Wangensteen, Arnlaug
Guermazi, Ali
Tol, Johannes L.
Roemer, Frank W.
Hamilton, Bruce
Alonso, Juan-Manuel
Whiteley, Rodney
Bahr, Roald
Article History
Received: 30 April 2017
Revised: 1 October 2017
Accepted: 9 October 2017
First Online: 19 February 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Arnlaug Wangensteen
: The following authors of this manuscript declare relationships with the following companies:Outside the submitted work, AG is a consultant to Pfizer, AstraZeneca, Merck Serono, Sanofi-Aventis, GE Healthcare, TissueGene and OrthoTrophix. AG is also president and a shareholder of Boston Imaging Core Lab, LLC (BICL), which provides image assessment services. FWR is a shareholder of BICL. JLT’s institutes have received funding from Arthrex and Biomet for conducting RCTs on the value of PRP in hamstring and Achilles tendon injuries. JLT received no personal compensation.
: Abdulaziz Farooq kindly provided statistical advice for this manuscript.
: Institutional Review Board approval was obtained.
: Written informed consent was obtained from all subjects (patients) in this study.
: Some study subjects have been previously reported in: Wangensteen A, Tol JL, Roemer FW, Bahr R, Dijkstra HP, Crema MD, Farooq A, Guermazi A. Intra- and interrater reliability of three different MRI grading and classification systems after acute hamstring injuries. Eur J Radiol. 2017 Apr;89:182–190. doi: 10.1016/j.ejrad.2017.02.010. Epub 2017 Feb 11. Wangensteen A, Almusa E, Boukarroum S, Farooq A, Hamilton B, Whiteley R, Bahr R, Tol JL. MRI does not add value over and above patient history and clinical examination in predicting time to return to sport after acute hamstring injuries: a prospective cohort of 180 male athletes. Br J Sports Med. 2015 Dec;49(24):1579–87. doi: 10.1136/bjsports-2015-094892. Epub 2015 Aug 24.
: • prospective• observational, prognostic• performed at one institution