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OBJECTIVE: Aneroid sphygmomanometers have been updated with mercury-filled blood pressure monitors to address mercury-safety and environmental impacts, prompting fears of the safety and environmental consequences of mercury. METHODS: The SEARCH for Diabetes in Youth Study conducted a comparison of aneroid and mercury devices in 193 youth with diabetes. RESULTS: Mean mercury, aneroid systolic and diastolic BPs were highly correlated, as shown by the following tables: There was no significant difference between mean systolic BP using the aneroid device for the entire group, but there was a 1. 53 5. 06 mm Hg difference in mean diastolic BP. There were no differences in systolic BP, and there were no differences in BP among people under the age of ten years, and there were no differences between BP by device in people over ten years. Although a small discrepancy between aneroid and mercury measurements exists, this difference is unlikely to be medically significant, implying that either device can be used in research or clinical settings.
Source link: https://doi.org/10.1542/peds.2011-3087
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