[Experimental study on Yougui recipe in preventing osteolysis surrounding artificial prosthesis].

Objective: To explore effects of Yougui recipe (see text) and salmon calcitonin acetate in preventing osteolysis surrounding artificial prosthesis.

Methods: Thirty-two SD male rats with weighted (250 +/- 20) g, aged 8 weeks, were randomly divided into four groups: blank group, model group, salmon calcitonin acetate group and Yougui recipe (see text) group, and 8 rats in each group. Blank group did not undergo any process, other 24 rats underwent anesthesia by chloral hydrate, their knee joints were exposed through medial patellar side,drilling from fermoral condyle nest to marrow cavity,high density of polythlene particles were injected into hole, titanium nail were put into, bone wax closed the window, then suturing step by step.

[Case-control study on application of auricular acupuncture for the treatment of analgesia during perioperative period in total hip arthroplasty].

Objective: To investigate clinical effects of auricular acupoint (AA) in the treatment of analgesia during perioperative period in total hip arthroplasty.

Methods: From March 2008 to August 2010, 60 patients with late osteonecrosis of the femoral head were treated by total hip arthroplasty and randomly divided into auricular acupuncture (AA) group and control group, 30 patients in each group. There were 11 males and 19 females in the AA group,with an average age of (60.