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Pecin M, Stokovic N, Ivanjko N, et al. A novel autologous bone graft substitute containing rhBMP6 in autologous blood coagulum with synthetic ceramics for reconstruction of a large humerus segmental gunshot defect in a dog: The first veterinary patient to receive a novel osteoinductive therapy. Bone Rep. 2021;14:100759doi: 10.1016/j.bonr.2021.100759.
Pecin, M., Stokovic, N., Ivanjko, N., Smajlovic, A., Kreszinger, M., Capak, H., Vrbanac, Z., Oppermann, H., Maticic, D., & Vukicevic, S. (2021). A novel autologous bone graft substitute containing rhBMP6 in autologous blood coagulum with synthetic ceramics for reconstruction of a large humerus segmental gunshot defect in a dog: The first veterinary patient to receive a novel osteoinductive therapy. Bone reports, 14100759. https://doi.org/10.1016/j.bonr.2021.100759
Pecin, Marko, et al. "A novel autologous bone graft substitute containing rhBMP6 in autologous blood coagulum with synthetic ceramics for reconstruction of a large humerus segmental gunshot defect in a dog: The first veterinary patient to receive a novel osteoinductive therapy." Bone reports vol. 14 (2021): 100759. doi: https://doi.org/10.1016/j.bonr.2021.100759
Pecin M, Stokovic N, Ivanjko N, Smajlovic A, Kreszinger M, Capak H, Vrbanac Z, Oppermann H, Maticic D, Vukicevic S. A novel autologous bone graft substitute containing rhBMP6 in autologous blood coagulum with synthetic ceramics for reconstruction of a large humerus segmental gunshot defect in a dog: The first veterinary patient to receive a novel osteoinductive therapy. Bone Rep. 2021 Feb 25;14:100759. doi: 10.1016/j.bonr.2021.100759. eCollection 2021 Jun. PMID: 33732816; PMCID: PMC7937538.
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Bone Rep. 2021 Feb 25;14:100759. doi: 10.1016/j.bonr.2021.100759. eCollection 2021 Jun.

A novel autologous bone graft substitute containing rhBMP6 in autologous blood coagulum with synthetic ceramics for reconstruction of a large humerus segmental gunshot defect in a dog: The first veterinary patient to receive a novel osteoinductive therapy.

Bone reports

Marko Pecin, Nikola Stokovic, Natalia Ivanjko, Ana Smajlovic, Mario Kreszinger, Hrvoje Capak, Zoran Vrbanac, Hermann Oppermann, Drazen Maticic, Slobodan Vukicevic

Affiliations

  1. Clinics for Surgery, Orthopedics and Ophthalmology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia.
  2. Laboratory for Mineralized Tissues, Centre for Translational and Clinical Research, School of Medicine, University of Zagreb, Zagreb, Croatia.
  3. Department of Radiology, Ultrasound Diagnostics and Physical Therapy, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia.
  4. Genera Research, Kalinovica, Rakov Potok, Croatia.

PMID: 33732816 PMCID: PMC7937538 DOI: 10.1016/j.bonr.2021.100759

Abstract

BACKGROUND: Management of large segmental defects is one of the most challenging issues in bone repair biology. Autologous bone graft substitute (ABGS) containing rhBMP6 within autologous blood coagulum (ABC) with synthetic ceramics is a novel biocompatible therapeutic solution for bone regeneration.

CASE PRESENTATION: A 2-year old dog was brought to the veterinary clinics due to pain and bleeding from the right front leg after being unintendedly hit by a gunshot. Radiological examination revealed a large, 3 cm long multisegmental defect of the humerus on the right front leg with a loss of anatomical structure in the distal portion of the bone. The defect was treated surgically and an external fixator was inserted to ensure immobilization. Complete lack of bone formation 3 months following surgery required a full reconstruction of the defect site with a novel ABGS (rhBMP6 in ABC with ceramic particles) to avoid front leg amputation. The healing was then followed for the next 16 months. The callus formation was observed on x-ray images 2 months following ABGS implantation. The bone segments progressively fused together leading to the defect rebridgment allowing removal of the external fixator by 4 months after the reconstruction surgery. At the end of the observation period, the function of the leg was almost fully restored while analyses of the humeral CT sections revealed restoration and cortices rebridgment with a renewal of uniform medullary canal including structural reconstruction of the distal humerus.

CONCLUSION: This large humeral gunshot segmental defect of the front leg in a dog was saved from amputation

© 2021 The Author(s).

Keywords: BMP; Bioceramics; Bone morphogenetic proteins; Segmental defect; TCP; Tissue engineering

Conflict of interest statement

HO is an employee of Genera Research; SV and HO hold a patent WO2019076484A1 issued to Genera Research.

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