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Lateral Extra-articular Tenodesis With Proximal Staple Fixation.

ABSTRACT: A technique for lateral extra-articular tenodesis using proximal staple fixation is described as an adjunct to anterior cruciate ligament (ACL) reconstruction. Lateral extra-articular tenodesis has been used in an effort to decrease failure rates in ACL-deficient patients with ligamentous laxity, prior failed ACL surgery, or grade 3 pivot-shift findings. Numerous surgeons have described combining ACL reconstruction with extra-articular surgery. The approach described in this article is easy and cost-effective. Moreover, because this technique uses a staple instead of a SwiveLock (Arthrex, Naples, FL) or other suture anchor, it limits the chance of conflicting with the tunnels for the ACL because there is no need to drill or punch additional tunnels.

SUBMITTER: Kwapisz A

PROVIDER: S-EPMC6823835 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Tibial anterolateral rotary instability associated with anterior cruciate ligament (ACL) tears is a well-documented and difficult problem with a long history of solutions. The lateral extra-articular tenodesis (LET) has undergone multiple refinements in technique, largely focusing on the femoral site insertion using either an interference screw versus a staple for adequate fixation. In this article, we present an improved technique using a suture anchor as an alternative to a staple or an interference screw with secure fixation to insert the LET graft onto the femur. This technique diminishes the chance of ACL tunnel–LET drilling convergence, minimizes the footprint required for adequate graft fixation, and allows the surgeon to dial in the correct tension necessary for adequate augmentation of an ACL reconstruction. Technique Video Video 1 Onlay technique of lateral extra-articular tenodesis (LET). The lateral aspect of a right knee is shown, with the patient positioned supine. The surgeon performs an approach to the iliotibial band, removing all subcutaneous tissue for adequate exposure starting approximately at the Gerdy tubercle and extending proximally about 8 cm. A distally based strip of the iliotibial band is harvested, approximately 1 cm in width, by use of separate incisions. A double-loaded 2.3-mm Iconix all-suture suture anchor is used for LET graft insertion. The graft is whipstitched with an arm of the suture anchor that is first passed underneath the lateral collateral ligament, followed by a simple suture pass through the graft by the other end of the same arm of the suture attached to the suture anchor. The fixation with 1 arm of the double-loaded Iconix suture anchor was enough to secure the graft appropriately, and the other suture within the double-loaded 2.3-mm Iconix suture anchor was removed prior to definitive fixation of the LET graft. Once the LET graft was appropriately stitched, the graft was passed underneath the lateral collateral ligament again, from distal to proximal, and then secured to the Iconix suture anchor.

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Lateral Extra-articular Tenodesis With Proximal Staple Fixation.

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