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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8302936 | PMC |
| http://dx.doi.org/10.1016/j.xjtc.2020.06.002 | DOI Listing |
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- * Definitions of "failure" after LHBT tenodesis can vary, with signs like postoperative cramping and the Popeye sign indicating different issues, including possible tendon migration or mechanical failure.
- * Recent studies highlight that excessive migration of the tenodesed tendon can lead to complications like cramping or weakness, emphasizing the need to consider both ultimate load failure and cyclic loading effects in biomechanical evaluations of surgical fixation methods.
Editorial Commentary: Surgical Treatment Algorithm for Patellofemoral Recurrent Instability.
Arthroscopy
July 2024
Universidade Federal de São Paulo.
As a frame of reference, the patella can be "out" of the trochlea owing to extensor mechanism malalignment, such as an increased tibial tuberosity (TT)-trochlear groove (TG) distance, or the trochlea can be "out" of the patella if the TG is misplaced owing to increased internal femoral torsion. Both lead to an increased Q angle and patellofemoral maltracking. Medial patellofemoral ligament reconstruction acts as a medial checkrein against instability, but it does not solve maltracking in every case.
View Article and Find Full Text PDFTibial tubercle to trochlear groove (TTTG) distance is a commonly utilized measurement in the assessment of knees with patellar instability, representing malalignment in the form of tuberosity lateralization relative to the trochlear groove. More recently, the concept of the anteroposterior TTTG, renamed the sagittal TTTG (sTTTG), has been studied as a measurement to assess the relationship between the 2 structures in the anteroposterior plane, potentially representing patellofemoral contact pressures. How this relates to knee flexion angles is critical to understanding the context of these variables and, in addition, as we attempt to characterize the relationship of sTTTG to trochlear dysplasia that occurs via relative anteriorization of the trochlear floor and posteriorization of the tibial tuberosity.
View Article and Find Full Text PDFPatellar instability is a complex orthopaedic condition, occurring at an incidence of 23.2 per 100,000 person-years and resulting from a combination of osseous and soft-tissue factors. Osseous abnormalities associated with patellar instability include trochlear dysplasia and a lateralized tibial tubercle.
View Article and Find Full Text PDFCommentary: Superior Ethmoidal Approach to an Olfactory Groove Meningioma: Maximizing Preservation of Nasal Anatomy.
Oper Neurosurg (Hagerstown)
February 2024
Department of Neurosurgery, The University of Tennessee Health Science Center, Memphis, Tennessee, USA.
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