Dennis E. Kramer
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View article: How much improvement in patient reported outcomes after isolated medial patellofemoral ligament reconstruction is associated with surgeon-defined satisfactory outcomes? A JUPITER study
How much improvement in patient reported outcomes after isolated medial patellofemoral ligament reconstruction is associated with surgeon-defined satisfactory outcomes? A JUPITER study Open
Level 4 retrospective review of prospectively collected data.
View article: Poster 206: Comparative Analysis of Patient Reported Outcome at 1 Year after Bridge Enhanced ACL Restoration
Poster 206: Comparative Analysis of Patient Reported Outcome at 1 Year after Bridge Enhanced ACL Restoration Open
Objectives: To review patient outcome measures at 1 year in patients who underwent the Bridge-Enhanced-ACL-Restoration (BEAR) procedure in the BEAR III clinical trial. Methods: Prospective analysis was performed for 151 consecutive patient…
View article: Postcommercialisation outcomes of bridge‐enhanced anterior cruciate ligament restoration: The first 100 Bridge registry patients
Postcommercialisation outcomes of bridge‐enhanced anterior cruciate ligament restoration: The first 100 Bridge registry patients Open
Purpose To review adverse events and outcomes at least 1 year postoperatively from Bridge enhanced ACL restoration (BEAR) in the first 100 subjects of the Bridge registry, a postcommercialisation prospective cohort. Methods Consecutive BEA…
View article: Open Versus Arthroscopic Fixation of Tibial-Sided Posterior Cruciate Ligament (PCL) Avulsion Fractures in Pediatric and Adolescent Athletes
Open Versus Arthroscopic Fixation of Tibial-Sided Posterior Cruciate Ligament (PCL) Avulsion Fractures in Pediatric and Adolescent Athletes Open
Background: Posterior cruciate ligament (PCL) avulsion fractures pose unique technical challenges for surgical fixation in the pediatric and adolescent population. Both arthroscopic and open management have been pursued; nonetheless, the l…
View article: Septic Arthritis After Anterior Cruciate Ligament Reconstruction: A Comparative Study of Pediatric, Adolescent, and Young Adult Populations
Septic Arthritis After Anterior Cruciate Ligament Reconstruction: A Comparative Study of Pediatric, Adolescent, and Young Adult Populations Open
Background: Limited evidence exists regarding septic arthritis (SA) after anterior cruciate ligament reconstruction (ACLR) in pediatric and adolescent patients. Purpose/Hypothesis: The purpose of this study was to compare post-ACLR SA case…
View article: Variation in Surgical Technique for Medial Patellofemoral Ligament Reconstruction in Skeletally Immature Patients: Data From the JUPITER Prospective Multicenter Study Group
Variation in Surgical Technique for Medial Patellofemoral Ligament Reconstruction in Skeletally Immature Patients: Data From the JUPITER Prospective Multicenter Study Group Open
Background: Management approaches and surgical techniques for patellofemoral instability (PFI) continue to lack clear clinical guidelines and indications. Medial patellofemoral ligament reconstruction (MPFLR) is the most frequently used su…
View article: Athletic Identity Associations in Young Sports Medicine Patients
Athletic Identity Associations in Young Sports Medicine Patients Open
Introduction: Few studies have assessed athletic identity levels in young patients. This study examined athletic identity in adolescents and explored associations between athletic identity, patterns of sport participation, and coping skill…
View article: Paper 08: Arthroscopic Bankart Repair for Anterior Glenohumeral Instability in Adolescent Athletes: Risk Factors for Subsequent Revision Stabilization
Paper 08: Arthroscopic Bankart Repair for Anterior Glenohumeral Instability in Adolescent Athletes: Risk Factors for Subsequent Revision Stabilization Open
Objectives: Adolescent athletes with a primary anterior glenohumeral dislocations have been shown to have a relatively high incidence of recurrent instability. Evolving evidence on this topic has led to increasing rates of arthroscopic sta…
View article: Poster 289: Impact of Graft Selection on Clinical Outcomes following Isolated MPFL Reconstruction in Adolescent and Young Adult Athletes
Poster 289: Impact of Graft Selection on Clinical Outcomes following Isolated MPFL Reconstruction in Adolescent and Young Adult Athletes Open
Objectives: Patellofemoral instability (PFI) commonly requires surgical intervention in adolescent and young adult athletes. However, the clinical impact of graft selection, which may vary amongst surgeons, has not been well studied. The p…
View article: Arthroscopic Bankart Repair for Anterior Glenohumeral Instability in 488 Adolescents Between 2000 and 2020: Risk Factors for Subsequent Recurrent Instability Requiring Revision Stabilization
