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目的探讨冠状动脉造影(CAG)患者的血压特点及其与CAG结果的关系。方法行动态血压监测(ABPM)患者558例中,有CAG适应证者345例(观察组),无CAG适应证213例(对照组)。观察组中,CAG阳性183例(CAG阳性组),CAG阴性162例(CAG阴性组)。比较四组ABPM结果。ABPM指标:(1)24-h白昼、夜间和清晨收缩压和舒张压;(2)昼夜节律;(3)血压变异系数。结果除24-h平均舒张压和白昼平均舒张压外,观察组其他ABPM值均高于对照组(P<0.05);但CAG阳性组与CAG阴性组的ABPM值均无统计学差异(P>0.05)。CAG阳性组与CAG阴性组的收缩压和舒张压夜间下降百分率和24-h舒张压变异系数均低于对照组(P<0.05);但CAG阳性组与CAG阴性组的昼夜节律与血压变异系数差异均无统计学意义(P>0.05)。结论与无CAG适应证患者比较,有CAG适应证患者的ABPM值明显增高,但与造影结果是否阳性无密切联系。
Objective To investigate the characteristics of blood pressure in patients with coronary artery angiography (CAG) and its relationship with CAG results. Methods Among 558 patients with active ABPM, 345 patients with CAG indications (observation group) and 213 patients without CAG indications (control group). In the observation group, CAG positive 183 cases (CAG positive group), CAG negative 162 cases (CAG negative group). Compare four sets of ABPM results. ABPM Indicators: (1) 24-h systolic and diastolic blood pressure during the day, night and early morning; (2) circadian rhythm; and (3) coefficient of variation of blood pressure. Results Except 24-h mean diastolic blood pressure and daytime mean diastolic blood pressure, the other ABPM values in the observation group were significantly higher than those in the control group (P <0.05). However, there was no significant difference in ABPM between CAG-positive group and CAG-negative group (P> 0.05). CAG-positive group and CAG-negative group systolic blood pressure and diastolic blood pressure at night decreased the percentage and 24-h diastolic pressure coefficient of variation were lower than the control group (P <0.05); but CAG-positive group and CAG-negative group circadian rhythm and coefficient of variation of blood pressure There was no significant difference (P> 0.05). Conclusion Compared with patients without CAG indications, patients with CAG indications had significantly higher ABPM values, but there was no close correlation with angiographic findings.