[A prospective study of the anterior cruciate ligament reconstruction: allograft versus autograft].

Objective: To compare the clinical outcomes and differences of arthroscopic anterior cruciate ligament (ACL) reconstruction by using allografts and autografts.

Methods: Fifty-three patients with grade III ACL injuries were divided randomly into 2 groups. Twenty-five cases of group A with autografts of patellar bone-tendon-bone (B-PT-B;n = 15) and 4 strands of semitendinosus/gracilis (n = 10); 28 patients of group B with allografts of B-PT-B (n = 18), 4 strands of semitendinosus/2 strands of gracilis tendons (n = 6) and double tibialis posterior (n = 4) as well as Achilles bone-tendon (n = 2).

[Efficacy of intra-articular injection of sodium hyaluronate in post-operation treatment of the knee].

Objective: To investigate the effects of intra-articular injection of sodium hyaluronate in post-operation treatment of the knee.

Methods: From January 1998 to February 2001, 4 ml of sodium hyaluronate injection was injected into the knee joint of the 134 cases at the end of arthroscope operation, or the 91 cases undergoing open operation of the knee at the time when the drain tube was removed (treatment group). Five days after operation, the hydrarthrosis was removed and 2 ml of sodium hyaluronate was injected into the knee joint.