the study will add reliable evidence from Asians to elucidate the relationship of anesthesia and long-term neurodevelopment of infants.
NCT04164329
A prospective controlled single centre study designed to determine the association between the exposure to anesthetic agents and the pre and postoperative changes in plasma Neurofilament Light levels, biomarkers of neurological injury, in patients with similar surgical intervention but different anesthetic techniques. Secondary endpoints: Association between the changes in plasma Neurofilament Light levels and the development of post-operative neurocognitive disorders as acute delirium.