探索直肠癌术中骶前大出血的防治
出血,结扎后可降低盆腔静脉的回流量,以减少出血,实际上适得其反。Scott等[5]认为结扎髂内动脉对静脉池本身的静水压几乎无影响,并且椎静脉系和下腔静脉系血流双向互返,来自椎静脉的血液可不断注入到骶前静脉丛,这样只能增加失血量,延误救治时间。
【参考文献】
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