Key result
The TM-2655 oscillometric device achieved British Hypertension Society grade A/A, with an average difference of -1.0±5.2 mmHg for systolic and -0.9±4.7 mmHg for diastolic blood pressure.
Why the study?
Does the TM-2655 oscillometric device accurately measure blood pressure compared to a mercury sphygmomanometer in an adult population?
Observational (n=85)
Does the TM-2655 oscillometric device accurately measure blood pressure compared to a mercury sphygmomanometer in an adult population?
The TM-2655 oscillometric device meets the highest accuracy standards (grade A/A) of the British Hypertension Society protocol and is recommended for adult blood pressure measurement.
Answers are grounded in this paper and cite their sources.
Supports TM-2655 accuracy in adults; leaves open generalizability and practice change pending larger validation studies.
OBJECTIVE: To perform validation for an arm-type oscillometric TM-2655 device (A&D Company Ltd, Tokyo, Japan) for blood pressure measurement according to the British Hypertension Society protocol. METHODS: Eighty-five study participants (33 men and 52 women) were included in the study. Mean age was 52.9+/-15.0 years, systolic blood pressure range was 84-208 mmHg and diastolic blood pressure range was 48-120 mmHg. For each participant, three readings of TM-2655 were compared with sequential auscultatory measurements by two trained independent observers. The observers used a calibrated mercury sphygmomanometer and dual stethoscope. The results were graded according to the British Hypertension Society protocol 1993. RESULTS: The average difference between mercury sphygmomanometer and TM-2655 readings for systolic blood pressure was -1.0+5.2 mmHg (mean+/-SD) and for diastolic blood pressure -0.9+/-4.7 mmHg. The proportions of values agreeing to within 5, 10 and 15 mmHg were 72.5, 93.7 and 99.6% for systolic blood pressure and 78.8, 96.9 and 100% for diastolic blood pressure between the observers and the device (A/A British Hypertension Society grade). CONCLUSIONS: The TM-2655 device achieved British Hypertension Society grade A/A and therefore can be recommended for blood pressure measurement in an adult population.
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Kobalava et al. (2006) conducted an observational in Blood pressure measurement (n=85). TM-2655 oscillometric device vs. Mercury sphygmomanometer was evaluated on Average difference in systolic and diastolic blood pressure readings (MD -1.0 mmHg (SBP) and -0.9 mmHg (DBP)). The TM-2655 oscillometric device achieved British Hypertension Society grade A/A, with an average difference of -1.0±5.2 mmHg for systolic and -0.9±4.7 mmHg for diastolic blood pressure.
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