Journal
CONTRACEPTION
Volume 91, Issue 2, Pages 164-166Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.contraception.2014.09.013
Keywords
Surgical abortion; First trimester; Pain; Nitrous oxide
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Funding
- National Center for Research Resources
- National Center for Advancing Translational Sciences of the National Institutes of Health (NIH) [8UL1TR000041]
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Objective: The objective was to determine feasibility of a study comparing mean pain scores between women randomized to nitrous oxide/oxygen (NO) versus oxygen+oral analgesics for trimester surgical abortion. Study design: Pilot randomized controlled trial comparing NO (n=10) versus oxygen+oral analgesics (n=10). Feasibility of subject recruitment, and pain and satisfaction scores on a visual analog scale were evaluated. Results: Fifty-seven percent of eligible women participated. Mean pain scores were similar between groups, and mean satisfaction scores were higher for the NO group (77.5 vs. 46.7, P=.048). Conclusions: The majority of eligible women agreed to participate in this study evaluating an uncommon pain control intervention. (C) 2015 Elsevier Inc. All rights reserved.
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