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Journal of Korean Academy of Fundamentals of Nursing 2002;9(1): 101
가정용 전자식 혈압계의 정확도에 대한 임상적 평가
Clinical Evaluation of the Accuracy of Electronic Home Blood Pressure Measuring Devices
Ji-Na Choo
Red Cross College of Nursing
Purpose: This study evaluated the accuracy of electronic devices compared with mercury sphygmomanometer. Of 132 outpatients with electronic devices. 77 who possessed oscillometric cuff devices participated in this study.
Method: When the blood pressure was measured, all electronic devices were connected by means of a Y-connector to a mercury sphygmomanometer. Using the simultaneous same arm approach, each comparison was carried out three times at 2-minute intervals.
Results: Compared with the mercury sphygmomanometer, the electronic devices underestimated systolic and diastolic blood pressure, respectively by $4.0{pm}5.8mmHg$ and $2.5{pm}67mmHg$, which satisfies the standard error range of the American Association for the Advancement of Medical Instrumentation. According to the British Hypertension Society criteria, these differences achieved C grade for both systolic and diastolic pressure. For the graphical analysis, the differences had a tendency to fulfill the permitted error limits in both diastolic and systolic blood pressure. Moreover, the purchase duration was not correlated with the accuracy of electronic devices.
Conclusion: These results indicate that difference in blood pressure between electronic devices and mercury sphygmomanometer is within the standard error. Therefore, electronic blood pressure measuring devices may be useful for therapeutic self-management of hypertension.
Key words: Blood pressure | Hypertension | Sphygmomanometer
주요어: 혈압 | 고혈압 | 혈압계
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Evaluating the Accuracy of Blood Pressure Measurement in General Hospital Nurses  2000 January;7(1)