Preterm infants
Conditions
Interventions
In the control group, white LED light is used for nursing care procedures such as nursing, feeding and changing diapers.
In the experimental group, red LED light is used for the same nursing care proc
Sponsors
Hokkaido University Hospital
National Institute of Mental Health, National Center of Neurology and Psychiatry
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Infants were eligible for enrollment if they had no current significant medical problems and were born at < 34 week's postmenstrual age
Exclusion criteria
Exclusion criteria: (1) Infants with significant eye disease (retinopathy of prematurity grades 3 or 4 (2) Infants with major congenital malformations (3) Infants with major neurologic disorders (including intraventricular hemorrhage grades 3 or 4 or periventricular leukomalacia). (4) Infants having had intensive treatments of more than one week because of medical complication such as bacterial infection.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The ratio between day and night activity | — |
Secondary
| Measure | Time frame |
|---|---|
| (1) The frequency of night-time crying (2) The gain of body weight (3) The secretion of salivary cortisol at night | — |
Countries
Japan
Contacts
Public ContactYousuke Kneshi
Hokkaido University Hospital Maternity and Perinatal Care Center
Outcome results
None listed