Studies

Multiple Ligament Reconstructions of the Knee and Posterolateral Corner


Authors:

Edward R. Floyd M.S., Gregory B. Carlson M.D., Jill Monson P.T., O.C.S., Robert F. LaPrade M.D., Ph.D

Abstract:

Injuries to the knee involving multiple ligaments occur in a variety of circumstances and require careful assessment and planning. A wide constellation of injuries can occur with causes sufficiently traumatic to produce bi-cruciate ligament deficiency, and this […]

Multiple Ligament Reconstructions of the Knee and Posterolateral Corner

Medial Patellofemoral Reconstruction Using Quadriceps Tendon Autograft, Tibial Tubercle Osteotomy, and Sulcus-Deepening Trochleoplasty for Patellar Instability


Authors:

Edward R. Floyd, M.S., Nicholas J. Ebert, B.S., Gregory B. Carlson, M.D., Jill K. Monson, P.T., O.C.S., and Robert F. LaPrade, M.D., Ph.D.

Abstract:

Recurrent patellar dislocations have been correlated with an elevated risk of further patellar dislocations, often requiring surgical treatment. Risk factors include medial patellofemoral ligament (MPFL) tears, patella alta, trochlear dysplasia, and […]

Medial Patellofemoral Reconstruction Using Quadriceps Tendon Autograft, Tibial Tubercle Osteotomy, and Sulcus-Deepening Trochleoplasty for Patellar Instability

The Future of Meniscus Science: International Expert Consensus


Authors:

Nicholas N. DePhillipo, Robert F. LaPrade, MD, PhD, Stefano Zaffagnini, Caroline Mouton, Romain Seil, and Philippe Beaufils

Abstract:

Purpose:

The purpose of this study was to evaluate the main focus areas for research and development for furthering the state of meniscus science in 2021.

Methods:

An electronic survey including 10 questions was sent in a blind fashion to the […]

The Future of Meniscus Science: International Expert Consensus

Arthroscopic-Assisted Lateral Meniscal Allograft Transplantation With Open Ligamentous Extra-Articular Tenodesis


Authors:

Edward R. Floyd M.S, Gregory B. Carlson M.D., Robert F. LaPrade M.D., Ph.D

Abstract:

Lateral meniscus allograft transplantation is performed in predominantly young, active patients and is an option to stabilize the joint in lateral meniscus–deficient patients after anterior cruciate ligament reconstruction. The lateral meniscus functions as an important restraint to anterior tibial translation, and meniscal […]

Arthroscopic-Assisted Lateral Meniscal Allograft Transplantation With Open Ligamentous Extra-Articular Tenodesis

Patellar Tendon Revision Reconstruction With Hamstring Tendon Autografts


Authors:

Edward R. Floyd M.S., Gregory B. Carlson M.D., Robert F. LaPrade M.D., Ph.D.

Abstract:

Patellar tendon rupture is an infrequent cause of disability in patients younger than 40 years, with chronic injury and repeat procedures creating difficulty in facilitating healing. Use of hamstring autograft to reinforce the repair has been reported to strengthen the repair construct […]

Patellar Tendon Revision Reconstruction With Hamstring Tendon Autografts

The Posterior Cruciate Ligament: Anatomy, Biomechanics, and Double-Bundle Reconstruction


Authors:

Robert F. LaPrade, MD, PhD, Edward R. Floyd, Kari L. Falaas, Nicholas J. Ebert, Griffin D. Struyk, Gregory B. Carlson, Gilbert Moatshe, Jorge Chahla, Jill K. Monson

Abstract:

The posterior cruciate ligament (PCL) is the largest intra-articular ligament in the knee and is the primary stabilizer to posterior tibial translation. Historically, the PCL’s functional dynamics […]

The Posterior Cruciate Ligament: Anatomy, Biomechanics, and Double-Bundle Reconstruction

Increased Posterior Tibial Slope Results in Increased Incidence of Posterior Lateral Meniscal Root Tears in ACL Reconstruction Patients


Authors:

David Bernholt, Nicholas N. DePhillipo, Zachary S. Aman, Brian T. Samuelsen, Mitchell I. Kennedy, Robert F. LaPrade

Abstract:

Purpose

While the association with acute anterior cruciate ligament (ACL) tears has been established, other risk factors and associated pathologies which occur with a concomitant lateral meniscal posterior root tear (LMPRT) are not well defined. The purpose […]

Increased Posterior Tibial Slope Results in Increased Incidence of Posterior Lateral Meniscal Root Tears in ACL Reconstruction Patients

Meniscal Root Tears: Solving the Silent Epidemic


Authors:

Robert F. LaPrade​, Edward R. Floyd, Gregory B. Carlson, Gilbert Moatshe, Jorge Chahla, Jill K. Monson

Abstract:

In this review article, the authors describe the most current knowledge surrounding meniscal root tears with a primary focus on diagnosis, management, and implications for the health of the knee joint. Historically overlooked or treated with meniscectomy, meniscal root […]

Meniscal Root Tears: Solving the Silent Epidemic

The Posterolateral Corner: Explanations and Outcomes


Authors:

Robert F. LaPrade, Edward R. Floyd, Gregory B. Carlson, Gilbert Moatshe, Jorge Chahla, Jill Monson

Abstract:

In this review, we examine the current understanding of posterolateral corner (PLC) injuries and treatment methods. We discuss the anatomy of the major structures of the PLC and the biomechanics of how these structures function together as a unit. The […]

The Posterolateral Corner: Explanations and Outcomes

True Mechanical Alignment is Found Only on Full-Limb and not on Standard Anteroposterior Radiographs


Authors:

Robert F. LaPrade, M.D., Ph.D., Nathan R. Graden, B.S., Robert S. Dean, B.S., David H. Kahat, B.A., and Nicholas N. DePhillipo, Ph.D., A.T.C.

Abstract:

Purpose

The purpose of this study was to compare alignment measured on standard anteroposterior (AP) radiographs versus full-length weight-bearing radiographs.

Methods

Patients were […]

True Mechanical Alignment is Found Only on Full-Limb and not on Standard Anteroposterior Radiographs
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