Tibiofemoral instability in primary total knee replacement: A review

Gülabi, Deniz; Selmi, Tarik Aït Si; Sügün, Tahir Sadık; Neyret, Philippe

doi:10.1016/j.knee.2005.01.005

Cited by 59 publications

(30 citation statements)

References 23 publications

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“…12 Although instability could conceptually be treated with increased polyethylene thickness, this has controversial outcomes. 16 In our patient cohort, the change in frontal plane stability increased with fl exion. Lateral laxity was greater in magnitude than medial laxity.…”

Section: A 3b 3cmentioning

confidence: 62%

Effect of Polyethylene Component Thickness on Range of Motion and Stability in Primary Total Knee Arthroplasty

Lanting

Snider²,

Chess³

2012

Orthopedics

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Total knee arthroplasty (TKA) is a common procedure with good survivorship and functional results. Optimal results are dependent on proper osseous cuts and soft tissue balancing. Soft tissue tensioning via the polyethylene spacer thickness is an important component of soft tissue balancing. Increased thickness increases soft tissue tension and, therefore, has the potential to increase stability but decrease range of motion (ROM). Decreased polyethylene thickness may decrease soft tissue tension and has the potential to increase ROM but decrease stability. Using computer-based navigation, the intraoperative effect of increasing and decreasing polyethylene thickness in 1-mm increments on ROM and coronal stability throughout the ROM of 35 patients was examined. It was found that increasing the polyethylene thickness by 1-mm increments had a statistically significant impact on the ability to achieve full extension but had no impact on flexion. Increased polyethylene thickness decreased coronal plane motion. Coronal plane laxity increased with increased flexion irrespective of polyethylene thickness. In this patient cohort, lateral laxity became >1° when the knee was flexed. However, medial structures prevented valgus angulation of >1° in all scenarios except when the polyethylene was diminished by 2 mm. Changes in polyethylene thickness had an impact on the ability to gain full extension and coronal plane motion.

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Section: A 3b 3cmentioning

confidence: 62%

Effect of Polyethylene Component Thickness on Range of Motion and Stability in Primary Total Knee Arthroplasty

Lanting

Snider²,

Chess³

2012

Orthopedics

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“…İnstabiliteye bağlı sinovit ve sinoviyal hipertrofi, diz çevresi şişlik ve effüzyon olarak kendini gösterir. [2,[4][5][6][7] Radyolojik incelemelerde standart, yatarak ön-arka ve yan grafilerin yanı sıra tam ekstansiyon ve tam fleksiyon grafileri ile beraber stres grafileri (varus, valgus, ön, arka çekmece, tek ayak üstü yüklenme) instabilitenin değerlendirilmesinde önemlidir; dizilim ve dinamik açılanmaların yanı sıra lateral grafilerde instabilite yönünde translasyon değerlendirilebilir (Şekil 1). Bilgisayarlı tomografi (BT), aksiyel plan komponent rotasyonunun değerlendirilmesi için gereklidir; komponent rotasyonları hem tibiofemoral hem patellofemoral instabilite açısından önemlidir.…”

Section: Tani Ve Değerlendi̇rmeunclassified

Total diz protezi sonrası instabilite

Akel¹,

Atilla²

2019

TOTBID

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Türk Ortopedi ve Travmatoloji Birliği Derneği instabilitenin en ileri aşaması diz çıkığı olmakla beraber, diz protezi sonrası çıkık görülme oranı %0,5'in altındadır. [5-7] Diz protezinde instabilitenin tedavisi çoğu kez cerrahi olup, revizyon cerrahisi sonrası halen devam eden instabilite oranı %8-36 arasında değişmektedir ve bu yüksek oran, sıklıkla instabilitenin ve nedeninin doğru şekilde ortaya konulamamasından kaynaklanır. [4,6,7] Günümüzde total diz protezi uygulamasında en sık kullanılan teknik "gap (aralık) eşitliği" tekniğidir. Bu teknikte, bağ dengesi ve alt ekstremite "mekanik aksına dik" kesilerle mekanik aks üzerinde bir dizilim sağlanır.

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“…CT. CT allows the assessment of rotational positioning of the prosthesis components, which can affect patellofemoral tracking and varus/valgus ligamentous stability in flexion [140]. Imaging of rotational instability of a TKA is discussed in greater detail under Variant 11.…”

Section: Variant 2: Status Post Total Knee Arthroplasty Measuring Comentioning

confidence: 99%

ACR Appropriateness Criteria ® Imaging After Total Knee Arthroplasty

Hochman

Melenevsky

Metter

et al. 2017

Journal of the American College of Radiology

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Total knee arthroplasty (TKA) is the most commonly performed joint replacement procedure in the United States and annual demand for primary TKA is expected to grow by 673% by 2030. The first part provides an overview of imaging modalities (radiographs, CT, MRI, ultrasound, and various nuclear medicine studies) and discusses their usefulness in the imaging evaluation of TKA. The second part focuses on evidence-based imaging and imaging-guided intervention algorithms for the workup of TKA and its complications, including routine follow-up, component wear, periprosthetic infection, aseptic loosening, granulomas/osteolysis, conventional and rotational instability, periprosthetic fracture, patellar complications, and a variety of periprosthetic soft tissue abnormalities. The American College of Radiology Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel. The guideline development and revision include an extensive analysis of current medical literature from peer reviewed journals and the application of well-established methodologies (RAND/UCLA Appropriateness Method and Grading of Recommendations Assessment, Development, and Evaluation or GRADE) to rate the appropriateness of imaging and treatment procedures for specific clinical scenarios. In those instances where evidence is lacking or equivocal, expert opinion may supplement the available evidence to recommend imaging or treatment.

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Tibiofemoral instability in primary total knee replacement: A review

Cited by 59 publications

References 23 publications

Effect of Polyethylene Component Thickness on Range of Motion and Stability in Primary Total Knee Arthroplasty

Effect of Polyethylene Component Thickness on Range of Motion and Stability in Primary Total Knee Arthroplasty

Total diz protezi sonrası instabilite

ACR Appropriateness Criteria ® Imaging After Total Knee Arthroplasty

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