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目的比较水银血压计和电子血压计测量结果,探讨血压复测在学生健康检查质量控制中的应用。方法2014年9—12月,在苏州市学生健康检查工作中,先用电子血压计测量血压,对于收缩压≥135 mm Hg或舒张压≥85 mm Hg的中学生,采用台式水银柱血压计复测其血压,比较两种血压计测量结果。结果共复测1 213名中学生,电子血压计测得的收缩压中位数值为146 mm Hg,舒张压中位数值为78 mm Hg;水银柱血压计测得的收缩压中位数值为138 mm Hg,舒张压中位数值为78 mm Hg;电子血压计测得的收缩压和舒张压均高于水银柱血压计,差异均有统计学意义(Z值分别为-19.39,-3.06,P值均<0.05)。两种血压计测得的血压值之间相关性良好(收缩压r=0.492,舒张压r=0.499,P值均<0.05)。复测后不同性别、不同年龄组血压偏高比例均有下降,其中12岁组下降最为明显,血压偏高比例由100.0%下降到41.0%。结论学生健康检查中,电子血压计测得的血压值高于台式水银柱血压计,两者之间相关性良好;采用台式水银柱血压计对血压较高的学生进行复测后,血压偏高人数和偏高比例有明显降低。
Objective To compare the measurement results of mercury sphygmomanometer and electronic sphygmomanometer, and to explore the application of blood pressure retest in the quality control of students' health examination. Methods From September to December 2014, in Suzhou city health checkup, blood pressure was measured with an electronic sphygmomanometer. For secondary school students with systolic blood pressure ≥135 mm Hg or diastolic blood pressure ≥85 mm Hg, a bench-top mercury sphygmomanometer was used for retesting The blood pressure, blood pressure measurements compared to two results. Results A total of 1 213 middle school students were measured. The median systolic blood pressure measured by the electronic sphygmomanometer was 146 mm Hg and the median diastolic pressure was 78 mm Hg. The median systolic blood pressure measured by the mercury sphygmomanometer was 138 mm Hg, median diastolic blood pressure was 78 mm Hg; systolic blood pressure and diastolic blood pressure measured by electronic sphygmomanometer were higher than mercury sphygmomanometer, the differences were statistically significant (Z values were -19.39, -3.06, P value All <0.05). The correlation between the blood pressure values measured by the two sphygmomanometers was good (systolic blood pressure r = 0.492, diastolic blood pressure r = 0.499, P <0.05). After the retest, the proportion of high blood pressure in different genders and different age groups decreased, of which the most obvious drop was in 12-year-old group, and the high proportion of hypertension dropped from 100.0% to 41.0%. Conclusion In the student health examination, the blood pressure measured by the electronic sphygmomanometer is higher than that of the desktop mercury sphygmomanometer, and the correlation between the two is good. After the retest of the students with high blood pressure by a bench-top mercury sphygmomanometer, the blood pressure is high Significantly lower the number and high proportion.