Jenny J-Y (2018) Minimally invasive unicompartmental knee arthroplasty. Eur J Orthop Surg Traumatol 28:793–797. https://doi.org/10.1007/s00590-017-2107-5

Article  PubMed  Google Scholar 

Ge J, Hernigou P, Guo W et al (2023) Minimally invasive small incision surgical technique for unicompartmental knee arthroplasty. Int Orthop 47:2717–2725. https://doi.org/10.1007/s00264-023-05908-5

Article  PubMed  Google Scholar 

Al-Dadah O, Hing C (2023) Unicompartmental knee arthroplasty: General trends of clinical practice. Knee 41:A1–A2. https://doi.org/10.1016/j.knee.2023.03.013

Article  PubMed  Google Scholar 

Tille E, Beyer F, Auerbach K et al (2021) Better short-term function after unicompartmental compared to total knee arthroplasty. BMC Musculoskelet Disord 22:326. https://doi.org/10.1186/s12891-021-04185-w

Article  PubMed  PubMed Central  Google Scholar 

Knifsund J, Niinimaki T, Nurmi H et al (2021) Functional results of total-knee arthroplasty versus medial unicompartmental arthroplasty: two-year results of a randomised, assessor-blinded multicentre trial. BMJ Open 11:e046731. https://doi.org/10.1136/bmjopen-2020-046731

Article  PubMed  PubMed Central  Google Scholar 

Macri EM, Neogi T, Jarraya M et al (2022) Magnetic resonance imaging-defined osteoarthritis features and anterior knee Pain in individuals with, or at risk for, knee osteoarthritis: a Multicenter Study on Osteoarthritis. Arthritis Care Res (Hoboken) 74:1533–1540. https://doi.org/10.1002/acr.24604

Article  PubMed  Google Scholar 

Hochreiter B, Moser LB, Hess S et al (2021) Osteoarthritic knees have a highly variable patellofemoral alignment: a systematic review. Knee Surg Sports Traumatol Arthrosc 29:483–490. https://doi.org/10.1007/s00167-020-05928-3

Article  PubMed  Google Scholar 

Senioris A, Saffarini M, Rahali S et al (2016) Does patellofemoral congruence following total knee arthroplasty correlate with pain or function? Intraoperative arthroscopic assessment of 30 cases. Ann Transl Med 4:279. https://doi.org/10.21037/atm.2016.07.21

Article  PubMed  PubMed Central  Google Scholar 

El-Othmani MM, Zalikha AK, Shah RP (2023) Anterior knee Pain after total knee arthroplasty: a critical review of Peripatellar variables. JBJS Rev 11. https://doi.org/10.2106/JBJS.RVW.23.00092

Matz J, Howard JL, Morden DJ et al (2017) Do changes in Patellofemoral Joint Offset lead to adverse outcomes in total knee arthroplasty with patellar resurfacing? A Radiographic Review. J Arthroplasty 32:783–787e1. https://doi.org/10.1016/j.arth.2016.08.032

Article  PubMed  Google Scholar 

van Jonbergen H-PW, Reuver JM, Mutsaerts EL, Poolman RW (2014) Determinants of anterior knee pain following total knee replacement: a systematic review. Knee Surg Sports Traumatol Arthrosc 22:478–499. https://doi.org/10.1007/s00167-012-2294-x

Article  PubMed  Google Scholar 

Siljander B, Tompkins M, Martinez-Cano JP (2022) A review of the lateral Patellofemoral Joint: anatomy, Biomechanics, and Surgical procedures. J Am Acad Orthop Surg Glob Res Rev 6. https://doi.org/10.5435/JAAOSGlobal-D-21-00255. e21.00255

Tan SHS, Ibrahim MM, Lee ZJ et al (2018) Patellar tracking should be taken into account when measuring radiographic parameters for recurrent patellar instability. Knee Surg Sports Traumatol Arthrosc 26:3593–3600. https://doi.org/10.1007/s00167-017-4795-0

Article  PubMed  Google Scholar 

Chen J, Ye Z, Wu C et al (2023) Sulcus depth, congruence angle, Wiberg index, TT-TG distance, and CDI are strong predictors of recurrent patellar dislocation. Knee Surg Sports Traumatol Arthrosc 31:2906–2916. https://doi.org/10.1007/s00167-022-07245-3

Article  PubMed  Google Scholar 

Takahashi A, Sano H, Ohnuma M et al (2012) Patellar morphology and femoral component geometry influence patellofemoral contact stress in total knee arthroplasty without patellar resurfacing. Knee Surg Sports Traumatol Arthrosc 20:1787–1795. https://doi.org/10.1007/s00167-011-1768-6

Article  PubMed  Google Scholar 

Otto A, Tscholl PM, Pääsuke R et al (2020) Neither lateral patellar facet nor patellar size are altered in patellofemoral unstable patients: a comparative magnetic resonance imaging analysis. Knee Surg Sports Traumatol Arthrosc 28:1064–1071. https://doi.org/10.1007/s00167-019-05660-7

