Related Experiment Videos
Diagnosis and management of knee dislocations
Christopher J Peskun1, Bruce A Levy, Gregory C Fanelli
1University of Toronto, Toronto, Ontario, Canada.
The Physician and Sportsmedicine
|December 15, 2010
Summary
Acute knee dislocation is a rare but serious injury often caused by high-energy trauma. Prompt diagnosis and management, including neurovascular assessment and reduction, are crucial for optimal outcomes and limb salvage.
Area of Science:
- Orthopedics
- Trauma Surgery
- Sports Medicine
Background:
- Acute knee dislocation is an uncommon injury with significant risks of vascular and neurologic damage.
- High-energy trauma is the primary cause, but lower-energy athletic injuries are rising.
- Popliteal artery and common peroneal nerve injuries are frequent, necessitating vigilant assessment.
Purpose of the Study:
- To review the epidemiology, diagnosis, and management of acute knee dislocations.
- To highlight the importance of timely neurovascular evaluation and intervention.
- To discuss current treatment strategies and expected patient outcomes.
Main Methods:
- Review of literature on acute knee dislocations.
- Emphasis on diagnostic tools like the ankle-brachial index.
- Discussion of initial management (closed reduction, bracing) and definitive surgical options.
Main Results:
- Prompt neurovascular examination and ankle-brachial index are key diagnostic steps.
- Closed reduction followed by bracing or external fixation is the initial treatment.
- Surgical repair/reconstruction is favored for optimizing knee function, though controversial.
Conclusions:
- Early recognition and management of acute knee dislocations are vital to prevent severe complications.
- While return to daily activities is common, return to sports is less predictable.
- Anatomic surgical reconstruction is generally preferred for functional recovery.
Related Concept Videos
Fractures: Bone Repair
Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
Flail Chest-II
Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
Assessment:
1. Clinical Evaluation:
History:
Assessment:
1. Clinical Evaluation:
History:
Knee Joint
The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...