Safety and Efficacy of Acute Normovolemic Hemodilution in Pediatric Cardiac Surgery Patients

Oregon Health & Science University (OHSU) logo

Oregon Health & Science University (OHSU)

Status

Unknown

Conditions

Cardiac Defect

Treatments

Procedure: Acute Normovolemic hemodilution

Study type

Interventional

Funder types

Other

Identifiers

NCT02751645
IRB#: 11949

Details and patient eligibility

About

The investigators primary objective is to determine if acute normovolemic hemodilution (ANH) for pediatric cardiac surgical patients decreases the volume of blood products transfused during surgery and the immediate post-operative period as compared to usual care. This study will enroll 24 pediatric heart surgery patients, aged 6 months to 3 years old undergoing either ANH prior to initiating cardiopulmonary bypass or the standard of care procedures for the use of cardiopulmonary bypass.

Full description

Blood transfusion has been associated with worse outcomes in pediatric cardiac surgical patients. The major complications associated with it include increased blood loss during and after surgery, kidney disease requiring dialysis, abnormal coagulation profile, increased vasopressor use, and increased time spent on the ventilator and in the intensive care unit. One strategy to minimize blood product administration is acute normovolemic hemodilution (ANH). The investigators primary aim is to determine if ANH for pediatric cardiac surgical patients decreases the volume of blood products transfused during surgery and the immediate post-operative period, compared to usual care. The investigators designed a randomized, controlled, open label study that equally assigns 24 pediatric cardiac surgery patients aged 6 months to 3 years into two groups to receive either ANH prior to initiating cardiopulmonary bypass or usual standard of care. Participants in the ANH arm of the study will have 10 ml/kg of blood removed following anesthetic induction. In order to maintain normal circulating volume, the collected blood will be replaced with an equal volume of 5% albumin. All participants will be treated with a standardized protocol aimed at blood conservation including the use of retrograde arterial and antegrade venous perfusion, small circuit size, intraoperative red blood cell salvage, and low hemoglobin targets to trigger transfusion.

Enrollment

24 patients

Sex

All

Ages

6 months to 3 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Informed signed consent must be obtained by a legally authorized representative.
  • Must be undergoing an elective surgical repair or palliation of a cardiac defect with the use of the cardiopulmonary bypass machine.
  • Must be clinically stable at the time of evaluation for eligibility and on the day of randomization.

Exclusion criteria

  • Patients who carry a diagnosis of a bleeding disorder.
  • Patients who have an abnormal coagulation profile as evidenced by a preoperative coagulation screen.
  • Patients who have received a blood transfusion in the preceding 120 days.
  • Patients who have a diagnosis of a chromosomal abnormality.
  • Patients whose participation in the study is deemed unsafe by their primary care team.

Trial design

Primary purpose

Other

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

24 participants in 2 patient groups

Standard of Care Control
No Intervention group
Description:
This group will consist of all the participants that receive the standard of care treatment for elective surgical repair or palliation of their cardiac defect with the use of the cardiopulmonary bypass machine.
Acute Normovolemic Hemodilution
Experimental group
Description:
This group will consist of all the participants that receive the acute normovolemic hemodilution prior to their elective surgical repair or palliation of their cardiac defect with the use of the cardiopulmonary bypass machine.
Treatment:
Procedure: Acute Normovolemic hemodilution

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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