Article  PubMed  Google Scholar 

Wibeeg G (1941) Roentgenographs and anatomic studies on the Femoropatellar Joint: with Special Reference to Chondromalacia Patellae. Acta Orthop Scand 12:319–410. https://doi.org/10.3109/17453674108988818

Article  Google Scholar 

Barbosa RM, da Silva MV, Macedo CS, Santos CP (2023) Imaging evaluation of patellofemoral joint instability: a review. Knee Surg Relat Res 35:7. https://doi.org/10.1186/s43019-023-00180-8

Article  PubMed  PubMed Central  Google Scholar 

Insall J, Salvati E (1971) Patella position in the normal knee joint. Radiology 101:101–104. https://doi.org/10.1148/101.1.101

Article  CAS  PubMed  Google Scholar 

Leichtle UG, Wünschel M, Leichtle CI et al (2014) Increased patellofemoral pressure after TKA: an in vitro study. Knee Surg Sports Traumatol Arthrosc 22:500–508. https://doi.org/10.1007/s00167-013-2372-8

Article  PubMed  Google Scholar 

Grelsamer RP, Saleh J, Gladstone J (2012) Congruous versus incongruous patellar tilt–a preliminary study. Bull NYU Hosp Jt Dis 70:232–234

PubMed  Google Scholar 

Panni AS, Cerciello S, Maffulli N et al (2011) Patellar shape can be a predisposing factor in patellar instability. Knee Surg Sports Traumatol Arthrosc 19:663–670. https://doi.org/10.1007/s00167-010-1329-4

Article  PubMed  Google Scholar 

Monk AP, Doll HA, Gibbons CLMH et al (2011) The patho-anatomy of patellofemoral subluxation. J Bone Joint Surg Br 93:1341–1347. https://doi.org/10.1302/0301-620X.93B10.27205

Article  CAS  PubMed  Google Scholar 

Neogi DS, Bae JH, Seok CW, Lim HC (2014) Impact of patellar height on unicompartment knee arthroplasty: does patella baja lead to an inferior outcome? J Orthop Traumatol 15:47–54. https://doi.org/10.1007/s10195-013-0268-5

Article  PubMed  Google Scholar 

Davies GS, van Duren B, Shorthose M et al (2016) Changes in patella tendon length over 5 years after different types of knee arthroplasty. Knee Surg Sports Traumatol Arthrosc 24:3029–3035. https://doi.org/10.1007/s00167-016-4170-6

Article  PubMed  Google Scholar 

Butnaru M, Sigonney G, Müller JH et al (2020) Wiberg Type III patellae and J-sign during extension compromise outcomes of total knee arthroplasty without patellar resurfacing. Knee 27:787–794. https://doi.org/10.1016/j.knee.2020.04.005

Article  PubMed  Google Scholar 

Aït-Si-Selmi T, Marie-Hardy L, O’Loughlin PF et al (2020) Patellar facet ratio affects knee pain, stair climbing and stair descent after TKA without patellar resurfacing. Knee Surg Sports Traumatol Arthrosc 28:3796–3804. https://doi.org/10.1007/s00167-020-05868-y

Article  PubMed  Google Scholar 

Cao L, Sun K, Yang H et al (2021) Influence of patellar morphology classified by Wiberg classification on knee joint function and Patellofemoral Tracking after total knee arthroplasty without patellar resurfacing. J Arthroplasty 36:3148–3153. https://doi.org/10.1016/j.arth.2021.04.009

Article  PubMed  Google Scholar 

Franck F, Ouanezar H, Jacquel A et al (2018) The predictive factors of secondary patellar resurfacing in computer-assisted total knee arthroplasty. A prospective cohort study. Int Orthop 42:1051–1060. https://doi.org/10.1007/s00264-017-3630-z

Article  PubMed  Google Scholar 

Munk S, Odgaard A, Madsen F et al (2011) Preoperative lateral subluxation of the patella is a predictor of poor early outcome of Oxford phase-III medial unicompartmental knee arthroplasty. Acta Orthop 82:582–588. https://doi.org/10.3109/17453674.2011.618915

Article  PubMed  PubMed Central  Google Scholar 

Rajkumar N, Soundarrajan D, Dhanasekararaja P, Rajasekaran S (2019) Preoperative Radiological parameters Predicting the need for lateral retinacular release in total knee arthroplasty. J Arthroplasty 34:2925–2930. https://doi.org/10.1016/j.arth.2019.07.033

Article  PubMed  Google Scholar 

Qiu L, Li J, Sheng B et al (2022) Patellar shape is associated with femoral trochlear morphology in individuals with mature skeletal development. BMC Musculoskelet Disord 23:56. https://doi.org/10.1186/s12891-022-05000-w

Article  PubMed  PubMed Central  Google Scholar 

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