Research: SMITH and COLLEAGUES,

Listed in Issue 212

Abstract

SMITH and COLLEAGUES, Centre for Complementary Medicine Research, University of Western Sydney, Locked Bag 1797, Penrith South DC, New South Wales, Australia, 2751 reviewed and examined the effects of acupuncture and acupressure for pain management in labour.

Background

Many women would like to avoid pharmacological or invasive methods of pain management in labour and this may contribute towards the popularity of complementary methods of pain management. This review examined evidence supporting the use of acupuncture and acupressure for pain management in labour.

Methodology

The authors searched the Cochrane Pregnancy and Childbirth Group's Trials Register and The Cochrane Complementary Medicine Field's Trials Register (October 2010), the Cochrane Central Register of Controlled Trials (The Cochrane Library 2010, Issue 4), MEDLINE (1966 to October 2010), and CINAHL (1980 to October 2010). Selection Criteria: Published and unpublished randomised controlled trials comparing acupuncture and acupressure with placebo, no treatment or other non-pharmacological forms of pain management in labour. The authors included all women whether primiparous or multiparous, and in spontaneous or induced labour and performed meta-analysis using risk ratios (RR) for dichotomous outcomes and mean differences (MD) for continuous outcomes. The outcome measures included pain intensity, satisfaction with pain relief, use of pharmacological pain relief, relaxation, caesarean section rate, augmentation with oxytocin, length of labour and anxiety.

Results

Authors included 13 trials with data reporting on 1986 women. Nine trials reported on acupuncture and four trials reported on acupressure. Less intense pain was found from acupuncture compared with no intervention (standardised mean difference (SMD) -1.00, 95% confidence interval (CI) -1.33 to -0.67, one trial, 163 women). One trial increased satisfaction with pain relief compared with placebo control (RR 2.38, 95% CI 1.78 to 3.19, 150 women). Reduced use of pharmacological analgesia was found in one trial of acupuncture compared with placebo (RR 0.72, 95% CI 0.58 to 0.88, 136 women), and compared with standard care, however, there was significant heterogeneity (RR 0.68, 95% CI 0.56 to 0.83, three trials, 704 women). Fewer instrumental deliveries from acupuncture were found compared with standard care (RR 0.67, 95% CI 0.46, 0.98, three trials, 704 women); however, there was significant heterogeneity. Pain intensity was reduced in the acupressure group compared with a placebo control (SMD -0.55, 95% CI -0.92 to -0.19, one trial, 120 women), and a combined control (SMD -0.42, 95% CI -0.65 to -0.18, two trials, 322 women). No trial was assessed as being at a low risk of bias for all of the quality domains.

Conclusion

Acupuncture and acupressure may have a role with reducing pain, increasing satisfaction with pain management and reduced use of pharmacological management. However, there is a need for further research.

References

Smith CA, Collins CT, Crowther CA and Levett KM. Acupuncture or acupressure for pain management in labour. [Review] Cochrane Database of Systematic Reviews. (7): CD009232 2011.

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