Warmed Blood Transfusion in Premature 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

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-01

Study Completion Date

2025-03-31

Brief Summary

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Premature babies have to deal with many problems from the moment they are born due to the immature of their organs. Their clinical condition is unstable, especially in the first few weeks, and they are greatly affected by environmental factors. During this period, blood transfusion may be needed for many reasons such as intraventricular hemorrhage and necrotizing enterocolitis. In addition, multiple blood draws to evaluate irregular metabolic, hematological and biochemical findings result in anemia and the need for blood transfusion. There are many algorithms regarding blood transfusion indications and transfusion limits in premature babies. However, there are no strict rules regarding the application of warming before blood transfusion, but it is recommended by some guidelines. Especially in unstable babies such as advanced premature babies, it is recommended to give blood by heating it at physiological temperature to avoid important complications such as hypothermia, coagulopathy and rhythm disturbances. Premature babies, whose hemodynamic and metabolic balance is very sensitive, may go into hypothermia when blood and products stored at +4C⁰ are given without heating. In routine practice, blood transfusion is performed without heating. The concern here is that hemolysis may develop by heating the blood. Studies have shown that hemolysis occurs when blood is heated above 46C⁰. In this study, physiological heating is planned. In vitro neonatal experimental modeling has shown that there is no hemolysis with physiological heating.

The aim of the researchers is; While protecting fragile, extremely premature babies from the complications of cold transfusion, the aim is to compare the transfusion groups with and without physiological heating in terms of hemolysis, metabolic balance and cerebral tissue oxygenation.

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Detailed Description

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This trial is planned to be randomized and controlled. Erythrocyte transfusion (ET) will be applied to premature babies born below the 34th gestational week, based on the limit values specified by TND, during Level 3 routine intensive care treatment and follow-up. They will be divided into two groups of 20 babies each: control and study groups. The control group will receive erythrocyte transfusion without heating, which is routinely applied. Heated ET will be performed on the study group by physiological warming between 34-36C⁰.

Procedures to be applied for the working group:

1. ET requirement will be determined in line with the TND guide. It will be transfused at a standard dose of 20 ml/kg. Before ET is performed, blood gas and HTC, K and blood temperature before entering the heater will be measured and recorded.
2. The erythrocyte suspension will be heated between 34-36 C⁰, which is the determined physiological temperature.
3. Before giving it to the baby, 2 ml of blood will be taken through a triple tap and its hematocrit and K value (blood gas) will be checked. It will be given to the baby after the temperature is checked with a body fluid thermometer and determined to be within the appropriate range and if hemolysis is not observed.
4. At the end of the standard transfusion period of 3 hours, all babies will be routinely checked for blood gases, HTC and K.

As standard for all babies during transfusion; Heart rate, blood pressure, saturation and body temperatures will be monitored.

It was planned to investigate whether there was a difference in terms of hypothermia and hemolysis between the groups with and without Physiological Heating. It will be examined whether heated blood has an effect on cerebral tissue perfusion by NIRS monitoring

Conditions

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Transfusion Related Complication Premature

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

randomized controlled, parallel group. A single center

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Investigators

Double blind

Study Groups

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Blood Transfusion

It was planned to transfuse the blood at +4C temperature brought from the blood bank center in 3 hours. At the end of the standard transfusion period of 3 hours, all babies will be routinely checked for blood gases, HTC and K.

Group Type NO_INTERVENTION

No interventions assigned to this group

Blood transfusıon

Blood will be warmed before transfusion. At the end of the standard transfusion period of 3 hours, all babies will be routinely checked for blood gases, HTC and K.

Group Type EXPERIMENTAL

Warmed Blood Transfusion

Intervention Type PROCEDURE

The erythrocyte suspension will be heated between 34-36 C⁰, which is the determined physiological temperature.

Before giving it to the baby, 2 ml of blood will be taken through a triple tap and its hematocrit and K value (blood gas) will be checked. It will be given to the baby after the temperature is checked with a body fluid thermometer and determined to be within the appropriate range and if hemolysis is not observed.

At the end of the standard transfusion period of 3 hours, all babies will be routinely checked for blood gases, HTC and K.

Interventions

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