• Injury · Aug 2024

    Multicenter Study Observational Study

    Preliminary results of stabilization of far distal tibia fractures with the distal tibial nail: A prospective, multicenter case series study.

    • Yasuaki Yamakawa, Takenori Uehara, Kenji Shigemoto, Shimpei Kitada, Atsuhiko Mogami, Naofumi Shiota, Takeshi Doi, Masahide Yoshimura, Tomoyuki Noda, Takeshi Sawaguchi, Sebastian Kuhn, and Pol Maria Rommens.
    • Department of Orthopedic Surgery, Okayama University Hospital, Okayama, Japan; Department of Orthopedic Surgery, Kochi Health Sciences Center, Kochi, Japan. Electronic address: yamakawayasuaki@yahoo.co.jp.
    • Injury. 2024 Aug 1; 55 (8): 111634111634.

    IntroductionThe distal tibial nail (DTN) is a novel retrograde intramedullary nail used for distal tibial fracture stabilization. We investigated the clinical results of DTN use for distal tibial fractures and compared them with those reported in the literature on locking plates and antegrade intramedullary nails.Materials And MethodsThis multicenter, prospective, observational cohort study examined distal tibial fractures with AO/OTA classification 43 types: A1, A2, A3 or C1. The primary outcomes included bone union rate, soft tissue problems, and surgical complications. Secondary outcomes were EuroQol-5 Dimension-5 Level (EQ-5D-5L), Self-Administered Foot Evaluation Questionnaire (SAFE-Q), and American Orthopaedic Foot and Ankle Society (AOFAS) hindfoot clinical scores 1 year postoperatively. Incidence of varus or valgus/anterior-posterior flexion deformity with a difference of ≥5° and postoperative reduction loss rate were evaluated.ResultsFive men and five women were enrolled (mean age, 69 years [range, 30-77 years]), including one open-fracture-type Gustilo type IIIB case. Bone union was observed in all patients at 6 months postoperatively. Delayed union, leg edema, and guide pin breakage were observed in three, one, and one cases, respectively. No soft tissue or surgical complications were observed. During the final follow-up, the EQ-5D-5L, SAFE-Q, and AOFAS hindfoot scores were 0.876 (0.665-1.0), 83-92, and AOFAS 92.6 (76-100), respectively. Varus and retroflexion deformities were observed in one case each.DiscussionDTN has been reported to have biomechanically equivalent or stronger fixation strength than locking plates or antegrade intramedullary nails. In addition, while DTN was thought to be less invasive for soft tissue and can avoid injury to the knee, it was thought that care should be taken to avoid medial malleolus fractures and posterior tibialis tendon injuries. Comparisons with literature treatment results for locking plates and antegrade intramedullary nails showed comparable to advantageous results.ConclusionsDTN treatment results for distal tibial fractures were as good as those for locking plates and antegrade intramedullary nails. DTN is useful for stabilization and does not compromise the surrounding soft tissues.Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.

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