Anatomic Double Bundle Posterior Cruciate Ligament Reconstruction Using an Internal Splint.
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ABSTRACT:
SUBMITTER: Deal JB
PROVIDER: S-EPMC7301276 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:The posterior cruciate ligament (PCL) is known to be the main posterior stabilizer of the knee. Anatomic single-bundle PCL reconstruction, focusing on reconstruction of the larger anterolateral bundle, is the most commonly performed procedure. Because of the residual posterior and rotational tibial instability after the single-bundle procedure and the inability to restore the normal knee kinematics, an anatomic double-bundle PCL reconstruction has been proposed in an effort to re-create the native PCL footprint more closely and to restore normal knee kinematics. We detail our technique for an anatomic double-bundle PCL reconstruction using Achilles and anterior tibialis tendon allografts.
| S-EPMC4886264 | biostudies-literature
Project description:It is well known that the posterior cruciate ligament (PCL) is the main stabilizer to posterior tibial translation in the knee. Anatomic double-bundle reconstruction has recently been proposed to best restore posterior and rotational tibial instability, especially compared with a single-bundle PCL reconstruction (PCLR). Most publications in the peer-reviewed literature on double-bundle PCLR have used allografts. However, in many countries, allografts are not available. This Technical Note describes an all-autograft arthroscopic technique for PCLR using the quadriceps and semitendinosus tendons.
| S-EPMC6153390 | biostudies-other
Project description:Double-bundle anterior cruciate ligament (ACL) reconstruction (DBACLR) is a reasonable transition from single-bundle ACL reconstruction to obtain better clinical outcomes, and most authors believe that it can only be performed through a medial portal. However, in our clinical practice, we have found that anatomic DBACLR can be performed easily and exactly through transtibial tunnels just by positioning the tibial tunnels appropriately. Thus, we would like to introduce this anatomic double-bundle transtibial ACL reconstruction technique, in which the most critical step is to create a shallow tibial tunnel for the anteromedial bundle with a proximal projection to the anatomic location of the corresponding femoral tunnel. We believe this Technical Note will give an interesting view of anatomic DBACLR.
| S-EPMC7953165 | biostudies-literature
Project description:Cadaveric and clinical biomechanical studies show improved kinematic restoration using double-bundle anterior cruciate ligament (ACL) reconstruction techniques. These have been criticized in the past for being technically challenging. We present a novel 3-socket approach for anatomic "all-inside" double-bundle reconstruction using a single hamstring tendon fashioned to create a trifurcate graft: the TriLink technique. The semitendinosus alone is harvested, quadrupled, and attached to 3 suspensory fixation devices in a Y-shaped configuration, creating a 4-stranded tibial limb and 2 double-stranded femoral limbs. A medial viewing/lateral working arthroscopic approach is adopted using specifically designed instrumentation. Anatomic placement of the 2 femoral tunnels is performed by a validated direct measurement technique. A single mid-bundle position is used on the tibia. Both femoral and tibial sockets are created in a retrograde manner using outside-to-in drilling. This is a simplified operative technique for anatomic double-bundle ACL reconstruction that maximizes bone preservation. The TriLink construct replicates the 2 bundles of the ACL, conferring native functional anisometry and improving femoral footprint coverage while avoiding the complexities and pitfalls of double-tibial tunnel techniques. Preservation of the gracilis reduces the morbidity of hamstring harvest and allows greater flexibility in graft choice in cases requiring multiligament reconstruction.
| S-EPMC3986474 | biostudies-literature
Project description:The procedure for repairing the posterior cruciate ligament (PCL) has a steep learning curve and entails numerous difficult steps during surgery, because of the proximity of the neurovascular bundle, difficult passage of the graft through the posterior capsule, and risk of poor tibial fixation because of the long intramedullary trajectory of the graft. The use of instruments for retrograde reaming and a new device for adjustable cortical suspensory fixation allows for a safe, reproducible all-inside double-bundle PCL reconstruction by simplifying these difficult steps. We used anterior tibial allograft or hamstring autograft together with adjustable suspensory fixation devices that allow tensioning (after fixation) of the posterolateral bundle in extension and the anteromedial bundle in flexion.
