NCT Number: NCT06915467
The aim of this study is to demonstrate, with a good level of evidence, the efficacy, safety and feasibility of placing an umbilical route through Wharton's jelly, in the context of emergency situations in the delivery room.
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Interventional
Phase 2
Paediatric resuscitation and neonatal medicine department- Centre Hospitalier Universitaire Amiens-Picardie, Amiens, France
In France, it is estimated that 2 to 4 births per 1000 are complicated by perinatal anoxia. This infrequent event constitutes a vital emergency because, in addition to death, the consequences, particularly neurological, are serious for the survivors. Mortality is high,and estimated at more than half of children when an Apgar score of zero is observed at 5 and 10 minutes, as shown by data found in the literature. When children are born in circulatory arrest, rapid recovery of a heart rate (HR) of more than 100 beats per minute (bpm) to allow correct circulation is therefore essential.
The recommendations of the European Resuscitation Council, updated in 2021, help to guide the birth room practitioner for optimum effectiveness. If the heart rate remains low, after the ventilation method and interface have been checked and adjusted if necessary, cardiac massage is started, and the next step is the emergency administration of adrenaline via the venous route. The reference route is currently the umbilical venous route via an umbilical venous catheter (UVC). This method is effective, but remains a technical procedure and takes a long time to set up, lasting an average of 3 minutes and up to 6 minutes, including just 1 and a half minutes to prepare the equipment and the venous approach. The intra-tracheal route is not prohibited by the latest recommendations, but it has not been shown to be effective and has not been adopted as a reference emergency route in this indication. The intraosseous route has also been studied and mentioned in the recent recommendations of the Société Française de Néonatalogie, but it remains highly invasive and is not routinely used by neonatal resuscitators or paediatricians in the delivery room. Peripheral venous access is difficult because of hypoperfusion, and is not indicated in these emergency situations either.
In this context, the investigator propose to evaluate a quicker and easier infusion method enabling adrenaline to be administered without delay to neonates in circulatory arrest, when the indication is given, i.e. after a well-conducted initial resuscitation. This method consists of catheterising the umbilical vein directly through Wharton's jelly, and injecting the treatments into it.
The aim of this study is to demonstrate, with a good level of evidence, the efficacy, safety and feasibility of placing an umbilical route through Wharton's jelly, in the context of emergency situations in the delivery room.
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Non-inclusion Criteria :
All patients included will receive the Umbilical vein catheterization through Wharton's jelly procedure as first-line treatment: placement of the umbilical line through Wharton's jelly, with simultaneous and systematic preparation of umbilical venous catheter (UVC)
Time frame: At the beginning of the study, an average of 90 seconds
Successful completion of the Umbilical vein catheterization through Wharton's jelly procedure is defined as achieving a heart rate (HR) greater than 100 bpm within 90 seconds of the start of the procedure, which corresponds to cord asepsis.
The reference procedure (UVC), which has been prepared in parallel, is used as soon as it is ready, if the heart rate is not greater than 100 bpm. The Umbilical vein catheterization through Wharton's jelly procedure is then considered to have failed (because the line has not been inserted, the catheter injection has not been performed or the target rate has not been reached within the time limit)
Time frame: At the beginning of the study, an average of 90 seconds
The time taken to insert the umbilical line through Wharton's jelly is the time in seconds between the start of asepsis and the start of catheter injection of adrenaline. To be compared with the time taken to insert the UVC (time between the decision to inject adrenaline and the catheter injection, in order to take into account the time taken to insert the UVC)
Time frame: At the beginning of the study, an average of 90 seconds
Delay in seconds between the start of the Umbilical vein catheterization through Wharton's jelly procedure and obtaining a heart rate above 100 bpm, overall and according to the approach actually used (comparison between delay with Umbilical vein catheterization through Wharton's jelly procedure versus UVC procedure where applicable)
Time frame: At the beginning of the study, an average of 90 seconds
Delay in seconds between catheter injection of adrenaline and obtaining a heart rate above 100 bpm, overall and according to the approach actually used (comparison between delay with Umbilical vein catheterization through Wharton's jelly procedure versus UVC procedure if applicable)
Time frame: At the beginning of the study, an average of 90 seconds
The frequency of failure of the Umbilical vein catheterization through Wharton's jelly procedure is the number of failures out of the number of attempts
Time frame: At the beginning of the study, an average of 90 seconds
The types of failure are: missed deadline, ineffective catheter injection or adverse event.
Causes of failure may include : a small cord, discoloration/opacity of the cord (icteric or impregnated with meconium), extravasation, failure to locate the vein, absence of reflux, maternal haemorrhage, an equipment-related fault (unsuitable needle, unsuitable syringes), secondary perforation of the vein, inability to keep the needle in the vein during catheter injection, movement of the needle during syringe change for rinsing, or a blood exposure accident (BEA) suffered by the carer
Time frame: At the beginning of the study, an average of 90 seconds
The mortality rate at H1 and at discharge from hospital (or at 28 days), overall and according to the approach actually used, is the number of patients who died out of the number of patients included
Time frame: At 72 hours after the beginning of the study
Description of adverse events in the 72 hours following catheter injection, overall and according to the approach actually used (Umbilical vein catheterization through Wharton's jelly procedure vs UVC)
Time frame: At the beginning of the study, an average of 90 seconds
Modelling (General Linear Model) of the relationship between, on the one hand, the success or duration of insertion and, on the other hand, the state of the cord (normal or abnormal: if abnormal, it may be thin, meconium-opaque or yellow in the case of jaundice) or the practitioner's experience (number of years ofl experience in neonatal resuscitation and experience of the Umbilical vein catheterization through Wharton's jelly procedure)
Time frame: At the beginning of the study, an average of 90 seconds
Difficulties encountered during the implementation of this Umbilical vein catheterization through Wharton's jelly procedure will be collected from healthcare professionals and described. These difficulties could be as follows: a lack of confidence on the part of the carer at the time of the procedure, a shortage of staff, difficulty in visualising the vein, an equipment fault (unsuitable needle, unsuitable syringes), an abnormal cord (small, meconium or yellow indicating jaundice), difficulties in keeping the needle in the vein during catheter injection, movement of the needle during the syringe change for rinsing, ...
Caregivers will also be asked to complete a Likert-type question to assess their feelings about the complexity of the Umbilical vein catheterization through Wharton's jelly procedure. They answer by ticking the box Very easy, Easy, Neither easy nor difficult, Difficult or Very difficult
Contact information is provided by the study sponsor or research team.
Maryline Delattre
CONTACT
Mathilde Wlodarczyk
CONTACT
Hôpital NOVO
Other
Efficacy of Direct CAtheterisation of the OMbilical Vein in Emergency Through Wharton's Jelly in the Delivery Room: Multicentre Study
Acronym: CaDOm
OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.
View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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