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Posterolateral rotatory instability is concerning pathology in patients with recalcitrant lateral elbow pain. An arthroscopic technique can be used to perform reconstruction of lateral collateral ligament for eradicating the instability and also to manage concomitant lesions in a simultaneous operation. Similar to the modified Brostrӧm procedure using an inferior extensor retinaculum to augment the lateral collateral ligament for lateral ankle instability, in our Technical Note, we use anconeus muscles and annular ligament to augment the lateral collateral ligament for elbow instability during the reconstruction, allowing all tissue to heal with the bone by using a knotless technique.Revision anterior cruciate ligament reconstruction (R-ACLR) has become more common as the number of failed primary ACLRs increase. Although increasingly common, R-ACLR has a greater failure rate than a primary reconstruction. Technical errors, particularly in tunnel placement, account for a large proportion of graft failure in R-ACLR as well as re-revision cases. Tunnel placement and trajectory is particularly important in R-ACLR and becomes more challenging with each additional revision attempt. This is in part because any tunnels created for revision may converge with formerly drilled tunnels or face interference hardware creating, complicating proper graft fixation. While there are many approaches to revision ACL surgery, our technique describes a simple, tibial tunnel-first graft-sizing method initially reaming tunnels with very small diameters and sequentially working your way up to more anatomic diameters.Injury to the medial compartment of the knee is the most common ligament injury to this joint. The medial approach must consider the presence of associated anteromedial instability. Untreated injury of these instabilities can result in failure of the other reconstructed ligaments. As treatment is usually associated with other ligaments, it is relevant that the technique could save grafts and synthetic material. This article aims to describe a technique for the treatment of anteromedial instabilities through semimembranosus tendon tenodesis in a more anterior and distal position, promoting the tensioning of the posteromedial structures.Anterior cruciate ligament (ACL) reconstruction is one of the most commonly performed orthopaedic sports procedures. Two main techniques are used for accomplishing an ACL reconstruction transtibial and anteromedial portal techniques. The transtibial technique has been criticized for its inability to create an anatomic femoral tunnel given the intrinsic constraint of the tibial tunnel during drilling. However, technical modifications of the transtibial technique can result in anatomic tunnel entrance positioning and a properly oriented graft. This Technical Note presents our technique for anatomic transtibial ACL reconstruction.Avascular necrosis of the femoral (AVN) head is a disabling disease that affects function, mobility, and quality of life in the young adult. Its pathology involves blood circulation disruption of the femoral head and subchondral infarction. This leads to cartilage thinning, femoral head depression, and cartilage breakage, which results in hip osteoarthritis. In the past decade the prevalence of intraarticular pathology has been almost 95%, this revealed with hip arthroscopy (HA). HA and core decompression (CD) of the femoral head can be used effectively and concomitantly to treat AVN with excellent results, HA allows for excellent visualization of the hip joint cartilage, allowing treatment of femoroacetabular impingement syndrome (FAIS) and intra-articular pathology. Our technique demonstrates that retrograde core decompression with allograft and mixed bone matrix is an excellent choice of treatment in the early stages of AVN/ONFH. The femoral head-specific aiming guide is very reliable, is simple to use arthroscopically if placed in the posterolateral portal of the hip, and offers exact pin placement at the necrotic site, as well as less operative time and less radiation to the patient and surgical team.Patients with hypermobile Ehlers-Danlos syndrome commonly present with painful shoulder disorders mostly represented by a multidirectional instability and with often painless episode of atraumatic shoulder dislocation and/or subluxation. Because of the generalized soft tissue fragility, most of the surgical treatments of shoulder instability, as the Bankart repair or the Latarjet procedure becomes not effective, exposing a risk of failure. selleck chemical Then, capsular plication has to be considered in order to reduce the articular joint volume and to diminish the mobility of the joint. Two main benefits of this surgical procedure are that it doesn't modify the anatomy or damage the labrum or cartilage that is healthy. The purpose of this Technical Note is to present the arthroscopic capsular plication for the treatment of patient with hypermobile Ehlers-Danlos syndrome, which is associated with a multidirectional shoulder instability.Knee stiffness with severe flexion and extension impediment is a common clinical condition that challenges orthopaedic surgeons. Arthroscopic release techniques have been reported, mostly for slight extension or flexion deficits. However, for severe flexion- and extension-impeding knee stiffness, especially when there is no intra-articular space in which to place the arthroscope, effective arthroscopic release techniques are still being pursued. We introduce a systemic arthroscopic release technique to address this special condition, in which a trans-infrapatellar fat pad release technique is developed to obtain