30周早产患儿，生后24小时因吸入性肺炎而住院。査体：胸骨左缘第2肋间有较响亮收缩期杂音，彩色多普勒超声心动图示有动.脉导管未闭和左向右分流，应如何治疗

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28312' and id < 2317060 and id<>'2317060' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28312' and id > 2317060 and id<>'2317060' order by id asc limit 5