Comparison of a single vs. a four intradermal sterile water injection for relief of lower back pain for women in labour: a randomised controlled trial

Lee, Nigel, Webster, Joan, Beckmann, Michael, Gibbons, Kristen, Smith, Tric, Stapleton, helen and Kildea, Sue (2013) Comparison of a single vs. a four intradermal sterile water injection for relief of lower back pain for women in labour: a randomised controlled trial. Midwifery, 29 6: 585-591.

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Author Lee, Nigel
Webster, Joan
Beckmann, Michael
Gibbons, Kristen
Smith, Tric
Stapleton, helen
Kildea, Sue
Title Comparison of a single vs. a four intradermal sterile water injection for relief of lower back pain for women in labour: a randomised controlled trial
Journal name Midwifery   Check publisher's open access policy
ISSN 0266-6138
1532-3099
Publication date 2013-06
Year available 2012
Sub-type Article (original research)
DOI 10.1016/j.midw.2012.05.001
Volume 29
Issue 6
Start page 585
End page 591
Total pages 7
Place of publication Kidlington, United Kingdom
Publisher Churchill Livingstone
Collection year 2013
Language eng
Formatted abstract Objective: sterile water injections are a simple, safe, effective, non-pharmacological technique for relieving back pain in labour, however the number of injections required to achieve optimal analgesia is unknown. The objective of this trial was to evaluate the degree and duration of analgesia provided by a single injection of sterile water, compared to four injections.
Design: randomised controlled non-inferiority trial.
Participants and setting: three hundred and five women in labour at term, requesting analgesia for back pain were recruited from two metropolitan hospitals in Brisbane, Australia.
Intervention: participants were randomly assigned to receive either one (n=147) or four (n=158) sterile water injections.
Outcome measures: difference in self-reported pain measured using a visual analogue scale (VAS) between baseline and 30 mins post-intervention. The clinically acceptable margin of difference was defined as ≤1 cm on the VAS between the single injection compared to four injection technique. Secondary outcomes include VAS score on injection and 10, 60, 90 and 120 mins post-intervention, analgesia use, mode of birth and maternal satisfaction.
Findings: the mean difference in the pre and post (30 mins) injection scores between two groups was −1.48 cm (95% CI −2.10, −0.86) in favour of the FI technique, however the injection pain associated with the FI was significantly greater than that of the SI technique (p<0.001). There were no significant differences between the two groups in terms of other analgesic use, mode of birth or maternal satisfaction.
Conclusion: the four injection technique was associated with increased level of analgesia at 30 mins post-intervention compared to the single injection, but also a greater degree of injection pain.
Keyword Sterile water injection
Back pain in labour
Midwifery practice
Randomised controlled trial
Open Access Mandate Compliance No - Does Not Comply
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online 7 July 2012

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Nursing and Midwifery Publications
 
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Created: Wed, 24 Oct 2012, 14:22:41 EST by Vicki Percival on behalf of School of Nursing and Midwifery