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目的分析和比较针对右心室不同位置起搏对心电图功能的影响。方法 90例房室传导阻滞安置起搏器患者,随机分成试验一组、试验二组、试验三组,各30例。试验一组患者起搏器安置在右心室心尖,试验二组患者安置在右心室流出道,试验三组患者安置在右心室流入道。比较三组患者治疗后射血分数、每搏输出量、心室收缩内径等临床恢复指标。结果治疗后三组患者QRS、射血分数、每搏输出量、心室收缩内径等临床指标比较差异具有统计学意义(P<0.05);试验三组患者满意度为100.0%,高于试验一组的83.3%、试验二组的86.7%,差异具有统计学意义(P<0.05)。结论安置在右心室流入道的起搏器在临床治疗心脏起搏疾病上有着较好的作用价值。
Objective To analyze and compare the effects of pacing in different positions of the right ventricle on the electrocardiogram function. Methods 90 patients with atrioventricular block placement pacemaker were randomly divided into a test group, the second test group, the third test group, 30 cases each. A group of patients with pacemaker was placed on the apex of the right ventricle. Two patients in the trial were placed in the right ventricular outflow tract. Three groups of patients were placed in the right ventricular inflow tract. Three groups of patients after treatment, ejection fraction, stroke volume, ventricular contraction diameter and other clinical recovery indicators. Results After treatment, the clinical indexes such as QRS, ejection fraction, stroke volume and ventricular systolic diameter had statistical significance (P <0.05). The satisfaction degree of the three groups was 100.0%, higher than that of the first group 83.3% in the second group and 86.7% in the second group. The difference was statistically significant (P <0.05). Conclusion The pacemaker placed in the right ventricular inflow tract has a good value in the clinical treatment of cardiac pacing diseases.