The Effect of Cord Milking on Hemodynamic Status of Preterm Infants

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

73 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-11-30

Study Completion Date

2018-01-31

Brief Summary

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Very preterm babies frequently develop problems with their blood circulation during the first few days after birth. These circulation problems could affect the oxygen and blood flow to their brain and lead to effects such as bleeding in the head or delayed developmental milestones later in life. Currently the care for such problems may include transfusion of intravenous fluids or blood to the baby and/or giving the baby medications that can help circulation.

The current practice at the delivery of these babies is to immediately clamp their umbilical cords after birth. Recent research studies have shown that giving more of the baby's own blood to them at birth by delayed cord clamping (waiting for clamping the cord for about 30-90 seconds) or by milking the cord, may reduce the number of blood transfusions that these babies may need later on. It may also improve their initial blood pressure and reduce the chances of bleeding in their heads.

More research is needed to prove if either delayed cord clamping or milking the cord at birth will be better in terms of improving these babies' health.

The aim of this study is to find out if adding some blood to these babies' circulation, through milking the cord at birth, could prevent or reduce the possible problems with blood circulation and the reduced blood flow to the brain that some of these babies may have after birth.

The investigators will also investigate if milking the cord at birth could improve their long-term developmental outcome.

Hypothesis: In preterm infants less than 31 weeks' gestation, milking the umbilical cord 3 times prior to clamping, compared to immediate clamping after birth will improve systemic blood flow (as assessed by improving superior vena cava flow measured by heart ultrasound in the first 24 hours after birth)

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Detailed Description

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Eligible mothers will be randomized prior to delivery once preterm labour is established (cervical dilatation \> 4cm and preterm birth is considered inevitable or delivery is indicated for maternal or fetal indications) to either milking of the umbilical cord of their infants (intervention group) or to clamp the cord as per standard practice (currently it is the immediate cord clamping) after birth (control group). Randomization will be done in variable block sizes and will be concealed by using opaque envelopes prepared ahead of time from a randomization table. Envelopes will be opened before the time of delivery.

Conditions

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Preterm Infants

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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immediate umbilical cord clamping

The control group will receive immediate cord clamping at birth which is the standard of care in our institution

Group Type ACTIVE_COMPARATOR

immediate umbilical cord clamping

Intervention Type PROCEDURE

immediate cord clamping without milking as per standard practice

Milking the umbilical cord at birth

Infants in the cord-milked group will be placed at or below the level of the placenta, and about 20 cm of the umbilical cord (or the length of cord that is accessible if less than 20 cm) will be vigorously milked towards the umbilicus three times before clamping the cord.

Group Type EXPERIMENTAL

Milking the umbilical cord at birth

Intervention Type PROCEDURE

Infants in the cord-milked group will be placed at or below the level of the placenta, and about 20 cm of the umbilical cord (or the length of cord that is accessible if less than 20 cm) will be vigorously milked towards the umbilicus three times before clamping the cord

Interventions

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Milking the umbilical cord at birth

Infants in the cord-milked group will be placed at or below the level of the placenta, and about 20 cm of the umbilical cord (or the length of cord that is accessible if less than 20 cm) will be vigorously milked towards the umbilicus three times before clamping the cord

Intervention Type PROCEDURE

immediate umbilical cord clamping

immediate cord clamping without milking as per standard practice

Intervention Type PROCEDURE

Other Intervention Names

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Transfusion of blood from umbilical cord to the baby standard practice-cord clamping

Eligibility Criteria

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Inclusion Criteria

1. admitted to the hospital for at least 2 hours before delivery in preterm labor (cervical dilatation \>2 cm or having premature rupture of membranes) or if a decision to induce labour has been made by treating physician for a maternal or fetal indications).
2. at 24+0 weeks - 30+6/7 weeks gestation (by best estimate based on date of last menstrual period or early ultrasound)

Exclusion Criteria

1. monochorionic twin or any higher order multiple pregnancy
2. major fetal congenital or chromosomal anomalies
3. significant placental abruption
4. fetal anemia/transfusion
5. Rh isoimmunization
6. intent to withhold or withdraw treatment of the infant

Minimum Eligible Age

24 Weeks

Maximum Eligible Age

31 Weeks

Eligible Sex

ALL

Accepts Healthy Volunteers

No