Reoxygenation for Cyanotic Pediatric CHD

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

Total Enrollment

500 participants

Study Classification

OBSERVATIONAL

Study Start Date

2012-01-01

Study Completion Date

2018-12-31

Brief Summary

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Evidence is emerging that those patients with cyanotic pathologies may be more vulnerable to end-organ injury during and after surgery than those patients without, because of compromised cardiopulmonary performances or the proinflammatory state that follows conventional hyperoxic cardiopulmonary bypass.

Several clinical and basic studies have identified that controlled oxygenation during the initiation of bypass significantly improved the cardiac adaptation and remodeling capacity than hyperoxic oxygenation strategy among cyanotic patients undergoing tetralogy of Fallot repair, as evidenced by these reduced myocardial gene expression profiles associated with reoxygenation injury.

The investigators designed the reoxygenation for pediatric cardiac surgery study to investigate the effect of reoxygenation during cardiopulmonary bypass on clinical outcomes in patients with cyanotic congenital heart disease .

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Detailed Description

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Conditions

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Tetralogy of Fallot

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Reoxygenation

After one minute of full bypass, fraction of inspired oxygen (FiO2) in liberal group was increased at increments of 0.1 per minute to reach a FiO2 target of 40%-80% adjusted reoxygenation to maintain PO2 in the range of 250mm Hg-300 mm Hg or more during the bypass.

Reoxygenation

Intervention Type PROCEDURE

After one minute of full bypass, fraction of inspired oxygen (FiO2) in conservative group was increased at increments of 0.1 per minute to reach an FiO2 target of 40% that was adjusted to maintain an arterial PO2 in the range of 250 mm Hg or less during the bypass, while FiO2 in liberal group was increased at increments of 0.1 per minute to reach a FiO2 target of 80% adjusted to maintain PO2 in the range of 300 mm Hg or more, on the basis of arterial PO2 level measured via a point of care blood gas analyzer.

Interventions

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Reoxygenation

After one minute of full bypass, fraction of inspired oxygen (FiO2) in conservative group was increased at increments of 0.1 per minute to reach an FiO2 target of 40% that was adjusted to maintain an arterial PO2 in the range of 250 mm Hg or less during the bypass, while FiO2 in liberal group was increased at increments of 0.1 per minute to reach a FiO2 target of 80% adjusted to maintain PO2 in the range of 300 mm Hg or more, on the basis of arterial PO2 level measured via a point of care blood gas analyzer.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* The operation-naive infants and young children aged 1 months to 18 years old were eligible for enrolment if they were indicated for undergoing anticipated radical repair of cyanotic congenital heart disease with cardiopulmonary bypass.

Exclusion Criteria

* The chromosomal defects, airway and parenchymal lung disease, immunodeficiency, blood transfusion during the current admission, previous cardiac operation, or the opinion of the treating physician that randomization would not be in the best interest of the patient (lack of equipoise)

Minimum Eligible Age

1 Month

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No