Poller blocking screw augmentation to treat delayed union of proximal tibial shaft fracture after locked IM nailing.

Alberto  Ferreli; Daniela Nonne; Angelo  Russo; Giuseppe Dessì; Giuseppe Marongiu

doi:10.23750/abm.v91i4.9206

Poller blocking screw augmentation to treat delayed union of proximal tibial shaft fracture after locked IM nailing.

Authors

Alberto Ferreli Division of Orthopaedics and Traumatology, Brotzu Hospital, Cagliari, Sardinia, Italy
Daniela Nonne Division of Orthopaedics and Traumatology, Brotzu Hospital, Cagliari, Sardinia, Italy
Angelo Russo Division of Orthopaedics and Traumatology, Brotzu Hospital, Cagliari, Sardinia, Italy
Giuseppe Dessì Division of Orthopaedics and Traumatology, Brotzu Hospital, Cagliari, Sardinia, Italy
Giuseppe Marongiu Orthopedic and Trauma Clinic, Ospedale Marino, Department of Surgical Sciences, University of Cagliari, Cagliari, Italy

DOI: https://doi.org/10.23750/abm.v91i4.9206

Keywords:

Poller screw, blocking screw, nonunion, delayed union, tibial fracture, IM nailing, fracture augmentation

Abstract

Cases: We present the cases of two adult male patients with painfully delayed union of proximal tibia diaphyseal fracture after intramedullary nailing. Patients underwent to nail dynamization and Poller blocking screw augmentation at 3 and 5 month, respectively, after the index surgery. Both patients were pain-free after the surgery and bone-union were radiographically evident after 3 months. At 12-month follow-up, patients returned to their previous activities.

Conclusions: Although nail dynamization is the choice treatment to obtain fracture compression for delayed union of tibial shaft fractures, augmentation with Poller blocking screw could provide additional mechanical stiffness in unstable supra-isthmic shaft fractures of the tibia and favour bone union.

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