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A cross sectional study to assess the effect of blood transfusions on the outcome of preterm infants
This is a cross sectional study carried on preterm infants who are staying in the hospital as "growers"; to gain weight. We will assess blood transfusion received by these preterm infants in details.
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| Measure | Description | Time Frame |
|---|---|---|
| Change in heart rate | Heart rate per minute | immediately before and immediately after blood transfusion |
| Change in respiratory rate | Respiratory rate per minute | immediately before and immediately after blood transfusion |
| Change in weight gain | Average weight gain in grams/kg/day | within 4 days before and within 4 days after blood transfusion |
| Change in hemoglobin | Hemoglobin in grams/dl | immediately before and immediately after blood transfusion |
| Change in hematocrit value | Hematocrit value percentage | immediately before and immediately after blood transfusion |
| Measure | Description | Time Frame |
|---|---|---|
| Acute blood loss | Acute blood loss either spontaneous or iatrogenic during invasive procedures | in the previous 24 hours before blood transfusion |
| Mechanical ventilation | Mechanical ventilation (MV) which may be one of two possibilities:
|
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Inclusion Criteria:
Exclusion Criteria:
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Preterm infants admitted to the "grower ward", directly after birth or after transfer from NICU
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Douaa El Sherbiny, MD | Contact | 01000039725 | doaa.sherbiny@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Dahlia El Sebaie, MD | Kasralainy hospital, Faculty of medicine, Cairo University | Study Director |
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| ID | Term |
|---|---|
| D047928 | Premature Birth |
| ID | Term |
|---|---|
| D007752 | Obstetric Labor, Premature |
| D007744 | Obstetric Labor Complications |
| D011248 | Pregnancy Complications |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
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blood samples
| in the previous 24 hours before blood transfusion |
| Supplemental oxygen | Supplemental oxygen, not mechanically ventilated | in the previous 24 hours before blood transfusion |
| Doubling of oxygen requirements | Doubling of oxygen requirements for patients on supplemental oxygen | in the previous 2 days before blood transfusion |
| Tachycardia | ≥24 hours of tachycardia (Heart rate>180/minute) | in the previous 24 hours before blood transfusion |
| Tachypnea | ≥24 hours of tachypnea (Respiratory rate>60/minute), | in the previous 24 hours before blood transfusion |
| Poor weight gain | ≤10 g/kg/day while the infant is receiving ≥120 kcal/kg/day | in the previous 4 days before blood transfusion |
| Metabolic acidosis | pH <7.2 | in the previous 24 hours before blood transfusion |
| Apnea and bradycardia | 9 episodes or ≥2 episodes requiring bag and mask ventilation, while infant is receiving caffeine citrate | in the previous 24 hours before blood transfusion |
| Length of stay in the NICU | Length of stay in the NICU | from date of birth until the date of transfer to the "grower ward" or date of death from any cause, whichever came first, assessed up to 3 months. |
| Length of stay in the hospital | Length of stay in the hospital | from date of birth until the date of discharge home or date of death from any cause, whichever came first, assessed up to 3 months. |
| Mortality | Death | from the date of transfer to grower ward, assessed up to 3 months. |
| D000091642 | Urogenital Diseases |