Arthroscopic reconstruction of anterior cruciate ligament with preservation of the remnants / 中国矫形外科杂志

[Objective]To evaluate the technique and outcome of arthroscopic reconstruction of anterior cruciate ligament (ACL) with preservation of the remnents.[Method]From June 2005 to May 2006, 28 knees with ACL tear in 28 patients were verified with arthroscopy in this department.Of them,8 knee were combined with lateral meniscus tear and 6 combined with medial meniscus tear. All the damaged ACLs were reconstructed with single bundle of autogenous quadrupled hamstring tendons under arthroscopy without remove of the remnants of ACL. Bioabsorbable interference screw was used for direct anatomic fixation of the reconstructed ligament.[Result]No severe complication occurred in early stage after operation in the 28 patients.All of them were followed up for 12 to 24 months with an average of 18 months. Lysholm score was remarkablely improved from 46～80 (mean 60.75?9.54) preoperatively to 85～100 (mean 95.89?6.24) at the latest follow up (P

Combined posterior cruciate ligament with posterolateral corner injuries of the knee / 中国矫形外科杂志

[Objective]To explore the clinical characteristic of combined posterior cruciate ligament (PCL) with posterolateral corner (PLC) injuries,and evaluate the technique and outcome of arthroscopic single bundle reconstruction of PCL and reconstruction of PLC with posterior half of biceps femoris tendon.[Method]From Dec. 2001 to Dec. 2004,14 patients (14 knees) with severe posterior and posterolateral rotatory instability were treated surgically in our department,all of them presented III degree positive results of posterior drawer test,positive varus stress test and more than 10 degree of external rotation of the affected knees compared with the intact knees.PCL tear and abnormal opening of posterolateral compartment were seen in all of the 14 knees under arthroscopy.Of them,2 knee were combined with common peroneal nerve injury.All the damaged PCLs were reconstructed with single bundle of autogenous quadrupled hamstring tendons under arthroscopy,and PLCs were reconstructed with the posterior half of biceps femoris tendon tenodesis.[Result]No severe complications occurred in early stage after operation in the 14 patients.All of them were followed up from 12 to 33 months with an average of 21.14?7.26 months.Posterior stabilities were recovered significantly,varus stress test was negative at 30 degree of flexion and full extension,less than 10 degree of external rotation compared with the intact knee in all of the patients.Lysholm score was remarkable improved from 40~60 (mean 47.1?8.25) preoperatively to 70~95 ( mean 86.79?7.23) at follow up(P