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A Comparison Of Four Electrical Stimulation Types On Staphylococcus Aureus Growth In Vitro, Harold Merriman, Chris Hegyi, Cheryl Albright-Overton, John Carlos, Robert Putnam, Janet Mulcare Feb 2015

A Comparison Of Four Electrical Stimulation Types On Staphylococcus Aureus Growth In Vitro, Harold Merriman, Chris Hegyi, Cheryl Albright-Overton, John Carlos, Robert Putnam, Janet Mulcare

Harold L. Merriman

We evaluated the efficacy of common electrical stimulation (ES) types on bacterial growth in vitro using clinically relevant conditions. Four types of ES-continuous microamperage direct current (µADC), high-voltage pulsed current (HVPC), low-voltage monophasic milliamperage pulsed current (LVMmAPC), and low-voltage biphasic milliamperage pulsed current (LVBmAPC)-were each applied to a separate set of culture plates containing Staphylococcus aureus for 1 h at 37 °C on 3 consecutive days. After ES treatment, the zone of inhibition surrounding each electrode was measured. Zone of inhibition measurements showed a significant inhibitory effect for continuous µADC and HVPC (p < 0.05), but not for LVMmAPC and LVBmAPC. …