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Changes of Gas Values in Cord Blood Versus Time and Temperature

Phase 4
Conditions
Abnormal; Birth
Interventions
Procedure: Cord blood samples
Registration Number
NCT02785367
Lead Sponsor
Tel-Aviv Sourasky Medical Center
Brief Summary

The pH levels of a neonatal at his birth are an important factor in establishing the connection between events that occurred during the actual time of birth, to the risk of a significant morbidity development in the future. Gas values in cord blood are measurable and represent the condition of the fetus close to the time of birth. Their level is one of the essential criteria which are used to define acute hypoxic event during birth. As the oxygen supply to the fetus significantly disturbed, deficiency of oxygen in the tissues is growing. Therefore, the tissues begin to accumulate large amounts of acid and thereby developing fetal blood acidosis. Many works connected the presence of cord blood acidosis to development of neonatal cerebral palsy. According to the American Association of Obstetrics and Gynecology, cord blood gas sample is necessary when a prenatal event may be related (rightly or not) with negative neonatal outcome. This approach might be necessary when the case is legally controversial and there is a need to prove that umbilical cord gas values were normal at the prenatal period.

Detailed Description

The PH levels of a neonatal in his birth are an important factor in establishing the connection between events that occurred during the actual time of birth, to the risk of a significant morbidity development in the future. Gas values in cord blood are measurable and represent the condition of the fetus close to the time of birth. Their level is one of the essential criteria which are used to define acute hypoxic event during birth. As the oxygen supply to the fetus significantly disturbed, deficiency of oxygen in the tissues is growing. Therefore, the tissues begin to accumulate large amounts of acid and thereby developing fetal blood acidosis. Many works connected the presence of cord blood acidosis to development of neonatal cerebral palsy. According to the American Association of Obstetrics and Gynecology, cord blood gas sample is necessary when a prenatal event may be related (rightly or not) with negative neonatal outcome. This approach might be necessary when the case is legally controversial and there is a need to prove that umbilical cord gas values were normal at the pre-natal period.

Aim of study Our aim is to find the effect of the cord blood sample storage way, and the effect of the sample taking time from the delivery.

Recruitment & Eligibility

Status
UNKNOWN
Sex
Female
Target Recruitment
1000
Inclusion Criteria

Gestational age 37 weeks and above. Vaginal or cesarean births.

Exclusion Criteria

Women who had medical indication to cord blood sample taking for gas measurement (Apgar<7 in the 5th minute, premature labor (under 37 weeks), multiple pregnancy, vacuum birth, urgent cesarean

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Cord blood samplesCord blood samples8 cord blood samples will be taken from the umbilical cord in 8 syringes of about 3 ml washed with Heparin.
Primary Outcome Measures
NameTimeMethod
gas values60 minutes

gas(pH) values will be examined at different times after the birth.

Secondary Outcome Measures
NameTimeMethod
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