• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 20
  • 8
  • 4
  • Tagged with
  • 32
  • 32
  • 32
  • 32
  • 12
  • 7
  • 6
  • 5
  • 5
  • 4
  • 4
  • 4
  • 4
  • 4
  • 3
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
31

The effect of shock wave delivery rate on stone clearance, pain tolerance and renal injury in extracorporeal shock wave lithotripsy. / 沖擊波輸出頻率在體外沖擊波碎石治療的治療成效、病人對治療忍耐程度和對腎臟創傷的影響 / Chong ji bo shu chu pin lu zai ti wai chong ji bo sui shi zhi liao de zhi liao cheng xiao, bing ren dui zhi liao ren nai cheng du he dui shen zang chuang shang de ying xiang

January 2011 (has links)
by Lo, Kin Yin Anthony. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 168-195). / Abstracts in English and Chinese. / Abstract --- p.i / Declaration --- p.V / Publications and Conference Presentations --- p.vi / Scholarships and Awards --- p.vii / Acknowledgements --- p.viii / Table of contents --- p.X / Abbreviations --- p.xiv / List of Figures --- p.xvi / List of Tables --- p.xvii / Chapter 1. --- General Introduction --- p.1 / Chapter 2. --- Literature Review --- p.7 / Chapter 2.1 --- Introduction of nephrolithasis and surgical management --- p.9 / Chapter 2.1.1 --- Epidemology and physiochemistry --- p.9 / Chapter 2.1.2 --- Surgical management of nephrolithasis parallel with stone factors --- p.15 / Chapter 2.2 --- Extracorpoeral Shock Wave Lithotripsy in present study --- p.17 / Chapter 2.2.1 --- The 4th generation - Sonolith Vision electroconductive lithotripter --- p.18 / Chapter 2.2.2 --- The role of shock wave delivery rate in treatment outcome and its prediction --- p.23 / Chapter 2.2.3 --- Patient-controlled analgesia during Shock Wave Lithotripsy treatment and its pain management --- p.29 / Chapter 2.2.4 --- Shock wave induced renal injury & the use of urinary biomarker --- p.35 / Chapter 3. --- Materials and Methods --- p.62 / Chapter 3.1 --- Study Design --- p.63 / Chapter 3.2 --- Patient Selection --- p.64 / Chapter 3.3 --- Treatment Protocol --- p.63 / Chapter 3.4 --- Sample size calculation --- p.68 / Chapter 3.5 --- Statistical analysis --- p.68 / Chapter 4. --- The effect of shock wave delivery rate on treatment outcome and its prediction --- p.69 / Chapter 4.1 --- Introduction --- p.70 / Chapter 4.2 --- Materials and Methods --- p.72 / Chapter 4.2.1 --- ESWL treatment protocol --- p.72 / Chapter 4.2.2 --- Outcome Assessment --- p.73 / Chapter 4.2.3 --- Mathematical model development --- p.75 / Chapter 4.2.4 --- Statistical analysis --- p.76 / Chapter 4.3 --- Results --- p.77 / Chapter 4.3.1 --- Baseline characteristics and treatment modalities --- p.78 / Chapter 4.3.2 --- ESWL treatment outcome --- p.79 / Chapter 4.3.3 --- Mathematical model --- p.81 / Chapter 4.4 --- Discussion --- p.82 / Chapter 4.4.1 --- Overall treatment outcome improved by the use of slower rate --- p.82 / Chapter 4.4.2 --- When should we use fast/slow rate? --- p.86 / Chapter 4.4.3 --- Mathematical model to predict ESWL outcome --- p.88 / Chapter 4.5 --- Conclusion --- p.91 / Chapter 5. --- The role of shock wave delivery rate and patient-controlled analgesia in pain --- p.101 / Chapter 5.1 --- Introduction --- p.102 / Chapter 5.2 --- Materials and Methods --- p.104 / Chapter 5.2.1 --- ESWL treatment protocol and PCA settings --- p.104 / Chapter 5.2.2 --- Outcome Assessment --- p.105 / Chapter 5.2.3 --- Statistical analysis --- p.107 / Chapter 5.3 --- Results --- p.108 / Chapter 5.3.1 --- Baseline characteristics and treatment modalities --- p.108 / Chapter 5.3.2 --- Pain experience and satisfaction with PCA at different shock wave delivery rates --- p.108 / Chapter 5.3.3 --- Correlation between rate pain --- p.110 / Chapter 5.3.4 --- Vital signs --- p.110 / Chapter 5.4 --- Discussion --- p.111 / Chapter 5.4.1 --- Adverse complication was mild with PCA using alfentanil --- p.111 / Chapter 5.4.2 --- Less pain experience with 60 SWs/min --- p.112 / Chapter 5.4.3 --- Why PCA usage was the same in both groups? --- p.112 / Chapter 5.4.4 --- No correlation with treatment outcome --- p.114 / Chapter 5.5 --- Conclusion --- p.115 / Chapter 6. --- "The relations among rate of shock wave delivery, induced renal injury and acute complications" --- p.128 / Chapter 6.1 --- Introduction --- p.129 / Chapter 6.2 --- Materials and Methods --- p.130 / Chapter 6.2.1 --- ESWL treatment protocol --- p.130 / Chapter 6.2.2 --- Outcome Assessment --- p.131 / Chapter 6.2.3 --- Statistical analysis --- p.136 / Chapter 6.3 --- Results --- p.137 / Chapter 6.3.1 --- Baseline characteristics and treatment modalities --- p.137 / Chapter 6.3.2 --- Quality control of creatinine and NAG --- p.137 / Chapter 6.3.3 --- Standard curves ofIL-18 and NGAL --- p.137 / Chapter 6.3.4 --- Higher levels of urinary NAG and IL-18 in 60 SWs/min group --- p.138 / Chapter 6.3.5 --- Similar levels of urinary NGAL in both groups --- p.138 / Chapter 6.3.6 --- Unplanned hospital visits were similar in both groups --- p.139 / Chapter 6.4 --- Discussion --- p.140 / Chapter 6.4.1 --- More tubular damages caused by slower rate --- p.140 / Chapter 6.4.2 --- Escalated inflammatory activities in 60 SWs/min --- p.141 / Chapter 6.4.3 --- Vascular damage and ischemic insults were the same in both groups? --- p.142 / Chapter 6.4.4 --- Post-operative complications are similar in both groups --- p.142 / Chapter 6.4.5 --- 60 SWs/min vs. 120 SWs/min - What makes the difference in renal injury? --- p.143 / Chapter 6.5 --- Conclusion --- p.145 / Chapter 7. --- Discussion --- p.154 / Chapter 7.1 --- General discussion --- p.155 / Chapter 8. --- Conclusion --- p.158 / Chapter 8.1 --- General conclusion --- p.159 / Appendix --- p.160 / Appendix I --- p.161 / Appendix II --- p.163 / References --- p.167
32

The use of low intensity pulsed ultrasound and mesenchymal stem cells in enhancing spinal fusion: --an in vitro and in vivo study.

January 2009 (has links)
Hui, Fan Fong. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2009. / Includes bibliographical references (leaves 153-181). / Abstract also in Chinese. / Acknowledgements --- p.ii / Abstract --- p.iii / Abbreviations --- p.vii / Table of Contents --- p.ix / List of Tables --- p.xv / List of Tables --- p.xv / List of Figures --- p.xvi / Major Conference Presentations --- p.xix / Publications in Preparation --- p.xxii / Chapter Chapter 1 --- Study Background --- p.1 / Chapter 1. --- Introduction --- p.2 / Chapter 1.1. --- Spinal Deformities --- p.2 / Chapter 1.1.1. --- Treatment --- p.2 / Chapter 1.2. --- Spinal fusion --- p.4 / Chapter 1.2.1. --- Gold Standard of Spinal Fusion --- p.4 / Chapter 1.2.2. --- Decortication in Spinal Fusion --- p.4 / Chapter 1.2.3. --- Autograft