Page 9 - (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-38829602-2', 'my-thesis.nl'); ga('send', 'pageview');

Content Chapter 1 Chapter 2
Chapter 3
Chapter 4 Chapter 5
Chapter 6 Chapter 7 Chapter 8
Chapter 9
Chapter 10 Chapter 11
General Introduction 9
Management of lumbar spinal stenosis: 15 a survey among Dutch spine surgeons
Effectiveness of interspinous implant surgery: 31 a systematic review and meta-analysis
The Felix Trial: design and protocol. 51
The Felix Trial: clinical results after one year and 69 subgroup analysis
The Felix Trial: clinical results after two years 93
The Felix Trial: cost-utility analysis 113
Preoperative MR imaging in patients with intermittent 129 neurogenic claudication: relevance for diagnosis and
prognosis
General discussion – scientific evaluation of spinal 149 implants; an ethical necessity
Summary 161 Samenvatting 167
List of publications 172 About the author 174 Acknowledgements 175