• Giuseppe Toro, Francesco Langella, Michele Gison, Gabriella Toro, Antimo Moretti, Antonio Toro, and Giovanni Iolascon.
• Department of Medical and Surgical Specialties and Dentistry, University of Campania "Luigi Vanvitelli", Naples, Italy. Electronic address: peppetoro@msn.com.
• Injury. 2019 Jul 1; 50 Suppl 2: S70-S74.

AbstractCalcaneus is the most common site of hindfoot fracture, frequently caused by fall from height or high energy trauma. The therapeutic strategy ranged from non-operative to ORIF (Open Reduction Internal Fixation). Indications for percutaneous fixation include soft tissue damage or relative contraindications to open surgery. Minimally invasive percutaneous calcaneoplasty should be an alternative to ORIF aiming to reach a stable reduction, early functional recovery and short hospital stay. The aim of our study was to evaluate the clinical and radiographic outcomes of calcaneus fractures treated with balloon calcaneoplasty (BCP) by using a new generation vertebral augmentation system, VBS™-Vertebral Body Stent-DePuy Synthes. A total of 10 patients treated with VBS™ system were recruited for the study. Nine fractures were caused by a fall from height and one case by traffic accident. The mean follow-up was 8.9 months (range 2.6-23.1). The fractures were categorized according to Sanders and Essex-Lopresti classifications (5: type II, 3: type III and 2: type IV; 9: "joint depression" type and 1 case "tongue" type). Radiographic measurement (Böhler's and Gissane's angles) were evaluated at both pre-operative and immediate postoperative time. The American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot score as well as a subjective evaluation (Visual Analog Scale, VAS) were used for the clinical assessment at the last follow-up. Mean preoperative Böhler's angle was 12.3 ± 8.41° (95% CI 6.3-18.3°), whereas mean preoperative Gissane's angle was 123.66 ± 20.47° (95% CI 109.0-138.3°). At postoperative follow-up mean Böhler's angle increased to 21.51 ± 4.17° (95% CI 18.5-24.5°; p < 0.01), and mean postoperative Gissane's angle was 121.74°±6.82° (95% CI 116.8°-126.6°). Mean AOFAS at the last follow-up was 70.4 ± 17.44 (95% CI 57.9-82.8). Our study demonstrates that percutaneous calcaneoplasty using VBS™ is an effective treatment for calcaneus fracture and capable to implement correction manoeuvre with clinical and radiographic outcomes comparable with other percutaneous stentoplasty.Copyright © 2019 Elsevier Ltd. All rights reserved.

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