Dataset Information

Primary Anterior Cruciate Ligament Single-Bundle Repair With Augmentation for a Partial Anterior Cruciate Ligament Tear.

ABSTRACT: Although anterior cruciate ligament (ACL) reconstruction remains the gold standard for the treatment of ACL tears, repair is regaining popularity as a treatment option for proximal or distal ACL avulsions. Historically, ACL repairs had poor outcomes. To remedy this, techniques were developed using graft-based augmentation but never gained widespread popularity. Recently, there has been a renewed interest in primary ligament repairs, with newer techniques incorporating modern synthetic materials to augment the repair site. The term "internal bracing," or ligament repair with augmentation, has been used to describe the new philosophy for primary ligament repair and augmentation. We present our technique for arthroscopic primary ACL repair with augmentation for a proximal posterolateral bundle tear. The advantages of this technique include preservation of the intact fibers of the anteromedial bundle, intuitive suture augmentation with standard ACL tunnel placement techniques, and the ability to calibrate ligament tension.

SUBMITTER: Gipsman AM

PROVIDER: S-EPMC5982235 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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Primary Anterior Cruciate Ligament Single-Bundle Repair With Augmentation for a Partial Anterior Cruciate Ligament Tear.

Gipsman Aaron Michael AM Trasolini Nicholas N Hatch George F Rick GFR

Arthroscopy techniques 20180319 4

Although anterior cruciate ligament (ACL) reconstruction remains the gold standard for the treatment of ACL tears, repair is regaining popularity as a treatment option for proximal or distal ACL avulsions. Historically, ACL repairs had poor outcomes. To remedy this, techniques were developed using graft-based augmentation but never gained widespread popularity. Recently, there has been a renewed interest in primary ligament repairs, with newer techniques incorporating modern synthetic materials ...[more]

PMID: 29868406

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Project description:ObjectivesPartial ACL tears are increasingly recognized in young active patients. They can evolve into complete tears. Controversy exists regarding the need to spare intact ACL bundle as it has its advantages considering biomechanical strength, blood supply and proprioception. The current study determined the challenges in partial ACL tear management and assessed the functional outcomes.MethodsTwenty consecutive patients with partial ACL tears were studied. Inclusion criteria were: age 16-45yrs and patients operated for partial ACL tear. Exclusion criteria were: combined ACL-PCL injuries, associated collateral injuries, complete ACL tear, chondral defect or bony malalignment and patients with radiographic signs of arthritis. 'Partial' tear was defined as continuous fibers from native tibial ACL footprint to native femoral ACL footprint in arthroscopy. Clinical and radiological assessment was done to evaluate anteromedial(AM) or posterolateral(PL) bundle tears. We used the term "ACL-augmentation" without disturbing the intact bundle or preserving the intact fibers as much as possible. Functional scoring was done using Lysholm score. Standard post-operative protocols were followed. Statistical analysis was done using SPSS software.ResultsMean age of patients was 31.2 years. Physically active age group (<30yrs) included 62.5% patients. Males were 87.5%. Pain and instability were the presenting complaints in 75% and 70% respectively. Average duration of presentation since injury was 4.2 months. Sports activities were the most common mode of injury (45%) followed by road traffic accidents (37.5%). Anterior drawer test was positive in 40%, pivot shift in 35% and Lachman test was positive in 65%. On arthroscopy, 65% had AM bundle tears and 35% had PL bundle tears. The intact bundle was found lax in 13% cases. Associated meniscal tear was present in 28% patients. Stiff knee was the most common post-operative complaint. Preoperative Lysholm knee score of 74.5 improved to 87.7 at 12months (p < 0.001). Around 97.5% of the patients reported outcomes as good and fair.ConclusionThe treatment strategy needs to be individualized. The ACL augmentation needs more systematic and accurate placement of portals while sparing the intact ACL fibers. For AM bundle, tibial tunnel entry point is about 1-2 cm medial to tibial tuberosity. For PL bundle, it is about 3-4 cm medial to tibial tuberosity to protect the AM bundle. Long term studies with greater number of subjects are required.

Dataset Information

Primary Anterior Cruciate Ligament Single-Bundle Repair With Augmentation for a Partial Anterior Cruciate Ligament Tear.

Publications

Primary Anterior Cruciate Ligament Single-Bundle Repair With Augmentation for a Partial Anterior Cruciate Ligament Tear.

Similar Datasets

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