Effectiveness of injecting lower dose subcutaneous sterile water versus saline to relief labor back pain: Randomized controlled trial

Eur J Midwifery. 2018 Mar 14:2:3. doi: 10.18332/ejm/85793. eCollection 2018.

Abstract

Introduction: The aim of this study was to investigate the effect of a lower dose subcutaneous sterile water injection technique versus subcutaneous saline injection, on the relief of low-back pain for women during childbirth, and to explore the lasting effects of pain relief after administration (followed at 15, 30, 45, 90 and 120 minutes).

Methods: A prospective randomized controlled single-blinded study was conducted, with trial registration (NCT02813330). Women received one-time injections (sterile water or saline) and the effectiveness was observed at 15, 30, 45, 90 and 120 minutes after the intervention.

Results: The intervention group had statistically significant pain reduction. Assessment of subsequent pain, followed at 30, 45, 90 and 120 minutes, reflected an increasing change with a statistically significant difference. The intervention group had more burning sensations than the control group with a statistically significant difference.

Conclusions: The modified technique of double injections of subcutaneous 'water/ saline' resulted in significant relief of low-back pain during childbirth.

Keywords: back pain; effectiveness; labor; lower dose; sterile water; subcutaneous injection.