Effect of intraoperative intravenous esketamine on postoperative delirium in older patients undergoing hip fracture surgery: protocol for a randomised, double-blind, placebo-controlled trial.

Introduction: Postoperative delirium (POD) is a common complication after hip fracture surgery in older patients. Esketamine may be beneficial in alleviating the occurrence of POD. Our trial aim is to investigate whether the intravenous administration of esketamine can improve POD in older patients undergoing surgery for hip fracture.

[Tissue adhesive combined with amniotic membrane adhering in the treatment of ocular burns].

Purpose: To investigate the surgical technique and its usefulness of tissue adhesive combined with amniotic membrane adhering, a new surgical procedure for ocular burns.

Methods: Thirty-four eyes from 29 patients with ocular burns participated in the study, grade II -III 9 eyes, grade IV 25 eyes . In 25 eyes with burn of grade IV, 7 eyes experienced complete (100%) limbal ischemia, 18 had partial (less than 100%) limbal ischemia, and 12 with severe conjunctival necrosis had sclera involved.