Unikompartmantal diz artroplastisinin alt ekstremite ekseni, tibiofemoral subluksasyon ve lateral diz eklem mesafesine etkisi

Amaç: Bu çalışmanın amacı, Oxford faz 3 medial unikompartmantal diz artroplastisinin (UDA) alt ekstremite ekseni, tibiofemoral subluksasyon ve lateral eklem mesafesi üzerindeki düzeltici etkisini araştırmaktı. Gereç ve Yöntem: Çalışmaya UDA yapılan 105 diz dahil edildi. Oxford Diz Skoru, EQ-5D-3LD, vizüel analog skalası ve diz yaralanması ve osteoartrit sonuç skorları değerlendirildi. Alt ekstremite aksı, tibiofemoral subluksasyon ve lateral diz eklem mesafesinin radyolojik değerlendirmesi yapıldı. Bulgular: Preoperatif değerlere göre mekanik eksende postoperatif ortalama düzelme 1.4 ° ve tibiofemoral subluksasyon mesafesinde 1.59 mm idi. Preoperatif ve postoperatif lateral eklem mesafesi değerleri arasındaki fark ortalama 0,25 mm lateral iç eklem mesafesi, lateral orta eklem mesafesinde 0,08 mm ve dış eklem mesafesinde 0,34 mm. Gruplar arasında klinik sonuçlarda anlamlı bir fark yoktu. Sonuç: Alt ekstremite mekanik aks, tibiofemoral subluksasyon mesafesi ve lateral eklem mesafelerinin ölçümlerinde çimentolu, çimentosuz ve hibrid medial UDA sonrası postoperatif dönemde preoperatif döneme göre anlamlı iyileşmeler vardı.

The effect of unicompartmental knee arthroplasty on lower extremity axis, tibiofemoral subluxation, and lateral knee joint distance

Purpose: The aim of this study was to investigate the corrective effect of Oxford phase 3 medial unicompartmental knee arthroplasty (UKA) on the lower extremity axis, tibiofemoral subluxation and lateral joint distance. Materials and Methods: The study included 105 knees that had undergone UKA. The Oxford Knee Score, EQ-5D-3LD and visual analog scale, and The Knee injury and Osteoarthritis Outcome Score were evaluated. Radiological evaluation was made of the lower extremity axis, tibiofemoral subluxation, and lateral knee joint distance. Results: The postoperative mean improvement in the mechanical axis was 1.4° and in the tibiofemoral subluxation distance, 1.59 mm compared to preoperative values. The difference between the preoperative and postoperative lateral joint distance values was on average 0.25 mm lateral inner joint distance, 0.08 mm in the lateral middle joint distance and 0.34 mm in the outer joint distance. There was no significant difference in clinical results between the groups. Conclusion: There were significant improvements in the postoperative period after cemented, cementless, and hybrid medial UKA in the measurements of lower extremity mechanical axis, tibiofemoral subluxation distance and lateral joint distances compared to the preoperative period.

Keywords:

Unicompartmental knee arthroplasty, tibiofemoral subluxation, lower extremity axis, joint distance,

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