Effect of anatomic fibula on tibia union and alignment after intramedullary nailing of tibia shaft fractures

Yıl 2020, Cilt: 6 Sayı: 4, 337 - 342, 04.07.2020

Ali Teoman Evren , Yüksel Uğur Yaradılmış , Mustafa Caner Okkaoğlu Ahmet Ateş İsmail Demirkale , Murat Altay

https://doi.org/10.18621/eurj.497382

Cited By: 1

Öz

Objectives: The effect of an intact or fixated fibula on tibial union and alignment in tibial shaft fractures applied with intramedullary nailing is investigated.

Methods: A retrospective examination was made of 67 patients aged 19-85 years who were applied with intramedullary nailing for a tibial shaft fracture (AO-42) between January 2010 and December 2016. The 44 patients included in the study were separated into 2 groups as those with anatomic fibula (Group 1, n = 12) and those with a fibula fracture which is not fixated (Group 2, n = 32). The patients were evaluated in respect of bone union and malalignment from direct radiographs. Union was evaluated according to the RUST criteria, and the threshold for malalignment was taken as 5˚ in the coronal and sagittal planes.

Results: The patients comprised 24 males and 20 females (M/F: 6/5) with a mean age of 42.7 years (range, 19-76 years). Non-union was observed in 3/12 patients (25%) in Group 1, and in 2/32 (6.3%) patients in Group 2 at 6 months. Malalignment was observed in 1/12 (8.3%) patients in Group 1 (procurvatum) and in 7/32 (21.8%) patients in Group 2, of which 3 (9.3%) were varus, and 4 (12.5%) were valgus. The rate of malalignment was significantly lower in Group 1 than in Group 2.

Conclusions: The results demonstrated that bone union of a tibial shaft fracture is slower in patients with an anatomic fibula compared to those with non-anatomic fibula. Although the anatomic fibula slows the rate of union, it prevents malalignment.

Anahtar Kelimeler

Tibia shaft fracture, intramedullary nailing, intact fibula, malunion, non-union

Kaynakça

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