Hyperextension following two different designs of fixed-bearing posterior-stabilized total knee arthroplasty

Laoruengthana, Artit; Rattanaprichavej, Piti; Suangyanon, Purinon; Galassi, Monton; Teekaweerakit, Passakorn; Pongpirul, Krit

doi:10.1007/s00590-021-03150-6

Cited by 3 publications

(2 citation statements)

References 36 publications

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“…The risk of post-delamination or breakage increases when the sum of the exion angle of the femoral component and the posterior tibial slope angle exceeds the speci ed hyperextension allowable angle for models with a post-cam mechanism [41]. Laoruengthana et al reported that even after TKA, the extension ROM gradually widened until 2 years after surgery [42]. For this reason, we should consider the difference in ideal alignment between the PS and cruciate-sacri cing (CS) types when selecting a model.…”

Section: Discussionmentioning

confidence: 99%

Factors influencing the postoperative flexion angle in cruciate-sacrificing rotating platform of total knee arthroplasty

Matsuoka,

Inagaki,

Mawarikado

et al. 2023

Preprint

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Background Various factors affect the improvement of range of motion (ROM) after total knee arthroplasty (TKA). However, there are few reports specific to cruciate-sacrificing rotating platform (CSRP) TKA. In this study, factors affecting postoperative ROM improvement of CSRP TKA were investigated. Methods The study included 79 patients with knee osteoarthritis who underwent unilateral CSRP TKA at our institution. The group with an improvement of 5 degrees or more (Δflexion angle) than the preoperative was defined as the good Δflexion group (38 knees), and that with less than 5 degrees was defined as the poor Δflexion group (41 knees). The assessments were performed one day and one year after surgery. Factors including rest and walking pain, knee flexion and extension angle, isometric knee extension strength, the five subscales of KOOS, α, β, γ and δ angles, FTA, and condylar twist angle were assessed. Unpaired t-test, Mann–Whitney U test, and chi-square test were used to test differences between the good and poor Δflexion groups. Multiple logistic regression examined the association between each factor and the dependent variables (good Δflexion or poor Δflexion). Results Significant differences in the preoperative knee flexion, postoperative knee flexion, preoperative knee extension, and postoperative knee extension angles, postoperative KOOS pain and activity of daily living, β, ɤ angles were observed between the good and poor Δflexion groups. The model chi-squared test revealed that the ɤ angle was significantly affected with Δ flexion angle. Conclusions With the CSRP TKA, flexion insertion of the femoral component was associated with postoperative flexion ROM improvement.

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Section: Discussionmentioning

confidence: 99%

Factors influencing the postoperative flexion angle in cruciate-sacrificing rotating platform of total knee arthroplasty

Matsuoka,

Inagaki,

Mawarikado

et al. 2023

Preprint

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“…We would like to share ideas on "The Influence of Restrictive Pulmonary Dysfunction on Osteoporotic Thoracic Vertebral Fractures [2]." Laoruengthana et al [2] concluded that "The extension angle of the SR group became significantly more extended than that of the … after SR TKA may be different from that of the MR TKA prosthesis." With different prosthetic techniques, it is no doubt that there will be variation in derived angles.…”

Section: Dear Editormentioning

confidence: 99%

Correspondence on “Hyperextension following two different designs of fixed-bearing posterior-stabilized total knee arthroplasty”

Mungmunpuntipantip¹,

Wiwanitkit

2022

Eur J Orthop Surg Traumatol

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Factors Influencing the Postoperative Flexion Angle in Cruciate-Sacrificing Rotating Platform of Total Knee Arthroplasty

Matsuoka,

Inagaki,

Mawarikado

et al. 2024

Cureus

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Hyperextension following two different designs of fixed-bearing posterior-stabilized total knee arthroplasty

Cited by 3 publications

References 36 publications

Factors influencing the postoperative flexion angle in cruciate-sacrificing rotating platform of total knee arthroplasty

Factors influencing the postoperative flexion angle in cruciate-sacrificing rotating platform of total knee arthroplasty

Correspondence on “Hyperextension following two different designs of fixed-bearing posterior-stabilized total knee arthroplasty”

Factors Influencing the Postoperative Flexion Angle in Cruciate-Sacrificing Rotating Platform of Total Knee Arthroplasty

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