Influence of obstructive sleep apnea on postoperative cognitive dysfunction in elderly patients undergoing joint replacement.

Objective: To clarify the influence of obstructive sleep apnea (OSA) on postoperative cognitive dysfunction (POCD) in elderly patients undergoing joint replacement.

Methods: This study retrospectively enrolled130 patients who underwent joint replacement in the Department of Orthopaedics of Taizhou Municipal Hospital between January 2019 and March 2021 for analysis. According to polysomnography (PSG) results, 80 patients without OSA were included in group A and 50 with OSA were assigned to group B.

[Treatment of floating knee injury in children with elastic intramedullary nail].

Objective: To observe the clinical effect of elastic intramedullary nail in minimally invasive treatment of floating knee injury in children.

Methods: From January 2009 to September 2017, 11 children with floating knee injury were treated with one-off open reduction and elastic intramedullary nail or external fixator fixation, including 7 males and 4 females, aged 5.0 to 11.