Why the study?
Does a finger sphygmomanometer accurately screen for and monitor hypertension compared to a mercury column sphygmomanometer in patients?
Does a finger sphygmomanometer accurately screen for and monitor hypertension compared to a mercury column sphygmomanometer in patients?
Finger systolic pressure measurement using a finger sphygmomanometer demonstrates high sensitivity and specificity, making it an adequate alternative to mercury column devices for hypertension screening.
May support finger device as screening alternative; leaves open prospective validation before practice change.
A finger sphygmomanometer was compared with a mercury column sphygmomanometer for its ability to screen for hypertension. A total of 881 patients used each machine, both in initial screening and then for monitoring. The finger sphygmomanometer had a specificity of 98.5% in routine screening as compared with 97.6% for the mercury column device. Sensitivity of the finger device was 98.2%. These findings suggest that the finger sphygmomanometer using finger systolic pressure alone is adequate for screening and monitoring blood pressure.
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Close et al. (1986) studied this question.
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