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Influence of mechanical fixation on angiogenesis during bone healing process

  • Zhi Lun Zhou
  • , Feng Zhao
  • , Yang Yan
  • , Zhen Yuan
  • , Guan Zhong Yang
  • , Hao Yu
  • , Hao Su
  • , Tao Zhang
  • , Yubo Fan*
  • *Corresponding author for this work
  • Beihang University
  • Tianjin Medical University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

During bone fracture healing, both angiogenesis and mechanical fixation are of great significance. This study aims to obtain 3D structure of vascular network surrounding the fracture site at different healing times using vascular perfusion and micro-CT imaging technology, and to explore the influence of mechanical fixation on 3D structure of vascular network at the fracture site. To achieve the goal, transverse fracture surgery were performed on thirty six SD rats’ right tibias. Half of them (SF) received stable fixation with a newly custom-designed circular external fixator and the rest (NF) didn’t received any fixation devices. The imaging results indicated that compared with NF samples, SF samples contained more vascular distribution along the tibia, inferring a much more similar 3D structure to the CON samples (all of the thirty six rats’ left posterior limbs were taken as control group), which tends to be beneficial to the vascular reconstruction at the fracture site.

Original languageEnglish
Title of host publication1st Global Conference on Biomedical Engineering and 9th Asian-Pacific Conference on Medical and Biological Engineering
EditorsFong-Chin Su, Ming-Long Yeh, Shyh-Hau Wang
PublisherSpringer Verlag
Pages111-113
Number of pages3
ISBN (Electronic)9783319122618
DOIs
StatePublished - 2015
Event1st Global Conference on Biomedical Engineering, GCBME 2014 and 9th Asian-Pacific Conference on Medical and Biological Engineering, APCMBE 2014 - Tainan, Taiwan, Province of China
Duration: 9 Oct 201412 Oct 2014

Publication series

NameIFMBE Proceedings
Volume47
ISSN (Print)1680-0737
ISSN (Electronic)1433-9277

Conference

Conference1st Global Conference on Biomedical Engineering, GCBME 2014 and 9th Asian-Pacific Conference on Medical and Biological Engineering, APCMBE 2014
Country/TerritoryTaiwan, Province of China
CityTainan
Period9/10/1412/10/14

Keywords

  • 3D structure
  • Angiogenesis
  • Mechanical fixation
  • Micro-CT imaging
  • Vascular perfusion

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