6、flow islargerthan50% or withpulmonaryhypertension who shouldbeearly inthedownlink hypothermiccardiopulmonarybypassand openheartsurgery.3、严重肺动脉高压、有右向左逆向分流者,禁忌手术。patientwhohaveaseverepulmonaryhypertension, righttoleft shunt operation inreversecannotoperate.护理问题(Nursingproblems)术前
7、(preoperative):1、心输出量减少(decreasedcardiacoutput)2、活动无耐力(activityintolerance)3、恐惧(fear)4、有感染的危险(riskofinfection)5、知识缺乏(Lackofknowledge)术后(postoperative):1、有心输出量减少的危险(riskofdecreasedcardiacoutput)2、清理呼吸道无效(clear the airwaysinvalid)3、舒适度改变(the changeofcomfort)4、有皮肤完整性受损的危险(impaireds