@article{Cashman:2010:10.3109/03091900903174428,
author = {Cashman, PMM and Baring, T and Reilly, P and Emery, RJH and Amis, AA},
doi = {10.3109/03091900903174428},
journal = {J Med Eng Technol},
pages = {159--165},
title = {Measurement of migration of soft tissue by modified Roentgen stereophotogrammetric analysis (RSA): validation of a new technique to monitor rotator cuff tears.},
url = {http://dx.doi.org/10.3109/03091900903174428},
volume = {34},
year = {2010}
}

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TY  - JOUR
AB  - The purpose of this study was to develop a technique to use Roentgen stereophotogrammetric analysis (RSA) to measure migration of soft-tissue structures after rotator cuff repair. RSA stereo films were obtained; images were analysed using a semi-automatic software program allowing 3D viewing of results. RSA imaging experiments were performed to validate the technique, using a glass phantom with implanted RSA beads and an animal model with steel sutures as RSA markers which were moved known distances. Repeated measurements allowed assessment of inter- and intra-observer variability at a maximum of 1.06 mm. RSA analysis of the phantom showed a variation up to 0.22 mm for static and 0.28 mm for dynamic studies. The ovine tissue specimen demonstrated that using steel sutures as RSA markers in soft tissue is feasible, although less accurate than when measuring bone motion. This novel application of RSA to measure soft tissue migration is practicable and can be extended to in vivo studies.
AU  - Cashman,PMM
AU  - Baring,T
AU  - Reilly,P
AU  - Emery,RJH
AU  - Amis,AA
DO  - 10.3109/03091900903174428
EP  - 165
PY  - 2010///
SP  - 159
TI  - Measurement of migration of soft tissue by modified Roentgen stereophotogrammetric analysis (RSA): validation of a new technique to monitor rotator cuff tears.
T2  - J Med Eng Technol
UR  - http://dx.doi.org/10.3109/03091900903174428
UR  - https://www.ncbi.nlm.nih.gov/pubmed/20143960
VL  - 34
ER  - 

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