명상도서관
A Randomized Controlled Trial of Brief Mindfulness Meditation for Women Undergoing Stereotactic Breast Biopsy
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- 자료유형학술지논문
- 저자명Ratcliff, Chelsea G.,Prinsloo, Sarah,Chaoul, Alejandro,Zepeda, Stephanie G.,Cannon, Rex,Spelman, Amy,Yang, Wei T.,Cohen, Lorenzo
- 학회/출판사/기관명Elsevier Science B. V., Amsterdam
- 출판년도2019
- 언어영어
- 학술지명/학위논문주기JOURNAL- AMERICAN COLLEGE OF RADIOLOGY
- 발행사항Vol.16No.5[2019]_x000D_
- ISBN/ISSN1546-1440
- 소개/요약Purpose: Stereotactic breast biopsy (SBB) is a common, anxiety-producing procedure. Nonpharmacologic methods to manage acute anxiety are needed. Methods: In this single-blind trial, women were recruited before SBB and randomized in a 2:2:1 ratio to a single session of guided mindfulness-based meditation (GM; n = 30), focused breathing (FB; n = 30), or standard care (SC; n = 16). Anxiety and pain were assessed at baseline after a 10-min prebiopsy group-specific activity (GM, FB, or SC), every 4 min during SBB, and after biopsy. Electroencephalographic activity in the medial prefrontal cortex, insula, anterior cingulate cortex, and precuneus was collected throughout the study. Results: Women in the GM group reported a steeper reduction in anxiety than women in the FB and SC groups (P < .001 for all, Cohen's d > 0.4 for all). There were no group differences in pain ratings during the biopsy. Women in the GM group experienced increased beta activity during biopsy in the insula (P = .006, Cohen's d = 1.4) and anterior cingulate cortex (P = .019, Cohen's d = 1.0) compared with women in the SC group, and there was a trend toward the same effect compared with women in the FB group (P < .10 for both). Women in the GM and FB groups experienced a nonsignificant decrease in delta activity in the precuneus during biopsy compared with those in the SC group (P < .40 for both, Cohen's d > 0.6 for both), which was associated with a steeper reduction in anxiety during the biopsy (r = 0.51, P < .01). Conclusions: Brief, guided meditation may provide effective anxiety relief during an acute medical procedure and affect neuronal activity in regions associated with attention, self-awareness, and emotion regulation.
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