Nitrous oxide for pain management of first trimester surgical abortion -- a randomized controlled pilot study

Singh, R.H.; Espey, E.; Carr, S.; Pereda, B.; Ogburn, T.; Leeman, L.

Contraception 91(2): 164-166

2015


ISSN/ISBN: 1879-0518
PMID: 25459096
DOI: 10.1016/j.contraception.2014.09.013
Document Number: 624694
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. 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. 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). The majority of eligible women agreed to participate in this study evaluating an uncommon pain control intervention.

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Nitrous oxide for pain management of first trimester surgical abortion -- a randomized controlled pilot study