Comparative effectiveness of various teaching modes, including PBL, CBL, and CTTM in paediatric medical education with combined online and offline approaches.

Objective: To explore the differences in the effectiveness of various teaching methods combining online and offline modes in paediatric medical education.

Methods: Fourth-year medical paediatric students at our university in 2020 were randomly divided into three groups: a control group, experimental group 1, and experimental group 2, with 30 students in each group. The control group received traditional teaching, experimental group 1 received a combination of online and offline teaching using two methods simultaneously, and experimental group 2, in addition to the methods used in experimental group 1, engaged in real-case teaching in the ward.

[Impact of intrauterine infection on long-term brain development of premature rats].

Objective: To investigate the impact of intrauterine infection induced by LPS injection on long-term brain development of premature rats.

Methods: Eighteen day-gestation pregnant rats were randomly assigned to a control group receiving an intraperitoneal injection of normal saline, and two infection groups that were intraperitoneally injected with 0.3 mg/kg or 0.