开放性气胸急救处理时，应迅速包扎伤口，主要是为了（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25455' and id < 2143793 and id<>'2143793' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25455' and id > 2143793 and id<>'2143793' order by id asc limit 5