Journals / Eklem Hastalıkları ve Cerrahisi Dergisi (Eski Adı: Artroplasti Artroskopik Cerrahi Derg.) / 2010 / Cilt: 21 - Sayı: 2

Opening focal dome osteotomy in the treatment of varus gonarthrosis associated with medial laxity

Medial gevşekliğin eşlik ettiği varus gonartroz tedavisinde açıcı fokal-kubbe osteotomisi

Pages
80–85
Publication Date
2022-10-18
DOI
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⚡ TL;DR(Too Long; Didn't Read)

Opening focal high tibia dome osteotomy can achieve a correction in the mechanical alignment and also decreases medial laxity effectively in knees with varus gonarthrosis.

📌 3 Key Takeaways

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Objective & Hypothesis:Objectives: We evaluated the short-term results of opening focal dome osteotomy in the treatment of varus gonarthrosis associated with medial laxity.
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Key Findings & Data:Patients and methods: Seventeen knees of 16 patients with varus gonarthrosis associated with medial laxity (15 females, 1 male; mean age 51.6 years; range 45 to 58 years) were managed with opening focal dome osteotomy in our clinic between September 2003 and July 2006.
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Conclusion & Impact:Opening focal high tibia dome osteotomy can achieve a correction in the mechanical alignment and also decreases medial laxity effectively in knees with varus gonarthrosis.
🔬Design:Research Article
📍Scope:2003 Verileri
⚙️Variables:Domain Parameters

Abstract

Objectives: We evaluated the short-term results of opening focal dome osteotomy in the treatment of varus gonarthrosis associated with medial laxity. Patients and methods: Seventeen knees of 16 patients with varus gonarthrosis associated with medial laxity (15 females, 1 male; mean age 51.6 years; range 45 to 58 years) were managed with opening focal dome osteotomy in our clinic between September 2003 and July 2006. The patients were evaluated for alignment of the lower extremities and medial laxity before and after the operation and were also evaluated clinically by Knee Society (KS) knee scores and Hospital for Special Surgery (HSS) knee scores. Results: Mean follow-up was 27 months (range 12 to 44 months). Postoperatively, an average 13.8±3.3° mechanical femuro-tibial angle (mFTA) correction was achieved (p=0.001). Average preoperative mechanical varus was 9.9±3.1° whereas the mean postoperative mechanical valgus was 3.9±0.8° (p=0.001). An average 2.6±1.2 mm reduction in medial laxity was ensured. Preoperative joint line convergence angle with a mean of 6.2±1.7° was reduced to 3.2±1.1° postoperatively which was statistically significant (p=0.002). Preoperative KS knee scores and function scores were 49±9 and 44±11 respectively whereas postoperative these values were 89±6 and 84±8 respectively. These values represent an average of 40±12 improvement (p=0.001). Pre- and postoperative HSS scores were 61±8 and 88±7 respectively representing an average of 27±11 improvement (p=0.001). Conclusion: Medial laxity is observed in a majority of patients with varus gonarthrosis. Opening focal high tibia dome osteotomy can achieve a correction in the mechanical alignment and also decreases medial laxity effectively in knees with varus gonarthrosis.

Özet

Amaç: Medial gevşekliğin eşlik ettiği varus gonartrozun tedavisinde uygulanan açıcı fokal-kubbe osteotomisinin erken dönem sonuçları değerlendirildi. Hastalar ve yöntemler: Eylül 2003 - Temmuz 2006 tarihleri arasında kliniğimizde, medial gevşekliğin eşlik ettiği varus gonartrozu nedeni ile 16 hastanın (15 kadın, 1 erkek, ort. yaş 51.6 yıl; dağılım 45-58 yıl) 17 dizine açıcı fokal-kubbe osteotomisi uygulandı. Hastalar, ameliyat öncesi ve sonrasında alt ekstremite dizilimi ve medial gevşeklik açısından değerlendirildi, ayrıca Knee Society (KS) diz puanı ve Hospital for Special Surgery (HSS) diz puanı kullanılarak klinik olarak da değerlendirildi. Bulgular: Ortalama takip süresi 27 ay (dağılım 12-44 ay) idi. Ameliyat sonrasında, mekanik femuro-tibial açıda (mFTA) ortalama 13.8±3.3° düzelme sağlandı (p=0.001). Ameliyat öncesinde dizlerde ortalama 9.9±3.1° mekanik varus varken, ameliyat sonrasında dizlerde ortalama 3.9±0.8°’lik mekanik valgus elde edildi (p=0.001). Medial gevşeklikte, ortalama 2.6±1.2 mm azalma sağlandı. Ameliyat öncesinde ortalama 6.2±1.7° olan tibio-femoral yönelim açısı değeri ameliyat sonrası 3.2±1.1°’e geriledi bu azalma anlamlı bulundu (p=0.002). Ameliyat öncesi KS diz puanı ve fonksiyon puanı, sırasıyla ortalama 49±9 ve 44±11 iken, ameliyat sonrasında sırasıyla ortalama 89±6 ve 84±8 oldu. Bu değerler ortalama 40±12 puan iyileşme olduğunu gösterdi (p=0.001). Ameliyat öncesi ve sonrası HSS diz puanlaması değerleri 61±8 ve 88±7 oldu ve ortalama 27±11 puanlık iyileşme gözlendi (p=0.001). Sonuç: Varus gonartrozlu hastaların önemli bir kısmında medial gevşeklik bulunmaktadır. Açıcı fokal-kubbe yüksek tibia osteotomisi varus gonartrozlu dizlerde mekanik düzelmeyi sağlarken, aynı zamanda medial gevşekliği de etkili bir şekilde azaltmaktadır.

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Cite This Article

GÜNEŞ, T., BOSTAN, B., ERDEM, M., AŞÇI, M., ŞEN, C. (2022). Opening focal dome osteotomy in the treatment of varus gonarthrosis associated with medial laxity. Eklem Hastalıkları ve Cerrahisi Dergisi (Eski Adı: Artroplasti Artroskopik Cerrahi Derg.), Cilt: 21 - Sayı: 2, 80–85. https://ajindex.com/articles/498728

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