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01.12.2013 | Research article | Ausgabe 1/2013 Open Access

BMC Pregnancy and Childbirth 1/2013

Outpatient Foley catheter versus inpatient prostaglandin E2 gel for induction of labour: a randomised trial

Zeitschrift:
BMC Pregnancy and Childbirth > Ausgabe 1/2013
Autoren:
Amanda Henry, Arushi Madan, Rachel Reid, Sally K Tracy, Kathryn Austin, Alec Welsh, Daniel Challis
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1471-2393-13-25) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

AH designed the study, prepared the protocol, implemented the intervention, interpreted the data and drafted the article. AM contributed substantially to implementation of the intervention, data acquisition, and data interpretation, and critically revised the article. RR contributed substantially to implementation of the intervention, data acquisition, and revision of the article. KG contributed substantially to implementation of the intervention, data acquisition, and revision of the article. ST contributed substantially to study design and critical revision of the article. AW contributed substantially to data analysis/interpretation and critical revision of the article. DC designed the original study concept, and contributed substantially to study design, implementation of the intervention, and preparation and revision of the article. All authors read and approved the final manuscript.

Abstract

Background

Induction of labour (IOL) is one of the commonest obstetric interventions, with significant impact on both the individual woman and health service delivery. Outpatient IOL is an attractive option to reduce these impacts. To date there is little data comparing outpatient and inpatient IOL methods, and potential safety concerns (hyperstimulation) if prostaglandins, the standard inpatient IOL medications, are used in the outpatient setting. The purpose of this study was to assess feasibility, clinical effectiveness and patient acceptability of outpatient Foley catheter (OPC) vs. inpatient vaginal PGE2 (IP) for induction of labour (IOL) at term.

Methods

Women with an unfavourable cervix requiring IOL at term (N = 101) were randomised to outpatient care using Foley catheter (OPC, n = 50) or inpatient care using vaginal PGE2 (IP, n = 51). OPC group had Foley catheter inserted and were discharged overnight following a reassuring cardiotocograph. IP group received 2 mg/1 mg vaginal PGE2 if nulliparous or 1 mg/1 mg if multiparous. Main outcome measures were inpatient stay (prior to birth, in Birthing Unit, total), mode of birth, induction to delivery interval, adverse reactions and patient satisfaction.

Results

OPC group had shorter hospital stay prior to birth (21.3 vs. 32.4 hrs, p < .001), IP were more likely to achieve vaginal birth within 12 hours of presenting to Birthing Unit (53% vs. 28%, p = .01). Vaginal birth rates (66% OPC Vs. 71% IP), total induction to delivery time (33.5 hrs vs. 31.3 hrs) and total inpatient times (96 hrs OPC Vs. 105 hrs IP) were similar. OPC group felt less pain (significant discomfort 26% Vs 58%, p = .003), and had more sleep (5.8 Vs 3.4 hours, p < .001), during cervical preparation, but were more likely to require oxytocin IOL (88 Vs 59%, p = .001).

Conclusions

OPC was feasible and acceptable for IOL of women with an unfavourable cervix at term compared to IP, however did not show a statistically significant reduction in total inpatient stay and was associated with increased oxytocin IOL.

Trial registration

Australian New Zealand Clinical Trials Registry, ACTRN:12609000420246.
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