in Spinal Fusion --- p.4 / Chapter 1.2.4. --- Local Factors Influencing Spinal Fusion --- p.5 / Chapter 1.2.5. --- Ultimate Goals of Spinal Fusion --- p.7 / Chapter 1.2.6. --- Limitations of Spinal fusion --- p.7 / Chapter 1.3. --- Alternatives of Different Components for Enhancing Spinal Fusion / Chapter 1.3.1. --- Bone Graft Substitute --- p.9 / Chapter 1.3.2. --- Bioactive Factors --- p.15 / Chapter 1.4. --- Limitations of the Alternative Methods in Spinal Fusion Enhancement --- p.19 / Chapter 1.4.1. --- BMPs --- p.19 / Chapter 1.4.2. --- Gene Therapy --- p.20 / Chapter 1.4.3. --- Biophysical Stimulation --- p.20 / Chapter 1.5. --- Recent Methods in Enhancing Spinal Fusion --- p.21 / Chapter 1.5.1. --- Low Intensity Pulsed Ultrasound --- p.21 / Chapter 1.5.2. --- Mesenchymal Stem Cells in Spinal Fusion --- p.24 / Chapter 1.6. --- Conclusion --- p.26 / Chapter Chapter 2 --- "Hypothesis, Objectives and Plan of Study" --- p.29 / Chapter 2. --- "Hypothesis, Objectives and Plan of Study" --- p.30 / Chapter 2.1 --- Study Hypothesis --- p.31 / Chapter 2.2 --- Study Objectives --- p.31 / Chapter 2.3 --- Plan of Study --- p.32 / Chapter 2.3.1 --- For First Objective --- p.32 / Chapter 2.3.2 --- For Second Objective --- p.32 / Chapter 2.3.3 --- For Third Objective --- p.33 / Chapter Chapter 3 --- In vitro Study of Effect of Low Intensity Pulsed Ultrasound on Mesenchymal Stem Cells --- p.34 / Chapter 3.1. --- Introduction --- p.35 / Chapter 3.2. --- Materials and Methods --- p.36 / Chapter 3.2.1. --- Experimental Animal --- p.36 / Chapter 3.2.2. --- Materials and Reagents --- p.36 / Chapter 3.2.2.1. --- Dulbecco,s Modified Eagle Medium (DMEM) --- p.36 / Chapter 3.2.2.2. --- Phosphate Buffered Saline (PBS) --- p.37 / Chapter 3.2.2.3. --- Osteogenic Medium (OS) --- p.37 / Chapter 3.2.2.4. --- Alkaline Phosphatase (ALP) Buffer --- p.37 / Chapter 3.2.2.5. --- ALP Substrate Buffer --- p.38 / Chapter 3.2.2.6. --- MTT Stock Solution --- p.38 / Chapter 3.2.2.7. --- MTT Working Solution --- p.38 / Chapter 3.2.2.8. --- Lysis buffer --- p.38 / Chapter 3.2.2.9. --- Alkaline Phosphatase (ALP) Working Reagents --- p.39 / Chapter 3.2.3. --- Isolation of Bone Marrow Derived Mesenchymal Stem Cells (BM derived MSCs) --- p.39 / Chapter 3.2.4. --- In vitro Low Intensity Pulsed Ultrasound Treatment --- p.40 / Chapter 3.2.4.1. --- In vitro LIPUS Devices --- p.40 / Chapter 3.2.4.2. --- Treatment Procedure and Experimantal Groupings --- p.40 / Chapter 3.2.5. --- Effect of LIPUS on Cell Viability and Osteogenesis in bone marrow derived-MSCs --- p.41 / Chapter 3.2.5.1. --- Cell Viability Assay --- p.41 / Chapter 3.2.5.2. --- Alkaline Phosphatase (ALP) Enzyme Activity --- p.42 / Chapter 3.2.5.3. --- Cell Morphology and Alkaline Phosphatase Cytochemistry --- p.42 / Chapter 3.2.6. --- Statistical Analysis --- p.43 / Chapter 3.3. --- Results --- p.43 / Chapter 3.3.1. --- Morphology --- p.43 / Chapter 3.3.2. --- Total Number of Viable Cells --- p.44 / Chapter 3.3.3. --- ALP Activity Absorbance --- p.44 / Chapter 3.3.4. --- ALP staining --- p.45 / Chapter 3.3.5. --- Qualitative Analysis --- p.45 / Chapter 3.3.6. --- Quantitative Analysis --- p.46 / Chapter 3.4. --- Discussion --- p.46 / Chapter 3.4.1. --- LIPUS have No Enhancing Effect on Proliferation of MSCs in Basal Medium Nor Osteogenic Medium --- p.47 / Chapter 