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Biomed Res Ther. 2015; 2(11): 389-395


Mini-invasive treatment for delayed or non-union: the use of percutaneous autologous bone marrow injection

Trung Hau LE THUA, Duy-Thang NGUYEN, Dang Nhat PHAM, Khanh-Linh LE, Quy Ngoc Bao LE, Phan Huy NGUYEN, Thi Thuy Hoa PHAN, Hoang Duy PHAN, Phuoc Quang LE, Willy Denis BOECKX, Albert DE MEY.

Abstract
Delayed union or nonunion of bone fracture is becoming less frequent, but still remains a challenging clinical problem. Autologous cancellous bone grafting that is the gold standard method, often involves donor site morbidities and complications. Once these fractures have been mechanically stabilized, other local factors should be investigated to promote delayed healing. The purpose of this study was to evaluate the initial outcome of the percutaneous injection of autologous bone marrow after concentration for the treatment of delayed or nonunion. Our subjects included 10 patients of delayed or nonunion fracture (3 female, 7 male) with an average age of 28 years. All fractures were mechanically stabilized after accident. Delayed or nonunion affected the femur in 2 patients, the tibia in 5 patients, the humerus in 2 patients, and the ulna in 1 patient. Bone marrow aspirates were obtained from both the posterior superior iliac crest. Bone marrow aspiration concentrate was produced via density gradient centrifugation. Trocars were inserted in the delayed or nonunion gap under fluoroscopic guidance. The bone marrow aspiration concentrate was injected slowly. As results, all of 10 delayed or nonunion healed after treatment with percutaneous injection of autologous bone marrow. The mean time for new bone formation was 3.3 months, for clinical union was 5.2 months, and for radiological union was 11.8 months. The current study is encouraging in the initial outcome and percutaneous bone marrow implantation could be an effective and safe treatment for delayed or nonunion.

Key words: Delayed union, nonunion, mesenchymal stem cells, bone marrow aspiration concentrate, and percutaneous autologous bone marrow injection



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The articles in Bibliomed are open access articles licensed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (https://creativecommons.org/licenses/by-nc-sa/4.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.
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