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<channel><title>尖瓣闭锁----心胸外科</title><link>http://www.nb5656.com/index-1027-1171-533.html</link><description></description><language>UTF-8</language><copyright>Copyright 2008, Spartanburg taoyq.com</copyright><managingEditor>zjpysyh@163.com</managingEditor><item><title>尖瓣闭锁</title><short_title></short_title><keywords></keywords><description><![CDATA[　三尖瓣闭锁是一种紫绀型先天性心脏病发病率约占先天性心脏病的1～5％。在紫绀型先天性心脏病中继法乐四联症和大动脉错位后居第三位。主要病理改变是三尖瓣闭锁或三尖瓣口缺失卵圆孔未闭或房间隔缺损，二尖瓣和左心室肥大，右心室发育不良]]></description><link>http://www.nb5656.com/index-1027-1171-533.html</link><pubDate>2008-05-04</pubDate></item></channel></rss>
