Why the study?
The clinical significance and potential causes of the auscultatory gap detected by 24-hour ambulatory blood pressure monitoring using Korotkoff sounds were not well understood.
Population
60 patients (24 with diagnosed hypertension)
Design
Cross-sectional physiological study
Authors
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AG in ABPM reflects true respiratory systolic BP variation, not KS artifact; leaves open whether protocols should adjust for such fluctuations in hypertension assessment.
The auscultatory gap during blood pressure measurement is primarily caused by true respiratory variations in systolic blood pressure rather than individual characteristics of Korotkoff sounds.
Тихоненко et al. (2019) studied this question.
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