Jeremy M Burnham

Ochsner · Department of Sports Medicine

PurposeQuadriceps strength and single-leg hop performance are commonly evaluated prior to return to sport after anterior cruciate ligament reconstruction (ACLR). However, few studies have documented potential hip strength deficits after ACLR, or ascertained the relative contribution of quadriceps and hip strength to hop performance. Methods Patient...

Background The purpose of this study was to determine the relationships between patient factors, mental health status, the condition of the local tissue, magnitude of bony deformity, and preoperative symptoms in a series of femoroacetabular impingement (FAI) patients. Methods From our single-surgeon, prospective outcomes registry, we identified 64...

Purpose of review: The purpose of this study is to review the basic concepts of healthcare value, patient outcome measurement, and cost-effectiveness analyses as they relate to the introduction of new surgical techniques and technologies in the field of orthopedic surgery. Recent findings: An increased focus on financial stewardship in healthcar...

Persistent rotatory knee laxity is increasingly recognized as a common finding after anterior cruciate ligament (ACL) reconstruction. While the reasons behind rotator knee laxity are multifactorial, the impact of the anterolateral knee structures is significant. As such, substantial focus has been directed toward better understanding these structur...

Tunnel malposition is one of the most common technical reasons for anterior cruciate ligament reconstruction failure. Small changes in tunnel placement can result in significant differences in outcome. More anatomic placement of the tunnels can lead to greater knee stability and a more accurate reproduction of native knee kinematics. This technical...

Background The pivot-shift test has become more consistent and reliable and is a meaningful outcome measurement after anterior cruciate ligament reconstruction (ACLR). Purpose/Hypothesis The purpose of this investigation was to assess patient-reported outcomes (PROs) and the quantitative pivot shift (QPS) preoperatively, at time zero immediately a...

Background: An individualized approach to anterior cruciate ligament reconstruction (ACLR) typically includes criteria-based postoperative rehabilitation. However, recent literature has suggested residual quadriceps weakness up to 12 months after ACLR, especially with a quadriceps tendon (QT) autograft. Hypothesis: The QT would have poorer quadr...

Background It is still uncertain how surgical reconstruction of the anterior cruciate ligament (ACL) is able to restore rotatory laxity of the involved joint. The desired amount of restraint applied by the ACL graft, as compared with the healthy knee, has not been fully clarified. Purpose To quantify the ability of single-bundle anatomic ACL recon...

Purpose Distal femur morphology has been shown to influence knee joint kinematics and may affect rotatory knee laxity. The purpose of this study was to determine the relationship between rotatory knee laxity and distal femoral morphology in patients with complete anterior cruciate ligament (ACL) rupture. It was hypothesized that increased posterior...

The ulnar nerve is most commonly compressed at the elbow in the cubital tunnel. Conservative and operative treatments have been applied for cubital tunnel syndrome. Surgical management options include decompression, medial epicondylectomy, and various anterior transposition techniques. We describe a novel technique of anterior transposition of the...

Objectives Recent literature has suggested residual quadriceps weakness up to 12 months after anterior cruciate ligament reconstruction (ACLR), especially with quadriceps tendon autograft. These studies, though, have not directly compared different autograft options. The primary objective of this study was to compare short-term quadriceps and hamst...

Objectives Bony morphologic characteristics have been demonstrated to increase the risk of anterior cruciate ligament (ACL) injury. While posterior femoral condyle condylar offset is an aspect of distal femoral bony morphology that has been reported to influence range of motion and other aspects of knee joint kinematics, it remains unclear whether...

Purpose: Lateral compartment acceleration and translation have been used to quantify rotatory knee laxity in the setting of anterior cruciate ligament (ACL) injury; however, their relationship remains elusive. The purpose of this study was to examine the correlation between lateral compartment acceleration and translation during pivot shift testin...

Background: The purpose of this study was to examine the relationship between distal femoral morphology and anterior cruciate ligament (ACL) injury, ACL reconstruction (ACLR) failure, and contralateral ACL injury. It was hypothesized that increased posterior femoral condylar depth, quantified as the lateral femoral condyle ratio, would correlate w...

Interindividual variations in knee laxity are poorly understood. Utilizing novel pivot shift arthrometers and patients in our ACL registry the magnitude of the pivot shift was found to vary between 0-14 mm of anterior translation in the lateral compartment. Increased tibial slope was found to influence the magnitude of the pivot shift, however, it...

Aims and Objectives Bony morphologic characteristics have been demonstrated to increase the risk of anterior cruciate ligament (ACL) injury. The purpose of the study was to examine distal femoral morphology relative to ACL injury, reconstruction failure, and contralateral ACL injury. It was hypothesized that an increased posterior femoral condylar...

