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Exaggerated blood pressure response to standing in young-to-middle-age subjects: prevalence and factors involved.


ABSTRACT:

Purpose

To investigate the prevalence of orthostatic hypertension and the association of the blood pressure (BP) level, supine BP decline, and white-coat effect with the orthostatic pressor response.

Methods

We studied 1275 young-to-middle-age individuals with stage-1 hypertension. Orthostatic response was assessed three times over a 3 month period. The white-coat effect was assessed at baseline and after 3 months, and was calculated as the difference between office and average 24 h BP. In 660 participants, urinary epinephrine and norepinephrine were also measured.

Results

An orthostatic systolic BP increase ≥ 20 mmHg was observed in 0.6-1.2% of the subjects during the three visits. Using the 20 mmHg cut-off, the prevalence of orthostatic hypertension was 0.6%. An orthostatic BP increase of ≥ 5 mmHg was found in 14.4% of participants. At baseline, the orthostatic response to standing showed an independent negative association with the supine BP level (p < 0.001), the supine BP change from the first to third measurement (p < 0.001), and the white-coat effect (p < 0.001). Similar results were obtained in the 1080 participants assessed at the third visit. Urinary epinephrine showed higher values in the top BP response decile (systolic BP increase ≥ 6 mmHg, p = 0.002 versus rest of the group).

Conclusion

An orthostatic systolic BP reaction ≥ 20 mmHg is rare in young adults. However, even lower BP increases may be clinically relevant. The BP level, the supine BP decline over repeated measurement, and the white-coat effect can influence the estimate of the BP response to standing and should be considered in clinical and pathogenetic studies.

SUBMITTER: Palatini P 

PROVIDER: S-EPMC10439022 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature

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Publications

Exaggerated blood pressure response to standing in young-to-middle-age subjects: prevalence and factors involved.

Palatini Paolo P   Mos Lucio L   Rattazzi Marcello M   Ermolao Andrea A   Battista Francesca F   Vriz Olga O   Canevari Mattia M   Saladini Francesca F  

Clinical autonomic research : official journal of the Clinical Autonomic Research Society 20230429 4


<h4>Purpose</h4>To investigate the prevalence of orthostatic hypertension and the association of the blood pressure (BP) level, supine BP decline, and white-coat effect with the orthostatic pressor response.<h4>Methods</h4>We studied 1275 young-to-middle-age individuals with stage-1 hypertension. Orthostatic response was assessed three times over a 3 month period. The white-coat effect was assessed at baseline and after 3 months, and was calculated as the difference between office and average 24  ...[more]

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