None listed
Conditions
Interventions
None listed
Sponsors
Korea University Ansan Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: We included preterm infants born at <34 weeks of gestation and aged >2 weeks at the time of enrollment. Stable preterm infants at the time of undergoing baseline investigations were considered eligible. We defined a stable clinical condition as follows: 1) stable respiratory status as defined by an arterial oxygen saturation of at least 85% by pulse oximetry in an inspired O2 concentration of =30% and a mean airway pressure of =8 cm H2O if on assisted ventilation, 2) no signs of sepsis or renal disease, and 3) those who were not treated with sedatives, diuretics or inotropes.
Exclusion criteria
Exclusion criteria: Infants were excluded from participation for any of the following reasons: 1) cardiac problems except patent ductus arteriosus or patent foramen ovale, 2) clinically severe disease of a major organ system, 3) requirement of surgical interventions, or 4) emergency transfusion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| echocardiographic examination | — |
Secondary
| Measure | Time frame |
|---|---|
| The plasma levels of BNP | — |
Countries
Korea, Republic of
Contacts
Public ContactEui Kyung Choi
Korea University Ansan Hospital
Outcome results
None listed