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Knee Conditions

Imaging of the knee joint

The knee is one of the most commonly injured joints in the human body, especially in the setting of sports injuries. Sudden twisting movements that place torsional stress on the joint with the foot in a fixed position often...read more


Shoulder Conditions

YouTube Provides Low-Quality Educational Content About Rotator Cuff Disease

YouTube videos have become a popular source of healthcare information in orthopedic surgery. It allows patients to engage in visual learning about common orthopedic problems like Anterior Cruciate Ligament and Rotator Cuff tears. However, YouTube does not regulate the...read more


Knee Conditions

Tunnel Convergence when Reconstructing Anterior and Posterior Cruciate Ligaments with Meniscal Root Repair

Patients with multiligament knee injuries, which are injuries to several of the ligaments on the inside and/or outside of the knee, represent a subset of patients who require careful planning before surgery due to the complexity of the procedure....read more


Knee Conditions

Review of Meniscus Anatomy and Biomechanics

Meniscal tears can cause profound functional, biomechanical, and kinematic derangements within the knee joint, leading to accelerated degeneration of the articular cartilage. The purpose of this review is to summarize the relevant anatomy, biomechanics, and kinematics of the meniscus...read more


Shoulder Conditions

Proximal Humerus Fractures

Proximal humerus fractures are the third most common fracture in the elderly population. Patients who suffer from these fractures may suffer from significant morbidity, and there is a 10% mortality rate at one-year post-injury reported in the literature. Treatment...read more


Knee Conditions

Patellar Tendon Repair with Double-Row Suture Anchors and Achilles Allograft

Chronic patellar tendon injuries are defined as tears greater than 2 weeks old and are typically more complex to manage than acute tears. As the duration from injury progresses, the tear edges retract, tendon quality degenerates, and surrounding supportive...read more


Knee Conditions

Microfracture + Augmentation for Focal Chondral Lesions in the Knee

Cartilage in the knee joint has multiple purposes, primarily serving as a cushion between the femur and tibia. When the cartilage is damaged, focal lesions can develop that may cause significant pain and disability. Cartilage has a limited inherent...read more


Knee Conditions

Medial Meniscus Transplantation and Bone-Tendon-Bone Anterior Cruciate Ligament Reconstruction

The medial meniscus and the anterior cruciate ligament (ACL) both play a role in keeping the knee stable. When one or both structures are damaged, it causes the tibia to shift forward in relation to the femur, giving these...read more


Knee Conditions

Double Bundle Posterior Cruciate Ligament Reconstruction

The posterior cruciate ligament (PCL) is one of the two major ligaments within the knee, alongside the anterior cruciate ligament (ACL). Although the PCL is considered one ligament, it is comprised of two distinct “bundles,” each of which plays...read more


Knee Conditions

Bridge-Enhanced Anterior Cruciate Ligament Repair

The anterior cruciate ligament (ACL) is one of the two major ligaments inside the knee, and is responsible for providing stability to the knee. Unfortunately, ACL tears are extremely common, especially in the younger, athletic patient population. The typical...read more


Knee Conditions

Anatomic Posterolateral Corner Reconstruction

Various techniques have been described for management of injuries of the posterolateral corner (PLC) of the knee. The anatomic PLC reconstruction technique has numerous benefits, including the restoration of the anatomy of the 3 primary stabilizers of the PLC...read more


Orthopedic Innovation

Two-Stage Revision Anterior Cruciate Ligament Reconstruction with Cannulated Allograft Bone Dowels Soaked in Bone Marrow Aspirate Concentrate

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...read more


Orthopedic Innovation

Trochlear Osteochondral Shell Allograft Technique to Treat Trochlear Dysplasia in the Setting of Chondral Damage and Chronic Patellar Instability

The patellofemoral joint is a complex portion of knee anatomy that is composed of the end of the thigh bone and kneecap. Patients who have structural abnormalities in the surrounding ligaments and bony anatomy as well as functional factors...read more


Orthopedic Innovation

Three-Dimensional Patient Specific Instrumentation and Cutting Guide for Medial Closing Wedge High Tibial Osteotomy to Correct Valgus Malalignment

Achievement of correct knee alignment is crucial to ensure the best outcomes following a procedure to re-align the knee. The use of customized surgical instrumentation for individual patients to assist in preoperative planning and intraoperative realignment has gained increasing...read more


Orthopedic Innovation

Social Media and Orthopedics: An Evolving Relationship

Growing technological advances and accessibility has led to drastic increases in connectivity and overall internet usage across the globe. Social media is a very powerful tool to connect a large number of people, who may have otherwise been inaccessible....read more


In The Media

Chicago Sports Medicine Surgeon Treats Three International Athletes’ Knees

Orthopedic surgeon Dr. Jorge Chahla was recently featured in The Chicago Daily Tribune’s article, ‘Chicago Sports Medicine Surgeon Treats Three International Athletes’ Knees – WFMZ Allentown’. Here is an excerpt of the article, ‘In the past six months, Dr....read more


Knee Conditions

Dr. Jorge Chahla performs knee surgery on professional tennis player Juan Martin del Potro.

