scholarly journals Stretching Force of Incision Affects Early Clinical Results After Primary Total Knee Arthroplasty: A Retrospective Study

2021 ◽  
Author(s):  
Tang Xiang‐sheng ◽  
Zhang Hu ◽  
Chen Lei ◽  
Qian Huan‐juan ◽  
Yi Ping
Keyword(s):  
Total Knee Arthroplasty ◽  
Retrospective Study ◽  
Knee Arthroplasty ◽  
Primary Total Knee Arthroplasty ◽  
Clinical Results ◽  
Total Knee ◽  
Primary Total Knee

Midflexion Instability in Primary Total Knee Arthroplasty

2019 ◽  
Vol 33 (05) ◽  
pp. 459-465
Author(s):  
Matthew Nagle ◽  
Aaron Glynn
Keyword(s):  
Total Knee Arthroplasty ◽  
Knee Arthroplasty ◽  
Primary Total Knee Arthroplasty ◽  
Clinical Results ◽  
Discrete Form ◽  
Common Causes ◽  
Total Knee ◽  
Midflexion Instability ◽  
Primary Total Knee ◽  
Causes Of Failure

AbstractInstability is one of the most common causes of failure in total knee arthroplasty. Traditionally, it has been classified into three types: extension instability, flexion instability, and hyperextension instability. More recently, a fourth type of instability has been proposed, namely “midflexion instability” (MFI). Whether MFI is distinct from the aforementioned types of instability is contentious, and at present, the condition is yet to be clearly defined. This article reviews the current literature and identifies the best available evidence relevant to the concept of MFI. Our aim is to present an overview of the proposed causes and mechanisms for MFI. By doing so, we also aim to provide a focus on how MFI presents, whether it is indeed a discrete form of instability, and if it influences clinical results.

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