title: Comparison of hamstring tendon autograft and tibialis anterior allograft in arthroscopic transtibial single-bundle posterior cruciate ligament reconstruction.
abstract: OBJECTIVE
  To compare the outcomes between hamstring tendon autograft and tibialis anterior allograft in arthroscopic transtibial single-bundle posterior cruciate ligament (PCL) reconstruction.
  
  
  METHODS
  Thirty-seven patients undergoing isolated single-bundle PCL reconstruction were enrolled in this study, and their data were retrospectively analyzed. They were divided into group A [4-strand hamstring tendon autograft (4SHG), n = 18] and group B [2-strand tibialis anterior allograft (2STAG), n = 19] and followed up for 2 years at least. Several parameters including the International Knee Documentation Committee score, Lysholm knee score, Tegner activity rating and knee laxity arthrometer were evaluated, and physical examination was performed preoperatively and postoperatively, and postoperative complications were also observed in all patients. Meanwhile, the postoperative posterior instability was compared between the affected knee and the contra-lateral knee.
  
  
  RESULTS
  Compared with preoperative knee laxity and function, both groups had significant improvement postoperatively (P < 0.01). However, there were no significant differences in knee laxity and function between both groups (n.s.). Compared with contra-lateral knee, the posterior stability was worse in the affected knee (P < 0.01).
  
  
  CONCLUSIONS
  The outcomes were similar between 4SHG or 2STAG in PCL reconstruction. Compared with contra-lateral knees, the affected knees have slight residual knee laxity in both groups.
  
  
  METHODS
  Retrospective comparative study, Level III.
authors.affiliation: Department of Joint Surgery and Sports Medicine, Shengjing Hospital, China Medical University, No. 39, Huaxiang Road, Tiexi District, Shenyang, 110022, China.
authors.forename: Bin
authors.initials: B
authors.lastname: Li
authors.affiliation: Department of Joint Surgery and Sports Medicine, Shengjing Hospital, China Medical University, No. 39, Huaxiang Road, Tiexi District, Shenyang, 110022, China.
authors.forename: Jia-Shi
authors.initials: JS
authors.lastname: Wang
authors.affiliation: Department of Joint Surgery and Sports Medicine, Shengjing Hospital, China Medical University, No. 39, Huaxiang Road, Tiexi District, Shenyang, 110022, China.
authors.forename: Ming
authors.initials: M
authors.lastname: He
authors.affiliation: Department of Joint Surgery and Sports Medicine, Shengjing Hospital, China Medical University, No. 39, Huaxiang Road, Tiexi District, Shenyang, 110022, China.
authors.forename: Guang-Bin
authors.initials: GB
authors.lastname: Wang
authors.affiliation: Department of Joint Surgery and Sports Medicine, Shengjing Hospital, China Medical University, No. 39, Huaxiang Road, Tiexi District, Shenyang, 110022, China.
authors.forename: Peng
authors.initials: P
authors.lastname: Shen
authors.affiliation: Department of Joint Surgery and Sports Medicine, Shengjing Hospital, China Medical University, No. 39, Huaxiang Road, Tiexi District, Shenyang, 110022, China. kaishitengfei@163.com.
authors.forename: Lun-Hao
authors.initials: LH
authors.lastname: Bai
mesh_terms: D000328:Adult; D001182:Arthroscopy / Q000379:methods*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007593:Joint Instability / Q000175:diagnosis / Q000209:etiology / Q000601:surgery*; D007718:Knee Injuries / Q000150:complications / Q000175:diagnosis / Q000601:surgery*; D065466:Lysholm Knee Score; D008297:Male; D016119:Posterior Cruciate Ligament / Q000293:injuries / Q000601:surgery*; D019651:Plastic Surgery Procedures / Q000379:methods*; D012189:Retrospective Studies; D013710:Tendons / Q000637:transplantation*; D013977:Tibia / Q000601:surgery*; D014182:Transplantation, Autologous; D014184:Transplantation, Homologous
keywords: Arthroscopy; Hamstring tendon autograft; Posterior cruciate ligament; Reconstruction; Tibialis anterior allograft