About this trial
Epidural anesthesia represents the most popular method for pain relief during labour. Unintentional dural puncture (UDP) occurs in 0.4-1.5% of labour epidural analgesia, representing therefore the most common complication. Up to 80% of patients with a UDP may develop a post-dural puncture headache (PDPH).
When a UDP occurs, two possible strategies have been proposed in order to ensure analgesia during labour: either resiting the epidural catheter in a different intervertebral space, or inserting an intrathecal catheter. Both strategies proved to equally provide analgesia during labour, but their relative contribution in preventing PDPH is still not known.
The primary aim of this multicenter randomized controlled trial is therefore to compare these two strategies in the occurrence of PDPH at 24 hours from the UDP.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Confirmed diagnosis of UDP during labour
Written informed consent
Disqualifiers
Refusal to participate in the study
History of PDPH
Trial design
Parallel
Treatments tested in this trial
Resiting Epidural Catheter
Procedure/SurgeryAfter a UDP has occurred, epidural catheter will be re-sited in a different intervertebral space. Analgesia will be then maintained according to internal protocol, using PIEB (Programmed Intermittent Epidural Bolus) system. Catheter will be left in place for the first 24-36 hours.
Intrathecal Catheter Placement
Procedure/SurgeryAfter a UDP has occurred, an intrathecal catheter will be placed through the dural tap. Analgesia will be then maintained according to internal protocol, using PISB (Programmed Intermittent Subarachnoid Bolus) system. Catheter will be left in place for the first 24-36 hours. During this time, a continuous infusion of sterile saline at a rate of 2 mL/h will be maintained. Before removal, an additional bolus of 10 mL of sterile saline will be administered in the intrathecal catheter.
Treatment groups
Trial outcomes
Primary outcomes
PDPH incidence
Incidence of post-dural puncture headache (PDPH) at 24 hours from UDP occurrence
Secondary outcomes
PDPH intensity at 24 hours
PDPH intensity, rated using a 10-point scale, ranging from 0 ("no pain") to 10 ("worst pain imaginable")
PDPH intensity at 48 hours
PDPH intensity, rated using a 10-point scale, ranging from 0 ("no pain") to 10 ("worst pain imaginable")
Quality of analgesia
Quality of analgesia during labour will be evaluated, based on the number of additional boluses of local anesthetic administered during labour to treat breakthrough pain.
Adverse events
All reported adverse events, including number of unsuccessful attempts at placing the epidural or subarachnoid catheter, motor block, poor analgesia, caesarean section rate.
Locations
Sponsors and contacts
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