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目的:探讨急性心肌梗死早期血钾水平与血浆肌钙蛋白浓度的关系,观察急性心肌梗死血钾的水平对病人预后的影响。方法:对246例急性心肌梗死病人,入院后立即采静脉血,查血清钾,血浆肌钙蛋白,观察住院期间心功能,有无室速,室颤、猝死。按血清钾是否低于正常分成2组,将2组病人血浆肌钙蛋白浓度,住院期间心功能,有否室速、室颤、猝死进行对比。结果:血浆肌钙蛋白浓度越高,血钾越低,(P<0.01)。低血钾组心衰较正常血钾组重,(P<0.01)。低血钾组室速、室颤的发生率较正常血钾组高(P<0.05)。结论:急性心肌梗死病人早期血钾水平预示着心肌梗死的面积大小及病情轻重,对病人的预后的判断也是非常重要的指标。
Objective: To investigate the relationship between plasma potassium level and plasma troponin concentration in early stage of acute myocardial infarction and to observe the effect of serum potassium level on the prognosis of patients with acute myocardial infarction. Methods: 246 patients with acute myocardial infarction, venous blood immediately after admission, check serum potassium, plasma troponin, observed during hospitalization, ventricular tachycardia, ventricular fibrillation, sudden death. According to the serum potassium is lower than the normal divided into two groups, the two groups of patients with plasma troponin concentration, cardiac function during hospitalization, whether ventricular tachycardia, ventricular fibrillation, sudden death were compared. Results: The higher plasma troponin concentration, the lower serum potassium (P <0.01). Hypokalemia group heart failure than normal potassium group, (P <0.01). The incidence of ventricular tachycardia and ventricular fibrillation in hypokalemia group was higher than that in normal potassium group (P <0.05). Conclusion: Early potassium levels in patients with acute myocardial infarction predict the size and severity of myocardial infarction, and the prognosis of patients is also a very important indicator.