Journals / Eklem Hastalıkları ve Cerrahisi Dergisi (Eski Adı: Artroplasti Artroskopik Cerrahi Derg.) / 2015 / Cilt: 26 - Sayı: 3

Kırık hattı rotasyonel stabilitesi için intramedüller femoral çivilerin biyomekanik yönden karşılaştırılması

Biomechanical comparision of femoral intramedullary nails for interfragmentary rotational stability

Pages
131–136
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Conclusion: In axially stable transvers and short oblique femur fractures, Mehmet nail is superior to other intramedullary nails with limited movement between locking screw and hole, more interfragmentary compression without locking screw deformation, and no proximal nail migration.

📌 3 Key Takeaways

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Objective & Hypothesis:Objectives: This study aims to investigate which intramedullary nail is biomechanically better for establishing interfragmentary rotational stability.
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Key Findings & Data:We analyzed interfragmentary rotational arc displacements between 10 Nm external-6 Nm internal torques and 6 Nm external-6 Nm internal torques which imitate rotation torques while walking on a flat surface and descending stairs by administering 10 interlocking nails, 10 compression nails, and 10 Mehmet anti-rotation nails with tube compression.
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Conclusion & Impact:Conclusion: In axially stable transvers and short oblique femur fractures, Mehmet nail is superior to other intramedullary nails with limited movement between locking screw and hole, more interfragmentary compression without locking screw deformation, and no proximal nail migration.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objectives: This study aims to investigate which intramedullary nail is biomechanically better for establishing interfragmentary rotational stability. Materials and methods: Thirty composite femurs were utilized in this study. We analyzed interfragmentary rotational arc displacements between 10 Nm external-6 Nm internal torques and 6 Nm external-6 Nm internal torques which imitate rotation torques while walking on a flat surface and descending stairs by administering 10 interlocking nails, 10 compression nails, and 10 Mehmet anti-rotation nails with tube compression. Results: Maximum interfragmentary rotation arc displacement between 10 Nm external rotation and 6 Nm internal rotation torques was mean 1.64 mm in the Mehmet nail compressed by 7 Nm torque wrench. This value was lower by 309% (6.72 mm) from interlocking nail (p=0.000), 201% (5.42 mm) from compression nail compressed by 2.5 Nm torque wrench (p=0.000), and 26% (1.92 mm) from compression nail compressed by 7 Nm torque wrench (p>0.05). Conclusion: In axially stable transvers and short oblique femur fractures, Mehmet nail is superior to other intramedullary nails with limited movement between locking screw and hole, more interfragmentary compression without locking screw deformation, and no proximal nail migration.

Özet

Amaç: Bu çalışmada hangi intramedüller çivinin biyomekanik olarak kırık hattı rotasyonel stabilitesini sağlamada daha iyi olduğu araştırıldı. Gereç ve yöntemler: Bu çalışmada 30 kompozit femur kullanıldı. On kilitli çivi, 10 kompresyon çivisi ve 10 Mehmet tüp kompresyonlu anti-rotasyon çivisi uygulanarak düz zeminde yürürken ve merdiven inerken rotasyon torklarını taklit eden 10 Nm eksternal ile 6 Nm internal torklar ve 6 Nm eksternal ile 6 Nm internal torklar arasındaki kırık hattı rotasyonel ark yer değiştirmeleri analiz edildi. Bulgular: 10 Nm eksternal rotasyon ve 6 Nm internal rotasyon torkları arası maksimum kırık hattı rotasyonel ark yer değiştirmesi 7 Nm tork anahtarı ile sıkılmış Mehmet çivisinde ortalama 1.64 mm idi. Bu değer kilitli çividen %309 (6.72 mm) (p=0.000), 2.5 Nm tork anahtarı ile sıkılmış kompresyon çivisinden %201 (5.42 mm) (p=0.000) ve 7 Nm tork anahtarı ile sıkılmış kompresyon çivisinden %26 (1.92 mm) daha düşüktü (p>0.05). Sonuç: Kilit vida ile delik arası hareket azlığı, kilit vida deformasyonu olmadan kırık hattında daha fazla kompresyon olması ve proksimale çivi migrasyonu olmaması özellikleri ile aksiyel olarak stabil transvers ve kısa oblik femur kırıklarında Mehmet çivisi diğer intramedüller çivilere göre daha üstündür.

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Cite This Article

AYCAN, H., KARAARSLAN, A. A., SESLİ, E., MAYDA, A., ERTEM, F. (2022). Kırık hattı rotasyonel stabilitesi için intramedüller femoral çivilerin biyomekanik yönden karşılaştırılması. Eklem Hastalıkları ve Cerrahisi Dergisi (Eski Adı: Artroplasti Artroskopik Cerrahi Derg.), Cilt: 26 - Sayı: 3, 131–136. https://ajindex.com/articles/498545

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