Abstract
Extensor mechanism disruption is one of the most dreaded complications of total knee arthroplasty. At times, the disruption is associated with infection, the paucity of soft tissue, and loosening of implants. Treatment decisions made by surgeons are guided by their experience and expertise. The purpose of this article is to provide the readers with an evidence-based comprehensive review which, in turn, should help them in diagnosis and selecting the best treatment strategy for individual patients.In the following article, we have discussed extensor mechanism disruptions of varying severity at various anatomical levels. We also covered both operative and non-operative measures in different clinical situations.The analysis of various articles published in the literature would also help orthopedic surgeons to understand the probable outcomes of the particular treatment option chosen and to counsel their patients accordingly.
Highlights
The extensor mechanism of the knee joint is one of the most important structures encountered during total knee arthroplasty
The importance of extensor mechanism is well-established in the field of knee replacement, in terms of minimizing intraoperative complications and in early postoperative recovery and in attaining long-term goals
Extensor mechanism disruption can occur at the level of the quadriceps tendon, patella, or patellar tendon, and management options may vary (Figure 1)
Summary
The extensor mechanism of the knee joint is one of the most important structures encountered during total knee arthroplasty. It consists of the quadriceps tendon, patella, and patellar tendon. One of the major steps during any knee replacement surgery is to retract the extensor mechanism in a way that minimizes damage to the structural and functional integrity of the extensor mechanism and, at the same time, to obtain adequate exposure to performing all the necessary procedures. All the contemporary approaches to the knee joint revolve around how to handle the extensor mechanism during the surgery and how to ensure the optimum function of the extensor mechanism postoperatively. The rationale presented by surgeons using subvastus and midvastus approaches is that they are less damaging to the extensor mechanism and help in faster recovery [2]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
