Bioimpedance Method on Lymphedema Diagnosis

TL;DRAbstract

Lymphedema, a common complication due to breast cancer treatment, is presented\nas swelling of a limb. This project studies the electrical property of the limb\ntissue of breast cancer survivors in order to help diagnose lymphedema. Electrical\nimpedance under a range of frequencies is measured. An electrical equivalent circuit\nis simulated to model the swelling tissue. The impedance data are analyzed\nusing Matlab to calculate electrical parameters of the modeling circuits. Con rmed\nlymphedema patients are compared to normal volunteers to identify electrical parameters\nthat may be correlated with development of lymphedema. Change of the\ncorrelated electrical parameters of patients in the simulated model helps to provide\nphysiological information on lymphedema which is important in clinical treatment.\nThe bioimpedance Wessel curves of long term lymphedema patients seem to deviate\nfrom Cole model. More complicated models that have more nonlinearity with\nfrequency are required to

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