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SP-D polymorphism and protein expression influence the pathogenesis and grading of respiratory distress syndrome in preterm infants

SP-D polymorphism and protein expression influence the pathogenesis and grading of respiratory distress syndrome in preterm infants

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-CDC-16008704
Enrollment
Unknown
Registered
2016-06-22
Start date
2013-01-01
Completion date
Unknown
Last updated
2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Respiratory distress syndrome in preterm infants

Interventions

The case group:SNP detection
The control group:SNP detection

Sponsors

Linyi People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
1 Years to 1 Years

Inclusion criteria

Inclusion criteria: The diagnosis was made in accordance with European consensus guidelines on the management of neonatal respiratory distress syndrome (NRDS) in preterm infants, specifically: (1) the cases began progressive dyspnea within 12 h after birth; (2) PaO2 50 mmHg; (3) chest X-ray indicated the specific performances like ground-glass opacity, air bronchogram and white lung. Another 204 preterm infants born during the same period with similar gestational age and birth weight and with no obvious symptoms of infection were recruited as the control group. Inclusion criteria for the control group: (1) chest X-ray showed no signs of NRDS or pulmonary infection; (2) blood routine and C-reaction protein (CRP) showed no clear signs of infection.

Exclusion criteria

Exclusion criteria: Exclusion criteria for both the case and control group: (1) the cases with severe congenital disease, such as complex congenital heart disease, diaphragmatic hernia, cerebral dysplasia; (2) the cases with genetic metabolic diseases, such as phenylketonuria, congenital hypothyroidism and diabetes; (3) the cases with a clear infection in the late pregnancy and the IgM of the neonatal cases increased.

Design outcomes

Primary

MeasureTime frame
SNP genotype;

Secondary

MeasureTime frame
Protein level;

Countries

China

Contacts

Public ContactTang Hui

Department of Pediatrics, Linyi People's Hospital

TANG_hui999@126.com+86 13969967939

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026