access to the joint and to perform intra-articular and periarticular release, as well as scar tissue removal. One critical point of this technique is to create the posteromedial and posterolateral portals to re-establish the posterior compartments, remove the fibrotic posterior septum, and release the posterior capsule. This technique combines almost all related arthroscopic techniques in the treatment of knee stiffness. We consider that the introduction of this technique will provide a useful guide when surgical release is selected for this special condition.Mesenchymal stem cell treatment has become more widely available and has shown promising potential for the repair of knee articular cartilage defects. More recently, open arthrotomy has been performed via a para-patellar incision for cartilage repair using allogenic human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs). However, arthroscopy allows better visualization and leads to earlier gain of the range of motion and less scar formation than open arthrotomy, especially in the knee joint. In this study, we present an easy and effective technique for arthroscopic hUCB-MSCs implantation without any special equipment.Isolated patellofemoral osteoarthritis (PFOA) is a condition that affects climbing, squatting, and standing up movements in daily life and sports. Various surgical methods have been developed to address the various causes, different degrees of cartilage degeneration, and combined lesions. We describe an arthroscopic patellofemoral arthroplasty technique, with the main purpose to decrease the pain originating from the patellofemoral joint and related structures. The critical points of this technique are patellofemoral denervation and partial patellar facetectomy. Our clinical experience indicates that this technique is effective to address all kinds of PFOA. We consider that the introduction of this technique will provide a feasible choice when surgical treatment of PFOA is indicated.Medial clavicle excision is a rarely indicated procedure and may be performed in different pathologies affecting the medial clavicle. Excessive medial clavicle resection with an injury to the costoclavicular ligament often leads to poor postoperative results. The exact surgical treatment used in this kind of pathology when conservative treatment is unsuccessful remains unclear. The aim of this Technical Note is to describe our preferred surgical technique to treat this condition.Concomitant injuries of the 4 groups of ligaments of the knee are a serious condition and challenge the orthopaedic surgeon when reconstruction of all ligaments is needed. Staged reconstruction can be chosen owing to the complexity of the combined procedures; however, simultaneous reconstruction is favored to facilitate recovery. We describe a simultaneous anterior cruciate ligament (ACL), posterior cruciate ligament (PCL), posteromedial corner (PMC), and posterolateral corner (PLC) reconstruction technique, in which autografts are used and both cruciate ligaments are reconstructed in a single-bundle manner. We believe the introduction of this technique will familiarize surgeons with the principle of simultaneous 4-ligament reconstruction of the knee and the method of cruciate ligament balancing during bicruciate ligament reconstruction.Decreased posterior tibial slope has been associated with increased risk of graft failure and knee instability after posterior cruciate ligament (PCL) reconstruction. Premature physeal arrest at the tibial tubercle is a common cause of osseous genu recurvatum. Surgical management is recommended to correct the tibial slope and prolong the integrity of the PCL graft. This article discusses our preferred treatment using a proximal tibial opening wedge osteotomy for surgical management of posterior knee instability and genu recurvatum secondary to significant anterior tibial slope.Augmentation of the anterior glenoid with bone graft is an established treatment for recurrent anterior instability due to critical glenoid bone loss. Both open and arthroscopic techniques have been described. Fixation with metal screws through an open approach is the most common technique, but the risk of metal screw-related complications remains a concern. A variety of arthroscopic techniques using suspensory fixation or suture anchors have been described in the literature. However, they all require a posterior incision to insert a targeting device or to manage sutures. We describe a technique for arthroscopic bone grafting of the anterior glenoid via a purely anterior approach with 2 linked knotless suture anchors, thereby avoiding posterior suture management and glenoid metalwork complications.Anterior cruciate ligament reconstruction (ACLR) is one of the most common orthopedic procedures performed each year. The majority of patients undergoing these reconstructions will experience long-term stability and symptomatic relief; however, some will require a revision ACLR procedure. In general, revision ACLRs are more challenging than primary ACLRs due to several diagnostic and technical considerations. A revision ACLR can be performed with either a one-stage or two-stage procedure, which is based on the presence or absence of malpositioned tunnels, bone loss, and tunnel expansion. Recently, the introduction of preshaped allograft bone dowels as a bone grafting option has gained popularity. They provide immediate structural stability and avoid donor site morbidity associated with autografts. The purpose of this article is to outline a bone-grafting tunnel technique with cannulated allograft bone dowels soaked in bone marrow aspirate concentrate (BMAC) used in the first stage of a staged revision ACLR procedure.