AIM:To investigate the effects of desflurane anesthesia on cerebral glucose metabolism rate(CMRGlu) of healthy volunteers using positron emission tomography(PET).

• 目的:应用正电子发射断层扫描技术(positronemissiontomography,PET),研究地氟醚麻醉对健康自愿者脑内葡萄糖代谢率(cerebralglu-cosemetabolismrate,CMRGlu)的影响。