Related Experiment Video
Updated: Jun 19, 2026
08:04
Proximal Cadaveric Femur Preparation for Fracture Strength Testing and Quantitative CT-based Finite Element Analysis
Published on: March 11, 2017
Assessment of bone quality using finite element analysis based upon micro-CT images
Yumie Rhee1, June-Huyck Hur, Ye-Yeon Won
1Department of Internal Medicine, Endocrinology, Yonsei University, Seoul, Korea.
Clinics in Orthopedic Surgery
|November 4, 2009
Summary
A micro-image based finite element model effectively assessed sequential osteoporosis treatments in rats. This method revealed significant improvements in bone quality and mechanical properties with parathyroid hormone maintenance and zoledronate treatments.
Area of Science:
- Biomedical Engineering
- Orthopedics
- Osteoporosis Research
Background:
- Osteoporosis significantly impacts bone quality, necessitating effective treatment evaluation methods.
- Assessing sequential treatment efficacy in osteoporosis models is crucial for understanding bone restoration and maintenance.
- Micro-image based finite element analysis offers a potential tool for evaluating bone micro-structure and mechanical properties.
Purpose of the Study:
- To evaluate the feasibility of a micro-image based finite element model (FEM) for assessing sequential osteoporosis treatments.
- To determine the efficacy of various sequential treatments on bone quality in a rat osteoporosis model.
- To analyze changes in bone mechanical properties using FEM in response to different treatment strategies.
Main Methods:
- Established rat osteoporosis and treated models using a bone loss, restore, and maintain concept.
- Administered sequential treatments including parathyroid hormone (PTH), 17 beta-estradiol, and zoledronate to ovariectomized rats.
- Utilized micro-computed tomography (micro-CT) for histomorphometry and FEM for mechanical property analysis (stiffness, Young's modulus).
Main Results:
- Histomorphometry and mechanical properties were significantly improved in groups receiving parathyroid hormone maintenance (group 3) and zoledronate (group 6) compared to control groups.
- The highest stiffness and Young's modulus were observed in the parathyroid hormone maintenance group, followed by the zoledronate group.
- Micro-image based FEM effectively reflected micro-structural and mechanical property changes in rat vertebral bodies.
Conclusions:
- Micro-image based finite element analysis is a feasible and valuable tool for evaluating bone quality changes in osteoporosis models.
- Sequential treatments involving parathyroid hormone maintenance and zoledronate demonstrate significant efficacy in improving bone mechanical properties.
- The study supports the use of FEM in conjunction with micro-imaging for assessing the impact of therapeutic interventions on bone health.