3.4.2. --- LIPUS Stimulate Proliferation of MSCs in Early Period --- p.49 / Chapter 3.4.3. --- LIPUS Further Enhanced Osteogenesis of MSCs in Osteogenic Medium --- p.49 / Chapter 3.4.4. --- 10 mins LIPUS treatment for 7 days can positively enhance osteogenic differentiation --- p.50 / Chapter 3.4.5. --- Optimum Conditions of LIPUS was Cell Type Dependent --- p.51 / Chapter 3.4.6. --- LIPUS Promoted Osteogenesis in MSCs through Accelerated Mineralization --- p.52 / Chapter Chapter 4 --- Enhancement of Posterior Spinal Fusion The Effect of Tissue-Engineered MSC and Calcium Phosphate Ceramic composite treated with LIPUS in Vivo --- p.68 / Chapter 4.1. --- Introduction --- p.69 / Chapter 4.1.1. --- TCP Biomaterials --- p.70 / Chapter 4.2. --- Materials and Methods --- p.71 / Chapter 4.2.1. --- Materials and Reagents --- p.71 / Chapter 4.2.2. --- Preparation of MSC Derived Osteogenic Cells-tricalcium Phosphate Ceramics Composite --- p.73 / Chapter 4.2.3. --- Posterior Spinal Fusion Surgery --- p.74 / Chapter 4.2.4. --- In vivo LIPUS treatment --- p.75 / Chapter 4.2.5. --- Assessment of Fusion Mass --- p.76 / Chapter 4.2.6. --- Histology --- p.77 / Chapter 4.2.7. --- Statistical Analysis --- p.79 / Chapter 4.3. --- Results --- p.79 / Chapter 4.3.1. --- Fusion by Manual Palpation --- p.79 / Chapter 4.3.2. --- pQCT Analysis --- p.80 / Chapter 4.3.3. --- Histological Analysis --- p.81 / Chapter 4.4. --- Discussion --- p.85 / Chapter 4.4.1. --- Summary of the Findings from Different Assessment Methods --- p.85 / Chapter 4.4.2. --- Addition of MSCs to TCP ceramic in Spinal Fusion --- p.87 / Chapter 4.4.3. --- The Needs of Differentiated MSC in Spinal Fusion --- p.89 / Chapter 4.4.4. --- bFGF Masked the Effect of OS in MSC --- p.91 / Chapter 4.4.5. --- LIPUS Enhanced Bone Formation --- p.95 / Chapter 4.4.6. --- LIPUS Enhanced Bone Formation through Mineralization --- p.96 / Chapter 4.4.7. --- LIPUS Enhanced Spinal Fusion through Bone Remodeling-induced Fusion Mass --- p.97 / Chapter 4.4.8. --- LIPUS Enhanced Bone Formation through Endochondral Ossification --- p.99 / Chapter Chapter 5 --- In Vivo Monitoring of Spinal Fusion in Animal Model with High-resolution Peripheral Quantitative Computed Tomography-A New Pilot Study --- p.122 / Chapter 5.1. --- Introduction --- p.123 / Chapter 5.2. --- Materials and Methods --- p.124 / Chapter 5.2.1. --- Animal Groupings --- p.124 / Chapter 5.2.2. --- Preparation of MSC Derived Osteogenic Cells-tricalcium Phosphate Ceramics Composite --- p.124 / Chapter 5.2.3. --- Posterior Spinal Fusion Operation Procedures --- p.125 / Chapter 5.2.4. --- LIPUS treatment --- p.125 / Chapter 5.2.5. --- High-resolution Peripheral Quantitative Computed Tomography …- --- p.125 / Chapter 5.2.6. --- Analysis with HR-pQCT --- p.126 / Chapter 5.3. --- Result --- p.128 / Chapter 5.3.1. --- Qualitative Observations from HR-pQCT Images --- p.128 / Chapter 5.3.2. --- Quantitative Analysis --- p.129 / Chapter 5.4. --- Discussion --- p.130 / Chapter Chapter 6 --- "Overall Summary, Discussion and Conclusion" --- p.140 / Chapter 6.1. --- Overall Summary and Discussion --- p.141 / Chapter 6.2. --- Limitations and Further Studies --- p.145 / Chapter 6.3. --- Conclusions --- p.147 / Chapter 6.4. --- Summary Flowchart of the whole thesis --- p.148 / References --- p.153

Page generated in 0.1171 seconds