“…Retrospective clinical studies were relatively inconclusive, with some, but not all studies, supporting findings of cognitive changes after early childhood exposure to anesthesia (Andropoulos et al, 2014; Bartels et al, 2009; DiMaggio et al, 2009; Fan et al, 2013; Flick et al, 2011; Graham et al, 2016; Ing et al, 2012; Kalkman et al, 2009; O’Leary et al, 2016; Sprung et al, 2009; Sun et al, 2016; Wilder et al, 2009) (See Figure 4, A Timeline - 15 Years of Anesthetic Neurotoxicity). This debate has prompted a few, rigorously designed clinical trials, many of which are just now starting to publish their results.…”