Annual endoscopic examinations can preserve the whole stomach in most patients with early gastric cancer after successful EMR.

Postoperative cerebral hyperperfusion is associated with impairment of cognitive function in patients undergoing CEA. Furthermore, the development of hyperperfusion syndrome is associated with the persistence of postoperative cognitive impairment.

Intraoperative rSO(2) monitoring can reliably identify patients at risk for hyperperfusion after CEA.

Pretreatment with edaravone can prevent occurrence of cerebral hyperperfusion after CEA.