Publication details

Zlomeniny krčku talu léčené perkutánně zavedenými šrouby

Title in English Talar Neck Fractures Treated Using Percutaneous Screw Fixation


Year of publication 2017
Type Article in Periodical
Magazine / Source Acta chirurgiae orthopaedicae et traumatologiae Čechoslovaca
MU Faculty or unit

Faculty of Medicine

Field Traumatology and orthopaedic surgery
Keywords talus;closed;reduction;percutaneous;fixation;screw
Description ABSTRACT PURPOSE OF THE STUDY Closed reduction and percutaneous fixation of nondisplacedtalar neck fractures have been applied by some authors. The aim of this paper is to assess the results and complications of this minimally invasive technique. MATERIAL AND METHODS In the period from 2009 to 2014, twenty-one patients with a talar neck fracture were observed after closed reduction and percutaneous screw fixation in the Traumatological Hospital in Brno. The mean age of the patients was 38 years (range 18-56 years). The mechanism of injury was a motor vehicle accident in 11 cases, a fall from height in six cases, a sports injury in 3 cases, and a fall from stairs in one case. Injuries were classified according to the Hawkins classification. Conventional preoperative 3-dimensional CT scans of the fractures were analysed. Under the guidance of C-arm fluoroscopy Kirscher wires were used for closed reduction and temporary percutaneous fixation. Subsequently, 3.5 and 4.5 mm diameter cannulated screws were inserted. The outcome was evaluated on the American Orthopaedic Foot and Ankle Society (AOFAS) scoring scale. RESULTS The average follow-up was 32 months (21-42 months). The average healing time was 15.5 weeks (13-19 weeks). The average AOFAS score was 82.3 points (69-96 points). 75% of patients with type I injury achieved excellent results and 72% of patients with type II injury achieved excellent or good results. None of the patients developed wound complications. Two patients developed partial avascular necrosis and three patients subtalar traumatic arthritis after surgery. DISCUSSION Talar neck fractures are relatively uncommon fractures. Most of the published studies are small. Tenuous blood supply and displaced talar neck fracture predispose to avascular necrosis of the talus. Closed reduction and percutaneous fixation can reduce the soft tissue damage and disturbance to the blood supply. CONCLUSIONS Preoperative 3D CT scans, early surgery, anatomic articular surface reduction and percutaneous screw fixation increase the fracture healing rate and reduce the incidence of talar avascular necrosis.

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