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目的：探讨急性右室梗塞血流动力学分型标准，以利临床治疗。方法：依据基础右房压（ＲＡＰ）、基础肺动脉收缩压（ＰＡＳＰ）和快速扩容后ＲＡＰ升高值将２５例急性左室下壁、右室梗塞患者分为３型。Ⅰ型、Ⅱ型的区别在于右室梗塞面积的加大，但均能承受快速扩容，并且疗效好；Ⅲ型左室梗塞面积增加，且Ⅲ型不能承受快速容量负荷，需强心、扩血管的综合治疗。结果：２５例右室梗塞患者的ＰＡＳＰ与ＲＡＰ、心脏指数（ＣＩ）和肌酸磷酸激酶同功酶（ＣＫＭＢ）峰值显著相关，尤其与ＣＫＭＢ的正相关（ｒ＝０．７４），差异极显著（Ｐ＜０．００１）。结论：ＰＡＳＰ是急性右室梗塞血流动力学分型的重要指标
Objective: To investigate the hemodynamic criteria of acute right ventricular infarction in order to facilitate clinical treatment. Methods: Twenty-five patients with acute left ventricular inferior wall and right ventricular infarction were divided into 3 types according to basal right atrial pressure (RAP), basal pulmonary artery systolic pressure (PASP) and RAP elevation after rapid expansion. The difference between type Ⅰ and type Ⅱ lies in the enlargement of right ventricular infarction area, but both can withstand the rapid expansion, and the curative effect is good. The area of type Ⅲ left ventricular infarction increases, and type Ⅲ can not bear the rapid capacity load. Comprehensive treatment. Results: PASP was positively correlated with RAP, cardiac index (CI) and creatine phosphokinase isoenzyme (CKMB) in 25 patients with right ventricular infarction, especially positive correlation with CKMB (r = 0.74) (P <0.001). Conclusion: PASP is an important indicator of hemodynamic classification of acute right ventricular infarction