Modified two-tension-band for patellar fractures.

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Abstract

[Indexed for MEDLINE] 7. Unfallchirurg. 2019 Mar;122(3):225-237. doi: 10.1007/s00113-019-0611-2. [Patellar fractures]. [Article in German] Pesch S(1), Kirchhoff K(1), Biberthaler P(1), Kirchhoff C(2). Author information: (1)Klinik und Poliklinik für Unfallchirurgie, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675, München, Deutschland. (2)Klinik und Poliklinik für Unfallchirurgie, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675, München, Deutschland. Chlodwig.Kirchhoff@mri.tum.de. Patellar fractures are a relatively rare entity with an prevalence of 1%. Preoperative computed tomography has gained a significant role as a diagnostic tool for patellar fractures in recent years. It enables an exact assessment of the fracture and helps in the decision making for the correct treatment procedure. Therapeutically, the armamentarium was supplemented by angle stable plate fixation, which potentially enables a better reconstruction of the patella than the conventional tension band fixation. In this context, the results of angle stable plate fixation are promising in terms of functional outcome and lower complication rates. The proven tension band fixation using K‑wires or cannulated screws continues to be widespread in clinical practice and retains significance for simple patellar fractures. The use of polyethylene thread material instead of steel wire has shown advantages in biomechanical studies but the clinical application is more restrained. DOI: 10.1007/s00113-019-0611-2