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Objective To evaluate the strengthens and feasibility of network-based teaching for clinical training in neonatology during COVID-19 pandemic. Methods Because of COVID-19 pandemic, the interns of Peking Union Medical College Hospital accepted the network-based teaching in the training of neonatology from February to May 2020. Compared with those who received traditional training from November 2019 to January 2020, the Systematic Evatuation of Teaching Quality(SETQ) questionnaire and Pediatric Voluntary Self-assessment Forms were conducted to evaluate the quality of teaching and of knowledge mastery. Results There were no significant differences in teaching quality between two groups. While network-based teaching has favored knowledge mastery for rare diseases, complicated clinical operation and the interpretation of auxiliary examinations (P＜0.05). Conclusions Network-based teaching and the traditional pathway have their strengthens respectively and can be complementary in the intern training of neonatology.

Objective: To review the clinical data of enteral feeding of extremely low birth weight infants (ELBWI), and analyze the influencing factors., Method: From Jan. 2000 to Jan. 2010, data of 31 ELBWI from Peking Union Medical College Hospital were retrospectively collected. ELBWI were assigned to different groups according to the time achieving full enteral feeding, comparison was done between two groups for enteral feeding., Result: Twenty-four infants were analyzed, their mean gestational age was (29.0 ± 1.8) weeks (26.14 - 34.43 weeks), birth weight (882 ± 67) g (730 - 970 g), there were 11 infants in group A, whose time for achieving full enteral feeding was (27 ± 6)days, there were 13 infants in group B, whose time achieving full enteral feeding was (46 ± 10)days. The ratio of asphyxia (18.2% vs. 61.5%, P = 0.047), duration of umbilical vein catheterization longer than 10 days (18.2% vs. 61.5%, P = 0.047), and duration of mechanical ventilation longer than 14 days (27.3% vs. 76.9%, P = 0.038) in group A was higher than in group B. The milk volume on the 21st and 28th day in group A was much more than that in group B [(88.9 ± 35.4) ml vs. (37.4 ± 34.9) ml, P = 0.002; (121.1 ± 37.4) ml vs. (53.2 ± 33.1) ml, P = 0.000]. There were no significant differences between the two groups in gestational age, birth weight, patent ductus arterious, erythrocytosis, dysglycemia, sepsis, the time to begin enteral feeding, the beginning milk volume, the adding milk volume in the 1st, 2nd week, and the milk volume on the 3rd, 7th, 14th day., Conclusion: Asphyxia, duration of umbilical vein catheterization, and duration of mechanical ventilation are likely to influence the enteral feeding of ELBWI, ELBWI with successful enteral feeding could show good tolerance in the 3rd week. But individual program should be made for enteral feeding of ELBWI, because enteral feeding could be influenced by multiple factors.