Double-layer versus single-layer bone-patellar tendon-bone anterior cruciate ligament reconstruction: a prospective randomized study with 3-year follow-up

Purpose To evaluate the clinical results of a randomized controlled trial of single-layer versus double-layer bone-patellar tendon-bone (BPTB) anterior cruciate ligament (ACL) reconstruction. Methods Fifty-eight subjects who underwent primary ACL reconstruction with a BPTB allograft were prospective...

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Bibliographic Details
Published in:Archives of orthopaedic and trauma surgery 2016-12, Vol.136 (12), p.1733-1739
Main Authors: Mei, Xiaoliang, Zhang, Zhenxiang, Yang, Jingwen
Format: Article
Language:English
Subjects:
Adult
Anterior Cruciate Ligament - surgery
Anterior Cruciate Ligament Injuries - diagnosis
Anterior Cruciate Ligament Injuries - physiopathology
Anterior Cruciate Ligament Injuries - surgery
Anterior Cruciate Ligament Reconstruction - methods
Arthroscopy and Sports Medicine
Bone Transplantation - methods
Female
Follow-Up Studies
Humans
Knee
Knee Injuries - diagnosis
Knee Injuries - physiopathology
Knee Injuries - surgery
Lysholm Knee Score
Male
Medicine
Medicine & Public Health
Muscle Strength - physiology
Orthopedics
Patella - transplantation
Patellar Ligament - surgery
Patient Satisfaction
Prospective Studies
Range of Motion, Articular - physiology
Tendons - transplantation
Transplantation, Homologous
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Summary:Purpose To evaluate the clinical results of a randomized controlled trial of single-layer versus double-layer bone-patellar tendon-bone (BPTB) anterior cruciate ligament (ACL) reconstruction. Methods Fifty-eight subjects who underwent primary ACL reconstruction with a BPTB allograft were prospectively randomized into two groups: single-layer reconstruction ( n  = 31) and double-layer reconstruction ( n  = 27). The following evaluation methods were used: clinical examination, KT-1000 arthrometer measurement, muscle strength, Tegner activity score, Lysholm score, subjective rating scale regarding patient satisfaction and sports performance level, graft retear, contralateral ACL tear, and additional meniscus surgery. Results Forty-eight subjects (24 in single-layer group and 24 in double-layer group) who were followed up for 3 years were evaluated. Preoperatively, there were no differences between the groups. At 3-year follow-up, the Lachman and pivot-shift test results were better in the double-layer group ( P  = 0.019 and P  
ISSN:0936-8051
1434-3916
DOI:10.1007/s00402-016-2548-z