死亡原因分别为：低心排出量综合征1例，肺高压危象2例，呼吸衰竭2例。
The reasons for death included low cardiac output syndrome (1 case), pulmonary hypertension crisis (2 cases) and respiratory failure (2 cases).
手术成功的关键是完全矫正心内畸形，有效预防和控制低心排出量综合征以及肺部并发症。
The deformity is satisfied put right, effective prophylaxis and control of low cardiac output syndrome and pulmonary complication are the key factors to assure surgical outcome.
临床资料及结果本组4例病人均为心脏手术后严重低心排出量综合征病人，其中1例合并围术期急性心肌梗死。
Clinical materials and results the 4 patients all had severe low cardiac output syndrome after open heart surgery, one of them associated perioperative acute myocardial infarction.
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