Arthroscopic Bankart Repair for Anterior Glenohumeral Instability in 488 Adolescents Between 2000 and 2020: Risk Factors for Subsequent Recurrent Instability Requiring Revision Stabilization Open
Background: After arthroscopic Bankart repair (ABR) for anterior glenohumeral instability (GHI), adolescent athletes have higher rates of subsequent recurrent GHI than any other subpopulation. Elucidating which adolescents are at highest r…
View article: Outcomes of treatment of patella fractures in children and adolescents
Outcomes of treatment of patella fractures in children and adolescents Open
Purpose: The purpose of this study is to assess clinical and functional outcomes in separate cohorts of operatively and nonoperatively managed pediatric patella fractures. Methods: A retrospective review was completed for patients aged 5–1…
View article: Prevalence and Predictors of Concomitant Meniscal Surgery During Pediatric and Adolescent ACL Reconstruction: Analysis of 4729 Patients Over 20 Years at a Tertiary-Care Regional Children's Hospital
Prevalence and Predictors of Concomitant Meniscal Surgery During Pediatric and Adolescent ACL Reconstruction: Analysis of 4729 Patients Over 20 Years at a Tertiary-Care Regional Children's Hospital Open
Background: The rate of concomitant meniscal procedures performed in conjunction with anterior cruciate ligament (ACL) reconstruction is increasing. Few studies have examined these procedures in high-risk pediatric cohorts. Hypotheses: Tha…
View article: Knee Flexion Angle of Fixation During Anterolateral Ligament Reconstruction or Lateral Extra-articular Tenodesis: A Systematic Review and Meta-analysis of Lateral Extra-articular Reinforcement Techniques Performed in Conjunction With ACL Reconstruction
Knee Flexion Angle of Fixation During Anterolateral Ligament Reconstruction or Lateral Extra-articular Tenodesis: A Systematic Review and Meta-analysis of Lateral Extra-articular Reinforcement Techniques Performed in Conjunction With ACL Reconstruction Open
Background: Anterolateral ligament reconstruction (ALLR) or lateral extra-articular tenodesis (LET) is being used more frequently in conjunction with anterior cruciate ligament reconstruction (ACLR). However, the knee flexion angle at whic…
View article: Effect of Age and Sex on Anterior Cruciate Ligament Functional Tests Approximately 6 Months After Anterior Cruciate Ligament Reconstruction
Effect of Age and Sex on Anterior Cruciate Ligament Functional Tests Approximately 6 Months After Anterior Cruciate Ligament Reconstruction Open
Level III, retrospective review of prospective cohort study.
View article: Poster 353: LOWER PSYCHOLOGICAL READINESS FOR RETURN TO SPORT AFTER ACL RECONSTRUCTION IS ASSOCIATED WITH REDUCED PERFORMANCE AND GREATER LIMB ASYMMETRY ON FUNCTIONAL TESTING
Poster 353: LOWER PSYCHOLOGICAL READINESS FOR RETURN TO SPORT AFTER ACL RECONSTRUCTION IS ASSOCIATED WITH REDUCED PERFORMANCE AND GREATER LIMB ASYMMETRY ON FUNCTIONAL TESTING Open
Objectives: The relationship between psychological and physical readiness for return to sport after anterior cruciate ligament reconstruction (ACLR) is not well understood. Psychological stress and psychological readiness were therefore ev…
View article: Paper 37: Peri-Operative Complications, Safety, and Early Outcomes of a Novel ACL+ALL Reconstruction Technique using Iliotibial Band Autograft vs. Patellar Tendon ACL Reconstruction: A Retrospective Pilot Study of the SATURN (Skeletally-Mature ACLR Technique Using Reinforcement Network) Study Group
Paper 37: Peri-Operative Complications, Safety, and Early Outcomes of a Novel ACL+ALL Reconstruction Technique using Iliotibial Band Autograft vs. Patellar Tendon ACL Reconstruction: A Retrospective Pilot Study of the SATURN (Skeletally-Mature ACLR Technique Using Reinforcement Network) Study Group Open
Objectives: The iliotibial band (ITB) autograft has been historically used for physeal-sparing ACL reconstructions (ACLR) in skeletally immature children (Modified-Macintosh/Micheli-Kocher technique), with an extra-articular component that…
View article: Paper 27: Preoperative Risk Factors of Subsequent Ipsilateral ACL Revision Surgery following an ACL Restoration Procedure
Paper 27: Preoperative Risk Factors of Subsequent Ipsilateral ACL Revision Surgery following an ACL Restoration Procedure Open
Objectives: To identify the preoperative risk factors for revision ACL surgery within the first two years after BEAR ACL repair procedure. Methods: Data from the prospective BEAR I, II, and III trials were used to determine preoperative ri…
View article: Poster 326: Concomitant Meniscal and Ligamentous Injuries Associated with Pediatric and Adolescent ACL Tears: Data from the Boston Children’s Hospital ACL Registry
