[Clinical study of application minimally invasive expandable channel in lumbar discectomy and interbody fusion and internal fixation].

Objective: To explore the advantages of minimally invasive expandable in surgery of lumbar discectomy and interbody fusion and internal fixation.

Methods: The clinical data of 48 patients who underwent lumbar discectomy and interbody fusion and internal fixation from January 2010 to March 2016 was retrospectively analyzed. According to the admission queue, the patients were randomly assigned into channel group (26 cases) or traditional group (22 cases).

[Risk early warning and multimodal prevention of postoperative venous thromboembolism for hip fractures].

Objective: To study the efficacy and safety of multimodal prevention of postoperative venous thromboembolism for hip fractures.

Methods: From March 2009 to July 2011, preoperatively, patients were assigned to two groups on the basis of an assessment of their risk factors. One hundred and twelve patients were considered to be low risk, involving 47 males and 65 females,with an average age of (72.