For this study, researchers assessed 236 women undergoing core biopsy. The study participants were randomly assigned three types of care during the procedure. Seventy-six women received standard care, 82 women received structural care with a person specifically assigned to be responsive to their needs, and 78 women induced self-hypnotic relaxation under guidance from a trained research assistant.
The researchers then compared the care techniques used during the core biopsies, including how much pain and anxiety were experienced by the participants in addition to procedure time and cost.
While all study participants had elevated levels of anxiety, it was seen to decrease significantly in the group of women who were coached on self-hypnotic relaxation. All three groups reported experiencing pain during the procedure, but the women who had an assigned caretaker and those who underwent self-hypnotic relaxation reported experiencing significantly less pain than the women who received standard care. Even though procedure time and cost did not differ significantly among all three groups, the hypnosis group had the shortest procedure time and cost.
"Hypnosis can greatly help women cope with the stress of a breast biopsy. The findings show that nonpharmacologic means can be very powerful, without side effects," said Dr. Elvira V. Lang, associate professor at radiology at Harvard and head of the study, in a recent press release.
Lang added that the self-hypnotic relaxation method has been successfully applied to a number of other invasive procedures.
The study, which was supported in part by the National Institutes of Health (NIH), was presented last month at the annual meeting of the Radiological Society of North America (RSNA).
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