Dr. Chahla is proud and thankful to have been the orthopedic surgeon of choice for professional tennis player Juan Martin del Potro. The former World No. 3 tennis player del Portro said, “I’ve been consulting Dr Jorge Chahla and...read more


Knee Conditions

Dr. Jorge Chahla performs knee surgery on US Open tennis player Luisa Stefani.

Dr. Chahla is proud and thankful to have been the orthopedic surgeon of choice for professional tennis player Luisa Stefani. Unfortunately, Luisa suffered a right knee injury during the women’s doubles semifinal of the US Open. Dr. Chahla was...read more


Knee Conditions

Dr. Jorge Chahla performs arthroscopic knee surgery on Seattle Sounders midfielder Nico Lodeiro.

Dr. Chahla is proud to have been the orthopedic surgeon of choice for professional soccer player Nico Lodeiro of the Seattle Sounders. Read The Seattle Times article, ‘Sounders midfielder Nico Lodeiro undergoes arthroscopic knee surgery‘ to learn more....read more


Knee Conditions

Two-Stage Revision Anterior Cruciate Ligament Reconstruction with Cannulated Allograft Bone Dowels Soaked in Bone Marrow Aspirate Concentrate

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...read more


In The Media

Dr. Jorge Chahla was recently interviewed by Telemundo on snow related injuries.

Chicago orthopedic surgeon Dr. Jorge Chahla was recently interviewed by Telemundo for a new segment about common snow related injuries. Watch the video below to see the interview....read more


Hip Publications

Indications and Outcomes for Arthroscopic Hip Labral Reconstruction With Autografts- A Systematic Review

The acetabular labrum in the hip plays a major role in hip function and stability. The gold standard treatment for labral tears is to repair the tissue. However, in cases where tissue is not amenable to repair, reconstruction using...read more


Cartilage Publications

Obesity is Associated with an Increased Prevalence of Glenohumeral Osteoarthritis and Arthroplasty: A Cohort Study

While osteoarthritis frequently involves the knee and hips, it can also present to a lesser degree in other joints including the shoulder. Physicians commonly agree that the increased incidence of osteoarthritis in the knees and hips compared to joints...read more


Knee Publications

Biological Treatment of the Knee with Platelet-Rich Plasma or Bone Marrow Aspirate Concentrates

Knee pathologies including focal cartilage injuries, osteoarthritis and ligament injuries are common. The use of biologic agents has emerged as an option for treating these diseases. Platelet-rich plasma (PRP) has gained significant interest for treating common sports medicine injuries....read more


Knee Publications

Assessing the Resident Progenitor Cell Population and the Vascularity of the Adult Human Meniscus

Surgical treatment of meniscal tears involves either meniscal repair or meniscectomy, which is the removal of the damaged meniscus. Recent studies have reported meniscectomies to significantly reduce the career lengths of professional athletes, while repairs demonstrated higher success rates...read more


Knee Publications

Reconstruction and Repair of the Anterior Cruciate Ligament (ACL)

Reconstruction and repair of the anterior cruciate ligament (ACL) are both effective in restoring knee stability following ACL injury. This was demonstrated by applying force to cadaveric knees at different degrees of flexion to simulate normal forces experienced by...read more


Hip Publications

Femoroacetabular Impingement Syndrome (FAIS)

Swimming is one of the most physically demanding sport on the body. The repetitive flexion and rotation motions, particularly with the breaststroke and butterfly stroke, may overload the hip and cause femoroacetabular impingement syndrome (FAIS), or more simply hip...read more


Cartilage Publications

An Expert Consensus Statement on the Management of Large Chondral and Osteochondral Defects in the Patellofemoral Joint

Damage to the cartilage on the back side of the patella, often called a patellar osteochondral lesion, is a common cause of pain for many individuals. However, due to the complex structure, positioning, and differences in anatomy between each...read more


Biologic Publications

Biologic Options for Articular Cartilage Wear (Platelet-Rich Plasma, Stem Cells, Bone Marrow Aspirate Concentrate)

This article reviews biological treatment options for articular cartilage repair, including platelet-rich plasma (PRP), bone marrow aspirate concentrate (BMAC) and cell-based therapies. Articular cartilage damage is seen most commonly in focal chondral lesions and early osteoarthritis and is a...read more


Knee Publications

Clinical Outcomes of Inside-Out Meniscal Repair According to Anatomic Zone of the Meniscal Tear

Within the meniscus, three anatomical zones have been described based on varying levels of vascularity. The “red-red” zone is on the periphery of the meniscus and has been reported to be the most vascular, whereas the middle “red-white” and...read more


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