Pre-anesthetic use of butorphanol for the prevention of emergence agitation in thoracic surgery: A multicenter, randomized controlled trial.

Background: Emergence agitation (EA) is common in patients after general anesthesia (GA) and is associated with poor outcomes. Patients with thoracic surgery have a higher incidence of EA compared with other surgery. This study aimed to investigate the impact of pre-anesthetic butorphanol infusion on the incidence of EA in patients undergoing thoracic surgery with GA.

[Results of the endoscopic screening program of esophageal and gastric cardia cancers using iodine staining in Feicheng, Shandong Province, from 2006 to 2012].

Objective: To investigate the prevalence of esophageal and gastric cardia cancer and various precancerous lesions in high-risk rural areas.

Methods: Random cluster sampling method was used to select people aged 40-69 years of some natural villages as screening objects in Feicheng, Shangdong province, from 2006 to 2012. The screening program was conducted by endoscopy with iodine staining and indicative biopsy followed by pathological examination.