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Immediate pressor response to oral salt and its assessment in the clinic: a time series clinical trial.

Sepiso K MasengaLeta PilicBenson M HamooyaSelestine H NzalaDouglas Corbett HeimburgerWilbroad MutaleJohn R KoetheAnnet KiraboSody Mweetwa MunsakaFernando Elijovich
Published in: Clinical hypertension (2022)
We confirm the presence of an IPROS in a high proportion (62%) of otherwise normotensive participants. The average time course for this response was 30 minutes and its duration was sustained for the 120-minutes period of study in most of the participants. Prediction of IPROS by ∆SBP (change in systolic blood pressure) at 30 minutes allows for easy assessment of possible responder status in the clinic. Our data indicate that the IPROS to oral salt-loads in the range currently consumed by the Western world and African populations in single meals may increase the 24-hour BP load, which is a risk factor for hypertension and target organ damage. The relevance of our findings indicates the need to include dietary sodium assessment in the diagnosis, prevention, and management of high BP.
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