SPINE An International Journal for the study of the spine Publish Ahead of Print DOI: 10.1097/BRS.0000000000002291 REOPERATION RATES FOLLOWING INSTRUMENTED LUMBAR SPINE FUSION Irmola T., MD*, Häkkinen A., Prof**, Järvenpää S., MSc **, Marttinen I., MD*, Vihtonen K., MD, PhD* and Neva M.H.,MD,PhD * *Department of Orthopaedics and Trauma, Tampere University Hospital, Finland **Department of Physical Medicine and Rehabilitation, Jyväskylä Central Hospital, Finland **Department of Health Sciences, University of Jyväskylä, Finland Corresponding author: Tero Irmola, MD PO Box Hukankatu 4 A, 33530 Tampere, Finland. Tel: +358 407383394, Fax: +358 3 311 78 091 E-mail: tero.irmola@fimnet.fi The manuscript submitted does not contain information about medical device(s)/drug(s). The Competitive State Financing of the Expert Responsibility Area of Tampere University Hospital funds were received in support of this work. Relevant financial activities outside the submitted work: employment, payment for lecture. Copyright © 2017 Wolters Kluwer Health, Inc. Unauthorized reproduction of this article is prohibited.