Objective To introduce co-word analysis into the analysis of the current research status of bronchopulmonary dysplasia (BPD),to summarize the hot spots and trend of research in this field in China,and to discover the advantages and weak links,in order to formulate foundation for the further study. Methods The CNKI,VIP,Wanfang data and CBM were searched with "preterm infant" or "low birth weight infant" and "bronchopulmonary dysplasia" as the key words to identify the papers published from December 2011 to December 2016 in accordance with strict inclusion and exclusion criteria.The relationship among different high-frequency key words were analyzed,Microsoft Office Excel 2007 was used for statistical analysis of key words,and Ucinet 6.0 and Netdraw were used for cooccurrence analysis. Results A total of 324 papers were included,and 39 high-frequency key words were extracted.The current hot spots of research on BPD of preterm infant in China were displayed,and the relationship between different high-frequency key words was presented.The main research directions included the relevant risk factors,auxiliary diagnosis,prevention and control strategies and so on. Conclusions There has been in-depth research on clinical features,risk factors,complications,prevention and treatment,diagnosis of BPD in China,but further research is needed to investigate the exact pathogenesis and prognosis,and the future research direction may be based on gene polymorphism characteristics,and the use of mesenchymal stem cells for transplantation.
Key words
preterm infant /
bronchopulmonary dysplasia /
co-word analysis /
visualization network
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