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Does low-magnitude high-frequency vibration enhance bone remodeling in fracture healing?.

Chow, Dick Ho Kiu. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2010. / Includes bibliographical references (leaves 93-103). / Abstracts in English and Chinese. / Abstract --- p.ii / Publications --- p.vii / Acknowledgement --- p.viii / Table of Contents --- p.x / List of Figures --- p.xiv / List of Tables --- p.xv / List of Abbreviations --- p.xvii / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Bone and its Cellular Components --- p.1 / Chapter 1.1.1 --- Cellular Components of Bone --- p.1 / Chapter 1.1.2 --- Macroscopic Structure --- p.4 / Chapter 1.1.3 --- Microscopic Structure --- p.4 / Chapter 1.2 --- Fracture Healing --- p.5 / Chapter 1.2.1 --- Inflammation --- p.6 / Chapter 1.2.2 --- Soft Callus Formation --- p.6 / Chapter 1.2.3 --- Hard Callus Formation --- p.7 / Chapter 1.2.4 --- Bone Remodeling --- p.7 / Chapter 1.3 --- Low Magnitude High Frequency Vibration (LMHFV) Stimulation --- p.7 / Chapter 1.3.1 --- Mechanical Stimulation --- p.10 / Chapter 1.3.2 --- Effect of LMHFV on Bone --- p.12 / Chapter 1.4 --- Osteoporosis and Osteoporotic Fractures --- p.16 / Chapter 1.4.1 --- Epidemiology of Osteoporotic Fracture --- p.17 / Chapter 1.4.2 --- Pathophysiology --- p.17 / Chapter 1.4.3 --- Osteoporotic Fracture Healing --- p.20 / Chapter 1.5 --- Bisphosphonate --- p.23 / Chapter 1.5.1 --- Background --- p.23 / Chapter 1.5.2 --- Mechanism of Action --- p.24 / Chapter 1.5.3 --- U sage of Bisphosphonate --- p.25 / Chapter 1.5.4 --- Bisphosphonate Effects on Fracture Healing --- p.27 / Chapter 1.6 --- Hypothesis --- p.27 / Chapter 1.7 --- Study Plan --- p.28 / Chapter 1.7.1 --- Objectives --- p.28 / Chapter 2 --- Method --- p.29 / Chapter 2.1 --- Ovariectomized Rat Femoral Fracture Model --- p.29 / Chapter 2.1.1 --- Ovariectomized Rat Model. --- p.29 / Chapter 2.1.2 --- Closed Femoral Fracture --- p.31 / Chapter 2.2 --- Study Design --- p.32 / Chapter 2.3 --- LMHFV Treatment Protocol --- p.32 / Chapter 2.4 --- Bisphosphonate Treatment Protocol --- p.35 / Chapter 2.4.1 --- Pharmacological Parameters --- p.35 / Chapter 2.4.2 --- Ibandronate Injection Solution Preparation --- p.37 / Chapter 2.4.3 --- Injection --- p.37 / Chapter 2.5 --- Fluorochrome Labeling --- p.38 / Chapter 2.5.1 --- Fluorochrome Preparation --- p.38 / Chapter 2.5.2 --- Injection --- p.38 / Chapter 2.6 --- Assessments --- p.39 / Chapter 2.6.1 --- Radiographic Analysis --- p.39 / Chapter 2.6.2 --- uCT Analysis --- p.40 / Chapter 2.6.3 --- Undecalcified Histology --- p.43 / Chapter 2.6.4 --- ELISA Analysis on Bone Markers --- p.47 / Chapter 2.7 --- Statistical Analysis --- p.50 / Chapter 3 --- Results --- p.51 / Chapter 3.1 --- Radiographic Analysis --- p.52 / Chapter 3.1.1 --- Callus Bridging Rate --- p.52 / Chapter 3.1.2 --- Callus Width and Area --- p.52 / Chapter 3.2 --- uCT Analysis --- p.55 / Chapter 3.3 --- Histomorphometric Analysis --- p.61 / Chapter 3.3.1 --- Bone Mineralization Rate --- p.61 / Chapter 3.4 --- Bone Markers Analysis --- p.64 / Chapter 3.4.1 --- Osteocalcin --- p.64 / Chapter 3.4.2 --- TRAP5b --- p.64 / Chapter 3.4.3 --- Summary --- p.67 / Chapter 4 --- Discussion --- p.69 / Chapter 4.1 --- LMHFV Enhanced Bone Remodeling --- p.69 / Chapter 4.1.1 --- LMHFV Reversed Bis Inhibition on Bone Remodeling --- p.70 / Chapter 4.1.2 --- LMHFV Effect on Osteoclastic Resorption During Bone Re-modeling --- p.71 / Chapter 4.2 --- Enhanced Fracture Healing by LMHFV --- p.72 / Chapter 4.2.1 --- Acceleration of Fracture Healing by LMHFV --- p.72 / Chapter 4.2.2 --- LMHFV Inhibits Osteoclast Activity in the Early Phase of Healing --- p.73 / Chapter 4.2.3 --- LMHFV Stimulates Osteoblast Activity in the Early Phase of Healing --- p.74 / Chapter 4.3 --- Bis Delays Fracture Healing --- p.75 / Chapter 4.4 --- Experimental Design --- p.78 / Chapter 4.4.1 --- Inhibition Study --- p.78 / Chapter 4.4.2 --- Bisphosphonate Injection Protocol --- p.79 / Chapter 4.4.3 --- Individual Analysis of Bone Formation and Resorption . --- p.81 / Chapter 4.5 --- Clinical Implications --- p.84 / Chapter 4.5.1 --- LMHFV Enhanced Remodeling --- p.84 / Chapter 4.5.2 --- Bisphosphonate Delayed Remodeling --- p.85 / Chapter 4.6 --- Limitations --- p.85 / Chapter 4.6.1 --- Measurement of Bone Resorption --- p.85 / Chapter 4.6.2 --- Osteoporotic Fracture Model --- p.86 / Chapter 4.6.3 --- Inhibition of Bone Remodeling --- p.87 / Chapter 4.7 --- Future Studies --- p.88 / Chapter 4.7.1 --- LMHFV Effect on Osteoclast in vitro --- p.88 / Chapter 4.7.2 --- Biomechanics of Fracture Callus --- p.89 / Chapter 4.7.3 --- LMHFV Effect on Leptin- Adrenergic Pathway --- p.89 / Chapter 5 --- Conclusion --- p.91 / Bibliography --- p.93

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_327235
Date January 2010
ContributorsChow, Dick Ho Kiu., Chinese University of Hong Kong Graduate School. Division of Orthopaedics and Traumatology.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xvii, 103 leaves : ill. (chiefly col.) ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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