The anterolateral structures of the knee have recently garnered considerable interest regarding their role in rotatory knee instability related to anterior cruciate ligament tears. Isolated anterior cruciate ligament reconstruction may not always restore rotatory stability of the knee. In these patients, additional procedures, such as lateral recon...

Case: We describe a case of delayed presentation of compartment syndrome in the anterior aspect of the thigh in a high school athlete. The patient had sustained a blow to the thigh 8 days prior to presentation, and had continued to practice football in the setting of undiagnosed coagulopathy. He presented with severe thigh pain and the inability t...

With increased knowledge and understanding of hip pathology, hip arthroscopy is rapidly becoming a popular treatment option for young patients with hip pain. Despite improved clinical and radiographic outcomes with arthroscopic treatment, some patients may have ongoing pain and less than satisfactory outcomes. While the reasons leading to failed hi...

Background: Given the high number of available patient-reported outcome (PRO) tools for patients undergoing shoulder surgery, comparative information is necessary to determine the most relevant forms to incorporate into clinical practice. Purpose: To determine the utilization and responsiveness of common PRO tools in studies involving patients u...

Shoulder instability is a common problem in contact sports such as the National Football League. Although many elite level football athletes will have shoulder magnetic resonance imaging (MRI) findings consistent with labral tearing on MRI, these imaging findings are not always correlated with symptomatic instability or functional limitations. It i...

Purpose: A deep lateral femoral notch (LFN) on lateral radiographs is indicative of ACL injury. Prior studies have suggested that a deep LFN may also be a sign of persistent rotatory instability and a concomitant lateral meniscus tear. Therefore, the purpose of this study was to evaluate the relationship between LFN depth and both quantitative mea...

As female athlete sports participation has continued to increase, the rate of anterior cruciate ligament (ACL) rupture in female athletes has also increased. Individualized, patient-specific treatment is crucial to achieving optimal outcomes; ACL reconstruction must accurately restore native ACL anatomy and address any concomitant injury to seconda...

Background Significant controversy exists regarding the anterolateral structures of the knee. Purpose To determine the layer-by-layer anatomic structure of the anterolateral complex of the knee. Study Design Descriptive laboratory study. Methods Twenty fresh-frozen cadaveric knees (age range, 38-56 years) underwent a layer-by-layer dissection to...

Variability in anatomic terminology, dissection protocols, and use of embalmed as opposed to fresh frozen specimens has led to the controversy surrounding the "anterolateral ligament of the knee." Conceptually the complex anatomy of the anterolateral knee is made up of the superficial, middle, deep, and capsulo-osseous layers of the iliotibial band...

Purpose/hypothesis: The purpose of this observational study was to determine which factors, including sex, are associated with increased rotatory knee laxity in collegiate athletes with no history of knee injuries. It was hypothesized that increased rotatory knee laxity, measured by a quantitative pivot shift test, would correlate with female sex,...

Context: The Y-Balance Test was developed as a test of dynamic postural control and has been shown to be predictive of lower extremity injury. However, the relationship between hip strength and performance on the Y-Balance Test has not been fully elucidated. Objective: The goal of this study was to identify the relationship between components of...

The anterolateral complex (ALC) of the knee plays an important role in rotatory knee stability, especially in anterior cruciate ligament (ACL)-deficient patients. There is considerable awareness of anterolateral rotatory instability secondary to reported high failure rates after ACL reconstruction. As such, there has been a renewed interest in l...

Objectives Persistent rotatory knee instability after anterior cruciate ligament (ACL) reconstruction is relatively common. While the causes of this persistent instability are multifactorial, bony morphologic characteristics have been proposed to play a role. Therefore, the purpose of this study was to evaluate the relationship between the well-des...

Objectives Patient reported outcomes (PROs) are increasingly used in orthopaedics as a tool to objectively assess subjective data and provide a sense of responsiveness to treatment. Unfortunately, there are several PROs and little data as to which outcome scores are most useful. The purpose of this study was to evaluate the utilization and responsi...

Objectives Autologous chondrocyte implantation (ACI) is a well established treatment for articular cartilage defects of the knee. However, few studies have examined return-to-work rates among ACI patients, and even fewer have investigated the effect of mental health on postoperative outcomes. The purpose of this study was to examine the effect of p...

Innovative biologic therapies continue to evolve for the treatment of orthopedic injuries. Platelet-rich plasma (PRP) and stem cells are at the forefront of these innovations designed to enhance the repair of tissues with high healing potential or augment the repair of tissues with limited healing potential and vascularity such as tendons, ligament...