Poster 326: Concomitant Meniscal and Ligamentous Injuries Associated with Pediatric and Adolescent ACL Tears: Data from the Boston Children’s Hospital ACL Registry Open
Objectives: There has been a well-documented increase in pediatric and adolescent ACL injuries and surgery in recent years, especially in athletes. ACL tears are infrequently isolated injuries, as there are known associated concomitant inj…
View article: Poster 347: PSYCHOLOGICAL READINESS AFTER REVISION ACL RECONSTRUCTION: A ROAR STUDY
Poster 347: PSYCHOLOGICAL READINESS AFTER REVISION ACL RECONSTRUCTION: A ROAR STUDY Open
Objectives: Background: Revision ACL reconstruction (ACLR) has demonstrated worse functional outcomes and higher reinjury rates in young patients. Psychological associations with revision surgery have not previously been evaluated. Purpose…
View article: Effect of Age and Sex on Psychological Readiness and Patient-Reported Outcomes 6 Months After Primary ACL Reconstruction
Effect of Age and Sex on Psychological Readiness and Patient-Reported Outcomes 6 Months After Primary ACL Reconstruction Open
Background: Successful return to sport after anterior cruciate ligament (ACL) reconstruction (ACLR) can be affected by a patient’s physical and psychological state throughout the rehabilitation process. Purpose: To prospectively compare di…
View article: Revision Anterior Cruciate Ligament Reconstruction With Quadriceps Tendon And Lateral Extra-Articular Tenodesis : Mid-To Long-Term Clinical, Radiological and Functional Results
Revision Anterior Cruciate Ligament Reconstruction With Quadriceps Tendon And Lateral Extra-Articular Tenodesis : Mid-To Long-Term Clinical, Radiological and Functional Results Open
As the first study to date to examine psychological readiness to return to sport in young patients after revision ACLR, at 6-months post-surgery, revision ACLR patients had lower psychological readiness scores, inferior knee functional out…
View article: Quantitative MRI Biomarkers to Predict Risk of Reinjury Within 2 Years After Bridge-Enhanced ACL Restoration
Quantitative MRI Biomarkers to Predict Risk of Reinjury Within 2 Years After Bridge-Enhanced ACL Restoration Open
Background: Quantitative magnetic resonance imaging (qMRI) methods were developed to establish the integrity of healing anterior cruciate ligaments (ACLs) and grafts. Whether qMRI variables predict risk of reinjury is unknown. Purpose: To …
View article: Changes in the Cross-Sectional Profile of Treated Anterior Cruciate Ligament Within 2 Years After Surgery
Changes in the Cross-Sectional Profile of Treated Anterior Cruciate Ligament Within 2 Years After Surgery Open
Background: The cross-sectional area (CSA) of the anterior cruciate ligament (ACL) and reconstructed graft has direct implications on its strength and knee function. Little is known regarding how the CSA changes along the ligament length a…
View article: Descriptive Epidemiology of a Surgical Patellofemoral Instability Population of 492 Patients
Descriptive Epidemiology of a Surgical Patellofemoral Instability Population of 492 Patients Open
Background: Patellofemoral instability (PFI) occurs most commonly in pediatric and adolescent patients, with evolving indications for surgery and changes in surgical techniques over the past decade. Purpose: To characterize the demographic…
View article: Poster 234: Radiographic Predictors of Failure of Patellar Instability Surgery in Adolescents
Poster 234: Radiographic Predictors of Failure of Patellar Instability Surgery in Adolescents Open
Objectives: Adolescents often benefit from surgical management of recurrent patellofemoral instability (PFI). However, the debate continues as to which preoperative radiographic factors can be used to predict the risk of failure of patella…
View article: Poster 235: Surgical Management of Patellar Instability in Adolescents with High Grade Trochlear Dysplasia
Poster 235: Surgical Management of Patellar Instability in Adolescents with High Grade Trochlear Dysplasia Open
Objectives: High-grade trochlear dysplasia (HGTD) has previously been identified as a risk factor for failure of surgical management of patellofemoral instability (PFI). However, limited data exists on the influence of the type of surgical…
View article: Early MRI‐based quantitative outcomes are associated with a positive functional performance trajectory from 6 to 24 months post‐ACL surgery
Early MRI‐based quantitative outcomes are associated with a positive functional performance trajectory from 6 to 24 months post‐ACL surgery Open
Purpose Quantitative magnetic resonance imaging (qMRI) has been used to determine the failure properties of ACL grafts and native ACL repairs and/or restorations. How these properties relate to future clinical, functional, and patient‐repo…