 ResearchNonlinear analysis of biomagnetic signals recorded from uterine myomasAthanasia Kotini, Achilleas N Anastasiadis, Photios Anninos, Nikoleta Koutlaki and Panagiotis Anastasiadis Lab of Medical Physics and Department of Obstetrics and Gynaecology, Medical School, Democritus University of Thrace, University Campus, Alexandroupolis, Greece BioMagnetic Research and Technology 2006,
4:2doi:10.1186/1477-044X-4-2 Abstract
Objective
To determine if there is any non-linearity in the biomagnetic recordings of uterine myomas and to find any differences that may be present in the mechanisms underlying their signal dynamics.
Methods
Twenty-four women were included in the study. Sixteen of them were characterised with large myomas and 8 with small ones. Uterine artery waveform measurements were evaluated by use of Pulsatility Index (PI) (normal value PI<1.45).
Results
Applying nonlinear analysis to the biomagnetic signals of the uterine myomas, we observed a clear saturation value for the group of large ones (mean = 11.35 ± 1.49) and no saturation for the small ones.
Conclusion
The comparison of the saturation values in the biomagnetic recordings of large and small myomas may be a valuable tool in the evaluation of functional changes in their dynamic behavior. | 
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