| S-EPMC3678623 | biostudies-literature
Project description:The results of arthroscopic anterior cruciate ligament (ACL) reconstruction are so far satisfactory and improving over time as a result of the improved understanding of the anatomy and biomechanics of the ACL. Rotational instability confirmed by a positive pivot shift is present in more than 15% of cases who underwent successful ACL reconstruction. Persistent rotational instability interferes with performing pivoting sports, and also may lead to meniscal and chondral injuries, or re-rupture of the reconstructed ACL. Surgeons reconsidered the anatomy and biomechanics of the ACL and introduced the double bundle ACL reconstruction technique aiming to achieve a more rotational control by reconstructing the anteromedial and anterolateral bundles of the ACL. To date, the results of double bundle ACL reconstruction are mixed and inconsistent. The improved understanding of the existence, function, and biomechanical role of the anterolateral ligament (ALL) in controlling the rotational instability of the knee has redirected and refocused attention on a supplemental extra-articular reconstruction of the ALL in conjunction with the intra-articular ACL reconstruction so as to restore normal kinematics of the knee. In this Technical Note, we describe a technique that allows for a combined ACL and double bundle ALL reconstruction using autogenous hamstring graft (semitendinosus and gracilis) tendons. This technique is an extension of our previously described technique of a combined anatomic ACL and single bundle ALL reconstruction. The improved understanding of the anatomy of the ALL makes a double bundle ALL reconstruction more anatomic than single bundle ALL reconstruction, as the native ALL is triangular or inverted Y in shape, with a narrow proximal femoral attachment and a broad distal tibial attachment between Gerdy's tubercle and the head of the fibula.
| S-EPMC5621982 | biostudies-literature
Project description:The clinical results of posterior cruciate ligament reconstruction (PCL) still leave much room for improvement. To get better knee stability, the double-bundle reconstruction, the use of strong grafts, and the preservation of the remnant have been applied. However, the combination of the 3 measures has seldom been reported. Thus I introduce a 4-tunnel double-bundle PCL reconstruction technique, in which I combine the use of strong grafts and preservation of the remnant. The critical point of this technique is manipulating skillfully across the femoral notch with the preservation, as well as the hindrance to operation of the PCL remnant. My clinical experience indicates this technique is somewhat complicated but most effective. I believe the introduction of this technique will provide an additional choice when PCL reconstruction is to be performed.
| S-EPMC8556672 | biostudies-literature
Project description:A careful review of the literature suggests that a significant number of patients undergoing anterior cruciate ligament (ACL) reconstruction have less-than-optimal results. Although overall outcomes of ACL reconstruction are favorable, there remains considerable room for improvement. Anatomically, the ACL consists of 2 major functional bundles, the anteromedial bundle and the posterolateral bundle. Biomechanically, both bundles contribute significantly to the anterior and rotational stability of the knee. Therefore anatomic double-bundle ACL reconstruction techniques may further improve the outcomes in ACL surgery. This article presents a technique for arthroscopic double-bundle ACL reconstruction that includes the use of 2 femoral and 2 tibial tunnels to restore both the anteromedial and posterolateral bundles of the ACL with minimal hardware for fixation.
| S-EPMC3986487 | biostudies-literature
Project description:Anatomic double-bundle anterior cruciate ligament (ACL) reconstruction aims to restore the 2 functional bundles of the ACL in an attempt to better reproduce the native biomechanics of the injured knee and promote long-term knee health. However, this concept is not fully accepted and is not performed on a standard basis. In addition, the superiority of this technique over the conventional single-bundle technique has been questioned, especially the long-term clinical results. One of the down sides of the double-bundle reconstruction is the complexity of the procedure, with increased risks, operative time, and costs compared with the single-bundle procedure. Also, the revision procedure, if necessary, is more challenging. We propose a technique that has some advantages over the traditional double-bundle procedure, using a single femoral tunnel, 2 tibial tunnels, and a free quadriceps tendon autograft.
| S-EPMC5124427 | biostudies-literature
Project description:Anterior cruciate ligament reconstruction (ACLR) with additional procedures could be necessary for patients with increased preoperative pivot shift. Double-bundle (DB) ACLR provides more footprint coverage and recreates the 2 functional anteromedial (AM) and posterolateral (PL) bundles, which are believed to give better joint function and stability than single-bundle (SB) ACLR. Internal brace augmentation with suture tape is proposed along with tendon graft in ACLR to protect the newly reconstructed ligament during rehabilitation. Additional reconstruction with anterolateral ligament (ALL) during ACLR has shown significant reduction in the level of persistent pivot shift. In Technical Note we present a modified surgical technique of combined anatomic DB ACLR and ALLR with hamstring autograft and internal brace, using button suspensory fixation device and aperture screws. The objective of this technique is to decrease residual anterior and rotational instability after ACLR and ALLR.
| S-EPMC7953236 | biostudies-literature