Clinic Features and Outcome of BPD (SGBPD)

Clinic Features and Long-term Outcome of Different Subgroups of Brochopulmonary Dysplasia in Preterm Infants

This study described the perinatal high-risk factors and clinical manifestations of the children, and compared the high-risk factors, clinical manifestations and prognosis of BPD among different clinical subtypes by comparison between groups. BPD grading was performed using the 2018 grading standard to compare the distribution of I/II/III BPD among different groups.

Inclusion Criteria:

1. Premature infants born at <32 weeks of gestational age;
2. hospitalization time ≥ 14 days;
3. The clinical medical records are complete

Exclusion Criteria:

• • 1) Children with congenital heart, lung malformation and definite chromosomal diseases; 2) children gave up treatment halfway; 3) corrected gestational age 36 weeks before death, the cause of death was confirmed as factors other than respiratory system.