Regional anesthesia and pain medicine
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Reg Anesth Pain Med
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Reg Anesth Pain Med · Mar 2013
Increasing the NaCl concentration of the preinjected solution enhances monopolar radiofrequency lesion size.
The effect of altering the sodium chloride (NaCl) concentration of the preinjected solution on monopolar radiofrequency (RF) lesion characteristics has not been investigated with conventional pain medicine equipment. The purpose of this study was to examine the effects of increasing NaCl concentration on lesion dimensions. ⋯ Increasing NaCl concentrations significantly increases lesion size. NaCl may produce a larger lesion as a result of reduced impedance surrounding the RF cannula and increased power output.