Cone beam-navigated core decompression of bone marrow edema syndrome
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ORTHOPAEDIC SURGERY
Cone beam‑navigated core decompression of bone marrow edema syndrome Timo Zippelius1 · Patrick Strube1 · Georg Matziolis1 · Eric Röhner1 · Sabrina Böhle1 · Steffen Brodt1 Received: 24 April 2019 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Introduction The aim of the study was to compare decompression of bone-marrow edema or osteonecrosis of the proximal femur by means of a cone beam-based imaging and navigation system (cone beam-navigated decompression, CBND) with decompression by the conventional technique of drilling using fluoroscopy (FD). Materials and methods The data of patients with bone-marrow edema syndrome treated between 2016 and 2018 by drilling of the proximal femur in CBND or FD technique were compared retrospectively. Results Each treatment group included 20 patients. The mean operating time for CBND was 16.4 ± 5.8 min, compared with 29.1 ± 20.8 min for FD (p = 0.018). The lesion was definitely reached by CBND in 19/20 patients. Eighteen of the 20 patients in the CBND group reported that their pain decreased after the treatment, compared with 12/20 patients in the FD group (p = 0.065). The radiation dosage was significantly higher (p
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