The propose of this study is to identification of a group of specific amplitude-modulated frequencies of low intensity electromagnetic fields that is associated with biofeedback upon exposure to in patients with hepatitis B carries with or without hepatocellular carcinoma.
Patients will be exposed by different specific amplitude-modulated frequencies of low intensity electromagnetic fields for 30 min. During the exposure, autonomic response with be recorded in order to identify biofeedback response. Differences in group of frequencies is expected in patients with hepatitis B carries with or without hepatocellular carcinoma.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
DOUBLE
Enrollment
60
Patients in each arm will be exposed to 30 min of amplitude-moduled low intensity electromagnetic fields only one time.
Hospital Sírio Libanês
São Paulo, São Paulo, Brazil
Identification of different group of specific frequencies of modulation in hepatitis B carriers with and without hepatocellular carcinoma associated with biofeedback response
biofeedback response will be monitored
Time frame: within 10 min of exposure
Characterization of differences biofeedback response in hepatitis B carriers with and without hepatocellular carcinoma
Representation of autonomous response during the exposure of specific frequencies of modulation
Time frame: within 10 minutes of exposure
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