Controlled breathing with or without peppermint aromatherapy for postoperative nausea and/or vomiting symptom relief: a randomized controlled trial

Sites DS, Johnson NT, Miller JA, Torbush PH, Hardin JS, Knowles SS, Nance J, Fox TH, Tart RC
Journal of PeriAnesthesia Nursing, 2014


ABSTRACT:

PURPOSE:
With little scientific evidence to support use of aromatherapy for postoperative nausea and/or vomiting (PONV) symptoms, this study evaluated controlled breathing with peppermint aromatherapy (AR) and controlled breathing alone (CB) for PONV relief.

DESIGN:
A single blind randomized control trial design was used.

METHODS:
On initial PONV complaint, symptomatic subjects received either CB (n = 16) or AR (n = 26) intervention based on randomization at enrollment. A second treatment was repeated at 5 minutes if indicated. Final assessment occurred 10 minutes post initial treatment. Rescue medication was offered for persistent symptoms.

FINDINGS:
Among eligible subjects, PONV incidence was 21.4% (42/196). Gender was the only risk factor contributing to PONV symptoms (P = .0024). Though not statistically significant, CB was more efficacious than AR, 62.5% versus 57.7%, respectively.

CONCLUSIONS:
CB can be initiated without delay as an alternative to prescribed antiemetics. Data also support use of peppermint AR in conjunction with CB for PONV relief.

CITATION:

Sites DS, Johnson NT, Miller JA, Et Al. Controlled breathing with or without peppermint aromatherapy for postoperative nausea and/or vomiting symptom relief: a randomized controlled trial. J Perianesth Nurs. 2014;29(1):12-19.


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