Purpose: Posterior horn meniscal tears are commonly found in conjunction with anterior cruciate ligament (ACL) injury. Some believe tears in the posterior meniscocapsular zone, coined ramp lesions, are important to knee stability. The purpose of this study was to determine whether pre-operative MRI evaluation was able to accurately and reproducibl...

Injuries to the anterolateral complex of the knee can result in increased rotatory knee instability. However, to diagnose and treat patients with persistent instability properly, surgeons need to understand the multifactorial genesis as well as the complex anatomy of the anterolateral aspect of the knee in its entirety. While recent research focuse...

As the incidence of anterior cruciate ligament (ACL) reconstruction continues to increase, the rate of revision surgery continues to climb. Revision surgery has inherent challenges that must be addressed in order to achieve successful results. The cause of the primary ACL reconstruction failure should be determined, and careful preoperative plannin...

Eliminating rotatory knee instability during anterior cruciate ligament (ACL) reconstruction surgery is crucial to ensure patients return to normal function after ACL injury. While the ACL is generally considered the primary soft tissue restraint to antero-posterior laxity of the knee, several additional structures, such as the anterolateral comple...

Injuries to the anterior cruciate ligament can be associated with anterolateral capsular injuries. Recently, these capsular tears have been suggested to play an important role in rotatory knee instability. A critical review of the anterolateral complex of the knee is necessary to clarify nomenclatures of same structures and the complex anatomy of a...

Osseous blastomycosis of small bones of the pediatric hand is rare. A thirteen-year-old male was reported with a missed diagnosis of right ring finger blastomycosis osteomyelitis and six-week delay in treatment. He was treated successfully with surgical debridement and long term itraconazole. Blastomycosis should be considered in any patient with a...

Background: Younger patients and those with smaller hamstring autograft diameters have been shown to be at significantly greater risk of graft failure after anterior cruciate ligament (ACL) reconstruction. To date, there is no information in the literature about the clinical success and/or cost-effectiveness of increasing graft diameter by augment...

The clavicle is the most commonly broken bone in the human body, accounting for up to 5% to 10% of all fractures seen in hospital emergency admissions. Fractures of the middle third, or midshaft, are the most common, accounting for up to 80% of all clavicle fractures. Traditional treatment of midshaft clavicle fractures is usually nonoperative mana...

Persistent rotatory instability is often described in association with ACL reconstruction. Recent studies have drawn attention to the lateral sided knee structures as possible contributors to this instability. However, varying terminology and research methodology has made the results of these recent studies difficult to interpret. It is crucial tha...

Objectives: Evaluate the relationship of hip and trunk muscle function with the Single Leg Step-Down test (SLSD). Study Design: Laboratory study. Setting: Biomechanics Laboratory. Participants: 71 healthy participants with no history of anterior cruciate ligament (ACL) or lower extremity injury in the last 3 months completed this study (38 males...

Introduction: Incorrect tunnel placement is cited as one of the most common reasons for failure after ACL Reconstruction (ACL-R). Reaming the femoral tunnel through an anteromedial portal (AM) versus reaming it transtibially (TT) has been advocated as one way to improve positioning of the femoral tunnel. Oftentimes judgments about tunnel placement...

Purpose: To examine the outcomes and complications of medial patellofemoral ligament (MPFL) reconstruction and concomitant tibial tubercle (TT) transfer. Methods: A systematic review of published literature on MPFL reconstruction and TT transfer was performed using the following databases: PubMed/Medline, CINAHL (Cumulative Index to Nursing and...

Purpose: The purpose of this study was to perform a systematic review of the available literature to define the level of quality evidence for determining the sensitivity and specificity of different radiographic views in detecting knee osteoarthritis and to determine the impact of different grading systems on the ability to detect knee osteoarthri...

Pulmonary embolism is a life-threatening but treatable condition. Factors such as hypercoagulability and recent lower extremity surgery are associated with a higher incidence of thrombus formation and pulmonary embolism. Patients with sickle cell disease have a baseline hypercoaguable state and are at a greater risk forming deep vein thrombosis and...

Forearm lacerations involving muscle bellies are usually treated by repairing muscle fascia. Repair of tendons themselves is stronger and restores normal muscle anatomy better. Tendon repair requires good knowledge of forearm muscle and tendon anatomy. We have made cadaver measurements to produce graphical maps of locations of individual muscles te...

The occipital interhemispheric transtentorial approach is commonly used for pineal region tumors. However, there are few reports of this approach for lesions in the superior cerebellum. We present a 47-year-old male patient with an incidental cystic lesion in the superior cerebellum, detected on MRI consistent with cerebellar hemangioblastoma. The...