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The Impact of an Epidural Ropivacaine-Neostigmine Injection for Perineal Analgesia at the End of Labor.

C

Cliniques universitaires Saint-Luc- Université Catholique de Louvain

Status

Unknown

Conditions

Pregnancy
Vaginal Delivery

Treatments

Drug: neostigmine

Study type

Interventional

Funder types

Other

Identifiers

NCT00407290
CE 2005/13mai/87

Details and patient eligibility

About

Perineal pain after childbirth occurs in the majority of women (with or without episiotomy). Perineal pain can become source of chronic pain in 9%-12% of the cases. Neostigmine a cholinesterase inhibitor at a dose of 500µg combined with Sufentanil or Ropivacaine (=local anaesthetic) is an analgesic. The goal of this study is to examine the effect of the use of epidural Neostigmine for perineal analgesia at the end of the labor on acute pain and on the development of chronic pain post partum.

Full description

The goal of epidural analgesia during labour is to obtain an analgesia with a minimum of "motor block". Absence of motor block at the time of the childbirth allows to decrease the rate of instrumentation (forceps, vacuum extractor). When the parturient approach complete cervical dilatation (8-10 cm), the anaesthetist must perform a last epidural injection for perineal analgesia. Generally a local anaesthetic is used (ex : Ropivacaine). Adjuvant can be associated to local anaesthetic (Sufentanil, Clonidine and more recently Neostigmine) to maximize local anaesthetic without increasing motor block.

Neostigmine, a cholinesterase inhibitor, increase concentration of acetylcholine on synaptic level and stimulate analgesic mechanisms mediated by this acetylcholine on dorsal horn of spinal cord.

Perineal pain after childbirth appears in most of the women with or without episiotomy. (Mac Arthur Am J Obst. Gynecol. 2004). This perineal pain can become source of chronic pain in 9%-12% of the cases. Neostigmine, a cholinesterase inhibitor at the dose of 500µg, combined with Sufentanil or Ropivacaine (=local anaesthetic) has an analgesic effect.

The goal of this study is to examine the effect of epidural Neostigmine for perineal analgesia at the end of the labour and on the development of chronic pain post-partum.

Inclusion criteria : any parturient of 18-45 years, normal pregnancy, at full term and having an effective epidural anaesthesia during labour.

Exclusion criteria : multiple pregnancy, obstetric pathology, refusal of participation.

Randomisation : 2 groups of 30 patients

Method :

Installation of the epidural catheter :

  • Injection of Ropivacaïne + Sufentanil

Perineal analgesia :

  • Ropi Group : epidural injection of Ropivacaine
  • Neostigmine Group : epidural injection of Ropivacaine and Neostigmine

Evaluation of VAS, vital signs of parturient and fetal heart rate, instrumentation rate.

Evaluation of immediate post-partum pain (48hours) and use of analgesic medication in the ward.

Evaluation of chronic pain after 10 days and 1 month.

Sex

Female

Ages

18 to 45 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • any parturient of 18-45 years
  • normal pregnancy
  • at full term
  • having an effective epidural anesthesia during labor

Exclusion criteria

  • multiple pregnancy
  • obstetric pathology
  • refusal of participation

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

Trial contacts and locations

1

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Central trial contact

Fabienne Roelants, MD; Patricia Lavand'homme, MD, PhD

Data sourced from clinicaltrials.gov

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