Outcome after polyaxial locking plate osteosynthesis in proximal tibia fractures: a prospective clinical trial

Dominik Völk, Markus Neumaier, Heike Einhellig, Peter Biberthaler, Marc Hanschen

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung


Background: The aim of this study was to evaluate the clinical and/or radiologic outcome using different polyaxial locking plates for the treatment of proximal tibia fractures, the Non-Contact-Briding plate (NCB-PT®) by Zimmer or the Variable Angle Locking Compression Plate (VA-LCP®) by Synthes. Methods: This study enrolled 28 patients with proximal tibia fractures (AO/ OTA 41 B-C) and indication for locking plate osteosynthesis. All patients were treated with a polyaxial locking plate system. Depending on the fracture morphology, patients were either treated with a NCB-PT® or VA-LCP®. The implant was chosen according to the surgeon’s experience and preference, in case of a higher degree of comminution the tendency was observed to use the NCB-PT® plate. After a time interval of 12 months postoperative we conducted clinical (e.g.e.g.exempli gratia range of motion, the Rasmussen score) and radiological (e.g. primary/secondary loss of reduction) follow-ups. Results: Patients provided with the NCB-PT® (9 patients) showed longer operation time, use of longer implants, longer interval from injury to surgery and lower clinical scores after the 12 months follow-up compared with the VA-LCP® group (19 patients). Interestingly, the results showed no significant differences regarding the clinical and radiologic outcome. Conclusions: The small number of patients as well as the heterogeneity of fractures constitute a limitation of this study. Nevertheless, the differentiated use of implants is associated with comparable clinical and radiological outcomes. This trial emphasizes the need for further prospective randomised trials with higher patient numbers. Trial registration: Retrospectively registered 21.12.2020. Registration number NCT04680247.

FachzeitschriftBMC Musculoskeletal Disorders
PublikationsstatusVeröffentlicht - Dez. 2021
Extern publiziertJa


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